public async Task CreateConversation(User sender, User recipient, Message newMessage)
{
UserConversation userConvo = await _conversationRepo.RetrieveUserConversation(sender.Id, recipient.Id);
if (userConvo != null)
{
Conversation convo = await _conversationRepo.Retrieve(userConvo.ConversationsId);
newMessage.Conversation = convo;
await _messageRepo.Create(newMessage);
return;
}
Conversation newConvo = new Conversation {
};
newConvo.UserConversations = new List <UserConversation> {
new UserConversation {
Conversation = newConvo,
User = sender
},
new UserConversation {
Conversation = newConvo,
User = recipient
}
};
newConvo.Messages = new List <Message> {
newMessage
};
await _conversationRepo.Create(newConvo);
}
/// <summary>
/// Update user conversation id
/// </summary>
/// <param name="id"></param>
/// <param name="userConversation"></param>
/// <returns></returns>
public async Task <int> Update(int id, UserConversation userConversation)
{
try
{
var oldUserConversation = _context.UserConversations.SingleOrDefault(x => x.Id == id);
if (oldUserConversation == null)
{
throw new NotFoundException(Errors.UserConversationNotFound);
}
//Update old message fields
oldUserConversation.UpdateModifiedFields(oldUserConversation, ref _context);
userConversation.UpdateDate = DateTime.Now;
_context.Update(oldUserConversation);
await _context.SaveChangesAsync();
return(oldUserConversation.Id);
}
catch
{
throw;
}
}
public List <UserConversation> AddConversation(Conversation conversation, int creatorId, int withWhomId)
{
EntityEntry <Conversation> newlyAdded = DataContext.Conversations.Add(conversation);
DataContext.SaveChanges();
UserConversation forCreator = new UserConversation();
UserConversation forParticipant = new UserConversation();
forCreator.Conversation = newlyAdded.Entity;
forParticipant.Conversation = newlyAdded.Entity;
forCreator.WithWhomId = withWhomId;
forCreator.UserId = creatorId;
forCreator.ConversationId = conversation.ConversationId;
forParticipant.ConversationId = conversation.ConversationId;
forParticipant.WithWhomId = creatorId;
forParticipant.UserId = withWhomId;
EntityEntry <UserConversation> uc = DataContext.UserConversations.Add(forCreator);
EntityEntry <UserConversation> uc2 = DataContext.UserConversations.Add(forParticipant);
DataContext.SaveChanges();
List <UserConversation> userConversations = new List <UserConversation>();
userConversations.Add(uc.Entity);
userConversations.Add(uc2.Entity);
return(userConversations);
}
public IHttpActionResult CreateGroup(string name)
{
try
{
var loginUserId = User.Identity.GetUserId();
var newCon = new Conversation()
{
Id = Guid.NewGuid().ToString(),
CreatedBy = loginUserId,
Name = name,
StartTime = DateTime.Now,
IsGroup = true
};
var savedCon = _context.Conversations.Add(newCon);
var userCon = new UserConversation()
{
ConversationId = savedCon.Id,
UserId = loginUserId,
JoinedTime = DateTime.Now
};
var savedUserCon = _context.UserConversations.Add(userCon);
_context.SaveChanges();
return(Json(savedCon.Id));
}
catch (Exception ex)
{
return(Json("error"));
}
}
public bool CreateNewConversation(User sender, User receiver)
{
try
{
var userConversationSender = new UserConversation();
var userConversationReceiver = new UserConversation();
var userConversations = new List <UserConversation>();
userConversations.Add(userConversationSender);
userConversations.Add(userConversationReceiver);
var user = _context.Users.FirstOrDefault(u => u.Id == sender.Id);
user?.UserConversations.Add(userConversationSender);
_context.Users.FirstOrDefault(u => u.Id == receiver.Id)?.UserConversations.Add(userConversationReceiver);
_context.Conversations.Add(new Conversation {
UserConversations = userConversations
}
);
_context.SaveChanges();
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
}
/// <summary>
/// Sets the conversation identifier for the specified user.
/// </summary>
/// <param name="userId">The user identifier.</param>
/// <param name="conversationId">The conversation identifier.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public async Task SetConversationIdAsync(string userId, string conversationId, CancellationToken cancellationToken)
{
using (var context = new MobileServiceContext())
{
var link = await context.UserConversations
.FirstOrDefaultAsync(l => l.UserId == userId, cancellationToken)
.ConfigureAwait(false);
if (link == null)
{
link = new UserConversation
{
Id = Guid.NewGuid().ToString(),
UserId = userId,
ConversationId = conversationId
};
context.UserConversations.Add(link);
}
else if (link.ConversationId == conversationId)
{
return;
}
else
{
link.ConversationId = conversationId;
}
await context
.SaveChangesAsync(cancellationToken)
.ConfigureAwait(false);
}
}
public IHttpActionResult PutUserConversation(int id, UserConversationDto userConversationDto)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
UserConversation userConversation = Mapper.Map <UserConversationDto, UserConversation>(userConversationDto);
if (id != userConversationDto.Id)
{
return(BadRequest());
}
db.Entry(userConversation).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException)
{
if (!UserConversationExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public async Task <IActionResult> Edit(int id, [Bind("UserConversationId,UserId,ConversationId")] UserConversation userConversation)
{
if (id != userConversation.UserConversationId)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(userConversation);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!UserConversationExists(userConversation.UserConversationId))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
ViewData["ConversationId"] = new SelectList(_context.Conversations, "ConversationId", "ConversationId", userConversation.ConversationId);
ViewData["UserId"] = new SelectList(_context.Users, "Id", "Id", userConversation.UserId);
return(View(userConversation));
}
public async Task <Message> AddMessageAsync(UserConversation conversation, Message message)
{
await using var transaction = await _db.Database.BeginTransactionAsync();
message.ConversationId = conversation.ConversationId;
message.Sent = DateTime.UtcNow;
message.UserId = _userService.UserId;
conversation.LastReadMessage = message.Sent;
_db.Add(message);
await _db.SaveChangesAsync();
_eventBus.Publish(new NewMessageEvent
{
MessageId = message.Id, Users = GetAllOtherUsers(conversation), UserId = _userService.UserId,
ConversationId = conversation.ConversationId, Text = message.Text
});
await transaction.CommitAsync();
// foreach (int userId in GetAllOtherUsers(conversation)) TODO: DELETE
// {
// _hub.Clients.Client(userId.ToString())?.NewMessage(message.UserId, message.Id, message.Text,
// conversation.ConversationId, conversation.User.FullName);
// }
return(message);
}
private async void FriendListView_ItemClick(object sender, ItemClickEventArgs e)
{
var temp = (UserConversation)e.ClickedItem;
ChosenConversation = new UserConversation()
{
displayName = temp.displayName,
Id = temp.Id,
ifGroup = temp.ifGroup,
name = new List <string>(),
messages = new List <Message>()
};
ChosenMessages.Clear();
for (int i = 0; i < temp.name.Count; i++)
{
ChosenConversation.name.Add(temp.name[i]);
}
for (int i = 0; i < temp.messages.Count; i++)
{
ChosenConversation.messages.Add(temp.messages[i]);
ChosenMessages.Add(new Message(temp.messages[i].userName, (string)temp.messages[i].message, temp.messages[i].isItself, temp.messages[i].dateTime));
}
await RefreshMessageListAsync();
ConversationTitle.Text = ChosenConversation.displayName;
}
public async Task <ManagerResponse <UserConversation> > SaveAsync(UserConversation conversation)
{
var current = await this.GetAsync(conversation?.UserId);
// create or update
var response = (ManagerResponse <UserConversation>)null;
if (current == null)
{
response = await this.CreateAsync(conversation);
}
else
{
response = await this.UpdateAsync(conversation);
}
// we expect not to receive error up to this point
if (response.HasError)
{
throw new Exception($"Unexpected error when saving User Conversation. Error Message: {string.Join(", ", response?.Errors)}");
}
else
{
return(response);
}
}
//public bool InitialMessages()
//{
// Message message = new Message()
// {
// MessageText = "How Are You?",
// SentTime = System.DateTime.Now,
// ConversationID = 1,
// UserID = 1
// };
// _context.Messages.Add(message);
// _context.SaveChanges();
// message = new Message()
// {
// MessageText = "Are You Still Good?",
// SentTime = System.DateTime.Now.AddMinutes(1),
// ConversationID = 1,
// UserID = 1
// };
// _context.Messages.Add(message);
// _context.SaveChanges();
// message = new Message()
// {
// MessageText = "Im just fine",
// SentTime = System.DateTime.Now.AddMinutes(2),
// ConversationID = 1,
// UserID = 2
// };
// _context.Messages.Add(message);
// _context.SaveChanges();
// message = new Message()
// {
// MessageText = "How about you",
// SentTime = System.DateTime.Now.AddMinutes(1),
// ConversationID = 1,
// UserID = 2
// };
// _context.Messages.Add(message);
// _context.SaveChanges();
// return true;
//}
// CREATE NEW CONVERSATION
public async Task <IActionResult> NewConversationAsync(int userId)
{
// Get UserID Of Sender
var currentUserId = HttpContext.Session.GetInt32("userId");
// Check If Receiver Existed
var user = _context.Users.FirstOrDefault(u => u.ID == userId);
if (user != null)
{
// Check If Conversation Already Existed
var userConversationIdList = _context.UserConversations
.Where(u => u.UserID == currentUserId).ToList();
foreach (var i in userConversationIdList)
{
var uConversation = _context.UserConversations
.Include(u => u.Conversation)
.Where(u => u.ConversationID == i.ConversationID).ToList();
foreach (var j in uConversation)
{
if (j.UserID == userId && j.Conversation.ConversationType == 0)
{
return(RedirectToAction("Home", "Messenger", new { id = j.ConversationID }));
}
}
}
// Create New Conversation
Conversation conversation = new Conversation();
DateTime currentTime = System.DateTime.Now;
conversation.CreatedDate = currentTime;
conversation.ConversationType = 0;
_context.Add(conversation);
await _context.SaveChangesAsync();
// Create New UserConversations
// Get Conversation ID
var conversationId = _context.Conversations
.FirstOrDefault(c => c.CreatedDate == currentTime).ID;
// Save User Conversations
UserConversation uC1 = new UserConversation();
uC1.ConversationID = conversationId;
uC1.UserID = (int)currentUserId;
uC1.UserSeen = 1;
_context.Add(uC1);
await _context.SaveChangesAsync();
UserConversation uC2 = new UserConversation();
uC2.ConversationID = conversationId;
uC2.UserID = userId;
uC2.UserSeen = 0;
_context.Add(uC2);
await _context.SaveChangesAsync();
return(RedirectToAction("Home", "Messenger", new { id = conversationId }));
}
return(NotFound());
}
public void UserConversationShouldHaveUserId()
{
var userConversation = new UserConversation
{
UserId = null,
ConversationId = 1,
};
Assert.Throws <InvalidOperationException>(
() => this.dbContext.UserConversations.Add(userConversation));
}
public IHttpActionResult GetUserConversation(int id)
{
UserConversation userConversation = db.UserConversations.Find(id);
if (userConversation == null)
{
return(NotFound());
}
return(Ok(Mapper.Map <UserConversation, UserConversationDto>(userConversation)));
}
public static UserConversationViewModel ToViewModel(this UserConversation model)
{
return(new UserConversationViewModel
{
ConversationId = model.ConversationId,
IsOwner = model.IsOwner,
NotRead = model.NotRead,
NotReadCount = model.NotReadCount,
UserId = model.UserId
});
}
public async Task AddMessageAsync(UserConversation chosenConversation, string message_owner, string message_send, DateTime sendTime)
{
string folderName = chosenConversation.displayName;
Message message = new Message()
{
message = message_send,
dateTime = sendTime,
userName = message_owner
};
await _userService.AddMessageAsync(_userService.GetCurrentUserName(), folderName, message);
}
public MainPage()
{
ConversationCollections = new ObservableCollection <UserConversation>();
ChosenMessages = new ObservableCollection <Message>();
ChosenConversation = new UserConversation();
timer = new DispatcherTimer {
Interval = new TimeSpan(0, 0, 3)
};
AddGroup_NameList = new List <string>();
this.InitializeComponent();
}
public async Task <IActionResult> ReadMessages(int id)
{
UserConversation conversation = _conversationService.GetUserConversation(id);
if (conversation == null)
{
return(Forbid());
}
int res = await _conversationService.ReadAllMessagesAsync(conversation);
return(Ok(res));
}
public async Task <IActionResult> GetMessages(int id)
{
UserConversation conversation = _conversationService.GetUserConversation(id);
if (conversation == null)
{
return(Forbid());
}
IEnumerable <Message> messages = await _conversationService.GetMessages(id);
return(Ok(_mapper.Map <IEnumerable <MessageDto> >(messages.Reverse())));
}
public async Task <IActionResult> AddMessage(int id, MessageDto message)
{
UserConversation conversation = _conversationService.GetUserConversation(id);
if (conversation == null)
{
return(Forbid());
}
Message messageResult = await _conversationService.AddMessageAsync(conversation, new Message { Text = message.Text });
return(Ok(_mapper.Map <MessageDto>(messageResult)));
}
public async Task <int> ReadAllMessagesAsync(UserConversation userConversation)
{
var transaction = await _db.Database.BeginTransactionAsync(IsolationLevel.RepeatableRead);
var count = await CountNewAsync(userConversation);
userConversation.LastReadMessage = DateTime.UtcNow;
await _db.SaveChangesAsync();
await transaction.CommitAsync();
return(count);
}
public async Task <IActionResult> Create([Bind("UserConversationId,UserId,ConversationId")] UserConversation userConversation)
{
if (ModelState.IsValid)
{
_context.Add(userConversation);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["ConversationId"] = new SelectList(_context.Conversations, "ConversationId", "ConversationId", userConversation.ConversationId);
ViewData["UserId"] = new SelectList(_context.Users, "Id", "Id", userConversation.UserId);
return(View(userConversation));
}
public IHttpActionResult DeleteUserConversation(int id)
{
UserConversation userConversation = db.UserConversations.Find(id);
if (userConversation == null)
{
return(NotFound());
}
db.UserConversations.Remove(userConversation);
db.SaveChanges();
return(Ok(Mapper.Map <UserConversation, UserConversationDto>(userConversation)));
}
/// <summary>
/// Save user conversation
/// </summary>
/// <param name="userConversation"></param>
/// <returns></returns>
public async Task <int> Save(UserConversation userConversation)
{
try
{
_context.UserConversations.Add(userConversation);
await _context.SaveChangesAsync();
return(userConversation.Id);
}
catch
{
throw;
}
}
private async Task <ManagerResponse <UserConversation> > UpdateAsync(UserConversation conversation)
{
var request = _mapper.Map <UserConversationReqResp>(conversation);
var response = await this._userConversationService.UpdateConversationAsync(request);
if (response.HasError) //TODO: Check if this is correct
{
return(new ManagerResponse <UserConversation>(response?.ErrorMessage)); //TODO: wrapped up this into the Auto Mapper
}
else
{
return(new ManagerResponse <UserConversation>(_mapper.Map <UserConversation>(response?.Content)));
}
}
public IActionResult GetConversation(int id)
{
UserConversation conversation = _conversationService.GetUserConversation(id);
if (conversation == null)
{
return(Forbid());
}
var result = _mapper.Map <ConversationDto>(conversation.Conversation);
result.LastReadMessage = conversation.LastReadMessage;
return(Ok(result));
}
public IHttpActionResult PostUserConversation(UserConversationDto userConversationDto)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
UserConversation userConversation = Mapper.Map <UserConversationDto, UserConversation>(userConversationDto);
db.UserConversations.Add(userConversation);
db.SaveChanges();
Mapper.Map(userConversation, userConversationDto);
return(CreatedAtRoute("DefaultApi", new { id = userConversationDto.Id }, userConversationDto));
}
private async Task PopulateConversation()
{
var conversationOne = new Conversation
{
Id = 1,
Name = "aaa",
};
var conversationTwo = new Conversation
{
Id = 2,
Name = "bbb",
};
var conversationThree = new Conversation
{
Id = 3,
Name = "ccc",
};
var user = new ApplicationUser
{
Id = "ddd",
UserName = "******",
Email = "fff",
EmailConfirmed = true,
};
this.dbContext.Conversations.Add(conversationOne);
this.dbContext.Conversations.Add(conversationTwo);
this.dbContext.Conversations.Add(conversationThree);
this.dbContext.Users.Add(user);
await this.dbContext.SaveChangesAsync();
var userConv = new UserConversation
{
UserId = "ddd",
ConversationId = 2,
};
this.dbContext.UserConversations.Add(userConv);
await this.dbContext.SaveChangesAsync();
}
private async void SeedDataForMessagesTesting(MessengerContext context)
{
User testUser = context.Users.First();
Conversation conversation = new Conversation
{
Name = "test conversation"
};
await context.Conversations.AddAsync(conversation);
await context.SaveChangesAsync();
UserConversation userConversation = new UserConversation
{
ConversationId = conversation.ConversationId,
IsOwner = true,
UserId = testUser.Id
};
await context.UserConversations.AddAsync(userConversation);
await context.SaveChangesAsync();
await context.Messages.AddRangeAsync(new Message[]
{
new Message
{
Content = "test message 1",
OwnerId = testUser.Id,
DateSent = DateTime.Now,
Conversation = conversation
},
new Message
{
Content = "test message 2",
OwnerId = testUser.Id,
DateSent = DateTime.Now.AddSeconds(5),
Conversation = conversation
}
});
await context.SaveChangesAsync();
}
public async Task <IActionResult> PutUserConversation([FromRoute] int id, [FromBody] UserConversation userConversation)
{
if (!this.ModelState.IsValid)
{
return(this.BadRequest(this.ModelState));
}
if (id != userConversation.ConversationId)
{
return(this.BadRequest());
}
string userId = (await this.tokenService.GetCurrentUser(this.User)).Id;
if (this.context.UserConversations.Any(x => x.ConversationId == id && x.UserId == userId && x.IsOwner) == false)
{
return(this.BadRequest("UserConversation not belongs to user"));
}
this.context.Entry(userConversation).State = EntityState.Modified;
try
{
await this.context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException e)
{
if (!this.UserConversationExists(id))
{
return(this.NotFound());
}
else
{
this.logger.LogError("Unable to update UserConversation", e);
throw;
}
}
return(this.NoContent());
}
