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) {
    List<Widget> children = [];
    ClassTimetable.fromJson(json).timetable.forEach((element) {
      List<Widget> cardChildren = [];
      cardChildren.add(ListTile(
          title: Text(element.count.toString() + '.' + ' ' + element.name,
              style: TextStyle(color: element.fontColor)),
          subtitle: Row(
              children: [
                Icon(CupertinoIcons.person, color: element.fontColor),
                SizedBox(width: 5),
                Text(element.teacher,
                    style: TextStyle(color: element.fontColor)),
                Spacer(),
                Icon(CupertinoIcons.home, color: element.fontColor),
                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 ClassTimetableBuilder(
        view: ListView(
            physics: const AlwaysScrollableScrollPhysics(),
            children: 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 color;
      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'};
      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 {
          room = value['Ra']['#text'];
        }
      } else if(value['Ra'] == '&nbsp;') {
        room = '';
      } else {
        room = value['Ra'];
      }
      var fontColor;
      if(name == '---') {
        fontColor = Colors.red;
      } else {
        fontColor = Colors.white;
      }
      var info;
      if(value['If'].runtimeType != String) {
        info = '';
      } else {
        info = value['If'];
      }
      if(name == 'Mat'){
        color = Colors.indigo;
      }
      else if(name == 'Deu'){
        color = Colors.red;
      }
      else if(name == 'Kun'){
        color = Colors.deepPurple;
      }
      else if(name == 'Bio'){
        color = Colors.green;
      }
      else if(name == 'Geo'){
        color = Colors.brown;
      }
      else if(name == 'Lat'){
        color = Colors.teal;
      }
      else if(name == 'Che'){
        color = Colors.lightGreen;
      }
      else if(name == 'Eng'){
        color = Colors.amber;
      }
      else if(name == 'Phy'){
        color = Colors.cyan;
      }
      else if(name == 'Inf'){
        color = Colors.tealAccent[400];
      }
      else if(name == 'Mus'){
        color = Colors.deepOrange;
      }
      else if(name == 'Lme'){
        color = Colors.amber[700];
      }
      else if(name == 'Ges'){
        color = Colors.grey;
      }
      else if(name == 'Spa'){
        color = Colors.redAccent;
      }
      else if(name == 'Frz'){
        color = Colors.amberAccent[700];
      }
      else if(name == '---') {
        color = Colors.white;
      }
      else {
        color = Colors.grey[700];
      }
      dynamic names = {'Bio':'Biologie', 'Mat':'Mathematik', 'Kun':'Kunst', 'Mus':'Musik', 'Geo':'Geographie', 'Ges':'Geschichte', 'Che':'Chemie', 'Lat':'Latein', 'Inf':'Informatik', 'Eng':'Englisch', 'Frz':'Französisch', 'Phy':'Physik', '---':'---', 'Spo':'Sport', 'Deu':'Deutsch', 'Lme':'Lernmethoden', 'Eth':'Ethik', 'EvR':'Evangelische Religion', 'Spa':'Spanisch', 'Soz':'Sozialkunde', 'Ast':'Astronomie'};
      dynamic colors = {'Bio':Colors.green, 'Mat':Colors.blue};
      lessons.add(TimetableLesson(value['St'], names[name].toString(), teachers[teacher].toString(), room.toString(), value['If'].toString(), color, 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);
}