84 lines
2.7 KiB
Dart
84 lines
2.7 KiB
Dart
/// ============================================================
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/// 【课堂习题 · 收藏 / 错题本】（1:1 迁移 Vue exerciseCollect.js）
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///
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/// type=1 收藏；type=2 错题（仅 view 模式可用）。
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/// ============================================================
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library;
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import 'package:new_learn/core/api/conquerPackage/classExercises/api.dart';
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import 'package:new_learn/features/conquerPackage/classExercises/controllers/exercise_session.dart';
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import 'package:new_learn/features/conquerPackage/classExercises/models/question_model.dart';
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class ExerciseCollectHandlers {
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ExerciseCollectHandlers({
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required this.session,
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required this.bridge,
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});
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final ExerciseSession session;
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final ExerciseUiBridge bridge;
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final ClassExercisesApi _api = ClassExercisesApi.instance;
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dynamic _field(dynamic resp, String key) {
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if (resp is Map) {
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if (resp[key] != null) return resp[key];
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final data = resp['data'];
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if (data is Map && data[key] != null) return data[key];
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}
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return null;
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}
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/// type：1=收藏，2=错题本
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Future<void> onClickAddUserCollect(int type) async {
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// 错题仅查看模式可用
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if (type == 2 && !session.isView) return;
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final info = session.currentQuestion;
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if (info == null) return;
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final selected = type == 1 ? info.isCollect : info.isWrongCollect;
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try {
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if (selected) {
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final id = type == 1 ? info.collectId : info.wrongCollectId;
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await _api.cancleCollect(<String, dynamic>{
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'type': type,
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'id': id ?? 0,
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});
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_syncCollectState(type, true, null, info);
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bridge.toast(type == 1 ? '取消收藏成功' : '取消错题成功');
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} else {
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final packId =
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session.totalPackId.isNotEmpty ? session.totalPackId : session.packId;
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final res = await _api.addUserCollect(<String, dynamic>{
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'type': type,
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'packId': packId,
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'questionId': info.questionId,
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'recordQuestionId': info.id,
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});
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final resId = _field(res, 'id');
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_syncCollectState(type, false, resId, info);
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bridge.toast(type == 1 ? '收藏成功' : '错题添加成功');
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}
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bridge.notifyListeners();
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} catch (_) {
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bridge.toast(type == 1 ? '收藏失败' : '失败');
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}
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}
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/// 同步收藏态（对标 syncCollectState）
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void _syncCollectState(
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int type,
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bool wasSelected,
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dynamic resId,
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QuestionModel info,
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) {
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if (type == 2) {
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info.isWrongCollect = !wasSelected;
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info.wrongCollectId = wasSelected ? 0 : resId;
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} else {
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info.isCollect = !wasSelected;
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info.collectId = wasSelected ? 0 : resId;
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}
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}
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}
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