1 files changed, 111 insertions, 0 deletions
diff --git a/Juick/ViewModels/PageViewModel.cs b/Juick/ViewModels/PageViewModel.cs
new file mode 100644
index 0000000..9b9cae5
--- /dev/null
+++ b/Juick/ViewModels/PageViewModel.cs
@@ -0,0 +1,111 @@
+using System;
+using System.Linq;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Net;
+using System.Windows;
+using System.Windows.Media.Imaging;
+using Juick.Classes;
+using JuickApi;
+using RestSharp;
+using System.Diagnostics;
+using System.Windows.Navigation;
+using Microsoft.Phone.Controls;
+using System.Windows.Controls;
+
+namespace Juick.ViewModels
+{
+    public class PageViewModel : ViewModelBase
+    {
+        public PageViewModel(AppViewModel context)
+        {
+            this.context = context;
+            Items = new ObservableCollection<PostItem>();
+            LoadMessagesPageCommand = new DelegateCommand(LoadData, () => !context.IsDataLoading);
+            NavigateNextCommand = new DelegateCommand(NavigateToThread, () => true);
+        }
+
+        private AppViewModel context;
+
+        public string RestUri { get; set; }
+        public virtual string Caption { get { return "juick"; } }
+
+        /// <summary>
+        /// A collection for MessageViewModel objects.
+        /// </summary>
+        public ObservableCollection<PostItem> Items { get; private set; }
+
+        public DelegateCommand LoadMessagesPageCommand { get; private set; }
+
+        public DelegateCommand NavigateNextCommand { get; private set; }
+
+        public void NavigateToThread(object param)
+        {
+            var selectionChangedEventArgs = param as SelectionChangedEventArgs;
+            if (param != null)
+            {
+                ((App)App.Current).NavigateTo(new Uri(string.Format("/ThreadView.xaml?mid={0}", ((PostItem)selectionChangedEventArgs.AddedItems[0]).MID), UriKind.Relative));
+            }
+            
+        }
+
+        /// <summary>
+        /// Creates and adds a few MessageViewModel objects into the Items collection.
+        /// </summary>
+        public void LoadData(object EventArgs)
+        {
+            const int offset = 5;
+            if (context.IsDataLoading)
+            {
+                return;
+            }
+            if (EventArgs != null)
+            {
+                var item = (EventArgs as LinkUnlinkEventArgs).ContentPresenter.Content;
+                if (!item.Equals(Items[Items.Count - offset])) {
+                    return;
+                }
+            }
+
+            int count = Items.Count;
+            
+
+            if (string.IsNullOrEmpty(RestUri))
+            {
+                RestUri = "/home?1=1";
+            }
+
+            // super-костыли
+            // todo: rewrite
+            else if (RestUri.StartsWith("/home?", StringComparison.InvariantCulture) && Items.Count > 0)
+            {
+                var lastItem = Items[Items.Count - 1];
+                RestUri = string.Format("/home?before_mid={0}", lastItem.MID);
+            }
+            else if (RestUri.StartsWith("/messages?", StringComparison.InvariantCulture) && Items.Count > 0)
+            {
+                var lastItem = Items[Items.Count - 1];
+                RestUri = string.Format("/messages?before_mid={0}", lastItem.MID);
+            }
+
+            var request = new RestRequest(RestUri + "&rnd=" + Environment.TickCount);
+            context.Client.Authenticator = new HttpBasicAuthenticator(context.Account.Credentials.UserName, context.Account.Credentials.Password);
+            context.Client.ExecuteAsync<List<Message>>(request, ProcessResponse);
+            context.IsDataLoading = true;
+        }
+
+        void ProcessResponse(IRestResponse<List<Message>> response)
+        {
+            context.IsDataLoading = false;
+            if (response.StatusCode != HttpStatusCode.OK)
+            {
+                MessageBox.Show(response.StatusCode.ToString());
+                return;
+            }
+
+            //Items.Clear();
+            response.Data.Select(x => new PostItem(x)).ToList().ForEach(i => Items.Add(i));
+        }
+    }
+}