81 lines
2.3 KiB
Dart
81 lines
2.3 KiB
Dart
 
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/// An AI generated digest of the day's news, grouped into topics.
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class DailyBriefing {
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const DailyBriefing({
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required this.createdAt,
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required this.intro,
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required this.topics,
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required this.generatedBy,
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});
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final DateTime createdAt;
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final String intro;
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final List<BriefingTopic> topics;
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/// Human readable name of the summarizer, e.g. "Claude (claude-opus-5-5)".
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final String generatedBy;
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Map<String, dynamic> toJson() => {
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'createdAt': createdAt.toIso8601String(),
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'intro': intro,
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'generatedBy': generatedBy,
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'topics': topics.map((t) => t.toJson()).toList(),
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};
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factory DailyBriefing.fromJson(Map<String, dynamic> json) => DailyBriefing(
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createdAt: DateTime.parse(json['createdAt'] as String),
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intro: json['intro'] as String? ?? '',
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generatedBy: json['generatedBy'] as String? ?? '',
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topics: (json['topics'] as List? ?? [])
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.map((t) => BriefingTopic.fromJson(t as Map<String, dynamic>))
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.toList(),
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);
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}
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class BriefingTopic {
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const BriefingTopic({
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required this.title,
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required this.summary,
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required this.sources,
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});
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final String title;
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final String summary;
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final List<ArticleRef> sources;
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Map<String, dynamic> toJson() => {
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'title': title,
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'summary': summary,
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'sources': sources.map((s) => s.toJson()).toList(),
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};
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factory BriefingTopic.fromJson(Map<String, dynamic> json) => BriefingTopic(
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title: json['title'] as String? ?? '',
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summary: json['summary'] as String? ?? '',
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sources: (json['sources'] as List? ?? [])
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.map((s) => ArticleRef.fromJson(s as Map<String, dynamic>))
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.toList(),
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);
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}
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/// A lightweight pointer to an article, stored with the briefing so links
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/// still work after the feed has been refreshed.
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class ArticleRef {
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const ArticleRef({
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required this.title,
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required this.url,
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required this.sourceName,
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});
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final String title;
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final String url;
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final String sourceName;
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Map<String, dynamic> toJson() =>
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{'title': title, 'url': url, 'sourceName': sourceName};
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factory ArticleRef.fromJson(Map<String, dynamic> json) => ArticleRef(
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title: json['title'] as String? ?? '',
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url: json['url'] as String? ?? '',
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sourceName: json['sourceName'] as String? ?? '',
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);
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}
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