feat: Integrate the AniList API since Jikan is shutting down

lib/src/service/anilist/model.dart

@@ -0,0 +1,82 @@
+import 'package:anitrack/src/service/anilist/helpers.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+part 'model.freezed.dart';
+
+@freezed
+abstract class AnimeSearchResult with _$AnimeSearchResult {
+  const factory AnimeSearchResult({
+    required String title,
+    required String id,
+    required int? episodes,
+    required String imageUrl,
+    required String? description,
+    required bool isAiring,
+    required String? broadcastDay,
+  }) = _AnimeSearchResult;
+
+  factory AnimeSearchResult.fromJson(Map<String, Object?> json) {
+    final airingDayOfTheWeek = json['nextAiringEpisode'] == null
+        ? null
+        : getAiringDay(
+            (json['nextAiringEpisode']! as Map<String, dynamic>)['airingAt']!
+                as int,
+          );
+    return AnimeSearchResult(
+      title: (json['title']! as Map<String, dynamic>)['romaji']! as String,
+      id: (json['id']! as int).toString(),
+      episodes: json['episodes'] as int?,
+      imageUrl:
+          (json['coverImage']! as Map<String, dynamic>)['medium']! as String,
+      description: json['description'] as String?,
+      isAiring: json['status'] == 'RELEASING',
+      broadcastDay: airingDayOfTheWeek,
+    );
+  }
+}
+
+@freezed
+abstract class MangaSearchResult with _$MangaSearchResult {
+  const factory MangaSearchResult({
+    required String title,
+    required String id,
+    required int? chapters,
+    required String imageUrl,
+    required String? description,
+  }) = _MangaSearchResult;
+
+  factory MangaSearchResult.fromJson(Map<String, Object?> json) {
+    return MangaSearchResult(
+      title: (json['title']! as Map<String, dynamic>)['romaji']! as String,
+      id: (json['id']! as int).toString(),
+      chapters: json['chapters'] as int?,
+      imageUrl:
+          (json['coverImage']! as Map<String, dynamic>)['medium']! as String,
+      description: json['description'] as String?,
+    );
+  }
+}
+
+@freezed
+abstract class Anime with _$Anime {
+  const factory Anime({
+    required String title,
+    required bool isAiring,
+    required String? broadcastDay,
+  }) = _Anime;
+
+  factory Anime.fromJson(Map<String, Object?> json) {
+    final airingDayOfTheWeek = json['nextAiringEpisode'] == null
+        ? null
+        : getAiringDay(
+            (json['nextAiringEpisode']! as Map<String, dynamic>)['airingAt']!
+                as int,
+          );
+
+    return Anime(
+      title: (json['title']! as Map<String, dynamic>)['romaji']! as String,
+      isAiring: json['status'] == 'RELEASING',
+      broadcastDay: airingDayOfTheWeek,
+    );
+  }
+}