111 lines
3.3 KiB
Dart
111 lines
3.3 KiB
Dart
/// Question pushed from the API over the SignalR questions hub.
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class IncomingQuestion {
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const IncomingQuestion({
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required this.id,
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required this.text,
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required this.sentAt,
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this.unansweredCount = 1,
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this.sourceId = defaultSourceId,
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this.presentation = defaultPresentation,
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this.spokenWord,
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this.audioTitle,
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this.canonicalWord,
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this.needsPrepare = false,
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});
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static const String defaultSourceId = 'market_history';
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static const String defaultPresentation = 'market_glyph_slider';
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final String id;
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final String text;
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final DateTime sentAt;
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/// Unanswered questions in the database for this user (from API).
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final int unansweredCount;
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/// Question source (`market_history`, `spelling`, …).
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final String sourceId;
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/// UI presentation key (`market_glyph_slider`, `spelling_word`, …).
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final String presentation;
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/// Word read aloud after server-side selection at tile load.
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final String? spokenWord;
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/// Question id referenced as the audio utterance title.
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final String? audioTitle;
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/// Proper spelling used to grade the typed answer.
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final String? canonicalWord;
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/// True when the server still needs tile-load word selection.
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final bool needsPrepare;
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/// Spelling pipeline source (word quiz and follow-up prompts).
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bool get isSpelling => sourceId == 'spelling';
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/// Typed spelling tile (hear word, type answer).
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bool get usesSpellingWordTile {
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if (presentation == 'spelling_word' || needsPrepare) {
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return true;
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}
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if (!isSpelling) {
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return false;
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}
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if (spokenWord != null && spokenWord!.isNotEmpty) {
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return true;
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}
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return !isSpellingFollowUp;
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}
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/// Spelling branch prompt to continue (+1) or pause (-1); uses swipe UI.
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bool get isSpellingFollowUp {
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if (!isSpelling || presentation == 'spelling_word') {
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return false;
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}
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final String lower = text.toLowerCase();
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return lower.contains('enter +1') ||
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lower.contains('another word') ||
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lower.contains('to pause');
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}
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bool get isMarketHistory => sourceId == 'market_history';
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factory IncomingQuestion.fromJson(Map<String, dynamic> json) {
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return IncomingQuestion(
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id: json['id'] as String,
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text: json['text'] as String,
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sentAt: DateTime.parse(json['sentAt'] as String).toUtc(),
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unansweredCount: (json['unansweredCount'] as num?)?.toInt() ?? 1,
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sourceId: json['sourceId'] as String? ?? defaultSourceId,
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presentation: json['presentation'] as String? ?? defaultPresentation,
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spokenWord: json['spokenWord'] as String?,
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audioTitle: json['audioTitle'] as String?,
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canonicalWord: json['canonicalWord'] as String?,
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needsPrepare: json['needsPrepare'] as bool? ?? false,
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);
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}
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IncomingQuestion copyWith({
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String? text,
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String? spokenWord,
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String? audioTitle,
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String? canonicalWord,
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int? unansweredCount,
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bool? needsPrepare,
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}) {
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return IncomingQuestion(
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id: id,
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text: text ?? this.text,
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sentAt: sentAt,
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unansweredCount: unansweredCount ?? this.unansweredCount,
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sourceId: sourceId,
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presentation: presentation,
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spokenWord: spokenWord ?? this.spokenWord,
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audioTitle: audioTitle ?? this.audioTitle,
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canonicalWord: canonicalWord ?? this.canonicalWord,
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needsPrepare: needsPrepare ?? this.needsPrepare,
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);
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}
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}
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