Felipe M.
0b57896793
Co-authored-by: Felipe M. <me@fmartingr.com> Co-committed-by: Felipe M. <me@fmartingr.com>
81 lines
2 KiB
Dart
81 lines
2 KiB
Dart
import 'package:freezed_annotation/freezed_annotation.dart';
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import 'package:worldhopper/models/opds_entry.dart';
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import 'package:worldhopper/models/opds_link.dart';
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part 'opds_feed.freezed.dart';
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part 'opds_feed.g.dart';
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/// Represents an OPDS feed (navigation or acquisition)
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@freezed
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class OPDSFeed with _$OPDSFeed {
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const factory OPDSFeed({
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/// Feed ID
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required String id,
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/// Feed title
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required String title,
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/// Feed subtitle
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String? subtitle,
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/// Feed icon URL
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String? icon,
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/// Last update timestamp
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DateTime? updated,
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/// Feed author
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String? author,
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/// All links in the feed
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@Default([]) List<OPDSLink> links,
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/// All entries in the feed
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@Default([]) List<OPDSEntry> entries,
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/// Total results (for paginated feeds)
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int? totalResults,
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/// Items per page (for paginated feeds)
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int? itemsPerPage,
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/// Start index (for paginated feeds)
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int? startIndex,
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}) = _OPDSFeed;
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const OPDSFeed._();
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/// Create OPDSFeed from JSON
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factory OPDSFeed.fromJson(Map<String, dynamic> json) =>
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_$OPDSFeedFromJson(json);
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/// Check if this is a navigation feed
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bool get isNavigationFeed => entries.any((entry) => entry.isNavigation);
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/// Check if this is an acquisition feed (contains publications)
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bool get isAcquisitionFeed => !isNavigationFeed;
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/// Get the start (root) link
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OPDSLink? get startLink => links.cast<OPDSLink?>().firstWhere(
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(link) => link?.rel == 'start',
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orElse: () => null,
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);
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/// Get the self link
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OPDSLink? get selfLink => links.cast<OPDSLink?>().firstWhere(
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(link) => link?.rel == 'self',
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orElse: () => null,
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);
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/// Get the next page link
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OPDSLink? get nextLink => links.cast<OPDSLink?>().firstWhere(
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(link) => link?.rel == 'next',
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orElse: () => null,
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);
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/// Get the previous page link
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OPDSLink? get previousLink => links.cast<OPDSLink?>().firstWhere(
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(link) => link?.rel == 'previous' || link?.rel == 'prev',
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orElse: () => null,
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);
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}
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