cssd/lib/pages/test_form_page.dart

import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:random_string/random_string.dart';

import '../config/routes.dart';
import '../providers/input.dart';
import '../providers/test_results.dart';
import '../widgets/TestResultScreens/Add/form_creator.dart';

class FormPage extends StatefulWidget {
  final String name;
  final String uniqueCode;
  final String testResultId;
  final String testTypeId;

  FormPage({this.name, this.uniqueCode, this.testResultId, this.testTypeId});

  @override
  _FormPageState createState() => _FormPageState();
}

class _FormPageState extends State<FormPage> {
  bool _isInit = true;
  bool _isLoading = false;
  bool isAdding = false;
  final _form = GlobalKey<FormState>();
  Map<String, dynamic> values = {};
  List<Map<String, dynamic>> formInputs;

  void _saveForm() {
    final batchId = randomString(10);
    formatData(formInputs);
    var prvObject = Provider.of<TestResultsProvider>(context, listen: false);
    if (this.widget.testResultId != null && this.widget.testResultId != '') {
      values['_method'] = 'put';
      TestResultsProvider.updateTestResult(this.widget.testResultId, values)
          .then((_) {
        Navigator.of(context).pop();
      });
    } else {
      setState(() {
        _isLoading = true;
      });
      prvObject.createTestResult(values, batchId).then((result) {
        setState(() {
          _isLoading = false;
        });
        if (result == 'done') {
          showDialog(
            context: context,
            builder: (ctx) => AlertDialog(
              content: Text('Test added.'),
              actions: <Widget>[
                TextButton(
                  onPressed: () {
                    Navigator.of(ctx).pop();
                  },
                  child: Text('Ok'),
                )
              ],
            ),
          ).then((value) =>
              Navigator.of(context).popAndPushNamed(Routes.testResultScreen));
        }
      });
    }
  }

  @override
  void didChangeDependencies() {
    if (_isInit) {
      setState(() {
        _isLoading = true;
      });
      Provider.of<Inputs>(context, listen: false)
          .getInputs(
              testResultId: this.widget.testResultId ?? "",
              name: this.widget.name ?? "",
              uniqueCode: this.widget.uniqueCode ?? "",
              testTypeId: this.widget.testTypeId ?? "")
          .then((_) {
        setState(() {
          _isLoading = false;
        });
      });
    }
    _isInit = false;
    super.didChangeDependencies();
  }

  @override
  Widget build(BuildContext context) {
    return WillPopScope(
      onWillPop: () async {
        Navigator.pushReplacementNamed(
          context,
          Routes.testResultAddScreen,
        );
        return true;
      },
      child: SafeArea(
        child: Scaffold(
            appBar: AppBar(
              centerTitle: true,
              title: Text('Add Test Result'),
              actions: <Widget>[
                IconButton(
                  icon: Icon(Icons.save),
                  onPressed: () {
                    _saveForm();
                  },
                )
              ],
              leading: IconButton(
                icon: Icon(
                  Icons.keyboard_arrow_left,
                  size: 35,
                ),
                onPressed: () {
                  Navigator.of(context)
                      .popAndPushNamed(Routes.testResultScreen);
                },
              ),
            ),
            body: Column(
              children: <Widget>[
                Expanded(
                  child: _isLoading
                      ? Center(child: CircularProgressIndicator())
                      : Form(
                          key: _form,
                          child: Consumer<Inputs>(
                            builder: (context, inputs, _) {
                              formInputs = inputs.inputItems;
                              return formInputs.length != 0
                                  ? FormCreator(
                                      form: inputs.inputItems,
                                      onChanged: (value) {
                                        formInputs = value;
                                      },
                                    )
                                  : Center(
                                      child: Text('An error happen!!!'),
                                    );
                            },
                          ),
                        ),
                ),
                // https://www.cssd-doc.com/api/GetInfo
                // InkWell(
                //   onTap: () {
                //     _saveForm();
                //   },
                //   child: Container(
                //     padding: EdgeInsets.symmetric(horizontal: 60, vertical: 15),
                //     margin: EdgeInsets.symmetric(vertical: 20, horizontal: 50),
                //     decoration: BoxDecoration(
                //       gradient: LinearGradient(colors: [Colors.blue, Colors.green]),
                //       borderRadius: BorderRadius.circular(10),
                //     ),
                //     child: Text(
                //       'Save',
                //       style: TextStyle(color: Colors.white, fontSize: 17),
                //       textAlign: TextAlign.center,
                //     ),
                //   ),
                // ),
              ],
            )),
      ),
    );
  }

  void formatData(inputs) {
    for (var input in inputs) {
      if (input['type'] != 'Form') {
        if (input['key'] == 'result') {
          values[input["key"]] = input["value"] ? "Accept" : "Reject";
          // print('${input["key"]} : ${input["value"] ? "Accept" : "Reject"}');
        } else if (input['key'] == 'date') {
          var date = input["value"];

          values[input["key"]] = "${date.year}-${date.month}-${date.day}";
        } else {
          values[input["key"]] = input["value"];
          // print('${input["key"]} : ${input["value"]}');
        }
      }
      if (input['children'] != null && input['children'].isNotEmpty) {
        formatData(input['children']);
      }
    }
    // print(values);
  }
}