feat: persist timetable and validate confirmed imports

2026-10-12 23:18:51 +08:00
parent ae8e347e49
commit 808af007a2
13 changed files with 852 additions and 0 deletions
@@ -27,4 +27,43 @@ class Course {
  final int weekday, startPeriod, endPeriod;
  final Set<int> weeks;
  final CourseSource source;
+
+  Map<String, dynamic> toJson() => {
+    'id': id,
+    'name': name,
+    'teacher': teacher,
+    'room': room,
+    'weekday': weekday,
+    'startPeriod': startPeriod,
+    'endPeriod': endPeriod,
+    'weeks': weeks.toList()..sort(),
+    'source': source.name,
+  };
+
+  static Course fromJson(Map<String, dynamic> json, {CourseSource? source}) {
+    try {
+      String text(String key) {
+        final v = json[key];
+        if (v is! String) throw const FormatException('课程字段缺失');
+        return v.trim();
+      }
+
+      final rawWeeks = json['weeks'];
+      if (rawWeeks is! List || rawWeeks.any((w) => w is! int))
+        throw const FormatException('周次必须是整数数组');
+      return Course(
+        id: text('id'),
+        name: text('name'),
+        teacher: text('teacher'),
+        room: text('room'),
+        weekday: json['weekday'] as int,
+        startPeriod: json['startPeriod'] as int,
+        endPeriod: json['endPeriod'] as int,
+        weeks: rawWeeks.cast<int>().toSet(),
+        source: source ?? CourseSource.values.byName(json['source'] as String),
+      );
+    } catch (_) {
+      throw const FormatException('课程字段、节次或周次无效');
+    }
+  }
 }