53 lines
1.1 KiB
Dart
53 lines
1.1 KiB
Dart
/// 复习模式
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enum ReviewMode {
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adaptive, // 智能适应
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sequential, // 顺序复习
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random, // 随机复习
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difficulty, // 按难度复习
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}
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/// 复习结果
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class ReviewResult {
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final String wordId;
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final bool isCorrect;
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final DateTime timestamp;
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final Duration reviewTime;
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ReviewResult({
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required this.wordId,
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required this.isCorrect,
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required this.timestamp,
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required this.reviewTime,
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});
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}
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/// 复习会话
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class ReviewSession {
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final String id;
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final DateTime startTime;
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final int targetCount;
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final ReviewMode mode;
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DateTime? endTime;
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Map<String, ReviewResult> results = {};
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ReviewSession({
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required this.id,
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required this.startTime,
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required this.targetCount,
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required this.mode,
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this.endTime,
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});
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double get accuracy {
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if (results.isEmpty) return 0.0;
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final correctCount = results.values.where((r) => r.isCorrect).length;
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return correctCount / results.length;
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}
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Duration get totalTime {
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final end = endTime ?? DateTime.now();
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return end.difference(startTime);
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}
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bool get isCompleted => results.length >= targetCount;
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} |