Add firebase support to web_dashboard (#421)

* add mock data, app state, model classes

* Set up app without ChangeNotifier

* refactor

* add experiments to experimental/

* Add project-agnostic Firebase authentication code

* add sign in button

* add stub firebase API

* add firestore

* refactor code for google_sign_in

* update pubspec.lock

* switch to mocks for non-firebase version

* Add firebase instructions to the README

* fix README

* sign in silently if the user is already signed in

* add json_serializable

* update README

* ignore 'id' field on types

* Implement FirebaseItemApi

* Add build_runner instructions to README

* remove experiments directory

* add EditItemForm

* move types.dart into api.dart

* move mock and firebase configuration into the constructor

* add main_mock entrypoint

* add copyright checks to grinder script

* fix fix-copyright task

* run grind fix-copyright

* add run and generate tasks

* add run tasks to grind script

* add fillWithMockData() fix delete() in mock API

* add edit / new form dialogs

* Add charts that display entries from Firebase

* Add Entries list without editing

* refactor home page

* format

* Add entries page functionality

* Show current day in charts

* cleanup: pubspec.lock, remove type annotation

* Remove _selectedItem from Home page

Add ItemsDropdown
Use ItemsDropdown in NewEntryDialog / NewEntryForm

* rename item-category

* don't wait to show snackbar on delete

* fix circular progress indicator

* Move dialogs into dialogs.dart

* run grind fix-copyright

* remove unused import

* Refactor entry total calculation, add chart_utils library

* fix bug in chart_utils.dart

* convert CategoryChart to a stateless widget

* use a const for number of days in chart

* code review updates

- rename stream -> subscribe
- timeStamp -> timestamp
- remove latest() from API
- use FutureBuilder and StreamBuilder instead of stateful widget
- rename variables in mock_service_test.dart

* use a single collection reference in firebase API

* remove reference to stream in mock API

* Use a new type,  _EntriesEvent to improve filtering in mock API

* add analysis_options.yaml and fix (most) issues

* fix avoid_types_on_closure_parameters lint warnings

* use spread operator in dashboard.dart

* handle case where selected item in the category dropdown goes away

* use StreamBuilder + FutureBuilder on Entries page

* rename method

* use fake firebase configuration

* update pubspec.lock

* update README

* Change categories_dropdown to FutureBuilder + StreamBuilder

* Update minSdkVersion in build.gradle

SDK version 16 was failing: "The number of method references in a .dex
file cannot exceed 64K."

* update README

* Use a collection reference in FirebaseEntryApi

Already added to FirebaseCategoryApi

* Invoke onSelected in CategoriesDropdown when necessary

Also, avoid calling onSelected during a build.

* fix misnamed var

* remove unused import

* Use relative imports

* Use extension methods for DateTime utilities

* remove forms.dart

* Make Firebase instructions specific for this sample

* add copyright headers

* fix grammar

* dartfmt

* avoid setState() during build phase in CategoryDropdown

* add empty test to material_theme_builder

experimental/web_dashboard/README.md

@@ -30,3 +30,94 @@ Skia / CanvasKit mode:
 flutter run -d chrome --release --dart-define=FLUTTER_WEB_USE_SKIA=true
 ```
 
+## Running JSON code generator
+
+```
+flutter pub run grinder generate
+```
+
+## Add Firebase
+
+### Step 1: Create a new Firebase project
+
+Go to [console.firebase.google.com](https://console.firebase.google.com/) and
+create a new Firebase project.
+
+### Step 2: Enable Google Sign In for your project
+
+In the Firebase console, go to "Authentication" and enable Google sign in. Click
+on "Web SDK Configuration" and copy down your Web client ID.
+
+### Step 3: Add Client ID to `index.html`
+
+Uncomment this line in `index.html` and replace `<YOUR WEB CLIENT ID>` with the
+client ID from Step 2:
+
+```html
+  <!-- Uncomment and add Firebase client ID here: -->
+  <!-- <meta name="google-signin-client_id" content="<YOUR WEB CLIENT ID>"> -->
+```
+
+### Step 4: Create a web app
+
+In the Firebase console, under "Project overview", click "Add app", select Web,
+and replace the contents of `web/firebase_init.js`.
+
+```javascript
+// web/firebase_init.js
+var firebaseConfig = {
+    apiKey: "",
+    authDomain: "",
+    databaseURL: "",
+    projectId: "",
+    storageBucket: "",
+    messagingSenderId: "",
+    appId: ""
+};
+
+// Initialize Firebase
+firebase.initializeApp(firebaseConfig);
+```
+
+### Step 4: Create Cloud Firestore
+
+Create a new Cloud Firestore database and add the following rules to disallow
+users from reading/writing other users' data:
+
+```
+rules_version = '2';
+
+service cloud.firestore {
+  match /databases/{database}/documents {
+    // Make sure the uid of the requesting user matches name of the user
+    // document. The wildcard expression {userId} makes the userId variable
+    // available in rules.
+    match /users/{userId}/{document=**} {
+      allow read, update, delete: if request.auth.uid == userId;
+      allow create: if request.auth.uid != null;
+    }
+  }
+}
+```
+
+### Step 5: Run the app
+
+Run the app on port 5000:
+
+```bash
+flutter run -d chrome --web-port=5000
+```
+
+If you see CORS errors in your browser's console, go to the [Services
+section][cloud-console-apis] in the Google Cloud console, go to Credentials, and
+verify that `localhost:5000` is whitelisted.
+
+### (optional) Step 7: Set up iOS and Android
+If you would like to run the app on iOS or Android, make sure you've installed
+the appropriate configuration files described at
+[firebase.google.com/docs/flutter/setup][flutter-setup] from step 1, and follow
+the instructions detailed in the [google_sign_in README][google-sign-in]
+
+[flutter-setup]: https://firebase.google.com/docs/flutter/setup
+[cloud-console-apis]: https://console.developers.google.com/apis/dashboard
+[google-sign-in]: https://pub.dev/packages/google_sign_in

experimental/web_dashboard/analysis_options.yaml

@@ -0,0 +1,31 @@
+include: package:pedantic/analysis_options.1.8.0.yaml
+
+analyzer:
+  strong-mode:
+    implicit-casts: false
+    implicit-dynamic: false
+
+linter:
+  rules:
+    - avoid_types_on_closure_parameters
+    - avoid_void_async
+    - await_only_futures
+    - camel_case_types
+    - cancel_subscriptions
+    - close_sinks
+    - constant_identifier_names
+    - control_flow_in_finally
+    - directives_ordering
+    - empty_statements
+    - hash_and_equals
+    - implementation_imports
+    - non_constant_identifier_names
+    - package_api_docs
+    - package_names
+    - package_prefixed_library_names
+    - test_types_in_equals
+    - throw_in_finally
+    - unnecessary_brace_in_string_interps
+    - unnecessary_getters_setters
+    - unnecessary_new
+    - unnecessary_statements

experimental/web_dashboard/android/app/build.gradle

@@ -39,7 +39,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "dev.flutter.web_dashboard"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 28
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

experimental/web_dashboard/ios/Flutter/Debug.xcconfig

@@ -1 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
 #include "Generated.xcconfig"

experimental/web_dashboard/ios/Flutter/Release.xcconfig

@@ -1 +1,2 @@
+#include "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
 #include "Generated.xcconfig"

experimental/web_dashboard/ios/Podfile

@@ -0,0 +1,87 @@
+# Uncomment this line to define a global platform for your project
+# platform :ios, '9.0'
+
+# CocoaPods analytics sends network stats synchronously affecting flutter build latency.
+ENV['COCOAPODS_DISABLE_STATS'] = 'true'
+
+project 'Runner', {
+  'Debug' => :debug,
+  'Profile' => :release,
+  'Release' => :release,
+}
+
+def parse_KV_file(file, separator='=')
+  file_abs_path = File.expand_path(file)
+  if !File.exists? file_abs_path
+    return [];
+  end
+  generated_key_values = {}
+  skip_line_start_symbols = ["#", "/"]
+  File.foreach(file_abs_path) do |line|
+    next if skip_line_start_symbols.any? { |symbol| line =~ /^\s*#{symbol}/ }
+    plugin = line.split(pattern=separator)
+    if plugin.length == 2
+      podname = plugin[0].strip()
+      path = plugin[1].strip()
+      podpath = File.expand_path("#{path}", file_abs_path)
+      generated_key_values[podname] = podpath
+    else
+      puts "Invalid plugin specification: #{line}"
+    end
+  end
+  generated_key_values
+end
+
+target 'Runner' do
+  use_frameworks!
+  use_modular_headers!
+
+  # Flutter Pod
+
+  copied_flutter_dir = File.join(__dir__, 'Flutter')
+  copied_framework_path = File.join(copied_flutter_dir, 'Flutter.framework')
+  copied_podspec_path = File.join(copied_flutter_dir, 'Flutter.podspec')
+  unless File.exist?(copied_framework_path) && File.exist?(copied_podspec_path)
+    # Copy Flutter.framework and Flutter.podspec to Flutter/ to have something to link against if the xcode backend script has not run yet.
+    # That script will copy the correct debug/profile/release version of the framework based on the currently selected Xcode configuration.
+    # CocoaPods will not embed the framework on pod install (before any build phases can generate) if the dylib does not exist.
+
+    generated_xcode_build_settings_path = File.join(copied_flutter_dir, 'Generated.xcconfig')
+    unless File.exist?(generated_xcode_build_settings_path)
+      raise "Generated.xcconfig must exist. If you're running pod install manually, make sure flutter pub get is executed first"
+    end
+    generated_xcode_build_settings = parse_KV_file(generated_xcode_build_settings_path)
+    cached_framework_dir = generated_xcode_build_settings['FLUTTER_FRAMEWORK_DIR'];
+
+    unless File.exist?(copied_framework_path)
+      FileUtils.cp_r(File.join(cached_framework_dir, 'Flutter.framework'), copied_flutter_dir)
+    end
+    unless File.exist?(copied_podspec_path)
+      FileUtils.cp(File.join(cached_framework_dir, 'Flutter.podspec'), copied_flutter_dir)
+    end
+  end
+
+  # Keep pod path relative so it can be checked into Podfile.lock.
+  pod 'Flutter', :path => 'Flutter'
+
+  # Plugin Pods
+
+  # Prepare symlinks folder. We use symlinks to avoid having Podfile.lock
+  # referring to absolute paths on developers' machines.
+  system('rm -rf .symlinks')
+  system('mkdir -p .symlinks/plugins')
+  plugin_pods = parse_KV_file('../.flutter-plugins')
+  plugin_pods.each do |name, path|
+    symlink = File.join('.symlinks', 'plugins', name)
+    File.symlink(path, symlink)
+    pod name, :path => File.join(symlink, 'ios')
+  end
+end
+
+post_install do |installer|
+  installer.pods_project.targets.each do |target|
+    target.build_configurations.each do |config|
+      config.build_settings['ENABLE_BITCODE'] = 'NO'
+    end
+  end
+end

experimental/web_dashboard/ios/Podfile.lock

@@ -0,0 +1,410 @@
+PODS:
+  - abseil/algorithm (0.20190808):
+    - abseil/algorithm/algorithm (= 0.20190808)
+    - abseil/algorithm/container (= 0.20190808)
+  - abseil/algorithm/algorithm (0.20190808)
+  - abseil/algorithm/container (0.20190808):
+    - abseil/algorithm/algorithm
+    - abseil/base/core_headers
+    - abseil/meta/type_traits
+  - abseil/base (0.20190808):
+    - abseil/base/atomic_hook (= 0.20190808)
+    - abseil/base/base (= 0.20190808)
+    - abseil/base/base_internal (= 0.20190808)
+    - abseil/base/bits (= 0.20190808)
+    - abseil/base/config (= 0.20190808)
+    - abseil/base/core_headers (= 0.20190808)
+    - abseil/base/dynamic_annotations (= 0.20190808)
+    - abseil/base/endian (= 0.20190808)
+    - abseil/base/log_severity (= 0.20190808)
+    - abseil/base/malloc_internal (= 0.20190808)
+    - abseil/base/pretty_function (= 0.20190808)
+    - abseil/base/spinlock_wait (= 0.20190808)
+    - abseil/base/throw_delegate (= 0.20190808)
+  - abseil/base/atomic_hook (0.20190808)
+  - abseil/base/base (0.20190808):
+    - abseil/base/atomic_hook
+    - abseil/base/base_internal
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/base/dynamic_annotations
+    - abseil/base/log_severity
+    - abseil/base/spinlock_wait
+    - abseil/meta/type_traits
+  - abseil/base/base_internal (0.20190808):
+    - abseil/meta/type_traits
+  - abseil/base/bits (0.20190808):
+    - abseil/base/core_headers
+  - abseil/base/config (0.20190808)
+  - abseil/base/core_headers (0.20190808):
+    - abseil/base/config
+  - abseil/base/dynamic_annotations (0.20190808)
+  - abseil/base/endian (0.20190808):
+    - abseil/base/config
+    - abseil/base/core_headers
+  - abseil/base/log_severity (0.20190808):
+    - abseil/base/core_headers
+  - abseil/base/malloc_internal (0.20190808):
+    - abseil/base/base
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/base/dynamic_annotations
+    - abseil/base/spinlock_wait
+  - abseil/base/pretty_function (0.20190808)
+  - abseil/base/spinlock_wait (0.20190808):
+    - abseil/base/core_headers
+  - abseil/base/throw_delegate (0.20190808):
+    - abseil/base/base
+    - abseil/base/config
+  - abseil/memory (0.20190808):
+    - abseil/memory/memory (= 0.20190808)
+  - abseil/memory/memory (0.20190808):
+    - abseil/base/core_headers
+    - abseil/meta/type_traits
+  - abseil/meta (0.20190808):
+    - abseil/meta/type_traits (= 0.20190808)
+  - abseil/meta/type_traits (0.20190808):
+    - abseil/base/config
+  - abseil/numeric/int128 (0.20190808):
+    - abseil/base/config
+    - abseil/base/core_headers
+  - abseil/strings/internal (0.20190808):
+    - abseil/base/core_headers
+    - abseil/base/endian
+    - abseil/meta/type_traits
+  - abseil/strings/strings (0.20190808):
+    - abseil/base/base
+    - abseil/base/bits
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/base/endian
+    - abseil/base/throw_delegate
+    - abseil/memory/memory
+    - abseil/meta/type_traits
+    - abseil/numeric/int128
+    - abseil/strings/internal
+  - abseil/time (0.20190808):
+    - abseil/time/internal (= 0.20190808)
+    - abseil/time/time (= 0.20190808)
+  - abseil/time/internal (0.20190808):
+    - abseil/time/internal/cctz (= 0.20190808)
+  - abseil/time/internal/cctz (0.20190808):
+    - abseil/time/internal/cctz/civil_time (= 0.20190808)
+    - abseil/time/internal/cctz/includes (= 0.20190808)
+    - abseil/time/internal/cctz/time_zone (= 0.20190808)
+  - abseil/time/internal/cctz/civil_time (0.20190808)
+  - abseil/time/internal/cctz/includes (0.20190808)
+  - abseil/time/internal/cctz/time_zone (0.20190808):
+    - abseil/time/internal/cctz/civil_time
+  - abseil/time/time (0.20190808):
+    - abseil/base/base
+    - abseil/base/core_headers
+    - abseil/numeric/int128
+    - abseil/strings/strings
+    - abseil/time/internal/cctz/civil_time
+    - abseil/time/internal/cctz/time_zone
+  - abseil/types (0.20190808):
+    - abseil/types/any (= 0.20190808)
+    - abseil/types/bad_any_cast (= 0.20190808)
+    - abseil/types/bad_any_cast_impl (= 0.20190808)
+    - abseil/types/bad_optional_access (= 0.20190808)
+    - abseil/types/bad_variant_access (= 0.20190808)
+    - abseil/types/compare (= 0.20190808)
+    - abseil/types/optional (= 0.20190808)
+    - abseil/types/span (= 0.20190808)
+    - abseil/types/variant (= 0.20190808)
+  - abseil/types/any (0.20190808):
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/meta/type_traits
+    - abseil/types/bad_any_cast
+    - abseil/utility/utility
+  - abseil/types/bad_any_cast (0.20190808):
+    - abseil/base/config
+    - abseil/types/bad_any_cast_impl
+  - abseil/types/bad_any_cast_impl (0.20190808):
+    - abseil/base/base
+    - abseil/base/config
+  - abseil/types/bad_optional_access (0.20190808):
+    - abseil/base/base
+    - abseil/base/config
+  - abseil/types/bad_variant_access (0.20190808):
+    - abseil/base/base
+    - abseil/base/config
+  - abseil/types/compare (0.20190808):
+    - abseil/base/core_headers
+    - abseil/meta/type_traits
+  - abseil/types/optional (0.20190808):
+    - abseil/base/base_internal
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/memory/memory
+    - abseil/meta/type_traits
+    - abseil/types/bad_optional_access
+    - abseil/utility/utility
+  - abseil/types/span (0.20190808):
+    - abseil/algorithm/algorithm
+    - abseil/base/core_headers
+    - abseil/base/throw_delegate
+    - abseil/meta/type_traits
+  - abseil/types/variant (0.20190808):
+    - abseil/base/base_internal
+    - abseil/base/config
+    - abseil/base/core_headers
+    - abseil/meta/type_traits
+    - abseil/types/bad_variant_access
+    - abseil/utility/utility
+  - abseil/utility/utility (0.20190808):
+    - abseil/base/base_internal
+    - abseil/base/config
+    - abseil/meta/type_traits
+  - AppAuth (1.3.0):
+    - AppAuth/Core (= 1.3.0)
+    - AppAuth/ExternalUserAgent (= 1.3.0)
+  - AppAuth/Core (1.3.0)
+  - AppAuth/ExternalUserAgent (1.3.0)
+  - BoringSSL-GRPC (0.0.3):
+    - BoringSSL-GRPC/Implementation (= 0.0.3)
+    - BoringSSL-GRPC/Interface (= 0.0.3)
+  - BoringSSL-GRPC/Implementation (0.0.3):
+    - BoringSSL-GRPC/Interface (= 0.0.3)
+  - BoringSSL-GRPC/Interface (0.0.3)
+  - cloud_firestore (0.0.1):
+    - Firebase/Core
+    - Firebase/Firestore (~> 6.0)
+    - Flutter
+  - cloud_firestore_web (0.1.0):
+    - Flutter
+  - Firebase/Auth (6.18.0):
+    - Firebase/CoreOnly
+    - FirebaseAuth (~> 6.4.3)
+  - Firebase/Core (6.18.0):
+    - Firebase/CoreOnly
+    - FirebaseAnalytics (= 6.3.0)
+  - Firebase/CoreOnly (6.18.0):
+    - FirebaseCore (= 6.6.3)
+  - Firebase/Firestore (6.18.0):
+    - Firebase/CoreOnly
+    - FirebaseFirestore (~> 1.11.0)
+  - firebase_auth (0.0.1):
+    - Firebase/Auth (~> 6.3)
+    - Firebase/Core
+    - Flutter
+  - firebase_auth_web (0.1.0):
+    - Flutter
+  - firebase_core (0.0.1):
+    - Firebase/Core
+    - Flutter
+  - firebase_core_web (0.1.0):
+    - Flutter
+  - FirebaseAnalytics (6.3.0):
+    - FirebaseCore (~> 6.6)
+    - FirebaseInstallations (~> 1.1)
+    - GoogleAppMeasurement (= 6.3.0)
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.0)
+    - GoogleUtilities/MethodSwizzler (~> 6.0)
+    - GoogleUtilities/Network (~> 6.0)
+    - "GoogleUtilities/NSData+zlib (~> 6.0)"
+    - nanopb (= 0.3.9011)
+  - FirebaseAuth (6.4.3):
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 6.6)
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.5)
+    - GoogleUtilities/Environment (~> 6.5)
+    - GTMSessionFetcher/Core (~> 1.1)
+  - FirebaseAuthInterop (1.0.0)
+  - FirebaseCore (6.6.3):
+    - FirebaseCoreDiagnostics (~> 1.2)
+    - FirebaseCoreDiagnosticsInterop (~> 1.2)
+    - GoogleUtilities/Environment (~> 6.5)
+    - GoogleUtilities/Logger (~> 6.5)
+  - FirebaseCoreDiagnostics (1.2.1):
+    - FirebaseCoreDiagnosticsInterop (~> 1.2)
+    - GoogleDataTransportCCTSupport (~> 1.3)
+    - GoogleUtilities/Environment (~> 6.5)
+    - GoogleUtilities/Logger (~> 6.5)
+    - nanopb (~> 0.3.901)
+  - FirebaseCoreDiagnosticsInterop (1.2.0)
+  - FirebaseFirestore (1.11.0):
+    - abseil/algorithm (= 0.20190808)
+    - abseil/base (= 0.20190808)
+    - abseil/memory (= 0.20190808)
+    - abseil/meta (= 0.20190808)
+    - abseil/strings/strings (= 0.20190808)
+    - abseil/time (= 0.20190808)
+    - abseil/types (= 0.20190808)
+    - FirebaseAuthInterop (~> 1.0)
+    - FirebaseCore (~> 6.2)
+    - "gRPC-C++ (= 0.0.9)"
+    - leveldb-library (~> 1.22)
+    - nanopb (~> 0.3.901)
+  - FirebaseInstallations (1.1.0):
+    - FirebaseCore (~> 6.6)
+    - GoogleUtilities/UserDefaults (~> 6.5)
+    - PromisesObjC (~> 1.2)
+  - Flutter (1.0.0)
+  - google_sign_in (0.0.1):
+    - Flutter
+    - GoogleSignIn (~> 5.0)
+  - google_sign_in_web (0.8.1):
+    - Flutter
+  - GoogleAppMeasurement (6.3.0):
+    - GoogleUtilities/AppDelegateSwizzler (~> 6.0)
+    - GoogleUtilities/MethodSwizzler (~> 6.0)
+    - GoogleUtilities/Network (~> 6.0)
+    - "GoogleUtilities/NSData+zlib (~> 6.0)"
+    - nanopb (= 0.3.9011)
+  - GoogleDataTransport (4.0.1)
+  - GoogleDataTransportCCTSupport (1.4.1):
+    - GoogleDataTransport (~> 4.0)
+    - nanopb (~> 0.3.901)
+  - GoogleSignIn (5.0.2):
+    - AppAuth (~> 1.2)
+    - GTMAppAuth (~> 1.0)
+    - GTMSessionFetcher/Core (~> 1.1)
+  - GoogleUtilities/AppDelegateSwizzler (6.5.1):
+    - GoogleUtilities/Environment
+    - GoogleUtilities/Logger
+    - GoogleUtilities/Network
+  - GoogleUtilities/Environment (6.5.1)
+  - GoogleUtilities/Logger (6.5.1):
+    - GoogleUtilities/Environment
+  - GoogleUtilities/MethodSwizzler (6.5.1):
+    - GoogleUtilities/Logger
+  - GoogleUtilities/Network (6.5.1):
+    - GoogleUtilities/Logger
+    - "GoogleUtilities/NSData+zlib"
+    - GoogleUtilities/Reachability
+  - "GoogleUtilities/NSData+zlib (6.5.1)"
+  - GoogleUtilities/Reachability (6.5.1):
+    - GoogleUtilities/Logger
+  - GoogleUtilities/UserDefaults (6.5.1):
+    - GoogleUtilities/Logger
+  - "gRPC-C++ (0.0.9)":
+    - "gRPC-C++/Implementation (= 0.0.9)"
+    - "gRPC-C++/Interface (= 0.0.9)"
+  - "gRPC-C++/Implementation (0.0.9)":
+    - "gRPC-C++/Interface (= 0.0.9)"
+    - gRPC-Core (= 1.21.0)
+    - nanopb (~> 0.3)
+  - "gRPC-C++/Interface (0.0.9)"
+  - gRPC-Core (1.21.0):
+    - gRPC-Core/Implementation (= 1.21.0)
+    - gRPC-Core/Interface (= 1.21.0)
+  - gRPC-Core/Implementation (1.21.0):
+    - BoringSSL-GRPC (= 0.0.3)
+    - gRPC-Core/Interface (= 1.21.0)
+    - nanopb (~> 0.3)
+  - gRPC-Core/Interface (1.21.0)
+  - GTMAppAuth (1.0.0):
+    - AppAuth/Core (~> 1.0)
+    - GTMSessionFetcher (~> 1.1)
+  - GTMSessionFetcher (1.3.1):
+    - GTMSessionFetcher/Full (= 1.3.1)
+  - GTMSessionFetcher/Core (1.3.1)
+  - GTMSessionFetcher/Full (1.3.1):
+    - GTMSessionFetcher/Core (= 1.3.1)
+  - leveldb-library (1.22)
+  - nanopb (0.3.9011):
+    - nanopb/decode (= 0.3.9011)
+    - nanopb/encode (= 0.3.9011)
+  - nanopb/decode (0.3.9011)
+  - nanopb/encode (0.3.9011)
+  - PromisesObjC (1.2.8)
+
+DEPENDENCIES:
+  - cloud_firestore (from `.symlinks/plugins/cloud_firestore/ios`)
+  - cloud_firestore_web (from `.symlinks/plugins/cloud_firestore_web/ios`)
+  - firebase_auth (from `.symlinks/plugins/firebase_auth/ios`)
+  - firebase_auth_web (from `.symlinks/plugins/firebase_auth_web/ios`)
+  - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
+  - firebase_core_web (from `.symlinks/plugins/firebase_core_web/ios`)
+  - Flutter (from `Flutter`)
+  - google_sign_in (from `.symlinks/plugins/google_sign_in/ios`)
+  - google_sign_in_web (from `.symlinks/plugins/google_sign_in_web/ios`)
+
+SPEC REPOS:
+  trunk:
+    - abseil
+    - AppAuth
+    - BoringSSL-GRPC
+    - Firebase
+    - FirebaseAnalytics
+    - FirebaseAuth
+    - FirebaseAuthInterop
+    - FirebaseCore
+    - FirebaseCoreDiagnostics
+    - FirebaseCoreDiagnosticsInterop
+    - FirebaseFirestore
+    - FirebaseInstallations
+    - GoogleAppMeasurement
+    - GoogleDataTransport
+    - GoogleDataTransportCCTSupport
+    - GoogleSignIn
+    - GoogleUtilities
+    - "gRPC-C++"
+    - gRPC-Core
+    - GTMAppAuth
+    - GTMSessionFetcher
+    - leveldb-library
+    - nanopb
+    - PromisesObjC
+
+EXTERNAL SOURCES:
+  cloud_firestore:
+    :path: ".symlinks/plugins/cloud_firestore/ios"
+  cloud_firestore_web:
+    :path: ".symlinks/plugins/cloud_firestore_web/ios"
+  firebase_auth:
+    :path: ".symlinks/plugins/firebase_auth/ios"
+  firebase_auth_web:
+    :path: ".symlinks/plugins/firebase_auth_web/ios"
+  firebase_core:
+    :path: ".symlinks/plugins/firebase_core/ios"
+  firebase_core_web:
+    :path: ".symlinks/plugins/firebase_core_web/ios"
+  Flutter:
+    :path: Flutter
+  google_sign_in:
+    :path: ".symlinks/plugins/google_sign_in/ios"
+  google_sign_in_web:
+    :path: ".symlinks/plugins/google_sign_in_web/ios"
+
+SPEC CHECKSUMS:
+  abseil: 18063d773f5366ff8736a050fe035a28f635fd27
+  AppAuth: 73574f3013a1e65b9601a3ddc8b3158cce68c09d
+  BoringSSL-GRPC: db8764df3204ccea016e1c8dd15d9a9ad63ff318
+  cloud_firestore: 31454d48df21f3e1a900015e36143c0d46a304b7
+  cloud_firestore_web: 9ec3dc7f5f98de5129339802d491c1204462bfec
+  Firebase: 0490eca762a72e4f1582319539153897f1508dee
+  firebase_auth: 4ee3a54d3f09434c508c284a62f895a741a30637
+  firebase_auth_web: 0955c07bcc06e84af76b9d4e32e6f31518f2d7de
+  firebase_core: 0d8be0e0d14c4902953aeb5ac5d7316d1fe4b978
+  firebase_core_web: d501d8b946b60c8af265428ce483b0fff5ad52d1
+  FirebaseAnalytics: 058d71e714a1a6804d9e0f25e3bb18e377a51579
+  FirebaseAuth: 5ce2b03a3d7fe56b7a6e4c5ec7ff1522890b1d6f
+  FirebaseAuthInterop: 0ffa57668be100582bb7643d4fcb7615496c41fc
+  FirebaseCore: 78276943ad85e616dfa54dafa6c89512987d9d60
+  FirebaseCoreDiagnostics: 2109d10c35e8289b1ee6cabf44d9ffb055620194
+  FirebaseCoreDiagnosticsInterop: 296e2c5f5314500a850ad0b83e9e7c10b011a850
+  FirebaseFirestore: a23d596ae3a8c13d3b8353b565d2adfb690f9032
+  FirebaseInstallations: 575cd32f2aec0feeb0e44f5d0110a09e5e60b47b
+  Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  google_sign_in: f32920a589fdf4ab2918ec6dc5e5b0d5b8040ff5
+  google_sign_in_web: 52deb24929ac0992baff65c57956031c44ed44c3
+  GoogleAppMeasurement: 39ecba10918b21c83877d392246157f65db351cf
+  GoogleDataTransport: 653963cf5be60fb59cf051e070f0836fdc305f81
+  GoogleDataTransportCCTSupport: 84e4d4bbab642f2e9d83ee65d78aca2b5527d314
+  GoogleSignIn: 7137d297ddc022a7e0aa4619c86d72c909fa7213
+  GoogleUtilities: 06eb53bb579efe7099152735900dd04bf09e7275
+  "gRPC-C++": 9dfe7b44821e7b3e44aacad2af29d2c21f7cde83
+  gRPC-Core: c9aef9a261a1247e881b18059b84d597293c9947
+  GTMAppAuth: 4deac854479704f348309e7b66189e604cf5e01e
+  GTMSessionFetcher: cea130bbfe5a7edc8d06d3f0d17288c32ffe9925
+  leveldb-library: 55d93ee664b4007aac644a782d11da33fba316f7
+  nanopb: 18003b5e52dab79db540fe93fe9579f399bd1ccd
+  PromisesObjC: c119f3cd559f50b7ae681fa59dc1acd19173b7e6
+
+PODFILE CHECKSUM: c34e2287a9ccaa606aeceab922830efb9a6ff69a
+
+COCOAPODS: 1.9.1

experimental/web_dashboard/ios/Runner.xcodeproj/project.pbxproj

@@ -8,12 +8,9 @@
 
 /* Begin PBXBuildFile section */
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+		385270C76FB0F533A7165A2E /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 64BDA6743063ECE1AA5E480E /* Pods_Runner.framework */; };
 		3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
-		3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
-		3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		74858FAF1ED2DC5600515810 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 74858FAE1ED2DC5600515810 /* AppDelegate.swift */; };
-		9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; };
-		9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 9740EEBA1CF902C7004384FC /* Flutter.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
 		97C146FC1CF9000F007C117D /* Main.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FA1CF9000F007C117D /* Main.storyboard */; };
 		97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FD1CF9000F007C117D /* Assets.xcassets */; };
 		97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 97C146FF1CF9000F007C117D /* LaunchScreen.storyboard */; };
@@ -26,8 +23,6 @@
 			dstPath = "";
 			dstSubfolderSpec = 10;
 			files = (
-				3B80C3951E831B6300D905FE /* App.framework in Embed Frameworks */,
-				9705A1C71CF904A300538489 /* Flutter.framework in Embed Frameworks */,
 			);
 			name = "Embed Frameworks";
 			runOnlyForDeploymentPostprocessing = 0;
@@ -35,21 +30,23 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		08134052407BF94155A97FD0 /* Pods-Runner.profile.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.profile.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig"; sourceTree = "<group>"; };
 		1498D2321E8E86230040F4C2 /* GeneratedPluginRegistrant.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = GeneratedPluginRegistrant.h; sourceTree = "<group>"; };
 		1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = GeneratedPluginRegistrant.m; sourceTree = "<group>"; };
 		3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
-		3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
+		46DCF2E0FFA915CFF3790E62 /* Pods-Runner.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.release.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"; sourceTree = "<group>"; };
+		64BDA6743063ECE1AA5E480E /* Pods_Runner.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_Runner.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		74858FAD1ED2DC5600515810 /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
 		74858FAE1ED2DC5600515810 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		7AFA3C8E1D35360C0083082E /* Release.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; name = Release.xcconfig; path = Flutter/Release.xcconfig; sourceTree = "<group>"; };
 		9740EEB21CF90195004384FC /* Debug.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Debug.xcconfig; path = Flutter/Debug.xcconfig; sourceTree = "<group>"; };
 		9740EEB31CF90195004384FC /* Generated.xcconfig */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.xcconfig; name = Generated.xcconfig; path = Flutter/Generated.xcconfig; sourceTree = "<group>"; };
-		9740EEBA1CF902C7004384FC /* Flutter.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Flutter.framework; path = Flutter/Flutter.framework; sourceTree = "<group>"; };
 		97C146EE1CF9000F007C117D /* Runner.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Runner.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		97C146FB1CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/Main.storyboard; sourceTree = "<group>"; };
 		97C146FD1CF9000F007C117D /* Assets.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Assets.xcassets; sourceTree = "<group>"; };
 		97C147001CF9000F007C117D /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; name = Base; path = Base.lproj/LaunchScreen.storyboard; sourceTree = "<group>"; };
 		97C147021CF9000F007C117D /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		E61020DFA7983C4F990D457D /* Pods-Runner.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Runner.debug.xcconfig"; path = "Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -57,8 +54,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				9705A1C61CF904A100538489 /* Flutter.framework in Frameworks */,
+				385270C76FB0F533A7165A2E /* Pods_Runner.framework in Frameworks */,
-				3B80C3941E831B6300D905FE /* App.framework in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -68,9 +64,7 @@
 		9740EEB11CF90186004384FC /* Flutter */ = {
 			isa = PBXGroup;
 			children = (
-				3B80C3931E831B6300D905FE /* App.framework */,
 				3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
-				9740EEBA1CF902C7004384FC /* Flutter.framework */,
 				9740EEB21CF90195004384FC /* Debug.xcconfig */,
 				7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
 				9740EEB31CF90195004384FC /* Generated.xcconfig */,
@@ -84,6 +78,8 @@
 				9740EEB11CF90186004384FC /* Flutter */,
 				97C146F01CF9000F007C117D /* Runner */,
 				97C146EF1CF9000F007C117D /* Products */,
+				C968A41427A6C202DE27F5B1 /* Pods */,
+				D15429FA0FA3908CDDF0F16E /* Frameworks */,
 			);
 			sourceTree = "<group>";
 		};
@@ -118,6 +114,25 @@
 			name = "Supporting Files";
 			sourceTree = "<group>";
 		};
+		C968A41427A6C202DE27F5B1 /* Pods */ = {
+			isa = PBXGroup;
+			children = (
+				E61020DFA7983C4F990D457D /* Pods-Runner.debug.xcconfig */,
+				46DCF2E0FFA915CFF3790E62 /* Pods-Runner.release.xcconfig */,
+				08134052407BF94155A97FD0 /* Pods-Runner.profile.xcconfig */,
+			);
+			name = Pods;
+			path = Pods;
+			sourceTree = "<group>";
+		};
+		D15429FA0FA3908CDDF0F16E /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				64BDA6743063ECE1AA5E480E /* Pods_Runner.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -125,12 +140,15 @@
 			isa = PBXNativeTarget;
 			buildConfigurationList = 97C147051CF9000F007C117D /* Build configuration list for PBXNativeTarget "Runner" */;
 			buildPhases = (
+				AC382224AC8D58F121CB73F0 /* [CP] Check Pods Manifest.lock */,
 				9740EEB61CF901F6004384FC /* Run Script */,
 				97C146EA1CF9000F007C117D /* Sources */,
 				97C146EB1CF9000F007C117D /* Frameworks */,
 				97C146EC1CF9000F007C117D /* Resources */,
 				9705A1C41CF9048500538489 /* Embed Frameworks */,
 				3B06AD1E1E4923F5004D2608 /* Thin Binary */,
+				7028144C5268179DEEEA28F6 /* [CP] Embed Pods Frameworks */,
+				98E026760D1C31FD88E5C2A0 /* [CP] Copy Pods Resources */,
 			);
 			buildRules = (
 			);
@@ -201,7 +219,47 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" thin";
+			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" embed_and_thin";
+		};
+		7028144C5268179DEEEA28F6 /* [CP] Embed Pods Frameworks */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh",
+				"${BUILT_PRODUCTS_DIR}/AppAuth/AppAuth.framework",
+				"${BUILT_PRODUCTS_DIR}/BoringSSL-GRPC/openssl_grpc.framework",
+				"${PODS_ROOT}/../Flutter/Flutter.framework",
+				"${BUILT_PRODUCTS_DIR}/GTMAppAuth/GTMAppAuth.framework",
+				"${BUILT_PRODUCTS_DIR}/GTMSessionFetcher/GTMSessionFetcher.framework",
+				"${BUILT_PRODUCTS_DIR}/GoogleUtilities/GoogleUtilities.framework",
+				"${BUILT_PRODUCTS_DIR}/PromisesObjC/FBLPromises.framework",
+				"${BUILT_PRODUCTS_DIR}/abseil/absl.framework",
+				"${BUILT_PRODUCTS_DIR}/gRPC-C++/grpcpp.framework",
+				"${BUILT_PRODUCTS_DIR}/gRPC-Core/grpc.framework",
+				"${BUILT_PRODUCTS_DIR}/leveldb-library/leveldb.framework",
+				"${BUILT_PRODUCTS_DIR}/nanopb/nanopb.framework",
+			);
+			name = "[CP] Embed Pods Frameworks";
+			outputPaths = (
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/AppAuth.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/openssl_grpc.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/Flutter.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GTMAppAuth.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GTMSessionFetcher.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/GoogleUtilities.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/FBLPromises.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/absl.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/grpcpp.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/grpc.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/leveldb.framework",
+				"${TARGET_BUILD_DIR}/${FRAMEWORKS_FOLDER_PATH}/nanopb.framework",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-frameworks.sh\"\n";
+			showEnvVarsInLog = 0;
 		};
 		9740EEB61CF901F6004384FC /* Run Script */ = {
 			isa = PBXShellScriptBuildPhase;
@@ -217,6 +275,46 @@
 			shellPath = /bin/sh;
 			shellScript = "/bin/sh \"$FLUTTER_ROOT/packages/flutter_tools/bin/xcode_backend.sh\" build";
 		};
+		98E026760D1C31FD88E5C2A0 /* [CP] Copy Pods Resources */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputPaths = (
+				"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh",
+				"${PODS_ROOT}/GoogleSignIn/Resources/GoogleSignIn.bundle",
+			);
+			name = "[CP] Copy Pods Resources";
+			outputPaths = (
+				"${TARGET_BUILD_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}/GoogleSignIn.bundle",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-Runner/Pods-Runner-resources.sh\"\n";
+			showEnvVarsInLog = 0;
+		};
+		AC382224AC8D58F121CB73F0 /* [CP] Check Pods Manifest.lock */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+				"${PODS_PODFILE_DIR_PATH}/Podfile.lock",
+				"${PODS_ROOT}/Manifest.lock",
+			);
+			name = "[CP] Check Pods Manifest.lock";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+				"$(DERIVED_FILE_DIR)/Pods-Runner-checkManifestLockResult.txt",
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			showEnvVarsInLog = 0;
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */

experimental/web_dashboard/ios/Runner.xcworkspace/contents.xcworkspacedata

@@ -4,4 +4,7 @@
    <FileRef
       location = "group:Runner.xcodeproj">
    </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
 </Workspace>

experimental/web_dashboard/lib/main.dart

@@ -6,4 +6,6 @@ import 'package:flutter/material.dart';
 
 import 'src/app.dart';
 
-void main() => runApp(DashboardApp());
+void main() {
+  runApp(DashboardApp());
+}

experimental/web_dashboard/lib/main_mock.dart

@@ -0,0 +1,11 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+import 'src/app.dart';
+
+void main() {
+  runApp(DashboardApp.mock());
+}

experimental/web_dashboard/lib/src/api/api.dart

@@ -2,44 +2,106 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:json_annotation/json_annotation.dart';
+
+part 'api.g.dart';
+
 /// Manipulates app data,
 abstract class DashboardApi {
-  ItemApi get items;
+  CategoryApi get categories;
   EntryApi get entries;
 }
 
-/// Manipulates [Item] data.
+/// Manipulates [Category] data.
-abstract class ItemApi {
+abstract class CategoryApi {
-  Future<Item> delete(String id);
+  Future<Category> delete(String id);
-  Future<Item> get(String id);
-  Future<Item> insert(Item item);
-  Future<List<Item>> list();
-  Future<Item> update(Item item, String id);
-  Stream<List<Item>> allItemsStream();
-}
 
-/// Something being tracked.
+  Future<Category> get(String id);
-class Item {
-  final String name;
-  String id;
 
-  Item(this.name);
+  Future<Category> insert(Category category);
+
+  Future<List<Category>> list();
+
+  Future<Category> update(Category category, String id);
+
+  Stream<List<Category>> subscribe();
 }
 
 /// Manipulates [Entry] data.
 abstract class EntryApi {
-  Future<Entry> delete(String itemId, String id);
+  Future<Entry> delete(String categoryId, String id);
-  Future<Entry> insert(String itemId, Entry entry);
+
-  Future<List<Entry>> list(String itemId);
+  Future<Entry> get(String categoryId, String id);
-  Future<Entry> update(String itemId, String id, Entry entry);
+
-  Stream<List<Entry>> allEntriesStream(String itemId);
+  Future<Entry> insert(String categoryId, Entry entry);
+
+  Future<List<Entry>> list(String categoryId);
+
+  Future<Entry> update(String categoryId, String id, Entry entry);
+
+  Stream<List<Entry>> subscribe(String categoryId);
+}
+
+/// Something that's being tracked, e.g. Hours Slept, Cups of water, etc.
+@JsonSerializable()
+class Category {
+  String name;
+
+  @JsonKey(ignore: true)
+  String id;
+
+  Category(this.name);
+
+  factory Category.fromJson(Map<String, dynamic> json) =>
+      _$CategoryFromJson(json);
+
+  Map<String, dynamic> toJson() => _$CategoryToJson(this);
+
+  @override
+  operator ==(Object other) => other is Category && other.id == id;
+  @override
+  int get hashCode => id.hashCode;
+  @override
+  String toString() {
+    return '<Category id=$id>';
+  }
 }
 
 /// A number tracked at a point in time.
+@JsonSerializable()
 class Entry {
-  final int value;
+  int value;
-  final DateTime time;
+  @JsonKey(fromJson: _timestampToDateTime, toJson: _dateTimeToTimestamp)
+  DateTime time;
+
+  @JsonKey(ignore: true)
   String id;
 
   Entry(this.value, this.time);
+
+  factory Entry.fromJson(Map<String, dynamic> json) => _$EntryFromJson(json);
+
+  Map<String, dynamic> toJson() => _$EntryToJson(this);
+
+  static DateTime _timestampToDateTime(Timestamp timestamp) {
+    return DateTime.fromMillisecondsSinceEpoch(
+        timestamp.millisecondsSinceEpoch);
+  }
+
+  static Timestamp _dateTimeToTimestamp(DateTime dateTime) {
+    return Timestamp.fromMillisecondsSinceEpoch(
+        dateTime.millisecondsSinceEpoch);
+  }
+
+  @override
+  operator ==(Object other) => other is Entry && other.id == id;
+
+  @override
+  int get hashCode => id.hashCode;
+
+  @override
+  String toString() {
+    return '<Entry id=$id>';
+  }
 }

experimental/web_dashboard/lib/src/api/api.g.dart

@@ -0,0 +1,33 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'api.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Category _$CategoryFromJson(Map<String, dynamic> json) {
+  return Category(
+    json['name'] as String,
+  );
+}
+
+Map<String, dynamic> _$CategoryToJson(Category instance) => <String, dynamic>{
+      'name': instance.name,
+    };
+
+Entry _$EntryFromJson(Map<String, dynamic> json) {
+  return Entry(
+    json['value'] as int,
+    Entry._timestampToDateTime(json['time'] as Timestamp),
+  );
+}
+
+Map<String, dynamic> _$EntryToJson(Entry instance) => <String, dynamic>{
+      'value': instance.value,
+      'time': Entry._dateTimeToTimestamp(instance.time),
+    };

experimental/web_dashboard/lib/src/api/firebase.dart

@@ -1,3 +1,151 @@
 // Copyright 2020, the Flutter project authors. Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
+
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+import 'api.dart';
+
+class FirebaseDashboardApi implements DashboardApi {
+  @override
+  final EntryApi entries;
+
+  @override
+  final CategoryApi categories;
+
+  FirebaseDashboardApi(Firestore firestore, String userId)
+      : entries = FirebaseEntryApi(firestore, userId),
+        categories = FirebaseCategoryApi(firestore, userId);
+}
+
+class FirebaseEntryApi implements EntryApi {
+  final Firestore firestore;
+  final String userId;
+  final CollectionReference _categoriesRef;
+
+  FirebaseEntryApi(this.firestore, this.userId)
+      : _categoriesRef = firestore.collection('users/$userId/categories');
+
+  @override
+  Stream<List<Entry>> subscribe(String categoryId) {
+    var snapshots = _categoriesRef
+        .document('$categoryId')
+        .collection('entries')
+        .snapshots();
+    var result = snapshots.map((querySnapshot) {
+      return querySnapshot.documents.map((snapshot) {
+        return Entry.fromJson(snapshot.data)..id = snapshot.documentID;
+      }).toList();
+    });
+
+    return result;
+  }
+
+  @override
+  Future<Entry> delete(String categoryId, String id) async {
+    var document = _categoriesRef.document('$categoryId/entries/$id');
+    var entry = await get(categoryId, document.documentID);
+
+    await document.delete();
+
+    return entry;
+  }
+
+  @override
+  Future<Entry> insert(String categoryId, Entry entry) async {
+    var document = await _categoriesRef
+        .document('$categoryId')
+        .collection('entries')
+        .add(entry.toJson());
+    return await get(categoryId, document.documentID);
+  }
+
+  @override
+  Future<List<Entry>> list(String categoryId) async {
+    var entriesRef =
+        _categoriesRef.document('$categoryId').collection('entries');
+    var querySnapshot = await entriesRef.getDocuments();
+    var entries = querySnapshot.documents
+        .map((doc) => Entry.fromJson(doc.data)..id = doc.documentID)
+        .toList();
+
+    return entries;
+  }
+
+  @override
+  Future<Entry> update(String categoryId, String id, Entry entry) async {
+    var document = _categoriesRef.document('$categoryId/entries/$id');
+    await document.setData(entry.toJson());
+    var snapshot = await document.get();
+    return Entry.fromJson(snapshot.data)..id = snapshot.documentID;
+  }
+
+  @override
+  Future<Entry> get(String categoryId, String id) async {
+    var document = _categoriesRef.document('$categoryId/entries/$id');
+    var snapshot = await document.get();
+    return Entry.fromJson(snapshot.data)..id = snapshot.documentID;
+  }
+}
+
+class FirebaseCategoryApi implements CategoryApi {
+  final Firestore firestore;
+  final String userId;
+  final CollectionReference _categoriesRef;
+
+  FirebaseCategoryApi(this.firestore, this.userId)
+      : _categoriesRef = firestore.collection('users/$userId/categories');
+
+  @override
+  Stream<List<Category>> subscribe() {
+    var snapshots = _categoriesRef.snapshots();
+    var result = snapshots.map((querySnapshot) {
+      return querySnapshot.documents.map((snapshot) {
+        return Category.fromJson(snapshot.data)..id = snapshot.documentID;
+      }).toList();
+    });
+
+    return result;
+  }
+
+  @override
+  Future<Category> delete(String id) async {
+    var document = _categoriesRef.document('$id');
+    var categories = await get(document.documentID);
+
+    await document.delete();
+
+    return categories;
+  }
+
+  @override
+  Future<Category> get(String id) async {
+    var document = _categoriesRef.document('$id');
+    var snapshot = await document.get();
+    return Category.fromJson(snapshot.data)..id = snapshot.documentID;
+  }
+
+  @override
+  Future<Category> insert(Category category) async {
+    var document = await _categoriesRef.add(category.toJson());
+    return await get(document.documentID);
+  }
+
+  @override
+  Future<List<Category>> list() async {
+    var querySnapshot = await _categoriesRef.getDocuments();
+    var categories = querySnapshot.documents
+        .map((doc) => Category.fromJson(doc.data)..id = doc.documentID)
+        .toList();
+
+    return categories;
+  }
+
+  @override
+  Future<Category> update(Category category, String id) async {
+    var document = _categoriesRef.document('$id');
+    await document.setData(category.toJson());
+    var snapshot = await document.get();
+    return Category.fromJson(snapshot.data)..id = snapshot.documentID;
+  }
+}

experimental/web_dashboard/lib/src/api/mock.dart

@@ -3,6 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
+import 'dart:math';
 
 import 'package:uuid/uuid.dart' as uuid;
 
@@ -13,48 +14,67 @@ class MockDashboardApi implements DashboardApi {
   final EntryApi entries = MockEntryApi();
 
   @override
-  final ItemApi items = MockItemApi();
+  final CategoryApi categories = MockCategoryApi();
+
+  MockDashboardApi();
+
+  /// Creates a [MockDashboardApi] filled with mock data for the last 30 days.
+  Future<void> fillWithMockData() async {
+    await Future<void>.delayed(Duration(seconds: 1));
+    var category1 = await categories.insert(Category('Coffee (oz)'));
+    var category2 = await categories.insert(Category('Running (miles)'));
+    var category3 = await categories.insert(Category('Git Commits'));
+    var monthAgo = DateTime.now().subtract(Duration(days: 30));
+
+    for (var category in [category1, category2, category3]) {
+      for (var i = 0; i < 30; i++) {
+        var date = monthAgo.add(Duration(days: i));
+        var value = Random().nextInt(6) + 1;
+        await entries.insert(category.id, Entry(value, date));
+      }
+    }
+  }
 }
 
-class MockItemApi implements ItemApi {
+class MockCategoryApi implements CategoryApi {
-  Map<String, Item> _storage = {};
+  Map<String, Category> _storage = {};
-  StreamController<List<Item>> _streamController =
+  StreamController<List<Category>> _streamController =
-      StreamController<List<Item>>.broadcast();
+      StreamController<List<Category>>.broadcast();
 
   @override
-  Future<Item> delete(String id) async {
+  Future<Category> delete(String id) async {
+    var removed = _storage.remove(id);
     _emit();
-    return _storage.remove(id);
+    return removed;
   }
 
   @override
-  Future<Item> get(String id) async {
+  Future<Category> get(String id) async {
     return _storage[id];
   }
 
   @override
-  Future<Item> insert(Item item) async {
+  Future<Category> insert(Category category) async {
     var id = uuid.Uuid().v4();
-    var newItem = Item(item.name)..id = id;
+    var newCategory = Category(category.name)..id = id;
-    _storage[id] = newItem;
+    _storage[id] = newCategory;
     _emit();
-    return newItem;
+    return newCategory;
   }
 
   @override
-  Future<List<Item>> list() async {
+  Future<List<Category>> list() async {
     return _storage.values.toList();
   }
 
   @override
-  Future<Item> update(Item item, String id) async {
+  Future<Category> update(Category category, String id) async {
-    _storage[id] = item;
+    _storage[id] = category;
-    return item..id = id;
+    _emit();
+    return category..id = id;
   }
 
-  Stream<List<Item>> allItemsStream() {
+  Stream<List<Category>> subscribe() => _streamController.stream;
-    return _streamController.stream;
-  }
 
   void _emit() {
     _streamController.add(_storage.values.toList());
@@ -63,44 +83,64 @@ class MockItemApi implements ItemApi {
 
 class MockEntryApi implements EntryApi {
   Map<String, Entry> _storage = {};
-  StreamController<List<Entry>> _streamController =
+  StreamController<_EntriesEvent> _streamController =
-      StreamController<List<Entry>>.broadcast();
+      StreamController.broadcast();
 
   @override
-  Future<Entry> delete(String itemId, String id) async {
+  Future<Entry> delete(String categoryId, String id) async {
-    _emit();
+    _emit(categoryId);
-    return _storage.remove('$itemId-$id');
+    return _storage.remove('$categoryId-$id');
   }
 
   @override
-  Future<Entry> insert(String itemId, Entry entry) async {
+  Future<Entry> insert(String categoryId, Entry entry) async {
     var id = uuid.Uuid().v4();
     var newEntry = Entry(entry.value, entry.time)..id = id;
-    _storage['$itemId-$id'] = newEntry;
+    _storage['$categoryId-$id'] = newEntry;
-    _emit();
+    _emit(categoryId);
     return newEntry;
   }
 
   @override
-  Future<List<Entry>> list(String itemId) async {
+  Future<List<Entry>> list(String categoryId) async {
     return _storage.keys
-        .where((k) => k.startsWith(itemId))
+        .where((k) => k.startsWith(categoryId))
         .map((k) => _storage[k])
         .toList();
   }
 
   @override
-  Future<Entry> update(String itemId, String id, Entry entry) async {
+  Future<Entry> update(String categoryId, String id, Entry entry) async {
-    _storage['$itemId-$id'] = entry;
+    _storage['$categoryId-$id'] = entry;
+    _emit(categoryId);
     return entry..id = id;
   }
 
   @override
-  Stream<List<Entry>> allEntriesStream(String itemId) {
+  Stream<List<Entry>> subscribe(String categoryId) {
-    return _streamController.stream;
+    return _streamController.stream
+        .where((event) => event.categoryId == categoryId)
+        .map((event) => event.entries);
   }
 
-  void _emit() {
+  void _emit(String categoryId) {
-    _streamController.add(_storage.values.toList());
+    var entries = _storage.keys
+        .where((k) => k.startsWith(categoryId))
+        .map((k) => _storage[k])
+        .toList();
+
+    _streamController.add(_EntriesEvent(categoryId, entries));
+  }
+
+  @override
+  Future<Entry> get(String categoryId, String id) async {
+    return _storage['$categoryId-$id'];
   }
 }
+
+class _EntriesEvent {
+  final String categoryId;
+  final List<Entry> entries;
+
+  _EntriesEvent(this.categoryId, this.entries);
+}

experimental/web_dashboard/lib/src/app.dart

@@ -2,58 +2,102 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import 'api/api.dart';
+import 'api/firebase.dart';
 import 'api/mock.dart';
+import 'auth/auth.dart';
+import 'auth/firebase.dart';
+import 'auth/mock.dart';
 import 'pages/home.dart';
-import 'widgets/third_party/adaptive_scaffold.dart';
+import 'pages/sign_in.dart';
 
-/// An app that shows a responsive dashboard.
+/// The global state the app.
+class AppState {
+  final Auth auth;
+  DashboardApi api;
+
+  AppState(this.auth);
+}
+
+/// Creates a [DashboardApi] when the user is logged in.
+typedef DashboardApi ApiBuilder(User user);
+
+/// An app that displays a personalized dashboard.
 class DashboardApp extends StatefulWidget {
+  static ApiBuilder _mockApiBuilder =
+      (user) => MockDashboardApi()..fillWithMockData();
+  static ApiBuilder _apiBuilder =
+      (user) => FirebaseDashboardApi(Firestore.instance, user.uid);
+
+  final Auth auth;
+  final ApiBuilder apiBuilder;
+
+  /// Runs the app using Firebase
+  DashboardApp()
+      : auth = FirebaseAuthService(),
+        apiBuilder = _apiBuilder;
+
+  /// Runs the app using mock data
+  DashboardApp.mock()
+      : auth = MockAuthService(),
+        apiBuilder = _mockApiBuilder;
+
   @override
   _DashboardAppState createState() => _DashboardAppState();
 }
 
 class _DashboardAppState extends State<DashboardApp> {
-  int _pageIndex = 0;
+  AppState _appState;
+
+  void initState() {
+    super.initState();
+    _appState = AppState(widget.auth);
+  }
 
   @override
   Widget build(BuildContext context) {
-    return MultiProvider(
+    return Provider.value(
-      providers: [
+      value: _appState,
-        Provider<DashboardApi>(create: (_) => MockDashboardApi()),
-      ],
       child: MaterialApp(
-        home: AdaptiveScaffold(
+        home: Builder(
-          currentIndex: _pageIndex,
+          builder: (context) => SignInPage(
-          destinations: [
+            auth: _appState.auth,
-            AdaptiveScaffoldDestination(title: 'Home', icon: Icons.home),
+            onSuccess: (user) => _handleSignIn(user, context, _appState),
-            AdaptiveScaffoldDestination(title: 'Entries', icon: Icons.list),
+          ),
-            AdaptiveScaffoldDestination(
-                title: 'Settings', icon: Icons.settings),
-          ],
-          body: _pageAtIndex(_pageIndex),
-          onNavigationIndexChange: (newIndex) {
-            setState(() {
-              _pageIndex = newIndex;
-            });
-          },
         ),
       ),
     );
   }
 
-  static Widget _pageAtIndex(int index) {
+  /// Sets the DashboardApi on AppState and navigates to the home page.
-    switch (index) {
+  void _handleSignIn(User user, BuildContext context, AppState appState) {
-      case 1:
+    appState.api = widget.apiBuilder(user);
-        return Center(child: Text('page 2'));
+
-      case 2:
+    _showPage(HomePage(), context);
-        return Center(child: Text('page 3'));
+  }
-      case 0:
+
-      default:
+  /// Navigates to the home page using a fade transition.
-        return HomePage();
+  void _showPage(Widget page, BuildContext context) {
-    }
+    var route = _fadeRoute(page);
+    Navigator.of(context).pushReplacement(route);
+  }
+
+  /// Creates a [Route] that shows [newPage] using a fade transition.
+  Route<FadeTransition> _fadeRoute(Widget newPage) {
+    return PageRouteBuilder<FadeTransition>(
+      pageBuilder: (context, animation, secondaryAnimation) {
+        return newPage;
+      },
+      transitionsBuilder: (context, animation, secondaryAnimation, child) {
+        return FadeTransition(
+          opacity: animation.drive(CurveTween(curve: Curves.ease)),
+          child: child,
+        );
+      },
+    );
   }
 }

experimental/web_dashboard/lib/src/auth/auth.dart

@@ -0,0 +1,12 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+abstract class Auth {
+  Future<User> signIn();
+  Future signOut();
+}
+
+abstract class User {
+  String get uid;
+}

experimental/web_dashboard/lib/src/auth/firebase.dart

@@ -0,0 +1,41 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:google_sign_in/google_sign_in.dart';
+import 'package:firebase_auth/firebase_auth.dart' hide FirebaseUser;
+
+import 'auth.dart';
+
+class FirebaseAuthService implements Auth {
+  final GoogleSignIn _googleSignIn = GoogleSignIn();
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
+  Future<User> signIn() async {
+    GoogleSignInAccount googleUser;
+    if (await _googleSignIn.isSignedIn()) {
+      googleUser = await _googleSignIn.signInSilently();
+    } else {
+      googleUser = await _googleSignIn.signIn();
+    }
+
+    var googleAuth = await googleUser.authentication;
+
+    var credential = GoogleAuthProvider.getCredential(
+        accessToken: googleAuth.accessToken, idToken: googleAuth.idToken);
+
+    var authResult = await _auth.signInWithCredential(credential);
+
+    return _FirebaseUser(authResult.user.uid);
+  }
+
+  Future<void> signOut() async {
+    await _auth.signOut();
+  }
+}
+
+class _FirebaseUser implements User {
+  final String uid;
+
+  _FirebaseUser(this.uid);
+}

experimental/web_dashboard/lib/src/auth/mock.dart

@@ -0,0 +1,21 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'auth.dart';
+
+class MockAuthService implements Auth {
+  @override
+  Future<User> signIn() async {
+    return MockUser();
+  }
+
+  @override
+  Future signOut() async {
+    return null;
+  }
+}
+
+class MockUser implements User {
+  String get uid => "123";
+}

experimental/web_dashboard/lib/src/pages/dashboard.dart

@@ -0,0 +1,67 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import '../api/api.dart';
+import '../app.dart';
+import '../widgets/category_chart.dart';
+
+class DashboardPage extends StatelessWidget {
+  Widget build(BuildContext context) {
+    var appState = Provider.of<AppState>(context);
+    return FutureBuilder<List<Category>>(
+      future: appState.api.categories.list(),
+      builder: (context, futureSnapshot) {
+        if (!futureSnapshot.hasData) {
+          return Center(
+            child: CircularProgressIndicator(),
+          );
+        }
+        return StreamBuilder<List<Category>>(
+          initialData: futureSnapshot.data,
+          stream: appState.api.categories.subscribe(),
+          builder: (context, snapshot) {
+            if (snapshot.data == null) {
+              return Center(
+                child: CircularProgressIndicator(),
+              );
+            }
+            return Dashboard(snapshot.data);
+          },
+        );
+      },
+    );
+  }
+}
+
+class Dashboard extends StatelessWidget {
+  final List<Category> categories;
+
+  Dashboard(this.categories);
+
+  @override
+  Widget build(BuildContext context) {
+    var api = Provider.of<AppState>(context).api;
+    return Scrollbar(
+      child: GridView(
+        gridDelegate: SliverGridDelegateWithMaxCrossAxisExtent(
+          childAspectRatio: 2,
+          maxCrossAxisExtent: 500,
+        ),
+        children: [
+          ...categories.map(
+            (category) => Card(
+              child: CategoryChart(
+                category: category,
+                api: api,
+              ),
+            ),
+          )
+        ],
+      ),
+    );
+  }
+}

experimental/web_dashboard/lib/src/pages/entries.dart

@@ -0,0 +1,161 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:intl/intl.dart' as intl;
+
+import '../api/api.dart';
+import '../app.dart';
+import '../widgets/categories_dropdown.dart';
+import '../widgets/dialogs.dart';
+
+class EntriesPage extends StatefulWidget {
+  @override
+  _EntriesPageState createState() => _EntriesPageState();
+}
+
+class _EntriesPageState extends State<EntriesPage> {
+  Category _selected;
+
+  @override
+  Widget build(BuildContext context) {
+    var appState = Provider.of<AppState>(context);
+    return Column(
+      children: [
+        CategoryDropdown(
+            api: appState.api.categories,
+            onSelected: (category) => setState(() => _selected = category)),
+        Expanded(
+          child: _selected == null
+              ? Center(child: CircularProgressIndicator())
+              : EntriesList(
+                  category: _selected,
+                  api: appState.api.entries,
+                ),
+        ),
+      ],
+    );
+  }
+}
+
+class EntriesList extends StatefulWidget {
+  final Category category;
+  final EntryApi api;
+
+  EntriesList({
+    @required this.category,
+    @required this.api,
+  }) : super(key: ValueKey(category.id));
+
+  @override
+  _EntriesListState createState() => _EntriesListState();
+}
+
+class _EntriesListState extends State<EntriesList> {
+  @override
+  Widget build(BuildContext context) {
+    if (widget.category == null) {
+      return _buildLoadingIndicator();
+    }
+
+    return FutureBuilder<List<Entry>>(
+      future: widget.api.list(widget.category.id),
+      builder: (context, futureSnapshot) {
+        if (!futureSnapshot.hasData) {
+          return _buildLoadingIndicator();
+        }
+        return StreamBuilder<List<Entry>>(
+          initialData: futureSnapshot.data,
+          stream: widget.api.subscribe(widget.category.id),
+          builder: (context, snapshot) {
+            if (!snapshot.hasData) {
+              return _buildLoadingIndicator();
+            }
+            return ListView.builder(
+              itemBuilder: (context, index) {
+                return EntryTile(
+                  category: widget.category,
+                  entry: snapshot.data[index],
+                );
+              },
+              itemCount: snapshot.data.length,
+            );
+          },
+        );
+      },
+    );
+  }
+
+  Widget _buildLoadingIndicator() {
+    return Center(child: CircularProgressIndicator());
+  }
+}
+
+class EntryTile extends StatelessWidget {
+  final Category category;
+  final Entry entry;
+
+  EntryTile({
+    this.category,
+    this.entry,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      title: Text(entry.value.toString()),
+      subtitle: Text(intl.DateFormat('MM/dd/yy h:mm a').format(entry.time)),
+      trailing: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          FlatButton(
+            child: Text('Edit'),
+            onPressed: () {
+              showDialog<void>(
+                context: context,
+                builder: (context) {
+                  return EditEntryDialog(category: category, entry: entry);
+                },
+              );
+            },
+          ),
+          FlatButton(
+            child: Text('Delete'),
+            onPressed: () async {
+              var shouldDelete = await showDialog<bool>(
+                context: context,
+                builder: (context) => AlertDialog(
+                  title: Text('Delete entry?'),
+                  actions: [
+                    FlatButton(
+                      child: Text('Cancel'),
+                      onPressed: () => Navigator.of(context).pop(false),
+                    ),
+                    FlatButton(
+                      child: Text('Delete'),
+                      onPressed: () => Navigator.of(context).pop(true),
+                    ),
+                  ],
+                ),
+              );
+              if (shouldDelete) {
+                await Provider.of<AppState>(context, listen: false)
+                    .api
+                    .entries
+                    .delete(category.id, entry.id);
+
+                Scaffold.of(context).showSnackBar(
+                  SnackBar(
+                    content: Text('Entry deleted'),
+                  ),
+                );
+              }
+            },
+          ),
+        ],
+      ),
+    );
+  }
+}

experimental/web_dashboard/lib/src/pages/home.dart

@@ -3,47 +3,79 @@
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:flutter/material.dart';
-import 'package:provider/provider.dart';
 
-import '../api/api.dart';
+import '../widgets/dialogs.dart';
-import 'item_details.dart';
+import '../widgets/third_party/adaptive_scaffold.dart';
+import 'dashboard.dart';
+import 'entries.dart';
 
-class HomePage extends StatelessWidget {
+class HomePage extends StatefulWidget {
+  @override
+  _HomePageState createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  int _pageIndex = 0;
+
+  @override
   Widget build(BuildContext context) {
-    var api = Provider.of<DashboardApi>(context);
+    return AdaptiveScaffold(
-
+      currentIndex: _pageIndex,
-    return Scaffold(
+      destinations: [
-      body: StreamProvider<List<Item>>(
+        AdaptiveScaffoldDestination(title: 'Home', icon: Icons.home),
-        initialData: [],
+        AdaptiveScaffoldDestination(title: 'Entries', icon: Icons.list),
-        create: (context) => api.items.allItemsStream(),
+        AdaptiveScaffoldDestination(title: 'Settings', icon: Icons.settings),
-        child: Consumer<List<Item>>(
+      ],
-          builder: (context, items, child) {
+      body: _pageAtIndex(_pageIndex),
-            return ListView.builder(
+      onNavigationIndexChange: (newIndex) {
-              itemBuilder: (context, idx) {
+        setState(() {
-                return ListTile(
+          _pageIndex = newIndex;
-                  title: Text(items[idx].name),
+        });
-                  onTap: () {
+      },
-                    _showDetails(items[idx], context);
+      floatingActionButton:
-                  },
+          _hasFloatingActionButton ? _buildFab(context) : null,
-                );
-              },
-              itemCount: items.length,
-            );
-          },
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        child: Icon(Icons.add),
-        onPressed: () {
-          api.items.insert(Item('Coffees Drank'));
-        },
-      ),
     );
   }
 
-  void _showDetails(Item item, BuildContext context) {
+  bool get _hasFloatingActionButton {
-    Navigator.of(context).push(MaterialPageRoute(builder: (context) {
+    if (_pageIndex == 2) return false;
-      return ItemDetailsPage(item);
+    return true;
-    }));
+  }
+
+  FloatingActionButton _buildFab(BuildContext context) {
+    return FloatingActionButton(
+      child: Icon(Icons.add),
+      onPressed: () => _handleFabPressed(),
+    );
+  }
+
+  void _handleFabPressed() {
+    if (_pageIndex == 0) {
+      showDialog<NewCategoryDialog>(
+        context: context,
+        builder: (context) => NewCategoryDialog(),
+      );
+      return;
+    }
+
+    if (_pageIndex == 1) {
+      showDialog<NewEntryDialog>(
+        context: context,
+        builder: (context) => NewEntryDialog(),
+      );
+      return;
+    }
+  }
+
+  Widget _pageAtIndex(int index) {
+    if (index == 0) {
+      return DashboardPage();
+    }
+
+    if (index == 1) {
+      return EntriesPage();
+    }
+
+    return Center(child: Text('Settings page'));
   }
 }

experimental/web_dashboard/lib/src/pages/item_details.dart

@@ -1,22 +0,0 @@
-// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'package:flutter/material.dart';
-import 'package:web_dashboard/src/api/api.dart';
-
-class ItemDetailsPage extends StatelessWidget {
-  final Item item;
-
-  ItemDetailsPage(this.item);
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(),
-      body: Center(
-        child: Text('${item.name}'),
-      ),
-    );
-  }
-}

experimental/web_dashboard/lib/src/pages/sign_in.dart

@@ -0,0 +1,46 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+import '../auth/auth.dart';
+
+class SignInPage extends StatefulWidget {
+  final Auth auth;
+  final ValueChanged<User> onSuccess;
+
+  SignInPage({
+    @required this.auth,
+    @required this.onSuccess,
+  });
+
+  @override
+  _SignInPageState createState() => _SignInPageState();
+}
+
+class _SignInPageState extends State<SignInPage> {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: RaisedButton(
+          child: Text('Sign In'),
+          onPressed: () async {
+            var user = await widget.auth.signIn();
+            if (user != null) {
+              widget.onSuccess(user);
+            } else {
+              throw ('Unable to sign in');
+            }
+          },
+        ),
+      ),
+    );
+  }
+}

experimental/web_dashboard/lib/src/utils/chart_utils.dart

@@ -0,0 +1,65 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import '../api/api.dart';
+import 'day_helpers.dart';
+
+/// The total value of one or more [Entry]s on a given day.
+class EntryTotal {
+  final DateTime day;
+  int value;
+
+  EntryTotal(this.day, this.value);
+}
+
+/// Returns a list of [EntryTotal] objects. Each [EntryTotal] is the sum of
+/// the values of all the entries on a given day.
+List<EntryTotal> entryTotalsByDay(List<Entry> entries, int daysAgo,
+    {DateTime today}) {
+  today ??= DateTime.now();
+  return _entryTotalsByDay(entries, daysAgo, today).toList();
+}
+
+Iterable<EntryTotal> _entryTotalsByDay(
+    List<Entry> entries, int daysAgo, DateTime today) sync* {
+  var start = today.subtract(Duration(days: daysAgo));
+  var entriesByDay = _entriesInRange(start, today, entries);
+
+  for (var i = 0; i < entriesByDay.length; i++) {
+    var list = entriesByDay[i];
+    var entryTotal = EntryTotal(start.add(Duration(days: i)), 0);
+
+    for (var entry in list) {
+      entryTotal.value += entry.value;
+    }
+
+    yield entryTotal;
+  }
+}
+
+/// Groups entries by day between [start] and [end]. The result is a list of
+/// lists. The outer list represents the number of days since [start], and the
+/// inner list is the group of entries on that day.
+List<List<Entry>> _entriesInRange(
+        DateTime start, DateTime end, List<Entry> entries) =>
+    _entriesInRangeImpl(start, end, entries).toList();
+
+Iterable<List<Entry>> _entriesInRangeImpl(
+    DateTime start, DateTime end, List<Entry> entries) sync* {
+  start = start.atMidnight;
+  end = end.atMidnight;
+  var d = start;
+
+  while (d.compareTo(end) <= 0) {
+    var es = <Entry>[];
+    for (var entry in entries) {
+      if (d.isSameDay(entry.time.atMidnight)) {
+        es.add(entry);
+      }
+    }
+
+    yield es;
+    d = d.add(Duration(days: 1));
+  }
+}

experimental/web_dashboard/lib/src/utils/day_helpers.dart

@@ -0,0 +1,15 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+extension DayUtils on DateTime {
+  /// The UTC date portion of a datetime, without the minutes, seconds, etc.
+  DateTime get atMidnight {
+    return DateTime.utc(year, month, day);
+  }
+
+  /// Checks that the two [DateTime]s share the same date.
+  bool isSameDay(DateTime d2) {
+    return this.year == d2.year && this.month == d2.month && this.day == d2.day;
+  }
+}

experimental/web_dashboard/lib/src/widgets/categories_dropdown.dart

@@ -0,0 +1,108 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import '../api/api.dart';
+
+/// Subscribes to the latest list of categories and allows the user to select
+/// one.
+class CategoryDropdown extends StatefulWidget {
+  final CategoryApi api;
+  final ValueChanged<Category> onSelected;
+
+  CategoryDropdown({
+    @required this.api,
+    @required this.onSelected,
+  });
+
+  @override
+  _CategoryDropdownState createState() => _CategoryDropdownState();
+}
+
+class _CategoryDropdownState extends State<CategoryDropdown> {
+  Category _selected;
+  Future<List<Category>> _future;
+  Stream<List<Category>> _stream;
+
+  void initState() {
+    super.initState();
+
+    // This widget needs to wait for the list of Categories, select the first
+    // Category, and emit an `onSelected` event.
+    //
+    // This could be done inside the FutureBuilder's `builder` callback,
+    // but calling setState() during the build is an error. (Calling the
+    // onSelected callback will also cause the parent widget to call
+    // setState()).
+    //
+    // Instead, we'll create a new Future that sets the selected Category and
+    // calls `onSelected` if necessary. Then, we'll pass *that* future to
+    // FutureBuilder. Now the selected category is set and events are emitted
+    // *before* the build is triggered by the FutureBuilder.
+    _future = widget.api.list().then((categories) {
+      if (categories.isEmpty) {
+        return categories;
+      }
+
+      _setSelected(categories.first);
+      return categories;
+    });
+
+    // Same here, we'll create a new stream that handles any potential
+    // setState() operations before we trigger our StreamBuilder.
+    _stream = widget.api.subscribe().map((categories) {
+      if (!categories.contains(_selected) && categories.isNotEmpty) {
+        _setSelected(categories.first);
+      }
+
+      return categories;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return FutureBuilder<List<Category>>(
+      future: _future,
+      builder: (context, futureSnapshot) {
+        // Show an empty dropdown while the data is loading.
+        if (!futureSnapshot.hasData) {
+          return DropdownButton<Category>(items: [], onChanged: null);
+        }
+
+        return StreamBuilder<List<Category>>(
+          initialData: futureSnapshot.hasData ? futureSnapshot.data : [],
+          stream: _stream,
+          builder: (context, snapshot) {
+            var data = snapshot.hasData ? snapshot.data : <Category>[];
+            return DropdownButton<Category>(
+              value: _selected,
+              items: data.map(_buildDropdownItem).toList(),
+              onChanged: (category) {
+                _setSelected(category);
+              },
+            );
+          },
+        );
+      },
+    );
+  }
+
+  void _setSelected(Category category) {
+    if (_selected == category) {
+      return;
+    }
+    setState(() {
+      _selected = category;
+    });
+
+    widget.onSelected(_selected);
+  }
+
+  DropdownMenuItem<Category> _buildDropdownItem(Category category) {
+    return DropdownMenuItem<Category>(
+        child: Text(category.name), value: category);
+  }
+}

experimental/web_dashboard/lib/src/widgets/category_chart.dart

@@ -0,0 +1,111 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+import 'package:charts_flutter/flutter.dart' as charts;
+import 'package:intl/intl.dart' as intl;
+
+import '../api/api.dart';
+import '../utils/chart_utils.dart' as utils;
+import 'dialogs.dart';
+
+// The number of days to show in the chart
+const _daysBefore = 10;
+
+class CategoryChart extends StatelessWidget {
+  final Category category;
+  final DashboardApi api;
+
+  CategoryChart({
+    @required this.category,
+    @required this.api,
+  });
+
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Padding(
+          padding: const EdgeInsets.only(left: 8.0, right: 8.0),
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              Text(category.name),
+              IconButton(
+                icon: Icon(Icons.settings),
+                onPressed: () {
+                  showDialog<EditCategoryDialog>(
+                    context: context,
+                    builder: (context) {
+                      return EditCategoryDialog(category: category);
+                    },
+                  );
+                },
+              ),
+            ],
+          ),
+        ),
+        Expanded(
+          // Load the initial snapshot using a FutureBuilder, and subscribe to
+          // additional updates with a StreamBuilder.
+          child: FutureBuilder<List<Entry>>(
+            future: api.entries.list(category.id),
+            builder: (context, futureSnapshot) {
+              if (!futureSnapshot.hasData) {
+                return _buildLoadingIndicator();
+              }
+              return StreamBuilder<List<Entry>>(
+                initialData: futureSnapshot.data,
+                stream: api.entries.subscribe(category.id),
+                builder: (context, snapshot) {
+                  if (!snapshot.hasData) {
+                    return _buildLoadingIndicator();
+                  }
+                  return _BarChart(entries: snapshot.data);
+                },
+              );
+            },
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildLoadingIndicator() {
+    return Center(child: CircularProgressIndicator());
+  }
+}
+
+class _BarChart extends StatelessWidget {
+  final List<Entry> entries;
+
+  _BarChart({this.entries});
+
+  @override
+  Widget build(BuildContext context) {
+    return charts.BarChart(
+      [_seriesData()],
+      animate: false,
+    );
+  }
+
+  charts.Series<utils.EntryTotal, String> _seriesData() {
+    return charts.Series<utils.EntryTotal, String>(
+      id: 'Entries',
+      colorFn: (_, __) => charts.MaterialPalette.blue.shadeDefault,
+      domainFn: (entryTotal, _) {
+        if (entryTotal == null) return null;
+
+        var format = intl.DateFormat.Md();
+        return format.format(entryTotal.day);
+      },
+      measureFn: (total, _) {
+        if (total == null) return null;
+
+        return total.value;
+      },
+      data: utils.entryTotalsByDay(entries, _daysBefore),
+    );
+  }
+}

experimental/web_dashboard/lib/src/widgets/category_forms.dart

@@ -0,0 +1,103 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:web_dashboard/src/api/api.dart';
+import 'package:web_dashboard/src/app.dart';
+
+class NewCategoryForm extends StatefulWidget {
+  @override
+  _NewCategoryFormState createState() => _NewCategoryFormState();
+}
+
+class _NewCategoryFormState extends State<NewCategoryForm> {
+  Category _category = Category('');
+
+  @override
+  Widget build(BuildContext context) {
+    var api = Provider.of<AppState>(context).api;
+    return EditCategoryForm(
+      category: _category,
+      onDone: (shouldInsert) {
+        if (shouldInsert) {
+          api.categories.insert(_category);
+        }
+        Navigator.of(context).pop();
+      },
+    );
+  }
+}
+
+class EditCategoryForm extends StatefulWidget {
+  final Category category;
+  final ValueChanged<bool> onDone;
+
+  EditCategoryForm({
+    @required this.category,
+    @required this.onDone,
+  });
+
+  @override
+  _EditCategoryFormState createState() => _EditCategoryFormState();
+}
+
+class _EditCategoryFormState extends State<EditCategoryForm> {
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      key: _formKey,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: TextFormField(
+              initialValue: widget.category.name,
+              decoration: InputDecoration(
+                labelText: 'Name',
+              ),
+              onChanged: (newValue) {
+                widget.category.name = newValue;
+              },
+              validator: (value) {
+                if (value.isEmpty) {
+                  return 'Please enter a name';
+                }
+                return null;
+              },
+            ),
+          ),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: [
+              Padding(
+                padding: const EdgeInsets.only(left: 8.0, right: 8.0),
+                child: RaisedButton(
+                  child: Text('Cancel'),
+                  onPressed: () {
+                    widget.onDone(false);
+                  },
+                ),
+              ),
+              Padding(
+                padding: const EdgeInsets.only(left: 8.0, right: 8.0),
+                child: RaisedButton(
+                  child: Text('OK'),
+                  onPressed: () {
+                    if (_formKey.currentState.validate()) {
+                      widget.onDone(true);
+                    }
+                  },
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}

experimental/web_dashboard/lib/src/widgets/dialogs.dart

@@ -0,0 +1,98 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:web_dashboard/src/api/api.dart';
+import 'package:web_dashboard/src/widgets/category_forms.dart';
+
+import '../app.dart';
+import 'edit_entry.dart';
+
+class NewCategoryDialog extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return SimpleDialog(
+      title: Text('New Category'),
+      children: <Widget>[
+        NewCategoryForm(),
+      ],
+    );
+  }
+}
+
+class EditCategoryDialog extends StatelessWidget {
+  final Category category;
+
+  EditCategoryDialog({
+    @required this.category,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    var api = Provider.of<AppState>(context).api;
+
+    return SimpleDialog(
+      title: Text('Edit Category'),
+      children: [
+        EditCategoryForm(
+          category: category,
+          onDone: (shouldUpdate) {
+            if (shouldUpdate) {
+              api.categories.update(category, category.id);
+            }
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    );
+  }
+}
+
+class NewEntryDialog extends StatefulWidget {
+  @override
+  _NewEntryDialogState createState() => _NewEntryDialogState();
+}
+
+class _NewEntryDialogState extends State<NewEntryDialog> {
+  @override
+  Widget build(BuildContext context) {
+    return SimpleDialog(
+      title: Text('New Entry'),
+      children: [
+        NewEntryForm(),
+      ],
+    );
+  }
+}
+
+class EditEntryDialog extends StatelessWidget {
+  final Category category;
+  final Entry entry;
+
+  EditEntryDialog({
+    this.category,
+    this.entry,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    var api = Provider.of<AppState>(context).api;
+
+    return SimpleDialog(
+      title: Text('Edit Entry'),
+      children: [
+        EditEntryForm(
+          entry: entry,
+          onDone: (shouldUpdate) {
+            if (shouldUpdate) {
+              api.entries.update(category.id, entry.id, entry);
+            }
+            Navigator.of(context).pop();
+          },
+        )
+      ],
+    );
+  }
+}

experimental/web_dashboard/lib/src/widgets/edit_entry.dart

@@ -0,0 +1,154 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:web_dashboard/src/api/api.dart';
+import 'package:intl/intl.dart' as intl;
+
+import '../app.dart';
+import 'categories_dropdown.dart';
+
+class NewEntryForm extends StatefulWidget {
+  @override
+  _NewEntryFormState createState() => _NewEntryFormState();
+}
+
+class _NewEntryFormState extends State<NewEntryForm> {
+  Category _selected;
+  Entry _entry = Entry(0, DateTime.now());
+
+  @override
+  Widget build(BuildContext context) {
+    var api = Provider.of<AppState>(context).api;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: <Widget>[
+        Padding(
+          padding: const EdgeInsets.all(8.0),
+          child: CategoryDropdown(
+            api: api.categories,
+            onSelected: (category) {
+              setState(() {
+                _selected = category;
+              });
+            },
+          ),
+        ),
+        EditEntryForm(
+          entry: _entry,
+          onDone: (shouldInsert) {
+            if (shouldInsert) {
+              api.entries.insert(_selected.id, _entry);
+            }
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    );
+  }
+}
+
+class EditEntryForm extends StatefulWidget {
+  final Entry entry;
+  final ValueChanged<bool> onDone;
+
+  EditEntryForm({
+    @required this.entry,
+    @required this.onDone,
+  });
+
+  @override
+  _EditEntryFormState createState() => _EditEntryFormState();
+}
+
+class _EditEntryFormState extends State<EditEntryForm> {
+  final _formKey = GlobalKey<FormState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      key: _formKey,
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Padding(
+            padding: EdgeInsets.all(8),
+            child: TextFormField(
+              initialValue: widget.entry.value.toString(),
+              decoration: InputDecoration(labelText: 'Value'),
+              keyboardType: TextInputType.number,
+              validator: (value) {
+                try {
+                  int.parse(value);
+                } catch (e) {
+                  return "Please enter a whole number";
+                }
+                return null;
+              },
+              onChanged: (newValue) {
+                try {
+                  widget.entry.value = int.parse(newValue);
+                } on FormatException {
+                  print('Entry cannot contain "$newValue". Expected a number');
+                }
+              },
+            ),
+          ),
+          Padding(
+            padding: EdgeInsets.all(8),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(intl.DateFormat('MM/dd/yyyy').format(widget.entry.time)),
+                RaisedButton(
+                  child: Text('Edit'),
+                  onPressed: () async {
+                    var result = await showDatePicker(
+                        context: context,
+                        initialDate: widget.entry.time,
+                        firstDate: DateTime.now().subtract(Duration(days: 365)),
+                        lastDate: DateTime.now());
+                    if (result == null) {
+                      return;
+                    }
+                    setState(() {
+                      widget.entry.time = result;
+                    });
+                  },
+                )
+              ],
+            ),
+          ),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: [
+              Padding(
+                padding: const EdgeInsets.only(left: 8.0, right: 8.0),
+                child: RaisedButton(
+                  child: Text('Cancel'),
+                  onPressed: () {
+                    widget.onDone(false);
+                  },
+                ),
+              ),
+              Padding(
+                padding: const EdgeInsets.only(left: 8.0, right: 8.0),
+                child: RaisedButton(
+                  child: Text('OK'),
+                  onPressed: () {
+                    if (_formKey.currentState.validate()) {
+                      widget.onDone(true);
+                    }
+                  },
+                ),
+              ),
+            ],
+          )
+        ],
+      ),
+    );
+  }
+}

experimental/web_dashboard/pubspec.lock

@@ -7,21 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "2.1.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.39.8"
+    version: "0.39.6"
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.13"
   args:
     dependency: transitive
     description:
@@ -43,6 +36,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.2"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.2"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.4"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.4"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.1"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.0"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.3.2"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.0.9"
   charcode:
     dependency: transitive
     description:
@@ -50,6 +99,69 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.3"
+  charts_common:
+    dependency: transitive
+    description:
+      name: charts_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.0"
+  charts_flutter:
+    dependency: "direct main"
+    description:
+      name: charts_flutter
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3+2"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  cloud_firestore:
+    dependency: "direct main"
+    description:
+      name: cloud_firestore
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.4+2"
+  cloud_firestore_platform_interface:
+    dependency: transitive
+    description:
+      name: cloud_firestore_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  cloud_firestore_web:
+    dependency: transitive
+    description:
+      name: cloud_firestore_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+2"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.1"
   collection:
     dependency: transitive
     description:
@@ -92,6 +204,76 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.3"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.4"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  firebase:
+    dependency: transitive
+    description:
+      name: firebase
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.3.0"
+  firebase_auth:
+    dependency: "direct main"
+    description:
+      name: firebase_auth
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.15.5+3"
+  firebase_auth_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_auth_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.7"
+  firebase_auth_web:
+    dependency: transitive
+    description:
+      name: firebase_auth_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
+  firebase_core:
+    dependency: "direct main"
+    description:
+      name: firebase_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.4+3"
+  firebase_core_platform_interface:
+    dependency: transitive
+    description:
+      name: firebase_core_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
+  firebase_core_web:
+    dependency: transitive
+    description:
+      name: firebase_core_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.11"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -102,6 +284,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   glob:
     dependency: transitive
     description:
@@ -109,6 +296,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  google_sign_in:
+    dependency: "direct main"
+    description:
+      name: google_sign_in
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.4.1"
+  google_sign_in_platform_interface:
+    dependency: transitive
+    description:
+      name: google_sign_in_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  google_sign_in_web:
+    dependency: transitive
+    description:
+      name: google_sign_in_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.4"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
+  grinder:
+    dependency: "direct dev"
+    description:
+      name: grinder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.4"
   html:
     dependency: transitive
     description:
@@ -122,7 +344,7 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.1"
+    version: "0.12.0+4"
   http_multi_server:
     dependency: transitive
     description:
@@ -137,13 +359,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.4"
-  image:
+  intl:
     dependency: transitive
     description:
-      name: image
+      name: intl
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.12"
+    version: "0.16.1"
   io:
     dependency: transitive
     description:
@@ -158,6 +380,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.6.1+1"
+  json_annotation:
+    dependency: "direct main"
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.3.0"
   logging:
     dependency: transitive
     description:
@@ -213,7 +449,7 @@ packages:
       name: node_io
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.0.1+2"
   node_preamble:
     dependency: transitive
     description:
@@ -234,7 +470,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.7.0"
   pedantic:
     dependency: transitive
     description:
@@ -242,13 +478,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.9.0"
-  petitparser:
+  plugin_platform_interface:
     dependency: transitive
     description:
-      name: petitparser
+      name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "1.0.2"
   pool:
     dependency: transitive
     description:
@@ -262,7 +498,7 @@ packages:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.0.4"
   pub_semver:
     dependency: transitive
     description:
@@ -270,6 +506,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.4.4"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   quiver:
     dependency: transitive
     description:
@@ -310,6 +553,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.5"
   source_map_stack_trace:
     dependency: transitive
     description:
@@ -345,6 +595,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
   string_scanner:
     dependency: transitive
     description:
@@ -365,7 +622,7 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.3"
+    version: "1.14.2"
   test_api:
     dependency: transitive
     description:
@@ -379,7 +636,14 @@ packages:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.4"
+    version: "0.3.3"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+2"
   typed_data:
     dependency: transitive
     description:
@@ -407,14 +671,14 @@ packages:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.2"
+    version: "4.0.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.7+15"
+    version: "0.9.7+14"
   web_socket_channel:
     dependency: transitive
     description:
@@ -428,21 +692,14 @@ packages:
       name: webkit_inspection_protocol
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.3"
+    version: "0.5.0+1"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.6.1"
   yaml:
     dependency: transitive
     description:
       name: yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.1"
+    version: "2.2.0"
 sdks:
   dart: ">=2.7.0 <3.0.0"
-  flutter: ">=1.17.0"
+  flutter: ">=1.12.13+hotfix.4 <2.0.0"

experimental/web_dashboard/pubspec.yaml

@@ -1,17 +1,26 @@
 name: web_dashboard
-description: A desktop-friendly dashboard app
+description: A dashboard app sample
 version: 1.0.0+1
 environment:
-  sdk: ">=2.3.0 <3.0.0"
+  sdk: ">=2.6.0 <3.0.0"
 dependencies:
   flutter:
     sdk: flutter
+  cloud_firestore: ^0.13.0
   cupertino_icons: ^0.1.2
+  firebase_auth: ^0.15.0
+  firebase_core: ^0.4.3
+  google_sign_in: ^4.4 0
+  json_annotation: ^3.0.0
   provider: ^4.0.0
   uuid: ^2.0.0
+  charts_flutter: ^0.9.0
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  test: any
+  build_runner: ^1.8.0
+  json_serializable: ^3.3.0
+  test: ^1.14.0
+  grinder: ^0.8.4
 flutter:
   uses-material-design: true

experimental/web_dashboard/test/chart_utils_test.dart

@@ -0,0 +1,29 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:test/test.dart';
+
+import 'package:web_dashboard/src/api/api.dart';
+import 'package:web_dashboard/src/utils/chart_utils.dart';
+
+void main() {
+  group('chart utils', () {
+    test('totals entries by day', () async {
+      var entries = [
+        Entry(10, DateTime(2020, 3, 1)),
+        Entry(10, DateTime(2020, 3, 1)),
+        Entry(10, DateTime(2020, 3, 2)),
+      ];
+      var totals = entryTotalsByDay(entries, 2, today: DateTime(2020, 3, 2));
+      expect(totals, hasLength(3));
+      expect(totals[1].value, 20);
+      expect(totals[2].value, 10);
+    });
+    test('days', () async {
+      expect(
+          DateTime.utc(2020, 1, 3).difference(DateTime.utc(2020, 1, 2)).inDays,
+          1);
+    });
+  });
+}

experimental/web_dashboard/test/mock_service_test.dart

@@ -17,80 +17,81 @@ void main() {
 
     group('items', () {
       test('insert', () async {
-        var item = await api.items.insert(Item('Coffees Drank'));
+        var category = await api.categories.insert(Category('Coffees Drank'));
-        expect(item.name, 'Coffees Drank');
+        expect(category.name, 'Coffees Drank');
       });
 
       test('delete', () async {
-        await api.items.insert(Item('Coffees Drank'));
+        await api.categories.insert(Category('Coffees Drank'));
-        var item2 = await api.items.insert(Item('Miles Ran'));
+        var category = await api.categories.insert(Category('Miles Ran'));
-        var removed = await api.items.delete(item2.id);
+        var removed = await api.categories.delete(category.id);
 
         expect(removed.name, 'Miles Ran');
 
-        var items = await api.items.list();
+        var categories = await api.categories.list();
-        expect(items, hasLength(1));
+        expect(categories, hasLength(1));
       });
 
       test('update', () async {
-        var item = await api.items.insert(Item('Coffees Drank'));
+        var category = await api.categories.insert(Category('Coffees Drank'));
-        await api.items.update(Item('Bagels Consumed'), item.id);
+        await api.categories.update(Category('Bagels Consumed'), category.id);
 
-        var latest = await api.items.get(item.id);
+        var latest = await api.categories.get(category.id);
         expect(latest.name, equals('Bagels Consumed'));
       });
       test('subscribe', () async {
-        var stream = api.items.allItemsStream();
+        var stream = api.categories.subscribe();
 
         stream.listen(expectAsync1((x) {
           expect(x, hasLength(1));
           expect(x.first.name, equals('Coffees Drank'));
         }, count: 1));
-        await api.items.insert(Item('Coffees Drank'));
+        await api.categories.insert(Category('Coffees Drank'));
       });
     });
 
     group('entry service', () {
-      Item item;
+      Category category;
       DateTime dateTime = DateTime(2020, 1, 1, 30, 45);
 
       setUp(() async {
-        item = await api.items.insert(Item('Lines of code committed'));
+        category =
+            await api.categories.insert(Category('Lines of code committed'));
       });
 
       test('insert', () async {
-        var entry = await api.entries.insert(item.id, Entry(1, dateTime));
+        var entry = await api.entries.insert(category.id, Entry(1, dateTime));
 
         expect(entry.value, 1);
         expect(entry.time, dateTime);
       });
 
       test('delete', () async {
-        await api.entries.insert(item.id, Entry(1, dateTime));
+        await api.entries.insert(category.id, Entry(1, dateTime));
-        var entry2 = await api.entries.insert(item.id, Entry(2, dateTime));
+        var entry2 = await api.entries.insert(category.id, Entry(2, dateTime));
 
-        await api.entries.delete(item.id, entry2.id);
+        await api.entries.delete(category.id, entry2.id);
 
-        var entries = await api.entries.list(item.id);
+        var entries = await api.entries.list(category.id);
         expect(entries, hasLength(1));
       });
 
       test('update', () async {
-        var entry = await api.entries.insert(item.id, Entry(1, dateTime));
+        var entry = await api.entries.insert(category.id, Entry(1, dateTime));
         var updated =
-            await api.entries.update(item.id, entry.id, Entry(2, dateTime));
+            await api.entries.update(category.id, entry.id, Entry(2, dateTime));
         expect(updated.value, 2);
       });
 
       test('subscribe', () async {
-        var stream = api.entries.allEntriesStream(item.id);
+        var stream = api.entries.subscribe(category.id);
 
         stream.listen(expectAsync1((x) {
           expect(x, hasLength(1));
           expect(x.first.value, equals(1));
         }, count: 1));
 
-        api.entries.insert(item.id, Entry(1, dateTime));
+        await api.entries.insert(category.id, Entry(1, dateTime));
       });
     });
   });

experimental/web_dashboard/tool/grind.dart

@@ -0,0 +1,108 @@
+// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+import 'dart:convert';
+import 'dart:io';
+import 'package:path/path.dart' as path;
+
+import 'package:grinder/grinder.dart';
+
+void main(List<String> args) => grind(args);
+
+@Task()
+void runSkia() {
+  run('flutter',
+      arguments:
+          'run -d web --web-port=5000 --release --dart-define=FLUTTER_WEB_USE_SKIA=true lib/main.dart '
+              .split(' '));
+}
+
+@Task()
+void runWeb() {
+  run('flutter',
+      arguments: 'run -d web --web-port=5000 lib/main.dart '.split(' '));
+}
+
+@Task()
+void runMock() {
+  run('flutter',
+      arguments: 'run -d web --web-port=5000 lib/main_mock.dart '.split(' '));
+}
+
+@Task()
+void runMockSkia() {
+  run('flutter',
+      arguments:
+          'run -d web --web-port=5000 --release --dart-define=FLUTTER_WEB_USE_SKIA=true lib/main_mock.dart'
+              .split(' '));
+}
+
+@Task()
+void test() {
+  TestRunner().testAsync();
+}
+
+@DefaultTask()
+@Depends(test, copyright)
+void build() {
+  Pub.build();
+}
+
+@Task()
+void clean() => defaultClean();
+
+@Task()
+void generate() {
+  Pub.run('build_runner', arguments: ['build']);
+}
+
+const _copyright =
+    '''// Copyright 2020, the Flutter project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.''';
+
+@Task()
+Future copyright() async {
+  var files = <File>[];
+  await for (var file in _filesWithoutCopyright()) {
+    files.add(file);
+  }
+
+  if (files.isNotEmpty) {
+    log('Found Dart files without a copyright header:');
+    for (var file in files) {
+      log(file.toString());
+    }
+    fail('run "grind fix-copyright" to add copyright headers');
+  }
+}
+
+@Task()
+Future fixCopyright() async {
+  await for (var file in _filesWithoutCopyright()) {
+    var contents = await file.readAsString();
+    await file.writeAsString(_copyright + '\n\n' + contents);
+  }
+}
+
+Stream<File> _filesWithoutCopyright() async* {
+  var set = FileSet.fromDir(Directory('.'), recurse: true);
+  var dartFiles =
+      set.files.where((file) => path.extension(file.path) == '.dart');
+
+  for (var file in dartFiles) {
+    var firstThreeLines = await file
+        .openRead()
+        .transform(utf8.decoder)
+        .transform(LineSplitter())
+        .take(3)
+        .fold<String>('', (previous, element) {
+      if (previous == '') return element;
+      return previous + '\n' + element;
+    });
+
+    if (firstThreeLines != _copyright) {
+      yield file;
+    }
+  }
+}

experimental/web_dashboard/web/firebase_init.js

@@ -0,0 +1,12 @@
+// Your web app's Firebase configuration
+var firebaseConfig = {
+    apiKey: "",
+    authDomain: "",
+    databaseURL: "",
+    projectId: "<YOUR_PROJECT_ID>",
+    storageBucket: "",
+    messagingSenderId: "",
+    appId: ""
+};
+// Initialize Firebase
+firebase.initializeApp(firebaseConfig);

experimental/web_dashboard/web/index.html

@@ -13,6 +13,15 @@
 
   <title>web_dashboard</title>
   <link rel="manifest" href="/manifest.json">
+
+  <!-- Firebase Setup -->
+  <script src="https://www.gstatic.com/firebasejs/7.2.0/firebase-app.js"></script>
+  <script src="https://www.gstatic.com/firebasejs/7.2.0/firebase-auth.js"></script>
+  <script src="https://www.gstatic.com/firebasejs/7.2.0/firebase-firestore.js"></script>
+  <script src="firebase_init.js"></script>
+
+  <!-- Uncomment and add Firebase client ID here: -->
+  <!-- <meta name="google-signin-client_id" content="<YOUR WEB CLIENT ID>"> -->
 </head>
 <body>
   <!-- This script installs service_worker.js to provide PWA functionality to

material_theme_builder/test/widget_test.dart

@@ -0,0 +1,11 @@
+// Copyright 2019 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  testWidgets('Empty test', (tester) async {
+    expect(1, 1);
+  });
+}