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using System;
using System.ComponentModel;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Runtime.Serialization.Json;
using System.Collections.ObjectModel;
using System.Windows;
using Juick.Api;
using RestSharp;
namespace Juick.ViewModels
{
public class MainViewModel : INotifyPropertyChanged
{
public MainViewModel()
{
this.MyFeed = new ObservableCollection<MessageViewModel>();
this.Last = new ObservableCollection<MessageViewModel>();
}
/// <summary>
/// A collection for MessageViewModel objects.
/// </summary>
public ObservableCollection<MessageViewModel> MyFeed { get; private set; }
/// <summary>
/// A collection for MessageViewModel objects.
/// </summary>
public ObservableCollection<MessageViewModel> Last { get; private set; }
public bool IsDataLoaded
{
get;
private set;
}
/// <summary>
/// Creates and adds a few MessageViewModel objects into the MyFeed collection.
/// </summary>
public void LoadData()
{
var request = new RestRequest("/home?1=1" + "&rnd=" + Environment.TickCount);
App.Client.Authenticator = new HttpBasicAuthenticator(App.Account.Credentials.UserName, App.Account.Credentials.Password);
App.Client.ExecuteAsync(request, response =>
{
if (response.StatusCode != HttpStatusCode.OK)
{
MessageBox.Show(response.StatusCode.ToString());
return;
}
var ser = new DataContractJsonSerializer(typeof (List<Message>));
var messages =
(List<Message>)ser.ReadObject(new MemoryStream(response.RawBytes));
MyFeed.Clear();
messages.ForEach(post => MyFeed.Add(new MessageViewModel(post)
{
Status =
string.Format(
"Posted on: {0}, replies: {1}",
post.timestamp,
post.replies)
}));
NotifyPropertyChanged("MyFeed");
});
var lastrequest = new RestRequest("/messages?1=1" + "&rnd=" + Environment.TickCount);
App.Client.ExecuteAsync(lastrequest, response =>
{
var ser = new DataContractJsonSerializer(typeof(List<Message>));
using (var ms = new MemoryStream(response.RawBytes))
{
var messages =
(List<Message>)ser.ReadObject(ms);
if (messages == null) return;
Last.Clear();
messages.ForEach(post => Last.Add(new MessageViewModel(post)
{
Status = string.Format(
"Posted on: {0}, replies: {1}",
post.timestamp, post.replies
)
}));
NotifyPropertyChanged("Last");
}
});
}
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyPropertyChanged(String propertyName)
{
PropertyChangedEventHandler handler = PropertyChanged;
if (null != handler)
{
handler(this, new PropertyChangedEventArgs(propertyName));
}
}
}
}
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