forked from firka/student-legacy
66 lines
1.9 KiB
Dart
66 lines
1.9 KiB
Dart
import 'dart:developer';
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import 'package:refilc_kreta_api/models/absence.dart';
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import 'package:refilc_kreta_api/models/lesson.dart';
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import 'package:refilc_kreta_api/models/subject.dart';
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import 'package:refilc_kreta_api/models/week.dart';
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import 'package:refilc_kreta_api/providers/grade_provider.dart';
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import 'package:refilc_kreta_api/providers/timetable_provider.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:provider/provider.dart';
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class ReverseSearch {
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static Future<Lesson?> getLessonByAbsence(
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Absence absence, BuildContext context) async {
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final timetableProvider =
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Provider.of<TimetableProvider>(context, listen: false);
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List<Lesson> lessons = [];
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final week = Week.fromDate(absence.date);
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try {
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await timetableProvider.fetch(week: week);
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} catch (e) {
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log("[ERROR] getLessonByAbsence: $e");
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}
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lessons = timetableProvider.getWeek(week) ?? [];
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// Find absence lesson in timetable
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Lesson lesson = lessons.firstWhere(
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(l) =>
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_sameDate(l.date, absence.date) &&
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l.subject.id == absence.subject.id &&
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l.lessonIndex == absence.lessonIndex.toString(),
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orElse: () => Lesson.fromJson({'isEmpty': true}),
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);
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if (lesson.isEmpty) {
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return null;
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} else {
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return lesson;
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}
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}
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// difference.inDays is not reliable
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static bool _sameDate(DateTime a, DateTime b) =>
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(a.year == b.year && a.month == b.month && a.day == b.day);
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static Future<GradeSubject?> getSubjectByLesson(
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Lesson lesson, BuildContext context) async {
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final gradeProvider = Provider.of<GradeProvider>(context, listen: false);
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try {
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await gradeProvider.fetch();
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} catch (e) {
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log("[ERROR] getSubjectByLesson: $e");
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}
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try {
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return gradeProvider.grades.map((e) => e.subject).firstWhere(
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(s) => s.id == lesson.subject.id,
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);
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} catch (e) {
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return null;
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}
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}
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}
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