/// <summary>
/// Dequeue the first record
/// </summary>
public static RequestRecord DequeueRequestRecord()
{
List<RequestRecord> requests = new List<RequestRecord>();
DataContractJsonSerializer dc = new DataContractJsonSerializer(requests.GetType());
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
lock (fileLock)
{
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(@"RequestRecords.xml", FileMode.Open, file))
{
try
{
// if the file opens, read the contents
requests = dc.ReadObject(stream) as List<RequestRecord>;
if (requests.Count > 0)
{
RequestRecord record = requests[0];
requests.Remove(record); // remove the first entry
stream.SetLength(0);
stream.Position = 0;
dc.WriteObject(stream, requests);
record.DeserializeBody();
return record;
}
else
return null;
}
catch (Exception)
{
stream.Position = 0;
string s = new StreamReader(stream).ReadToEnd();
return null;
}
}
}
}
}
public void ExportClicked(object sender, EventArgs e)
{
WriteLog("Starting export");
List<Role> roles = new List<Role>();
URM.UserRoleManager urmServer = new URM.UserRoleManager();
using (urmServer.CreateConnection())
{
urmServer.Connection.Open(ConnectionString);
WriteLog("Connected to K2 server");
string[] serverRoles = urmServer.GetRoleNameList();
foreach (string role in serverRoles)
{
WriteLog("Exporting role {0}", role);
URM.Role urmRole = urmServer.GetRole(role);
Role r = this.CopyToLocalRole(urmRole);
roles.Add(r);
}
WriteLog("Writing {0} roles to XML file", roles.Count);
XmlSerializer xmlSer = new XmlSerializer(roles.GetType());
XmlTextWriter writer = new XmlTextWriter(txtFileLocation.Text, Encoding.Unicode);
writer.Formatting = Formatting.Indented;
xmlSer.Serialize(writer, roles);
writer.Flush();
writer.Close();
WriteLog("Closing K2 connection.");
}
}
/// <summary>
/// Enqueue a Web Service record into the record queue
/// </summary>
public static void EnqueueRequestRecord(RequestRecord newRecord)
{
bool enableQueueOptimization = false; // turn off the queue optimization (doesn't work with introduction of tags)
List<RequestRecord> requests = new List<RequestRecord>();
DataContractJsonSerializer dc = new DataContractJsonSerializer(requests.GetType());
if (newRecord.SerializedBody == null)
newRecord.SerializeBody();
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
lock (fileLock)
{
// if the file opens, read the contents
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(@"RequestRecords.xml", FileMode.OpenOrCreate, file))
{
try
{
// if the file opened, read the record queue
requests = dc.ReadObject(stream) as List<RequestRecord>;
if (requests == null)
requests = new List<RequestRecord>();
}
catch (Exception)
{
stream.Position = 0;
string s = new StreamReader(stream).ReadToEnd();
}
if (enableQueueOptimization == true)
{
OptimizeQueue(newRecord, requests);
}
else
{
// this is a new record so add the new record at the end
requests.Add(newRecord);
}
// reset the stream and write the new record queue back to the file
stream.SetLength(0);
stream.Position = 0;
dc.WriteObject(stream, requests);
stream.Flush();
}
}
}
}
/// <summary>
/// Get the first RequestRecord in the queue
/// </summary>
public static RequestRecord GetRequestRecord()
{
List<RequestRecord> requests = new List<RequestRecord>();
DataContractJsonSerializer dc = new DataContractJsonSerializer(requests.GetType());
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
lock (fileLock)
{
// try block because the using block below will throw if the file doesn't exist
try
{
// if the file opens, read the contents
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(@"RequestRecords.xml", FileMode.Open, file))
{
try
{
// if the file opens, read the contents
requests = dc.ReadObject(stream) as List<RequestRecord>;
if (requests.Count > 0)
{
RequestRecord record = requests[0];
record.DeserializeBody();
return record;
}
else
return null;
}
catch (Exception)
{
stream.Position = 0;
string s = new StreamReader(stream).ReadToEnd();
return null;
}
}
}
catch (Exception)
{
// could not open the isolated storage file
return null;
}
}
}
}
private static string ConstructJson(List<FreeSlot> FreeList)
{
MemoryStream ms = new MemoryStream();
DataContractJsonSerializer ser = new DataContractJsonSerializer(FreeList.GetType());
ser.WriteObject(ms, FreeList);
byte[] json = ms.ToArray();
ms.Close();
return Encoding.UTF8.GetString(json, 0, json.Length);
}
/// <summary>
/// Get all RequestRecords in the queue
/// </summary>
public static List<RequestRecord> GetAllRequestRecords()
{
List<RequestRecord> requests = new List<RequestRecord>();
DataContractJsonSerializer dc = new DataContractJsonSerializer(requests.GetType());
using (IsolatedStorageFile file = IsolatedStorageFile.GetUserStoreForApplication())
{
lock (fileLock)
{
// try block because the using block below will throw if the file doesn't exist
try
{
// if the file opens, read the contents
using (IsolatedStorageFileStream stream = new IsolatedStorageFileStream(@"RequestRecords.xml", FileMode.Open, file))
{
try
{
// if the file opens, read the contents
requests = dc.ReadObject(stream) as List<RequestRecord>;
foreach (var req in requests)
{
req.DeserializeBody();
}
return requests;
}
catch (Exception)
{
return null;
}
}
}
catch (Exception)
{
// could not open the isolated storage file
return null;
}
}
}
}
private void newsRecuperees(object sender, OpenReadCompletedEventArgs e)
{
if (e.Error == null)
{
List<News> deserializedUser = new List<News>();
DataContractJsonSerializer ser = new DataContractJsonSerializer(deserializedUser.GetType());
deserializedUser = ser.ReadObject(e.Result) as List<News>;
foreach (News i in deserializedUser)
{
News.Add(new NewsViewModel() { prenom = i.Prenom, date = i.date, contenu = i.news, titre = i.titre });
}
}
}
private void horairesDownloader_OpenReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
if (e.Error == null)
{
List<Horaire> deserializedUser = new List<Horaire>();
DataContractJsonSerializer ser = new DataContractJsonSerializer(deserializedUser.GetType());
deserializedUser = ser.ReadObject(e.Result) as List<Horaire>;
foreach (Horaire i in deserializedUser)
{
Horaires.Add(new HorairesViewModel() { Jour = i.jour, Heures = i.heures});
}
}
}
private void annalesRecuperees(object sender, OpenReadCompletedEventArgs e)
{
if (e.Error == null)
{
List<Annale> deserializedUser = new List<Annale>();
DataContractJsonSerializer ser = new DataContractJsonSerializer(deserializedUser.GetType());
deserializedUser = ser.ReadObject(e.Result) as List<Annale>;
foreach (Annale i in deserializedUser)
{
UVs.Add(new UVViewModel() { NomUV = i.Nom, NbPages = i.Pages });
}
}
}
private static List<FavoriteRouteAndStop> ReadFavoritesFromDisk(string fileName)
{
List<FavoriteRouteAndStop> favoritesFromFile = new List<FavoriteRouteAndStop>();
try
{
using (IsolatedStorageFile appStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (appStorage.FileExists(fileName) == true)
{
using (IsolatedStorageFileStream favoritesFile = appStorage.OpenFile(fileName, FileMode.Open))
{
List<Type> knownTypes = new List<Type>(2);
knownTypes.Add(typeof(FavoriteRouteAndStop));
knownTypes.Add(typeof(RecentRouteAndStop));
DataContractSerializer serializer = new DataContractSerializer(favoritesFromFile.GetType(), knownTypes);
favoritesFromFile = serializer.ReadObject(favoritesFile) as List<FavoriteRouteAndStop>;
}
// This is required because we changed the data format between versions
if (favoritesFromFile.Count > 0 && favoritesFromFile[0].version != FavoriteRouteAndStop.CurrentVersion)
{
// Currently we don't support backwards compatability, just delete all their favorites/recents
appStorage.DeleteFile(fileName);
favoritesFromFile = new List<FavoriteRouteAndStop>();
}
}
else
{
favoritesFromFile = new List<FavoriteRouteAndStop>();
}
}
}
catch (Exception)
{
Debug.Assert(false);
// We hit an error deserializing the file so delete it if it exists
using (IsolatedStorageFile appStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (appStorage.FileExists(fileName) == true)
{
appStorage.DeleteFile(fileName);
}
}
throw;
}
return favoritesFromFile;
}
private static void WriteFavoritesToDisk(List<FavoriteRouteAndStop> favoritesToWrite, string fileName)
{
using (IsolatedStorageFile appStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream favoritesFile = appStorage.OpenFile(fileName, FileMode.Create))
{
List<Type> knownTypes = new List<Type>(2);
knownTypes.Add(typeof(FavoriteRouteAndStop));
knownTypes.Add(typeof(RecentRouteAndStop));
DataContractSerializer serializer = new DataContractSerializer(favoritesToWrite.GetType(), knownTypes);
serializer.WriteObject(favoritesFile, favoritesToWrite);
}
}
}
