code.grnet.gr Git - pithos-ms-client/blob - trunk/Pithos.Client.WPF/Shell/FeedbackViewModel.cs

   1 // -----------------------------------------------------------------------
   2 // <copyright file="FeedbackViewModel.cs" company="Microsoft">
   3 // TODO: Update copyright text.
   4 // </copyright>
   5 // -----------------------------------------------------------------------
   6
   7 using System.Collections.Specialized;
   8 using System.ComponentModel.Composition;
   9 using System.Diagnostics;
  10 using System.Diagnostics.Contracts;
  11 using System.IO;
  12 using System.Net;
  13 using System.Reflection;
  14 using System.Windows;
  15 using Caliburn.Micro;
  16 using Pithos.Client.WPF.Properties;
  17
  18 namespace Pithos.Client.WPF.Shell
  19 {
  20     using System;
  21     using System.Collections.Generic;
  22     using System.Linq;
  23     using System.Text;
  24
  25     /// <summary>
  26     /// TODO: Update summary.
  27     /// </summary>
  28     [Export(typeof(FeedbackViewModel))]
  29     public class FeedbackViewModel:Screen
  30     {
  31         public string Message { get; set; }
  32
  33         public string Data { get; set; }
  34
  35         private IWindowManager _windowManager;
  36
  37         private static readonly log4net.ILog Log = log4net.LogManager.GetLogger("Pithos");
  38
  39
  40         [ImportingConstructor]
  41         public FeedbackViewModel(IWindowManager windowManager)
  42         {
  43             _windowManager = windowManager;
  44             Data = GetBasicData() ;
  45         }
  46
  47         public void AppendData(string data)
  48         {
  49             Data = Data + "\r\n" + data;
  50         }
  51
  52         private string GetBasicData()
  53         {
  54             Assembly assembly = Assembly.GetExecutingAssembly();
  55
  56             var attributes = assembly.GetCustomAttributes(false);
  57             var versionAtt = attributes.OfType<AssemblyInformationalVersionAttribute>().First();
  58             var fileVersion = FileVersionInfo.GetVersionInfo(assembly.Location);
  59             var released = DateTime.Parse(versionAtt.InformationalVersion);
  60
  61
  62             var builder = new StringBuilder();
  63
  64             builder.AppendLine("Pithos Windows Client")
  65                 .Append('-', 30)
  66                 .AppendLine()
  67                 .AppendFormat("Released: {0}\r\n", released)
  68                 .AppendFormat("File Version: {0}\r\n", fileVersion.FileVersion)
  69                 .AppendFormat("Assembly Version: {0}\r\n", assembly.GetName().Version)
  70                 .AppendFormat("OS: {0} 64Bit: {1}\r\n",Environment.OSVersion,Environment.Is64BitOperatingSystem)
  71                 .AppendFormat("Wokring Set: {0} bytes\r\n", Environment.WorkingSet)
  72                 .AppendFormat("Processors: {0} \r\n", Environment.ProcessorCount)
  73                 .Append('=', 30)
  74                 .AppendLine();
  75             var basicData = builder.ToString();
  76             return basicData;
  77
  78         }
  79
  80         public void Send()
  81         {
  82             var message = "Pithos Windows Client Feedback:\r\n" +Message;
  83             var fields = new Dictionary<string, string> { { "feedback-msg", message }, { "feedback-data", Data } };
  84             string token="0007";
  85             if (Settings.Default.Accounts.Count>0)
  86                 token = Settings.Default.Accounts[0].ApiKey;
  87             try
  88             {
  89                 PostForm(Settings.Default.FeedbackUri, token,fields);
  90             }
  91             catch (Exception exc)
  92             {
  93                 Log.Error("Failed to submit feedback",exc);
  94                 MessageBox.Show("There was an error while submitting your feedback. The error was logged", "Failed to submit feedback",
  95                                 MessageBoxButton.OK, MessageBoxImage.Error);
  96             }
  97
  98             TryClose();
  99         }
 100
 101         private void PostForm(string formUrl, string token,Dictionary<string, string> fields)
 102         {
 103
 104             if (String.IsNullOrWhiteSpace(formUrl))
 105                 throw new ArgumentNullException("formUrl");
 106             if (String.IsNullOrWhiteSpace(token))
 107                 throw new ArgumentNullException("token");
 108             if (fields == null)
 109                 throw new ArgumentNullException("fields");
 110             Contract.EndContractBlock();
 111
 112
 113             var client = new WebClient();
 114             client.Headers.Add("X-Auth-Token", token);
 115
 116             var values=new NameValueCollection();
 117             fields.Apply(field => values.Add(field.Key, Uri.EscapeDataString(field.Value)));
 118             try
 119             {
 120                 client.UploadValues(formUrl, values);
 121             }
 122             catch (WebException exc)
 123             {
 124                 Log.WarnFormat("Unexpected status returned from feedback form: {0} - {1}", exc.Status,exc.Message);
 125             }
 126         }
 127     }
 128 }