113 lines
3.8 KiB
Dart
113 lines
3.8 KiB
Dart
import '../utils/json_utils.dart';
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/// Represents an EPG program entry (what's on a channel at a given time)
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class LiveTvProgram {
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final String? key;
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final String? ratingKey;
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final String? guid;
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final String title;
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final String? summary;
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final String? type;
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final int? year;
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final int? beginsAt; // epoch seconds
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final int? endsAt; // epoch seconds
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final String? grandparentTitle; // series name for episodes
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final String? parentTitle; // season name
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final int? index; // episode number
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final int? parentIndex; // season number
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final String? thumb;
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final String? art;
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final String? channelIdentifier;
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final String? channelCallSign;
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final bool? live;
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final bool? premiere;
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LiveTvProgram({
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this.key,
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this.ratingKey,
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this.guid,
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required this.title,
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this.summary,
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this.type,
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this.year,
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this.beginsAt,
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this.endsAt,
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this.grandparentTitle,
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this.parentTitle,
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this.index,
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this.parentIndex,
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this.thumb,
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this.art,
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this.channelIdentifier,
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this.channelCallSign,
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this.live,
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this.premiere,
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});
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factory LiveTvProgram.fromJson(Map<String, dynamic> json) {
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// Grid endpoint nests timing/channel info inside Media[0] and Channel[0]
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final media = (json['Media'] as List?)?.firstOrNull as Map<String, dynamic>?;
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final channel = (json['Channel'] as List?)?.firstOrNull as Map<String, dynamic>?;
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return LiveTvProgram(
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key: json['key'] as String?,
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ratingKey: json['ratingKey'] as String?,
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guid: json['guid'] as String?,
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title: json['title'] as String? ?? 'Unknown Program',
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summary: json['summary'] as String?,
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type: json['type'] as String?,
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year: (json['year'] as num?)?.toInt(),
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beginsAt: (json['beginsAt'] as num?)?.toInt() ?? (media?['beginsAt'] as num?)?.toInt(),
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endsAt: (json['endsAt'] as num?)?.toInt() ?? (media?['endsAt'] as num?)?.toInt(),
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grandparentTitle: json['grandparentTitle'] as String?,
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parentTitle: json['parentTitle'] as String?,
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index: (json['index'] as num?)?.toInt(),
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parentIndex: (json['parentIndex'] as num?)?.toInt(),
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thumb: json['thumb'] as String? ?? json['grandparentThumb'] as String?,
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art: json['art'] as String?,
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channelIdentifier:
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json['channelIdentifier'] as String? ?? media?['channelIdentifier']?.toString() ?? channel?['id']?.toString(),
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channelCallSign: json['channelCallSign'] as String? ?? media?['channelCallSign'] as String?,
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live: flexibleBool(json['live']),
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premiere: flexibleBool(json['premiere']),
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);
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}
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/// Start time as DateTime
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DateTime? get startTime => beginsAt != null ? DateTime.fromMillisecondsSinceEpoch(beginsAt! * 1000) : null;
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/// End time as DateTime
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DateTime? get endTime => endsAt != null ? DateTime.fromMillisecondsSinceEpoch(endsAt! * 1000) : null;
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/// Duration in minutes
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int get durationMinutes {
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if (beginsAt == null || endsAt == null) return 0;
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return ((endsAt! - beginsAt!) / 60).round();
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}
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/// Whether this program is currently airing
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bool get isCurrentlyAiring {
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if (beginsAt == null || endsAt == null) return false;
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final now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
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return now >= beginsAt! && now < endsAt!;
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}
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/// Progress through the program (0.0 to 1.0)
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double get progress {
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if (beginsAt == null || endsAt == null) return 0.0;
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final now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
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if (now < beginsAt!) return 0.0;
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if (now >= endsAt!) return 1.0;
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return (now - beginsAt!) / (endsAt! - beginsAt!);
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}
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/// Display title including series info for episodes
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String get displayTitle {
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if (grandparentTitle != null && index != null) {
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final seasonEpisode = parentIndex != null ? 'S${parentIndex}E$index' : 'E$index';
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return '$grandparentTitle - $seasonEpisode - $title';
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}
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return title;
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}
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}
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