azamsharp

//
//  ContentView.swift
//  NearMeSwiftUI
//
//  Created by Mohammad Azam on 1/10/20.
//  Copyright © 2020 Mohammad Azam. All rights reserved.
//

import SwiftUI
import MapKit

azamsharp

 Positioned(
        bottom: 0,
        child: AnimatedContainer(
          height: _expanded ? 800 : 210,
          duration: Duration(milliseconds: 500),
          curve: Curves.easeInOut,
          child: NewsList(
              articles: vm.newsArticles,
              onHeaderTapped: () {
                setState(() {

azamsharp

import 'package:flutter/material.dart';
import 'package:stocks_app_flutter/view_models/home_page_view_model.dart';

class NewsList extends StatelessWidget {

  final List<NewsArticleViewModel> articles;
  
  final Function onHeaderTapped;
  final Function(DragUpdateDetails) onDragUpdate; 
  

azamsharp

  Future<void> load() async {

    final list = await Future.wait([Webservice().getStocks(), Webservice().getTopNews()]);

    stocks = list.first.map((stock) => StockViewModel(stock: stock)).toList(); // stocks 
    newsArticles = list.last.map((newsArticle) => NewsArticleViewModel(newsArticle: newsArticle)).toList(); // news articles 

    notifyListeners(); 
}

azamsharp

class NewsArticleViewModel {

  final NewsArticle newsArticle; 

  NewsArticleViewModel({this.newsArticle});

  String get title {
    return newsArticle.title; 
  }

azamsharp

class NewsArticle {

    final String title; 
    final String publication; 
    final String imageURL; 

    NewsArticle({this.title, this.publication, this.imageURL});

    factory NewsArticle.fromJson(Map<String, dynamic> json) {

azamsharp

 Future<List<NewsArticle>> getTopNews() async {
    
    final url = "https://silicon-rhinoceros.glitch.me/top-news"; 

    final response = await http.get(url); 
    if(response.statusCode == 200) {
      Iterable json = jsonDecode(response.body); 
      return json.map((newsArticle) => NewsArticle.fromJson(newsArticle)).toList(); 
    } else {
      throw Exception("Error fetching news"); 

azamsharp

app.get("/top-news", (req, res) => {
  let articles = [
    {
      title: "The Bull Market is Charging into 2020",
      publication: "THE WALSTREET JOURNAL",
      imageURL: "https://i.ytimg.com/vi/gtkiRJwSN10/maxresdefault.jpg"
    },
    {
      title: "Tencent Groups 10% of Univercal Music",
      publication: "Bloomberg",

azamsharp

class StockListViewModel extends ChangeNotifier {

  List<StockViewModel> stocks = List<StockViewModel>();
  List<StockViewModel> allStocks = List<StockViewModel>();

  Future<void> fetchStocks() async {
    ...
  }

  void search(String searchTerm) {

azamsharp

import 'package:flutter/material.dart';
import 'package:stocks_app_flutter/view_models/stock_list_view_model.dart';

class StockList extends StatelessWidget {

  final List<StockViewModel> stocks; 

  StockList({this.stocks});