Teso_Mobile/lib/Pages/Sub_Pages/Campaign/CreatePost.dart

import 'dart:convert';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:teso/Classes/Uploading.dart';
import 'package:teso/providers/user_provider.dart';
import 'package:teso/util/consts.dart';
import 'package:http/http.dart' as http;

class CreateCampaignPost extends StatefulWidget {
  final String video;
  final Uint8List thumbnail;
  final String campaignID;
  final String aspectRatio;

  const CreateCampaignPost({
    Key key,
    this.video,
    this.thumbnail,
    this.campaignID,
    this.aspectRatio,
  }) : super(key: key);
  @override
  _CreateCampaignPostState createState() => _CreateCampaignPostState();
}

class _CreateCampaignPostState extends State<CreateCampaignPost> {
  String aspectRatio;
  TextEditingController controller;
  SharedPreferences prefs;
  bool sending = false;

  void postVideo(context) async {
    setState(() {
      sending = true;
    });
    try {
      SharedPreferences prefs = await SharedPreferences.getInstance();
      String token = prefs.getString("tokensTeso");
      Map<String, String> requestHeaders = {'Authorization': token};
      String urlLocation = tesoStreaming + "api/mobile/upload/authurl";
      var client =
          await http.get(Uri.parse(urlLocation), headers: requestHeaders);
      if (client.statusCode == 200) {
        var details = jsonDecode(client.body);
        String muxuploadsID = details["data"]["id"];
        String muxuploadsURL = details["data"]["url"];

        Provider.of<UserProvider>(context, listen: false).uploadPost(Uploading(
          id: DateTime.now().toString() +
              widget.video.replaceAll("file://", ""),
          aspect: widget.aspectRatio,
          path: widget.video.replaceAll("file://", ""),
          thumbnail:
              widget.thumbnail != null ? base64Encode(widget.thumbnail) : null,
          title: controller.text,
          pending: 0,
          campaignID: widget.campaignID,
          muxuploadID: muxuploadsID,
          muxuploadURL: muxuploadsURL,
        ));
        Navigator.pop(context);
      }
    } catch (e) {
      print(e);
    }
    setState(() {
      sending = false;
    });
  }

  @override
  void initState() {
    super.initState();
    controller = new TextEditingController();
  }

  @override
  void dispose() {
    super.dispose();
    controller.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: PreferredSize(
        child: AppBar(
          automaticallyImplyLeading: true,
          title: Text("Post"),
          centerTitle: true,
        ),
        preferredSize: Size.fromHeight(70.0),
      ),
      body: SingleChildScrollView(
        child: Container(
          width: MediaQuery.of(context).size.width,
          height: MediaQuery.of(context).size.height,
          padding: EdgeInsets.all(MediaQuery.of(context).size.width * 0.025),
          child: Column(
            children: [
              Container(
                width: MediaQuery.of(context).size.width,
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Container(
                      width: MediaQuery.of(context).size.width * 0.25,
                      height: MediaQuery.of(context).size.width * 0.35,
                      color: Colors.black,
                      child: widget.thumbnail != null
                          ? Image.memory(widget.thumbnail)
                          : CupertinoActivityIndicator(
                              animating: true,
                              radius: 15,
                            ),
                    ),
                    Container(
                      width: (MediaQuery.of(context).size.width) -
                          (MediaQuery.of(context).size.width * 0.35),
                      height: MediaQuery.of(context).size.width * 0.35,
                      child: TextField(
                        decoration: InputDecoration(
                          border: OutlineInputBorder(
                            borderSide: BorderSide.none,
                          ),
                          filled: true,
                          isDense: true,
                          labelText: "Say Something..",
                          labelStyle: TextStyle(
                            color: Colors.black54,
                          ),
                          fillColor: Colors.white70,
                        ),
                        controller: controller,
                        maxLines: null,
                        keyboardType: TextInputType.text,
                        textInputAction: TextInputAction.done,
                      ),
                    ),
                  ],
                ),
              ),
              SizedBox(
                height: 20,
              ),
              Divider(),
              Container(
                margin: EdgeInsets.only(
                  top: 10,
                ),
                child: Text(
                  "Teso businesses and other Teso users can see your post in their feeds and on your profile.",
                  textAlign: TextAlign.center,
                  style: TextStyle(
                    color: Colors.grey,
                  ),
                ),
              ),
            ],
          ),
        ),
      ),
      floatingActionButton: !sending
          ? Container(
              margin: EdgeInsets.all(20),
              width: MediaQuery.of(context).size.width,
              decoration: BoxDecoration(
                borderRadius: BorderRadius.circular(15.0),
                color: tesoBlue,
              ),
              child: InkWell(
                onTap: () => postVideo(context),
                child: Center(
                  child: Text(
                    "NEXT",
                    style: TextStyle(
                      color: Colors.white,
                    ),
                  ),
                ),
              ),
              height: 50,
            )
          : Container(
              width: MediaQuery.of(context).size.width,
              height: 50,
              child: Center(
                child: CupertinoActivityIndicator(
                  animating: true,
                  radius: 15,
                ),
              ),
            ),
      floatingActionButtonLocation: FloatingActionButtonLocation.centerFloat,
    );
  }
}