meincantor-app/lib/timetable.dart

import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';

class ClassTimetableBuilder {
  final ListView view;
  ClassTimetableBuilder({required this.view});
  factory ClassTimetableBuilder.buildView(Map<String, dynamic> json) {
    return ClassTimetableBuilder(
        view: ListView(
            physics: const AlwaysScrollableScrollPhysics(),
            children: LessonsListBuilder.buildList(json).lessons));
  }
}

class LessonsListBuilder {
  final List<Widget> lessons;
  LessonsListBuilder({required this.lessons});
  factory LessonsListBuilder.buildList(Map<String, dynamic> json, {int count: 0}) {
    List<Widget> children = [];
    ClassTimetable.fromJson(json).timetable.forEach((element) {
      List<Widget> cardChildren = [];
      print(element.count.toString() + " " + count.toString());
      if (element.count.toString() == count.toString() || count == 0) {
        print("teeee");
        cardChildren.add(ListTile(
            title: Text(element.count.toString() + '.' + ' ' + element.name,
                style: TextStyle(color: element.fontColor)),
            subtitle: Row(children: [
              Icon(CupertinoIcons.person, color: element.fontColor),
              const SizedBox(width: 5),
              Text(element.teacher, style: TextStyle(color: element.fontColor)),
              const Spacer(),
              Icon(CupertinoIcons.home, color: element.fontColor),
              const SizedBox(width: 5),
              Text(element.room, style: TextStyle(color: element.fontColor))
            ]),
            leading: Icon(CupertinoIcons.time, color: element.fontColor)));
        if (element.info != '') {
          cardChildren.add(ListTile(
              title: Text(element.info,
                  style: TextStyle(color: element.fontColor))));
        }
        Card card = Card(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(15.0),
            ),
            color: element.color,
            child: Column(
              children: cardChildren,
            ));
        children.add(card);
      }
    });
    return LessonsListBuilder(lessons: children);
  }
}

class ClassTimetable {
  final List timetable;
  ClassTimetable({required this.timetable});
  factory ClassTimetable.fromJson(Map<String, dynamic> json) {
    print(json);
    List<TimetableLesson> lessons = [];
    json['courses'].forEach((value) {
      var name;
      var teacher;
      var room;
      dynamic teachers = {
        'Poli': 'Herr Polity',
        'Zura': 'Frau Zuralski',
        'Enzi': 'Frau Enzian',
        'Bütt': 'Frau Büttner',
        'Brod': 'Herr Brode',
        'Rink': 'Frau Rinke',
        'Schk': 'Frau Schmidt',
        'Rudo': 'Frau Rudolph',
        'Kipp': 'Frau Kipping',
        'Bach': 'Frau Bachran',
        'Bad': 'Herr Bader',
        'Prei': 'Frau Preiß',
        'Scha': 'Frau Schapitz',
        '&nbsp;': '',
        'Link': 'Herr Linke',
        'Stei': 'Herr Stein',
        'Tupp': 'Frau Tuppack',
        'Hoff': 'Frau Hoffman',
        'Knol': 'Frau Knoll',
        'Bet': 'Frau Bethin',
        'Schu': 'Frau Schulz',
        'Seid': 'Frau Seidel',
        'Krug': 'Frau Krug',
        'Laer': 'Frau Langer',
        'Youn': 'Frau Younso',
        'Härt': 'Frau Härtig',
        'Bros': 'Frau Brosig',
        'Ber': 'Frau Bernhardt',
        'Stüb': 'Frau Stüber',
        'Bor': 'Frau Borchert',
        'Dubb': 'Frau Dubberstein',
        'Tren': 'Frau Trentsch',
        'Meit': 'Herr Meitzner',
        'Stol': 'Frau Stolpe',
        'Jac': 'Frau Jacob',
        'Jüne': 'Herr Jünemann',
        'Bert': 'Frau Berthelmann',
        'Felk': 'Frau Felke',
        'Kimm': 'Herr Kimmel',
        'PM1': 'Pädagosische(r) Mitarbeiter(in) 1',
        'Schet': 'Herr Schetler',
        'Mani': 'Herr Manigk',
        'Segg': 'Frau Seggern',
        'Opel': 'Frau Opel-Fritzler',
        'Möll': 'Frau Möller',
        'Laen': 'Herr Langen',
        'Plin': 'Herr Plinke',
        'Koch': 'Herr Koch',
        'Gors': 'Herr Gorsler',
        'Krau': 'Herr Krause',
        'Henk': 'Frau Henke',
        'Wolf': 'Herr Wolf'
      };
      if (value['Fa'].runtimeType != String) {
        name = value['Fa']['#text'];
      } else {
        name = value['Fa'];
      }
      if (value['Le'].runtimeType != String) {
        teacher = value['Le']['#text'];
      } else {
        teacher = value['Le'];
      }
      print(value['Ra']);
      if (value['Ra'].runtimeType != String && value['Ra'].runtimeType != int) {
        if (value['Ra']['#text'] == '&nbsp;') {
          room = '';
        } else if (value['Ra']['#text'] == null) {
          room = '';
        } else {
          room = value['Ra']['#text'];
        }
      } else if (value['Ra'] == '&nbsp;') {
        room = '';
      } else {
        room = value['Ra'];
      }
      Color fontColor;
      if (name == '---') {
        fontColor = Colors.red;
      } else {
        fontColor = Colors.white;
      }
      var info;
      if (value['If'].runtimeType != String) {
        info = '';
      } else {
        info = value['If'];
      }

      dynamic colors = {
        'Bio': Colors.green,
        'Mat': Colors.indigo,
        'matL1': Colors.indigo,
        'matL2': Colors.indigo,
        'matL3': Colors.indigo,
        'Deu': Colors.red,
        'deu1': Colors.red,
        'deu2': Colors.red,
        'deu3': Colors.red,
        'Kun': Colors.deepPurple,
        'kun1': Colors.deepPurple,
        'kun2': Colors.deepPurple,
        'kun3': Colors.deepPurple,
        'Geo': Colors.brown,
        'Lat': Colors.teal,
        'lat1': Colors.teal,
        'lat2': Colors.teal,
        'lat3': Colors.teal,
        'Che': Colors.lightGreen,
        'Eng': Colors.amber,
        'eng1': Colors.amber,
        'eng2': Colors.amber,
        'eng3': Colors.amber,
        'Phy': Colors.cyan,
        'phy1': Colors.cyan,
        'phy2': Colors.cyan,
        'phy3': Colors.cyan,
        'Inf': Colors.tealAccent[400],
        'Mus': Colors.deepOrange,
        'mus1': Colors.deepOrange,
        'mus2': Colors.deepOrange,
        'mus3': Colors.deepOrange,
        'Lme': Colors.amber[700],
        'Ges': Colors.grey,
        'ges1': Colors.grey,
        'ges2': Colors.grey,
        'ges3': Colors.grey,
        'Spa': Colors.redAccent,
        'Frz': Colors.amberAccent[700],
        'frz1': Colors.amberAccent[700],
        '---': Colors.white
      };

      dynamic names = {
        'Bio': 'Biologie',
        'Mat': 'Mathematik',
        'matL1': 'Mathematik Leistungskurs 1',
        'Kun': 'Kunst',
        'Mus': 'Musik',
        'Geo': 'Geographie',
        'Ges': 'Geschichte',
        'Che': 'Chemie',
        'Lat': 'Latein',
        'Inf': 'Informatik',
        'Eng': 'Englisch',
        'Frz': 'Französisch',
        'frz1': 'Französisch 1',
        'Phy': 'Physik',
        '---': '---',
        'Spo': 'Sport',
        'Deu': 'Deutsch',
        'deu1': 'Deutsch 1',
        'deu2': 'Deutsch 2',
        'deu3': 'Deutsch 3',
        'Lme': 'Lernmethoden',
        'Eth': 'Ethik',
        'EvR': 'Evangelische Religion',
        'Soz': 'Sozialkunde',
        'Ast': 'Astronomie',
        'Spa': 'Spanisch',
        'FK': 'Fachkurs',
        'JIA': 'Junior-Ingenieur-Akademie',
        'WoU': 'Wahlobligatorischer Unterricht'
      };

      lessons.add(TimetableLesson(
          value['St'],
          names[name] ?? name.toString(),
          teachers[teacher] ?? teacher.toString(),
          room.toString(),
          value['If'].toString(),
          colors[name] ?? Colors.grey[700],
          fontColor,
          info));
    });

    return ClassTimetable(timetable: lessons);
  }
}

class TimetableLesson {
  final int count;
  final String name;
  final String teacher;
  final String room;
  final String comment;
  final Color color;
  final Color fontColor;
  final String info;
  const TimetableLesson(this.count, this.name, this.teacher, this.room,
      this.comment, this.color, this.fontColor, this.info);
}