mirror of
https://github.com/Iconica-Development/flutter_timeline.git
synced 2025-05-19 02:23:46 +02:00
fix: Made parameters nullable
This commit is contained in:
Jacques
parent
d0b4db1eb0
commit
179841f930
9 changed files with 537 additions and 446 deletions
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@ -40,7 +40,7 @@ List<GoRoute> getTimelineStoryRoutes() => getTimelineStoryRoutes(
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service: FirebaseTimelineService(),
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userService: FirebaseUserService(),
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userId: currentUserId,
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optionsBuilder: (context) {},
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optionsBuilder: (context) => FirebaseOptions(),
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),
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);
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```
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@ -79,13 +79,12 @@ TimelineScreen(
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userId: currentUserId,
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service: timelineService,
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options: timelineOptions,
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onPostTap: (post) {}
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),
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````
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`TimelineScreen` is supplied with a standard `TimelinePostScreen` which opens the detail page of the selected post. Needed parameter like `TimelineService` and `TimelineOptions` will be the same as the ones supplied to the `TimelineScreen`.
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The standard `TimelinePostScreen` can be overridden by supplying `onPostTap` as shown below.
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The standard `TimelinePostScreen` can be overridden by defining `onPostTap` as shown below.
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```
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TimelineScreen(
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@ -4,7 +4,7 @@ import 'package:flutter_timeline/flutter_timeline.dart';
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import 'package:go_router/go_router.dart';
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List<GoRoute> getTimelineRoutes() => getTimelineStoryRoutes(
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getConfig(TimelineService(
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configuration: getConfig(TimelineService(
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postService: LocalTimelinePostService(),
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)),
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);
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@ -31,8 +31,7 @@ class MyHomePage extends StatefulWidget {
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}
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class _MyHomePageState extends State<MyHomePage> {
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var timelineService =
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TimelineService(postService: LocalTimelinePostService());
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var timelineService = TimelineService(postService: LocalTimelinePostService());
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var timelineOptions = options;
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@override
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@ -32,8 +32,7 @@ class MyHomePage extends StatefulWidget {
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}
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class _MyHomePageState extends State<MyHomePage> {
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var timelineService =
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TimelineService(postService: LocalTimelinePostService());
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var timelineService = TimelineService(postService: LocalTimelinePostService());
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var timelineOptions = options;
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@override
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@ -5,47 +5,80 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_timeline/flutter_timeline.dart';
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Widget timeLineNavigatorUserStory(
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TimelineUserStoryConfiguration configuration,
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BuildContext context,
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) =>
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_timelineScreenRoute(configuration, context);
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Widget timeLineNavigatorUserStory({
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required BuildContext context,
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TimelineUserStoryConfiguration? configuration,
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}) {
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var config = configuration ??
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TimelineUserStoryConfiguration(
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userId: 'test_user',
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service: TimelineService(
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postService: LocalTimelinePostService(),
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),
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optionsBuilder: (context) => const TimelineOptions(),
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);
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Widget _timelineScreenRoute(
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TimelineUserStoryConfiguration configuration,
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BuildContext context,
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) =>
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TimelineScreen(
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service: configuration.service,
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options: configuration.optionsBuilder(context),
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userId: configuration.userId,
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return _timelineScreenRoute(configuration: config, context: context);
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}
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Widget _timelineScreenRoute({
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required BuildContext context,
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TimelineUserStoryConfiguration? configuration,
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}) {
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var config = configuration ??
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TimelineUserStoryConfiguration(
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userId: 'test_user',
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service: TimelineService(
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postService: LocalTimelinePostService(),
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),
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optionsBuilder: (context) => const TimelineOptions(),
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);
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return TimelineScreen(
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service: config.service,
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options: config.optionsBuilder(context),
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userId: config.userId,
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onPostTap: (post) async =>
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configuration.onPostTap?.call(context, post) ??
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config.onPostTap?.call(context, post) ??
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Navigator.of(context).push(
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MaterialPageRoute(
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builder: (context) =>
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_postDetailScreenRoute(configuration, context, post),
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builder: (context) => _postDetailScreenRoute(
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configuration: config,
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context: context,
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post: post,
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),
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),
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),
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onUserTap: (userId) {
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configuration.onUserTap?.call(context, userId);
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config.onUserTap?.call(context, userId);
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},
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filterEnabled: configuration.filterEnabled,
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postWidgetBuilder: configuration.postWidgetBuilder,
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filterEnabled: config.filterEnabled,
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postWidgetBuilder: config.postWidgetBuilder,
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);
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}
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Widget _postDetailScreenRoute({
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required BuildContext context,
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required TimelinePost post,
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TimelineUserStoryConfiguration? configuration,
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}) {
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var config = configuration ??
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TimelineUserStoryConfiguration(
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userId: 'test_user',
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service: TimelineService(
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postService: LocalTimelinePostService(),
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),
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optionsBuilder: (context) => const TimelineOptions(),
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);
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Widget _postDetailScreenRoute(
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TimelineUserStoryConfiguration configuration,
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BuildContext context,
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TimelinePost post,
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) =>
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TimelinePostScreen(
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userId: configuration.userId,
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service: configuration.service,
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options: configuration.optionsBuilder(context),
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return TimelinePostScreen(
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userId: config.userId,
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service: config.service,
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options: config.optionsBuilder(context),
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post: post,
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onPostDelete: () async {
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configuration.onPostDelete?.call(context, post) ??
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await configuration.service.postService.deletePost(post);
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config.onPostDelete?.call(context, post) ??
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await config.service.postService.deletePost(post);
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},
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);
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}
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@ -3,37 +3,43 @@
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// SPDX-License-Identifier: BSD-3-Clause
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import 'package:flutter/material.dart';
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import 'package:flutter_timeline/flutter_timeline.dart';
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import 'package:flutter_timeline/src/go_router.dart';
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import 'package:flutter_timeline/src/models/timeline_configuration.dart';
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import 'package:flutter_timeline/src/routes.dart';
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import 'package:flutter_timeline_view/flutter_timeline_view.dart';
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import 'package:go_router/go_router.dart';
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List<GoRoute> getTimelineStoryRoutes(
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TimelineUserStoryConfiguration configuration,
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) =>
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<GoRoute>[
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List<GoRoute> getTimelineStoryRoutes({
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TimelineUserStoryConfiguration? configuration,
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}) {
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var config = configuration ??= TimelineUserStoryConfiguration(
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userId: 'test_user',
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service: TimelineService(
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postService: LocalTimelinePostService(),
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),
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optionsBuilder: (context) => const TimelineOptions(),
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);
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return <GoRoute>[
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GoRoute(
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path: TimelineUserStoryRoutes.timelineHome,
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pageBuilder: (context, state) {
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var timelineScreen = TimelineScreen(
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userId: configuration.userId,
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onUserTap: (user) => configuration.onUserTap?.call(context, user),
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service: configuration.service,
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options: configuration.optionsBuilder(context),
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userId: config.userId,
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onUserTap: (user) => config.onUserTap?.call(context, user),
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service: config.service,
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options: config.optionsBuilder(context),
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onPostTap: (post) async =>
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configuration.onPostTap?.call(context, post) ??
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config.onPostTap?.call(context, post) ??
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await context.push(
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TimelineUserStoryRoutes.timelineViewPath(post.id),
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),
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filterEnabled: configuration.filterEnabled,
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postWidgetBuilder: configuration.postWidgetBuilder,
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filterEnabled: config.filterEnabled,
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postWidgetBuilder: config.postWidgetBuilder,
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);
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return buildScreenWithoutTransition(
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context: context,
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state: state,
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child: configuration.openPageBuilder?.call(
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child: config.openPageBuilder?.call(
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context,
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timelineScreen,
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) ??
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@ -46,22 +52,22 @@ List<GoRoute> getTimelineStoryRoutes(
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GoRoute(
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path: TimelineUserStoryRoutes.timelineView,
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pageBuilder: (context, state) {
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var post = configuration.service.postService
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.getPost(state.pathParameters['post']!)!;
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var post =
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config.service.postService.getPost(state.pathParameters['post']!)!;
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var timelinePostWidget = TimelinePostScreen(
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userId: configuration.userId,
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options: configuration.optionsBuilder(context),
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service: configuration.service,
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userId: config.userId,
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options: config.optionsBuilder(context),
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service: config.service,
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post: post,
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onPostDelete: () => configuration.onPostDelete?.call(context, post),
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onUserTap: (user) => configuration.onUserTap?.call(context, user),
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onPostDelete: () => config.onPostDelete?.call(context, post),
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onUserTap: (user) => config.onUserTap?.call(context, user),
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);
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return buildScreenWithoutTransition(
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context: context,
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state: state,
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child: configuration.openPageBuilder?.call(
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child: config.openPageBuilder?.call(
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context,
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timelinePostWidget,
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) ??
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@ -72,3 +78,4 @@ List<GoRoute> getTimelineStoryRoutes(
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},
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),
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];
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}
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@ -6,5 +6,5 @@
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library flutter_timeline_firebase;
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export 'src/config/firebase_timeline_options.dart';
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export 'src/service/firebase_timeline_service.dart';
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export 'src/service/firebase_post_service.dart';
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export 'src/service/firebase_user_service.dart';
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@ -0,0 +1,352 @@
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// SPDX-FileCopyrightText: 2023 Iconica
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//
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// SPDX-License-Identifier: BSD-3-Clause
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import 'dart:typed_data';
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:firebase_core/firebase_core.dart';
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import 'package:firebase_storage/firebase_storage.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_timeline_firebase/src/config/firebase_timeline_options.dart';
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import 'package:flutter_timeline_firebase/src/models/firebase_user_document.dart';
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import 'package:flutter_timeline_interface/flutter_timeline_interface.dart';
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import 'package:uuid/uuid.dart';
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class FirebaseTimelinePostService extends TimelinePostService
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with TimelineUserService {
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FirebaseTimelinePostService({
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required TimelineUserService userService,
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FirebaseApp? app,
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options = const FirebaseTimelineOptions(),
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}) {
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var appInstance = app ?? Firebase.app();
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_db = FirebaseFirestore.instanceFor(app: appInstance);
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_storage = FirebaseStorage.instanceFor(app: appInstance);
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_userService = userService;
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_options = options;
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}
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late FirebaseFirestore _db;
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late FirebaseStorage _storage;
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late TimelineUserService _userService;
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late FirebaseTimelineOptions _options;
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final Map<String, TimelinePosterUserModel> _users = {};
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@override
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Future<TimelinePost> createPost(TimelinePost post) async {
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var postId = const Uuid().v4();
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var user = await _userService.getUser(post.creatorId);
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var updatedPost = post.copyWith(id: postId, creator: user);
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if (post.image != null) {
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var imageRef =
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_storage.ref().child('${_options.timelineCollectionName}/$postId');
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var result = await imageRef.putData(post.image!);
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var imageUrl = await result.ref.getDownloadURL();
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updatedPost = updatedPost.copyWith(imageUrl: imageUrl);
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}
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var postRef =
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_db.collection(_options.timelineCollectionName).doc(updatedPost.id);
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await postRef.set(updatedPost.toJson());
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posts.add(updatedPost);
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notifyListeners();
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return updatedPost;
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}
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@override
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Future<void> deletePost(TimelinePost post) async {
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posts = posts.where((element) => element.id != post.id).toList();
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var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
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await postRef.delete();
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notifyListeners();
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}
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@override
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Future<TimelinePost> deletePostReaction(
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TimelinePost post,
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String reactionId,
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) async {
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if (post.reactions != null && post.reactions!.isNotEmpty) {
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var reaction =
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post.reactions!.firstWhere((element) => element.id == reactionId);
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var updatedPost = post.copyWith(
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reaction: post.reaction - 1,
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reactions: (post.reactions ?? [])..remove(reaction),
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);
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posts = posts
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.map(
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(p) => p.id == post.id ? updatedPost : p,
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)
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.toList();
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var postRef =
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_db.collection(_options.timelineCollectionName).doc(post.id);
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await postRef.update({
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'reaction': FieldValue.increment(-1),
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'reactions': FieldValue.arrayRemove(
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[reaction.toJsonWithMicroseconds()],
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),
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});
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notifyListeners();
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return updatedPost;
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}
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return post;
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}
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@override
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Future<TimelinePost> fetchPostDetails(TimelinePost post) async {
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var reactions = post.reactions ?? [];
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var updatedReactions = <TimelinePostReaction>[];
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for (var reaction in reactions) {
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var user = await _userService.getUser(reaction.creatorId);
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if (user != null) {
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updatedReactions.add(reaction.copyWith(creator: user));
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}
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}
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var updatedPost = post.copyWith(reactions: updatedReactions);
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posts = posts.map((p) => (p.id == post.id) ? updatedPost : p).toList();
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notifyListeners();
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return updatedPost;
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}
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@override
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Future<List<TimelinePost>> fetchPosts(String? category) async {
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debugPrint('fetching posts from firebase with category: $category');
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var snapshot = (category != null)
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? await _db
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.collection(_options.timelineCollectionName)
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.where('category', isEqualTo: category)
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.get()
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: await _db.collection(_options.timelineCollectionName).get();
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var posts = <TimelinePost>[];
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for (var doc in snapshot.docs) {
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var data = doc.data();
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var user = await _userService.getUser(data['creator_id']);
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var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
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posts.add(post);
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}
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notifyListeners();
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return posts;
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}
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@override
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Future<List<TimelinePost>> fetchPostsPaginated(
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String? category,
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int limit,
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) async {
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// only take posts that are in our category
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var oldestPost = posts
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.where(
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(element) => category == null || element.category == category,
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)
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.fold(
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posts.first,
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(previousValue, element) =>
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(previousValue.createdAt.isBefore(element.createdAt))
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? previousValue
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: element,
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);
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var snapshot = (category != null)
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? await _db
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.collection(_options.timelineCollectionName)
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.where('category', isEqualTo: category)
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.orderBy('created_at', descending: true)
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.startAfter([oldestPost])
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.limit(limit)
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.get()
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: await _db
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.collection(_options.timelineCollectionName)
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.orderBy('created_at', descending: true)
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.startAfter([oldestPost.createdAt])
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.limit(limit)
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.get();
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// add the new posts to the list
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var newPosts = <TimelinePost>[];
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for (var doc in snapshot.docs) {
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var data = doc.data();
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var user = await _userService.getUser(data['creator_id']);
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var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
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newPosts.add(post);
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}
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posts = [...posts, ...newPosts];
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notifyListeners();
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return newPosts;
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}
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@override
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Future<TimelinePost> fetchPost(TimelinePost post) async {
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var doc = await _db
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.collection(_options.timelineCollectionName)
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.doc(post.id)
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.get();
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var data = doc.data();
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if (data == null) return post;
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var user = await _userService.getUser(data['creator_id']);
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var updatedPost = TimelinePost.fromJson(doc.id, data).copyWith(
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creator: user,
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);
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posts = posts.map((p) => (p.id == post.id) ? updatedPost : p).toList();
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notifyListeners();
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return updatedPost;
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}
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@override
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Future<List<TimelinePost>> refreshPosts(String? category) async {
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// fetch all posts between now and the newest posts we have
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var newestPostWeHave = posts
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.where(
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(element) => category == null || element.category == category,
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)
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.fold(
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posts.first,
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(previousValue, element) =>
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(previousValue.createdAt.isAfter(element.createdAt))
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? previousValue
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: element,
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||||
);
|
||||
var snapshot = (category != null)
|
||||
? await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.where('category', isEqualTo: category)
|
||||
.orderBy('created_at', descending: true)
|
||||
.endBefore([newestPostWeHave.createdAt]).get()
|
||||
: await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.orderBy('created_at', descending: true)
|
||||
.endBefore([newestPostWeHave.createdAt]).get();
|
||||
// add the new posts to the list
|
||||
var newPosts = <TimelinePost>[];
|
||||
for (var doc in snapshot.docs) {
|
||||
var data = doc.data();
|
||||
var user = await _userService.getUser(data['creator_id']);
|
||||
var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
|
||||
newPosts.add(post);
|
||||
}
|
||||
posts = [...posts, ...newPosts];
|
||||
notifyListeners();
|
||||
return newPosts;
|
||||
}
|
||||
|
||||
@override
|
||||
TimelinePost? getPost(String postId) =>
|
||||
(posts.any((element) => element.id == postId))
|
||||
? posts.firstWhere((element) => element.id == postId)
|
||||
: null;
|
||||
|
||||
@override
|
||||
List<TimelinePost> getPosts(String? category) => posts
|
||||
.where((element) => category == null || element.category == category)
|
||||
.toList();
|
||||
|
||||
@override
|
||||
Future<TimelinePost> likePost(String userId, TimelinePost post) async {
|
||||
// update the post with the new like
|
||||
var updatedPost = post.copyWith(
|
||||
likes: post.likes + 1,
|
||||
likedBy: post.likedBy?..add(userId),
|
||||
);
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'likes': FieldValue.increment(1),
|
||||
'liked_by': FieldValue.arrayUnion([userId]),
|
||||
});
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> unlikePost(String userId, TimelinePost post) async {
|
||||
// update the post with the new like
|
||||
var updatedPost = post.copyWith(
|
||||
likes: post.likes - 1,
|
||||
likedBy: post.likedBy?..remove(userId),
|
||||
);
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'likes': FieldValue.increment(-1),
|
||||
'liked_by': FieldValue.arrayRemove([userId]),
|
||||
});
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> reactToPost(
|
||||
TimelinePost post,
|
||||
TimelinePostReaction reaction, {
|
||||
Uint8List? image,
|
||||
}) async {
|
||||
var reactionId = const Uuid().v4();
|
||||
// also fetch the user information and add it to the reaction
|
||||
var user = await _userService.getUser(reaction.creatorId);
|
||||
var updatedReaction = reaction.copyWith(id: reactionId, creator: user);
|
||||
if (image != null) {
|
||||
var imageRef = _storage
|
||||
.ref()
|
||||
.child('${_options.timelineCollectionName}/${post.id}/$reactionId}');
|
||||
var result = await imageRef.putData(image);
|
||||
var imageUrl = await result.ref.getDownloadURL();
|
||||
updatedReaction = updatedReaction.copyWith(imageUrl: imageUrl);
|
||||
}
|
||||
|
||||
var updatedPost = post.copyWith(
|
||||
reaction: post.reaction + 1,
|
||||
reactions: post.reactions?..add(updatedReaction),
|
||||
);
|
||||
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'reaction': FieldValue.increment(1),
|
||||
'reactions': FieldValue.arrayUnion([updatedReaction.toJson()]),
|
||||
});
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
CollectionReference<FirebaseUserDocument> get _userCollection => _db
|
||||
.collection(_options.usersCollectionName)
|
||||
.withConverter<FirebaseUserDocument>(
|
||||
fromFirestore: (snapshot, _) => FirebaseUserDocument.fromJson(
|
||||
snapshot.data()!,
|
||||
snapshot.id,
|
||||
),
|
||||
toFirestore: (user, _) => user.toJson(),
|
||||
);
|
||||
@override
|
||||
Future<TimelinePosterUserModel?> getUser(String userId) async {
|
||||
if (_users.containsKey(userId)) {
|
||||
return _users[userId]!;
|
||||
}
|
||||
var data = (await _userCollection.doc(userId).get()).data();
|
||||
|
||||
var user = data == null
|
||||
? TimelinePosterUserModel(userId: userId)
|
||||
: TimelinePosterUserModel(
|
||||
userId: userId,
|
||||
firstName: data.firstName,
|
||||
lastName: data.lastName,
|
||||
imageUrl: data.imageUrl,
|
||||
);
|
||||
|
||||
_users[userId] = user;
|
||||
|
||||
return user;
|
||||
}
|
||||
}
|
||||
|
|
@ -1,352 +1,54 @@
|
|||
// SPDX-FileCopyrightText: 2023 Iconica
|
||||
//
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
import 'dart:typed_data';
|
||||
|
||||
import 'package:cloud_firestore/cloud_firestore.dart';
|
||||
import 'package:firebase_core/firebase_core.dart';
|
||||
import 'package:firebase_storage/firebase_storage.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter_timeline_firebase/src/config/firebase_timeline_options.dart';
|
||||
import 'package:flutter_timeline_firebase/src/models/firebase_user_document.dart';
|
||||
import 'package:flutter_timeline_firebase/flutter_timeline_firebase.dart';
|
||||
import 'package:flutter_timeline_interface/flutter_timeline_interface.dart';
|
||||
import 'package:uuid/uuid.dart';
|
||||
|
||||
class FirebaseTimelineService extends TimelinePostService
|
||||
with TimelineUserService {
|
||||
class FirebaseTimelineService implements TimelineService {
|
||||
FirebaseTimelineService({
|
||||
required TimelineUserService userService,
|
||||
FirebaseApp? app,
|
||||
options = const FirebaseTimelineOptions(),
|
||||
this.options,
|
||||
this.app,
|
||||
this.firebasePostService,
|
||||
this.firebaseUserService,
|
||||
}) {
|
||||
var appInstance = app ?? Firebase.app();
|
||||
_db = FirebaseFirestore.instanceFor(app: appInstance);
|
||||
_storage = FirebaseStorage.instanceFor(app: appInstance);
|
||||
_userService = userService;
|
||||
_options = options;
|
||||
}
|
||||
|
||||
late FirebaseFirestore _db;
|
||||
late FirebaseStorage _storage;
|
||||
late TimelineUserService _userService;
|
||||
late FirebaseTimelineOptions _options;
|
||||
|
||||
final Map<String, TimelinePosterUserModel> _users = {};
|
||||
|
||||
@override
|
||||
Future<TimelinePost> createPost(TimelinePost post) async {
|
||||
var postId = const Uuid().v4();
|
||||
var user = await _userService.getUser(post.creatorId);
|
||||
var updatedPost = post.copyWith(id: postId, creator: user);
|
||||
if (post.image != null) {
|
||||
var imageRef =
|
||||
_storage.ref().child('${_options.timelineCollectionName}/$postId');
|
||||
var result = await imageRef.putData(post.image!);
|
||||
var imageUrl = await result.ref.getDownloadURL();
|
||||
updatedPost = updatedPost.copyWith(imageUrl: imageUrl);
|
||||
}
|
||||
var postRef =
|
||||
_db.collection(_options.timelineCollectionName).doc(updatedPost.id);
|
||||
await postRef.set(updatedPost.toJson());
|
||||
posts.add(updatedPost);
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<void> deletePost(TimelinePost post) async {
|
||||
posts = posts.where((element) => element.id != post.id).toList();
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.delete();
|
||||
notifyListeners();
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> deletePostReaction(
|
||||
TimelinePost post,
|
||||
String reactionId,
|
||||
) async {
|
||||
if (post.reactions != null && post.reactions!.isNotEmpty) {
|
||||
var reaction =
|
||||
post.reactions!.firstWhere((element) => element.id == reactionId);
|
||||
var updatedPost = post.copyWith(
|
||||
reaction: post.reaction - 1,
|
||||
reactions: (post.reactions ?? [])..remove(reaction),
|
||||
);
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
var postRef =
|
||||
_db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'reaction': FieldValue.increment(-1),
|
||||
'reactions': FieldValue.arrayRemove(
|
||||
[reaction.toJsonWithMicroseconds()],
|
||||
),
|
||||
});
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
return post;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> fetchPostDetails(TimelinePost post) async {
|
||||
var reactions = post.reactions ?? [];
|
||||
var updatedReactions = <TimelinePostReaction>[];
|
||||
for (var reaction in reactions) {
|
||||
var user = await _userService.getUser(reaction.creatorId);
|
||||
if (user != null) {
|
||||
updatedReactions.add(reaction.copyWith(creator: user));
|
||||
}
|
||||
}
|
||||
var updatedPost = post.copyWith(reactions: updatedReactions);
|
||||
posts = posts.map((p) => (p.id == post.id) ? updatedPost : p).toList();
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<List<TimelinePost>> fetchPosts(String? category) async {
|
||||
debugPrint('fetching posts from firebase with category: $category');
|
||||
var snapshot = (category != null)
|
||||
? await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.where('category', isEqualTo: category)
|
||||
.get()
|
||||
: await _db.collection(_options.timelineCollectionName).get();
|
||||
|
||||
var posts = <TimelinePost>[];
|
||||
for (var doc in snapshot.docs) {
|
||||
var data = doc.data();
|
||||
var user = await _userService.getUser(data['creator_id']);
|
||||
var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
|
||||
posts.add(post);
|
||||
}
|
||||
|
||||
notifyListeners();
|
||||
return posts;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<List<TimelinePost>> fetchPostsPaginated(
|
||||
String? category,
|
||||
int limit,
|
||||
) async {
|
||||
// only take posts that are in our category
|
||||
var oldestPost = posts
|
||||
.where(
|
||||
(element) => category == null || element.category == category,
|
||||
)
|
||||
.fold(
|
||||
posts.first,
|
||||
(previousValue, element) =>
|
||||
(previousValue.createdAt.isBefore(element.createdAt))
|
||||
? previousValue
|
||||
: element,
|
||||
);
|
||||
var snapshot = (category != null)
|
||||
? await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.where('category', isEqualTo: category)
|
||||
.orderBy('created_at', descending: true)
|
||||
.startAfter([oldestPost])
|
||||
.limit(limit)
|
||||
.get()
|
||||
: await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.orderBy('created_at', descending: true)
|
||||
.startAfter([oldestPost.createdAt])
|
||||
.limit(limit)
|
||||
.get();
|
||||
// add the new posts to the list
|
||||
var newPosts = <TimelinePost>[];
|
||||
for (var doc in snapshot.docs) {
|
||||
var data = doc.data();
|
||||
var user = await _userService.getUser(data['creator_id']);
|
||||
var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
|
||||
newPosts.add(post);
|
||||
}
|
||||
posts = [...posts, ...newPosts];
|
||||
notifyListeners();
|
||||
return newPosts;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> fetchPost(TimelinePost post) async {
|
||||
var doc = await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.doc(post.id)
|
||||
.get();
|
||||
var data = doc.data();
|
||||
if (data == null) return post;
|
||||
var user = await _userService.getUser(data['creator_id']);
|
||||
var updatedPost = TimelinePost.fromJson(doc.id, data).copyWith(
|
||||
creator: user,
|
||||
);
|
||||
posts = posts.map((p) => (p.id == post.id) ? updatedPost : p).toList();
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<List<TimelinePost>> refreshPosts(String? category) async {
|
||||
// fetch all posts between now and the newest posts we have
|
||||
var newestPostWeHave = posts
|
||||
.where(
|
||||
(element) => category == null || element.category == category,
|
||||
)
|
||||
.fold(
|
||||
posts.first,
|
||||
(previousValue, element) =>
|
||||
(previousValue.createdAt.isAfter(element.createdAt))
|
||||
? previousValue
|
||||
: element,
|
||||
);
|
||||
var snapshot = (category != null)
|
||||
? await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.where('category', isEqualTo: category)
|
||||
.orderBy('created_at', descending: true)
|
||||
.endBefore([newestPostWeHave.createdAt]).get()
|
||||
: await _db
|
||||
.collection(_options.timelineCollectionName)
|
||||
.orderBy('created_at', descending: true)
|
||||
.endBefore([newestPostWeHave.createdAt]).get();
|
||||
// add the new posts to the list
|
||||
var newPosts = <TimelinePost>[];
|
||||
for (var doc in snapshot.docs) {
|
||||
var data = doc.data();
|
||||
var user = await _userService.getUser(data['creator_id']);
|
||||
var post = TimelinePost.fromJson(doc.id, data).copyWith(creator: user);
|
||||
newPosts.add(post);
|
||||
}
|
||||
posts = [...posts, ...newPosts];
|
||||
notifyListeners();
|
||||
return newPosts;
|
||||
}
|
||||
|
||||
@override
|
||||
TimelinePost? getPost(String postId) =>
|
||||
(posts.any((element) => element.id == postId))
|
||||
? posts.firstWhere((element) => element.id == postId)
|
||||
: null;
|
||||
|
||||
@override
|
||||
List<TimelinePost> getPosts(String? category) => posts
|
||||
.where((element) => category == null || element.category == category)
|
||||
.toList();
|
||||
|
||||
@override
|
||||
Future<TimelinePost> likePost(String userId, TimelinePost post) async {
|
||||
// update the post with the new like
|
||||
var updatedPost = post.copyWith(
|
||||
likes: post.likes + 1,
|
||||
likedBy: post.likedBy?..add(userId),
|
||||
);
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'likes': FieldValue.increment(1),
|
||||
'liked_by': FieldValue.arrayUnion([userId]),
|
||||
});
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> unlikePost(String userId, TimelinePost post) async {
|
||||
// update the post with the new like
|
||||
var updatedPost = post.copyWith(
|
||||
likes: post.likes - 1,
|
||||
likedBy: post.likedBy?..remove(userId),
|
||||
);
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'likes': FieldValue.increment(-1),
|
||||
'liked_by': FieldValue.arrayRemove([userId]),
|
||||
});
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
}
|
||||
|
||||
@override
|
||||
Future<TimelinePost> reactToPost(
|
||||
TimelinePost post,
|
||||
TimelinePostReaction reaction, {
|
||||
Uint8List? image,
|
||||
}) async {
|
||||
var reactionId = const Uuid().v4();
|
||||
// also fetch the user information and add it to the reaction
|
||||
var user = await _userService.getUser(reaction.creatorId);
|
||||
var updatedReaction = reaction.copyWith(id: reactionId, creator: user);
|
||||
if (image != null) {
|
||||
var imageRef = _storage
|
||||
.ref()
|
||||
.child('${_options.timelineCollectionName}/${post.id}/$reactionId}');
|
||||
var result = await imageRef.putData(image);
|
||||
var imageUrl = await result.ref.getDownloadURL();
|
||||
updatedReaction = updatedReaction.copyWith(imageUrl: imageUrl);
|
||||
}
|
||||
|
||||
var updatedPost = post.copyWith(
|
||||
reaction: post.reaction + 1,
|
||||
reactions: post.reactions?..add(updatedReaction),
|
||||
firebaseUserService ??= FirebaseTimelinePostService(
|
||||
userService: userService,
|
||||
options: options,
|
||||
app: app,
|
||||
);
|
||||
|
||||
var postRef = _db.collection(_options.timelineCollectionName).doc(post.id);
|
||||
await postRef.update({
|
||||
'reaction': FieldValue.increment(1),
|
||||
'reactions': FieldValue.arrayUnion([updatedReaction.toJson()]),
|
||||
});
|
||||
posts = posts
|
||||
.map(
|
||||
(p) => p.id == post.id ? updatedPost : p,
|
||||
)
|
||||
.toList();
|
||||
notifyListeners();
|
||||
return updatedPost;
|
||||
firebasePostService ??= FirebaseTimelinePostService(
|
||||
userService: userService,
|
||||
options: options,
|
||||
app: app,
|
||||
);
|
||||
}
|
||||
|
||||
CollectionReference<FirebaseUserDocument> get _userCollection => _db
|
||||
.collection(_options.usersCollectionName)
|
||||
.withConverter<FirebaseUserDocument>(
|
||||
fromFirestore: (snapshot, _) => FirebaseUserDocument.fromJson(
|
||||
snapshot.data()!,
|
||||
snapshot.id,
|
||||
),
|
||||
toFirestore: (user, _) => user.toJson(),
|
||||
);
|
||||
final FirebaseTimelineOptions? options;
|
||||
final FirebaseApp? app;
|
||||
TimelinePostService? firebasePostService;
|
||||
TimelineUserService? firebaseUserService;
|
||||
|
||||
@override
|
||||
Future<TimelinePosterUserModel?> getUser(String userId) async {
|
||||
if (_users.containsKey(userId)) {
|
||||
return _users[userId]!;
|
||||
}
|
||||
var data = (await _userCollection.doc(userId).get()).data();
|
||||
|
||||
var user = data == null
|
||||
? TimelinePosterUserModel(userId: userId)
|
||||
: TimelinePosterUserModel(
|
||||
userId: userId,
|
||||
firstName: data.firstName,
|
||||
lastName: data.lastName,
|
||||
imageUrl: data.imageUrl,
|
||||
TimelinePostService get postService {
|
||||
if (firebasePostService != null) {
|
||||
return firebasePostService!;
|
||||
} else {
|
||||
return FirebaseTimelinePostService(
|
||||
userService: userService,
|
||||
options: options,
|
||||
app: app,
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
_users[userId] = user;
|
||||
|
||||
return user;
|
||||
@override
|
||||
TimelineUserService get userService {
|
||||
if (firebaseUserService != null) {
|
||||
return firebaseUserService!;
|
||||
} else {
|
||||
return FirebaseUserService(
|
||||
options: options,
|
||||
app: app,
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue