Teso_Mobile/lib/Pages/Sub_Pages/Notifications/newMessage.dart

import 'package:provider/provider.dart';
import 'package:teso/Classes/TesoUser.dart';
import 'package:teso/Pages/PageWidgets/Friends/friendTile.dart';
import 'package:teso/Pages/PageWidgets/Inbox/newMessageHeader.dart';
import 'package:teso/Pages/Sub_Pages/Notifications/ChatScreen.dart';
import 'package:teso/providers/pageAnimations.dart';
import 'package:flutter/material.dart';
import 'package:teso/Pages/PageWidgets/Friends/header.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:http/http.dart' as http;
import 'package:teso/providers/user_provider.dart';
import 'package:teso/util/consts.dart';
import 'dart:convert';

class NewMessage extends StatefulWidget {
  @override
  _NewMessageState createState() => _NewMessageState();
}

class _NewMessageState extends State<NewMessage> {
  TextEditingController searchkey;
  List<TesoUser> recipientMain = <TesoUser>[];
  List<TesoUser> recipient;
  SharedPreferences prefs;

  void clearText() {
    setState(() {
      // searchkey.clear();
      // recipient = recipientMain;
      // recipient.sort((a, b) {
      //   return b.userID.compareTo(a.userID);
      // });
    });
  }

  @override
  void initState() {
    searchkey = new TextEditingController();
    Provider.of<UserProvider>(context, listen: false).loadFriends();
    super.initState();
  }

  Future<void> loadFriends() async {
    prefs = await SharedPreferences.getInstance();
    String token = prefs.getString("tokensTeso");
    Map<String, String> requestHeaders = {
      'Content-type': 'application/json',
      'Authorization': token
    };
    var register = serverLocation + 'relationships/friends';
    var client = await http.get(Uri.parse(register), headers: requestHeaders);
    if (client.statusCode == 200) {
      var people = jsonDecode(client.body);
      recipientMain = List<TesoUser>.from(
          people.map((model) => TesoUser.fromJSON(model)).toList());
    }

    recipient = recipientMain;
    recipient.sort((a, b) {
      return b.firstname.compareTo(a.firstname);
    });
  }

  updateList(String name) {
    setState(() {
      recipient = recipientMain
          .where((element) =>
              element.username.toLowerCase().contains(name.toLowerCase()))
          .toList();
      recipient.sort((a, b) {
        return b.firstname.compareTo(a.firstname);
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: PreferredSize(
        preferredSize: Size.fromHeight(150),
        child: Container(
          margin: EdgeInsets.only(top: 30),
          child: Column(children: [
            buildNewHead(context, clearText, "New Message"),
            buildFriendsHeader(context, searchkey, updateList),
          ]),
        ),
      ),
      body: Consumer<UserProvider>(
        builder: (context, value, child) {
          if (value.friends == null) {
            return Center(
              child: CircularProgressIndicator(
                valueColor: AlwaysStoppedAnimation<Color>(
                    Theme.of(context).primaryColor),
              ),
            );
          } else {
            if (recipientMain.length == 0) {
              recipientMain = value.friends;
              recipient = value.friends;
            }
            recipient.sort((a, b) {
              return b.firstname.compareTo(a.firstname);
            });
            return ListView.builder(
              itemCount: recipient.length,
              itemBuilder: (context, int index) {
                return InkWell(
                  onTap: () => Navigator.pushReplacement(
                    context,
                    PageTransition(
                      child: ChatScreen(user: recipient.elementAt(index)),
                      type: PageTransitionType.fade,
                    ),
                  ),
                  child: buildFriend(context, recipient.elementAt(index)),
                );
              },
            );
          }
        },
      ),
    );
  }
}