public static void removeSentMessage(long timestamp)
{
lock (lockObj)
{
using (HikeMqttPersistenceDb context = new HikeMqttPersistenceDb(App.MqttDBConnectionstring))
{
List <HikePacket> entriesToDelete = DbCompiledQueries.GetMqttMsgForTimestamp(context, timestamp).ToList();
if (entriesToDelete == null || entriesToDelete.Count == 0)
{
return;
}
context.mqttMessages.DeleteAllOnSubmit <HikePacket>(entriesToDelete);
try
{
context.SubmitChanges(ConflictMode.ContinueOnConflict);
Debug.WriteLine("Removed unsent packet with timestamp :: " + timestamp);
}
catch (ChangeConflictException e)
{
Debug.WriteLine(e.Message);
Debug.WriteLine("Failed to remove unsent packet with timestamp :: " + timestamp);
// Automerge database values for members that client
// has not modified.
foreach (ObjectChangeConflict occ in context.ChangeConflicts)
{
occ.Resolve(RefreshMode.KeepChanges);
}
}
// Submit succeeds on second try.
context.SubmitChanges(ConflictMode.FailOnFirstConflict);
}
}
}
/// <summary>
/// Thread safe function to update msg status
/// </summary>
/// <param name="ids"></param>
/// <param name="status"></param>
/// <returns></returns>
public static string updateAllMsgStatus(string fromUser, long[] ids, int status)
{
bool shouldSubmit = false;
string msisdn = null;
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring + ";Max Buffer Size = 1024"))
{
for (int i = 0; i < ids.Length; i++)
{
ConvMessage message = DbCompiledQueries.GetMessagesForMsgId(context, ids[i]).FirstOrDefault <ConvMessage>();
if (message != null)
{
if ((int)message.MessageStatus < status)
{
if (fromUser == null || fromUser == message.Msisdn)
{
message.MessageStatus = (ConvMessage.State)status;
msisdn = message.Msisdn;
shouldSubmit = true;
}
}
}
}
if (shouldSubmit)
{
SubmitWithConflictResolve(context);
}
shouldSubmit = false;
return(msisdn);
}
}
public static List <GroupInfo> GetAllGroups()
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
return(DbCompiledQueries.GetAllGroups(context).ToList());
}
}
public static void deleteMultipleRows(List <ContactInfo.DelContacts> ids)
{
if (ids == null || ids.Count == 0)
{
return;
}
bool shouldSubmit = false;
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
//using (HikeChatsDb chats = new HikeChatsDb(App.MsgsDBConnectionstring))
{
for (int i = 0; i < ids.Count; i++)
{
context.users.DeleteAllOnSubmit <ContactInfo>(DbCompiledQueries.GetUsersWithGivenId(context, ids[i].Id));
if (App.ViewModel.ConvMap.ContainsKey(ids[i].Msisdn))
{
ConversationListObject obj = App.ViewModel.ConvMap[ids[i].Msisdn];
obj.ContactName = null;
ConversationTableUtils.saveConvObject(obj, obj.Msisdn);
//ConversationTableUtils.saveConvObjectList();
}
}
}
SubmitWithConflictResolve(context);
}
}
public static string updateMsgStatus(string fromUser, long msgID, int val)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring + ";Max Buffer Size = 1024"))
{
ConvMessage message = DbCompiledQueries.GetMessagesForMsgId(context, msgID).FirstOrDefault <ConvMessage>();
if (message != null)
{
if ((int)message.MessageStatus < val)
{
if (fromUser == null || fromUser == message.Msisdn)
{
message.MessageStatus = (ConvMessage.State)val;
SubmitWithConflictResolve(context);
return(message.Msisdn);
}
else
{
return(null);
}
}
}
else
{
return(null);
}
}
return(null);
}
public static List <Blocked> getBlockList()
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <Blocked> res = DbCompiledQueries.GetBlockList(context).ToList <Blocked>();
return((res == null || res.Count == 0) ? null : res);
}
}
public static GroupInfo getGroupInfoForId(string groupId)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
GroupInfo cObj = DbCompiledQueries.GetGroupInfoForID(context, groupId).FirstOrDefault();
return(cObj);
}
}
public static void deleteGroupWithId(string groupId)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
context.groupInfo.DeleteAllOnSubmit <GroupInfo>(DbCompiledQueries.GetGroupInfoForID(context, groupId));
MessagesTableUtils.SubmitWithConflictResolve(context);
}
}
public static void deleteAllMessagesForMsisdn(string msisdn)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
context.messages.DeleteAllOnSubmit <ConvMessage>(DbCompiledQueries.GetMessagesForMsisdn(context, msisdn));
SubmitWithConflictResolve(context);
}
}
public static List <ConvMessage> getAllMessages()
{
List <ConvMessage> res;
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
res = DbCompiledQueries.GetAllMessages(context).ToList <ConvMessage>();
return((res == null || res.Count == 0) ? null : res.ToList());
}
}
/* This queries messages table and get the last message for given msisdn*/
public static ConvMessage getLastMessageForMsisdn(string msisdn)
{
List <ConvMessage> res;
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
res = DbCompiledQueries.GetMessagesForMsisdn(context, msisdn).ToList <ConvMessage>();
return((res == null || res.Count == 0) ? null : res.Last());
}
}
public static bool IsGroupAlive(string groupId)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
GroupInfo cObj = DbCompiledQueries.GetGroupInfoForID(context, groupId).FirstOrDefault();
if (cObj == null)
{
return(false);
}
return(cObj.GroupAlive);
}
}
public static bool isUserBlocked(string msisdn)
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <Blocked> res = DbCompiledQueries.GetBlockedUserForMsisdn(context, msisdn).ToList <Blocked>();
if (res != null && res.Count > 0)
{
return(true);
}
}
return(false);
}
public static void SetGroupAlive(string groupId)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
GroupInfo cObj = DbCompiledQueries.GetGroupInfoForID(context, groupId).FirstOrDefault();
if (cObj == null)
{
return;
}
cObj.GroupAlive = true;
MessagesTableUtils.SubmitWithConflictResolve(context);
}
}
public static void unblock(string msisdn)
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <Blocked> res = DbCompiledQueries.GetBlockedUserForMsisdn(context, msisdn).ToList <Blocked>();
if (res == null || res.Count == 0)
{
return;
}
context.blockedUsersTable.DeleteAllOnSubmit(res);
SubmitWithConflictResolve(context);
}
}
/* Adds a chat message to message Table.*/
public static bool addMessage(ConvMessage convMessage)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring + ";Max Buffer Size = 1024;"))
{
if (convMessage.MappedMessageId > 0)
{
IQueryable <ConvMessage> qq = DbCompiledQueries.GetMessageForMappedMsgIdMsisdn(context, convMessage.Msisdn, convMessage.MappedMessageId, convMessage.Message);
ConvMessage cm = qq.FirstOrDefault();
if (cm != null)
{
return(false);
}
}
long currentMessageId = convMessage.MessageId;
context.messages.InsertOnSubmit(convMessage);
try
{
context.SubmitChanges();
}
catch (Exception ex)
{
Debug.WriteLine("Exception while inserting msg in CHATS DB : " + ex.StackTrace);
return(false);
}
//if (convMessage.GrpParticipantState == ConvMessage.ParticipantInfoState.NO_INFO)
//{
// long msgId = convMessage.MessageId;
// Deployment.Current.Dispatcher.BeginInvoke(() =>
// {
// NewChatThread currentPage = App.newChatThreadPage;
// if (currentPage != null)
// {
// if (convMessage.IsSent)
// {
// SentChatBubble sentChatBubble;
// currentPage.OutgoingMsgsMap.TryGetValue(currentMessageId, out sentChatBubble);
// if (sentChatBubble != null)
// {
// currentPage.OutgoingMsgsMap.Remove(currentMessageId);
// currentPage.OutgoingMsgsMap.Add(convMessage.MessageId, sentChatBubble);
// sentChatBubble.MessageId = convMessage.MessageId;
// }
// }
// }
// });
//}
}
return(true);
}
public static bool updateGroupName(string groupId, string groupName)
{
using (HikeChatsDb context = new HikeChatsDb(App.MsgsDBConnectionstring))
{
GroupInfo cObj = DbCompiledQueries.GetGroupInfoForID(context, groupId).FirstOrDefault();
if (cObj == null)
{
return(false);
}
cObj.GroupName = groupName;
MessagesTableUtils.SubmitWithConflictResolve(context);
}
return(true);
}
public static void deleteMultipleRows(List <ContactInfo> ids)
{
if (ids == null || ids.Count == 0)
{
return;
}
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
for (int i = 0; i < ids.Count; i++)
{
context.users.DeleteAllOnSubmit <ContactInfo>(DbCompiledQueries.GetUsersWithGivenId(context, ids[i].Id));
}
SubmitWithConflictResolve(context);
}
}
public static void updateOnHikeStatus(string msisdn, bool joined)
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <ContactInfo> res = DbCompiledQueries.GetContactFromMsisdn(context, msisdn).ToList <ContactInfo>();
if (res == null || res.Count == 0)
{
return;
}
foreach (ContactInfo cInfo in res)
{
cInfo.OnHike = (bool)joined;
}
SubmitWithConflictResolve(context);
}
}
public static List <ContactInfo> getAllContacts()
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <ContactInfo> res;
try
{
res = DbCompiledQueries.GetAllContacts(context).ToList <ContactInfo>();
}
catch (ArgumentNullException)
{
res = null;
}
return((res == null || res.Count == 0) ? null : res);
}
}
public static List <ContactInfo> GetAllHikeContactsOrdered()
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <ContactInfo> res;
try
{
res = DbCompiledQueries.GetAllHikeContactsOrdered(context).ToList <ContactInfo>();
}
catch (Exception)
{
res = null;
}
return(res);
}
}
public static ContactInfo getContactInfoFromMSISDN(string msisdn)
{
using (HikeUsersDb context = new HikeUsersDb(App.UsersDBConnectionstring))
{
List <ContactInfo> res;
try
{
res = DbCompiledQueries.GetContactFromMsisdn(context, msisdn).ToList <ContactInfo>();
}
catch (Exception)
{
res = null;
}
return((res == null || res.Count == 0) ? null : res.First());
}
}
/// <summary>
/// Retrives all messages thet were unsent previously, and are required to send when connection re-establishes
/// deletes pending messages from db after reading
/// </summary>
/// <returns></returns>
public static List <HikePacket> getAllSentMessages()
{
try
{
List <HikePacket> res;
using (HikeMqttPersistenceDb context = new HikeMqttPersistenceDb(App.MqttDBConnectionstring))
{
res = DbCompiledQueries.GetAllSentMessages(context).ToList <HikePacket>();
//context.mqttMessages.DeleteAllOnSubmit(context.mqttMessages);
//context.SubmitChanges();
}
return((res == null || res.Count() == 0) ? null : res);
}
catch (Exception e)
{
Debug.WriteLine("Exception while fetching MQTT msgs : " + e.StackTrace);
return(null);
}
}
//private static HikeChatsDb chatsDbContext = new HikeChatsDb(App.MsgsDBConnectionstring); // use this chatsDbContext to improve performance
/* This is shown on chat thread screen*/
public static List <ConvMessage> getMessagesForMsisdn(string msisdn, long lastMessageId, int count)
{
List <ConvMessage> res = DbCompiledQueries.GetMessagesForMsisdnForPaging(DbCompiledQueries.chatsDbContext, msisdn, lastMessageId, count).ToList <ConvMessage>();
return((res == null || res.Count == 0) ? null : res);
}
