Files
TPSchedule/mobile/lib/domain/exam_schedule.dart
T

109 lines
3.9 KiB
Dart

import 'dart:convert';
import 'school_identity.dart';
import 'school_term.dart';
class ExamRecord {
const ExamRecord({
required this.code,
required this.name,
this.assessment = '',
this.candidate = '',
this.sequence = '',
this.room = '',
this.seat = '',
this.time = '',
this.date = '', this.status = '', this.notes = '', this.examTypeId,
});
final String code, name, assessment, candidate, sequence, room, seat, time;
final String date, status, notes;
final int? examTypeId;
String get undergraduateKey => jsonEncode([examTypeId,code,date,time,room,seat]);
Map<String, dynamic> toJson() => {
'code': code,
'name': name,
'assessment': assessment,
'candidate': candidate,
'sequence': sequence,
'room': room,
'seat': seat,
'time': time,
'date':date, 'status':status, 'notes':notes, 'examTypeId':examTypeId,
};
factory ExamRecord.fromJson(Map<String, dynamic> json) {
String field(String key, {bool optional=false}) {
final value = optional && !json.containsKey(key) ? '' : json[key];
if (value is! String || value.length > 1000) {
throw const FormatException('考试信息无效');
}
return value;
}
final record = ExamRecord(
code: field('code'),
name: field('name'),
assessment: field('assessment'),
candidate: field('candidate'),
sequence: field('sequence'),
room: field('room'),
seat: field('seat'),
time: field('time'),
date:field('date',optional:true), status:field('status',optional:true), notes:field('notes',optional:true),
examTypeId:json['examTypeId'] as int?,
);
if (record.code.isEmpty || record.name.isEmpty) {
throw const FormatException('考试课程无效');
}
return record;
}
}
class ExamSchedule {
ExamSchedule({
required this.semesterLabel,
required this.termId,
required List<ExamRecord> records,
this.school = SupportedSchool.uestcGraduate,
Set<int> requestedExamTypes = const {},
}) : records = List.unmodifiable(records), requestedExamTypes=Set.unmodifiable(requestedExamTypes);
final String semesterLabel, termId;
final List<ExamRecord> records;
final SupportedSchool school;
final Set<int> requestedExamTypes;
Map<String, dynamic> toJson() => {
'semesterLabel': semesterLabel,
'termId': termId,
'records': records.map((r) => r.toJson()).toList(),
'schoolId':school.id, 'requestedExamTypes':requestedExamTypes.toList()..sort(),
};
factory ExamSchedule.fromJson(Map<String, dynamic> json) {
try {
final label = json['semesterLabel'],
id = json['termId'],
rows = json['records'];
if (label is! String ||
label.trim().isEmpty ||
id is! String ||
!RegExp(r'^\d+$').hasMatch(id) ||
rows is! List ||
rows.length > 500) {
throw const FormatException('考试列表无效');
}
final records = rows
.map((r) => ExamRecord.fromJson(Map<String, dynamic>.from(r as Map)))
.toList();
final school=json['schoolId']==null ? SupportedSchool.uestcGraduate : SupportedSchool.fromId(json['schoolId'] as String);
final rawTypes=json['requestedExamTypes'] ?? <int>[];
if(rawTypes is! List || rawTypes.any((t)=>t is! int || t<1 || t>3)) throw const FormatException('考试类型无效');
final types=rawTypes.cast<int>().toSet();
SchoolTerm(int.parse(id),school:school);
if(school==SupportedSchool.uestcUndergraduate && (types.isEmpty || records.any((r)=>!types.contains(r.examTypeId)))) {
throw const FormatException('本科考试类型无效');
}
if (records.map((r) => school==SupportedSchool.uestcGraduate ? r.code : r.undergraduateKey).toSet().length != records.length) {
throw const FormatException('考试课程重复');
}
return ExamSchedule(semesterLabel: label, termId: id, records: records,school:school,requestedExamTypes:types);
} catch (_) { throw const FormatException('考试列表无效'); }
}
}