mc

State management and request package, Model,View,Controller,Request [MVCR].

Author: Mohammed CHAHBOUN

Getting Started

In your flutter project, add the dependency to your pubspec.yaml

dependencies:
  ...
  mc: ^0.0.1+8

for generate The appropriate model by json data use this website https://json2dart.web.app/

Usage

/////////////////////////////-- Model --/////////////////////////////

import 'package:mc/mc.dart';

class Post extends McModel{
 List multi;
 int userId;
 int id;
 String title;
 String body;

 Post({
  this.userId,
  this.id,
  this.title,
  this.body,
 }){
  multi = multi ?? [];
}


fromJson(Map<String, dynamic> json) {
  userId = json['userId'] ?? userId;
  id = json['id'] ?? id;
  title = json['title'] ?? title;
  body = json['body'] ?? body;
  return super.fromJson(json);
 }


 Map<String, dynamic> toJson() {
 final Map<String, dynamic> data = new Map<String, dynamic>();
  data['userId'] = this.userId;
  data['id'] = this.id;
  data['title'] = this.title;
  data['body'] = this.body;

  return data;
 }

void setMulti(List d) {
  List r = d.map((e) {
    Post m = Post();
    m.fromJson(e);
    return m;
      }).toList();
      multi = r;
    }

}

/////////////////////////////-- View --/////////////////////////////

import 'package:mc/mc.dart';
import 'Request.dart';
import 'PostModel.dart';
import 'package:flutter/material.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'MVCR Package',
      theme: ThemeData(
        primaryColor: Colors.brown,
        visualDensity: VisualDensity.adaptivePlatformDensity,
      ),
      home: MyHomePage(title: 'MVCR Package'),
    );
  }
}

class PostExample extends StatelessWidget {
  Post post = Post();
  PostExample({this.title}) {
    // Save your model to use on another screen
    // (!) means if you close and open this screen you will use same data without update it from Api
    // [mc] is instance of Mccontroller injected in Stateless and ful widget by extension for use it easily
    post = mc.add('!posts', post);
  }
  final String title;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(
          "Refresh Posts with swip to down or from here =>",
          style: TextStyle(fontSize: 11.0),
        ),
        actions: [
          IconButton(
              icon: Icon(Icons.data_usage),
              // Refresh Data from Api
              onPressed: () => request.getObjData("posts", post, multi: true))
        ],
      ),
      body: Container(
          height: MediaQuery.of(context).size.height,
          width: MediaQuery.of(context).size.width,
          child: FutureBuilder(
            future: post.multi.isEmpty
                ? request.getObjData("posts", post, multi: true)
                : null,
            builder: (BuildContext __, snp) {
              return McView(
                model: post,
                builder: (BuildContext context, Widget child) {
                  return !post.loading
                      ? RefreshIndicator(
                          onRefresh: () =>
                              request.getObjData("posts", post, multi: true),
                          child: ListView.builder(
                            itemCount: post.multi.length,
                            itemBuilder: (BuildContext context, int index) {
                              return ListTile(
                                leading: Text(post.multi[index].id.toString()),
                                title: Text(post.multi[index].title),
                                onTap: () => Navigator.of(context).push(
                                    MaterialPageRoute(
                                        builder: (BuildContext context) {
                                  return Details(index);
                                })),
                              );
                            },
                          ),
                        )
                      : Center(child: CircularProgressIndicator());
                },
              );
            },
          )),
    );
  }
}

/////////////////////////////////--Another View to use same data--//////////////////////////////////

import 'package:mc/mc.dart';
import 'Request.dart';
import 'PostModel.dart';
import 'package:flutter/material.dart';

/////We will use same data on this page by controller
class Details extends StatelessWidget {
  final int index;
  Post post;
  //you can it directly here or in constractor with mc
  //Post post = McController().get('posts')
  Details(this.index) {
    //get your model by key
    post = mc.get("posts");
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: ListTile(
          leading: Text(post.multi[index].id.toString()),
          title: Text(post.multi[index].title),
          subtitle: Text(post.multi[index].body),
        ),
      ),
    );
  }
}

/////////////////////////////-- Request --/////////////////////////////

import 'package:mc/mc.dart';

//your url with http or https protocol
String baseUrl = 'jsonplaceholder.typicode.com';
String token = "4acabed770cf............................";
Map<String, String> apiHeaders = {
  "Authorization": "Token " + token,
  "Content-Type": "application/json",
  "Accept": "application/json, text/plain, */*",
  "X-Requested-With": "XMLHttpRequest",
};
McRequest request = McRequest(url: baseUrl);
// Save request object in controller for use it in another screen add (!) if you want to set readonly for this object 
McController('!request',request)

More example

License

MIT License

Copyright (c) 2021 Mohammed CHAHBOUN

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.