Implement Equatable

analysis_options.yaml

@@ -5,9 +5,14 @@ include: package:effective_dart/analysis_options.yaml
 
 # For lint rules and documentation, see http://dart-lang.github.io/linter/lints.
 # Uncomment to specify additional rules.
-# linter:
-#   rules:
-#     - camel_case_types
+linter:
+   rules:
+     - valid_regexps
+     - prefer_const_constructors
+     - prefer_const_declarations
+     - prefer_const_literals_to_create_immutables
+     - prefer_constructors_over_static_methods
+     - prefer_contains
 
 analyzer:
 #   exclude:

lib/src/models/audio_stream_info.dart

@@ -9,7 +9,10 @@ class AudioStreamInfo extends MediaStreamInfo {
   final AudioEncoding audioEncoding;
 
   /// Initializes an instance of [AudioStreamInfo]
-  const AudioStreamInfo(int tag, Uri url, Container container, int size,
-      this.bitrate, this.audioEncoding)
+  AudioStreamInfo(int tag, Uri url, Container container, int size, this.bitrate,
+      this.audioEncoding)
       : super(tag, url, container, size);
+
+  @override
+  List<Object> get props => super.props..addAll([bitrate, audioEncoding]);
 }

lib/src/models/channel.dart

@@ -1,5 +1,7 @@
+import 'package:equatable/equatable.dart';
+
 /// Information about a YouTube channel.
-class Channel {
+class Channel extends Equatable {
   /// ID of this channel.
   final String id;
 
@@ -10,5 +12,8 @@ class Channel {
   final Uri logoUrl;
 
   /// Initializes an instance of [Channel]
-  Channel(this.id, this.title, this.logoUrl);
+  const Channel(this.id, this.title, this.logoUrl);
+
+  @override
+  List<Object> get props => [id, title, logoUrl];
 }

lib/src/models/closed_caption.dart

@@ -1,5 +1,8 @@
-/// Text that gets displayed at specific time during video playback, as part of a <see cref="ClosedCaptionTrack"/>.
-class ClosedCaption {
+import 'package:equatable/equatable.dart';
+
+/// Text that gets displayed at specific time during video playback,
+/// as part of a [ClosedCaptionTrack]
+class ClosedCaption extends Equatable {
   /// Text displayed by this caption.
   final String text;
 
@@ -21,4 +24,7 @@ class ClosedCaption {
 
   @override
   String toString() => 'Caption: $text ($offset - $end)';
+
+  @override
+  List<Object> get props => [text, offset, duration];
 }

lib/src/models/closed_caption_track.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Set of captions that get displayed during video playback.
-class ClosedCaptionTrack {
+class ClosedCaptionTrack extends Equatable {
   /// Metadata associated with this track.
   final ClosedCaptionTrackInfo info;
 
@@ -10,4 +12,7 @@ class ClosedCaptionTrack {
 
   /// Initializes an instance of [ClosedCaptionTrack]
   const ClosedCaptionTrack(this.info, this.captions);
+
+  @override
+  List<Object> get props => [info, captions];
 }

lib/src/models/closed_caption_track_info.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Metadata associated with a certain [ClosedCaptionTrack]
-class ClosedCaptionTrackInfo {
+class ClosedCaptionTrackInfo extends Equatable {
   /// Manifest URL of the associated track.
   final Uri url;
 
@@ -13,4 +15,7 @@ class ClosedCaptionTrackInfo {
 
   /// Initializes an instance of [ClosedCaptionTrackInfo]
   const ClosedCaptionTrackInfo(this.url, this.language, {this.isAutoGenerated});
+
+  @override
+  List<Object> get props => [url, language, isAutoGenerated];
 }

lib/src/models/language.dart

@@ -1,5 +1,7 @@
+import 'package:equatable/equatable.dart';
+
 /// Language information.
-class Language {
+class Language extends Equatable {
   /// ISO 639-1 code of this language.
   final String code;
 
@@ -8,4 +10,7 @@ class Language {
 
   /// Initializes an instance of [Language]
   const Language(this.code, this.name);
+
+  @override
+  List<Object> get props => [code, name];
 }

lib/src/models/media_stream_info.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Metadata associated with a certain [MediaStream]
-class MediaStreamInfo {
+class MediaStreamInfo extends Equatable {
   /// Unique tag that identifies the properties of the associated stream.
   final int itag;
 
@@ -19,4 +21,7 @@ class MediaStreamInfo {
 
   @override
   String toString() => '$itag ($container)';
+
+  @override
+  List<Object> get props => [itag, url, container, size];
 }

lib/src/models/media_stream_info_set.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Set of all available media stream infos.
-class MediaStreamInfoSet {
+class MediaStreamInfoSet extends Equatable {
   /// Muxed streams.
   final List<MuxedStreamInfo> muxed;
 
@@ -25,4 +27,8 @@ class MediaStreamInfoSet {
   /// Initializes an instance of [MediaStreamInfoSet].
   const MediaStreamInfoSet(this.muxed, this.audio, this.video,
       this.hlsLiveStreamUrl, this.videoDetails, this.validUntil);
+
+  @override
+  List<Object> get props =>
+      [muxed, audio, video, hlsLiveStreamUrl, videoDetails, validUntil];
 }

lib/src/models/muxed_stream_info.dart

@@ -20,7 +20,7 @@ class MuxedStreamInfo extends MediaStreamInfo {
 
   /// Initializes an instance of [MuxedStreamInfo]
   const MuxedStreamInfo(
-      int tag,
+      int itag,
       Uri url,
       Container container,
       int size,
@@ -29,5 +29,15 @@ class MuxedStreamInfo extends MediaStreamInfo {
       this.videoQualityLabel,
       this.videoQuality,
       this.videoResolution)
-      : super(tag, url, container, size);
+      : super(itag, url, container, size);
+
+  @override
+  List<Object> get props => super.props
+    ..addAll([
+      audioEncoding,
+      videoEncoding,
+      videoQualityLabel,
+      videoQuality,
+      videoResolution
+    ]);
 }

lib/src/models/player_configuration.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Player configuration.
-class PlayerConfiguration {
+class PlayerConfiguration extends Equatable {
   /// Player source url.
   final String playerSourceUrl;
 
@@ -40,4 +42,17 @@ class PlayerConfiguration {
       this.adaptiveStreamInfosJson,
       this.video,
       this.validUntil);
+
+  @override
+  List<Object> get props => [
+        playerSourceUrl,
+        dashManifestUrl,
+        hlsManifestUrl,
+        muxedStreamInfosUrlEncoded,
+        adaptiveStreamInfosUrlEncoded,
+        muxedStreamInfoJson,
+        adaptiveStreamInfosJson,
+        video,
+        validUntil
+      ];
 }

lib/src/models/playlist.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Information about a YouTube playlist.
-class Playlist {
+class Playlist extends Equatable {
   /// ID of this playlist.
   final String id;
 
@@ -26,4 +28,8 @@ class Playlist {
   /// Initializes an instance of [Playlist]
   Playlist(this.id, this.author, this.title, this.type, this.description,
       this.statistics, this.videos);
+
+  @override
+  List<Object> get props =>
+      [id, author, title, type, description, statistics, videos];
 }

lib/src/models/statistics.dart

@@ -1,5 +1,7 @@
+import 'package:equatable/equatable.dart';
+
 /// User activity statistics.
-class Statistics {
+class Statistics extends Equatable {
   /// View count.
   final int viewCount;
 
@@ -9,7 +11,7 @@ class Statistics {
   /// Dislike count.
   final int dislikeCount;
 
-  /// Initializes an instance of <see cref="Statistics"/>.
+  /// Initializes an instance of [Statistics]
   const Statistics(this.viewCount, this.likeCount, this.dislikeCount);
 
   /// Average user rating in stars (1 star to 5 stars).
@@ -19,4 +21,7 @@ class Statistics {
     }
     return 1 + 4.0 * likeCount / (likeCount + dislikeCount);
   }
+
+  @override
+  List<Object> get props => [viewCount, likeCount, dislikeCount];
 }

lib/src/models/thumbnail_set.dart

@@ -1,5 +1,7 @@
+import 'package:equatable/equatable.dart';
+
 /// Set of thumbnails for a video.
-class ThumbnailSet {
+class ThumbnailSet extends Equatable {
   /// Video id.
   final String videoId;
 
@@ -25,4 +27,7 @@ class ThumbnailSet {
   /// Not always available.
   String get maxResUrl =>
       'https://img.youtube.com/vi/$videoId/maxresdefault.jpg';
+
+  @override
+  List<Object> get props => [videoId];
 }

lib/src/models/video.dart

@@ -1,7 +1,9 @@
+import 'package:equatable/equatable.dart';
+
 import 'models.dart';
 
 /// Information about a YouTube video.
-class Video {
+class Video extends Equatable {
   /// ID of this video.
   final String id;
 
@@ -43,4 +45,17 @@ class Video {
 
   @override
   String toString() => 'Video($id): $title';
+
+  @override
+  List<Object> get props => [
+        id,
+        author,
+        uploadDate,
+        title,
+        description,
+        thumbnailSet,
+        duration,
+        keyWords,
+        statistics
+      ];
 }

lib/src/models/video_resolution.dart

@@ -1,5 +1,7 @@
+import 'package:equatable/equatable.dart';
+
 /// Width and height of a video.
-class VideoResolution {
+class VideoResolution extends Equatable{
   /// Viewport width.
   final int width;
 
@@ -11,4 +13,7 @@ class VideoResolution {
 
   @override
   String toString() => '${width}x$height';
+
+  @override
+  List<Object> get props => [width, height];
 }

lib/src/models/video_stream_info.dart

@@ -22,7 +22,7 @@ class VideoStreamInfo extends MediaStreamInfo {
 
   /// Initializes an instance of [VideoStreamInfo]
   const VideoStreamInfo(
-      int tag,
+      int itag,
       Uri url,
       Container container,
       int size,
@@ -32,5 +32,16 @@ class VideoStreamInfo extends MediaStreamInfo {
       this.videoQuality,
       this.videoResolution,
       this.framerate)
-      : super(tag, url, container, size);
+      : super(itag, url, container, size);
+
+  @override
+  List<Object> get props => super.props
+    ..addAll([
+      bitrate,
+      videoEncoding,
+      videoQualityLabel,
+      videoQuality,
+      videoResolution,
+      framerate
+    ]);
 }

pubspec.yaml

@@ -11,6 +11,7 @@ dependencies:
   http: ^0.12.0+4
   http_parser: ^3.1.3
   xml: ^3.7.0
+  equatable: ^1.1.0
 
 dev_dependencies:
   effective_dart: ^1.2.1