rkm_educa_app/lib/telas/tela_botetim.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:rkm_educa_app/componentes/appbar_custom.dart';
import 'package:rkm_educa_app/componentes/drawer_custom.dart';
import 'package:rkm_educa_app/componentes/item_bimestre.dart';
import 'package:rkm_educa_app/componentes/item_disciplina.dart';
import 'package:rkm_educa_app/componentes/item_modelo.dart';
import 'package:rkm_educa_app/modelos/estudante_modelo.dart';
import 'package:rkm_educa_app/utils/cores.dart';
import '../componentes/snackBars.dart';
import '../componentes/text_custom.dart';
import '../utils/dimensoes.dart';
import 'package:http/http.dart' as http;

class TelaBoletim extends StatefulWidget {
  EstudanteModelo estudanteModelo;
  String ano;
  String turma;

  TelaBoletim({
    required this.estudanteModelo,
    required this.ano,
    required this.turma
});

  @override
  State<TelaBoletim> createState() => _TelaBoletimState();
}

class _TelaBoletimState extends State<TelaBoletim> {

  List <ItemDisciplina> listDisciplinas1 = [];
  List <ItemDisciplina> listDisciplinas2 = [];
  List <ItemDisciplina> listDisciplinas3 = [];
  List <ItemDisciplina> listDisciplinas4 = [];
  bool carregando = true;

  buscarBoletim()async{

    final url = 'http://192.168.18.2:8000/boletim?MATRICULA=${widget.estudanteModelo.dados[widget.estudanteModelo.nroAluno]['CD_MATRICULA']}&CIDADE=${widget.estudanteModelo.cidade}';
    print(url);
    final response = await http.get(Uri.parse(url));
    var map = json.decode(response.body);
    // print(map);
    if(map!=false){
      List list = map;
      if(list.isEmpty){
        showSnackBar(context, 'Notas não encontradas', Colors.red);
        carregando = false;
        setState(() {});
      }else{
        for(int i=0;list.length>i;i++){
          listDisciplinas1.add(ItemDisciplina(disciplina: list[i]['NO_DISCIPLINA'], nota: int.parse(list[i]['NOTA_1']??0), falta: 0));
          listDisciplinas2.add(ItemDisciplina(disciplina: list[i]['NO_DISCIPLINA'], nota: list[i]['NOTA_2']==null?0:int.parse(list[i]['NOTA_2']??0), falta: 0));
          listDisciplinas3.add(ItemDisciplina(disciplina: list[i]['NO_DISCIPLINA'], nota: list[i]['NOTA_3']==null?0:int.parse(list[i]['NOTA_3']??0), falta: 0));
          listDisciplinas4.add(ItemDisciplina(disciplina: list[i]['NO_DISCIPLINA'], nota: list[i]['NOTA_4']==null?0:int.parse(list[i]['NOTA_4']??0), falta: 0));
        }
        carregando = false;
        setState(() {});
      }
    }else{
      showSnackBar(context, 'Notas não encontradas', Colors.red);
      carregando = false;
      setState(() {});
    }
  }

  @override
  void initState() {
    super.initState();
    buscarBoletim();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBarCustom().appbar(context, 'BOLETIM ESCOLAR'),
      drawer: DrawerCustom(estudanteModelo: widget.estudanteModelo),
      body: carregando?Center(
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            CircularProgressIndicator(color: PaletaCores.cinzaClaro,),
            SizedBox(width: 20,),
            TextCustom(text: 'Buscando Notas ...')
          ],
        ),
      ): Container(
        padding: EdgeInsets.symmetric(vertical: 20,horizontal: 10),
        width: Dimensoes.width,
        height: Dimensoes.height,
        child: ListView(
          children: [
            ItemModelo(texto: widget.ano, titulo: 'Ano Letivo'),
            ItemModelo(texto: widget.turma, titulo: 'Turma'),
            ItemModelo(texto: '', titulo: '1° Bimestre'),
            ItemBimestre(
                displinas: Container(
                  height: 22*listDisciplinas1.length.toDouble(),
                  child: ListView.builder(
                      physics: NeverScrollableScrollPhysics(),
                      itemCount: listDisciplinas1.length,
                      itemBuilder: (context,index){
                        return ItemDisciplina(disciplina: listDisciplinas1[index].disciplina, nota: listDisciplinas1[index].nota, falta: 0);
                      }
                  ),
                )
            ),
            SizedBox(height: 5,),
            Container(width: double.infinity,height: 2,color: PaletaCores.divider),
            ItemModelo(texto: '', titulo: '2° Bimestre'),
            ItemBimestre(
                displinas: Container(
                  height: 22*listDisciplinas2.length.toDouble(),
                  child: ListView.builder(
                      physics: NeverScrollableScrollPhysics(),
                      itemCount: listDisciplinas2.length,
                      itemBuilder: (context,index){
                        return ItemDisciplina(disciplina: listDisciplinas2[index].disciplina, nota: listDisciplinas2[index].nota, falta: 0);
                      }
                  ),
                )
            ),
            SizedBox(height: 5,),
            Container(width: double.infinity,height: 2,color: PaletaCores.divider),
            ItemModelo(texto: '', titulo: '3° Bimestre'),
            ItemBimestre(
                displinas: Container(
                  height: 22*listDisciplinas3.length.toDouble(),
                  child: ListView.builder(
                      physics: NeverScrollableScrollPhysics(),
                      itemCount: listDisciplinas3.length,
                      itemBuilder: (context,index){
                        return ItemDisciplina(disciplina: listDisciplinas3[index].disciplina, nota: listDisciplinas3[index].nota, falta: 0);
                      }
                  ),
                )
            ),
            SizedBox(height: 5,),
            Container(width: double.infinity,height: 2,color: PaletaCores.divider),
            ItemModelo(texto: '', titulo: '4° Bimestre'),
            ItemBimestre(
                displinas: Container(
                  height: 22*listDisciplinas4.length.toDouble(),
                  child: ListView.builder(
                    physics: NeverScrollableScrollPhysics(),
                      itemCount: listDisciplinas4.length,
                      itemBuilder: (context,index){
                        return ItemDisciplina(disciplina: listDisciplinas4[index].disciplina, nota: listDisciplinas4[index].nota, falta: 0);
                      }
                  ),
                )
            ),
          ],
        ),
      )
    );
  }
}