feat: add validated semester and lesson calculations

2026-10-12 23:13:02 +08:00
parent 36d18f029f
commit ae8e347e49
36 changed files with 1522 additions and 1 deletions
@@ -0,0 +1,30 @@
+enum CourseSource { school, file, demo }
+
+class Course {
+  Course({
+    required this.id,
+    required this.name,
+    required this.teacher,
+    required this.room,
+    required this.weekday,
+    required this.startPeriod,
+    required this.endPeriod,
+    required Set<int> weeks,
+    required this.source,
+  }) : weeks = Set.unmodifiable(weeks) {
+    if ([id, name, teacher, room].any((value) => value.trim().isEmpty) ||
+        weekday < 1 ||
+        weekday > 7 ||
+        startPeriod < 1 ||
+        endPeriod > 11 ||
+        endPeriod < startPeriod ||
+        weeks.isEmpty ||
+        weeks.any((week) => week < 1 || week > 30)) {
+      throw ArgumentError('课程字段、节次或周次无效');
+    }
+  }
+  final String id, name, teacher, room;
+  final int weekday, startPeriod, endPeriod;
+  final Set<int> weeks;
+  final CourseSource source;
+}