public async Task <PagedList <Conversation> > GetConversations(MessengerFiltersParams filters)
{
var currentUser = await accountManager.GetCurrentUser();
var conversations = currentUser.MessagesSent.Concat(currentUser.MessagesReceived)
.OrderByDescending(m => m.DateSent)
.GroupBy(m => new { m.SenderId, m.RecipientId })
.Select(g =>
{
var(message, isCurrentUserRecipient) = (g.First(), g.First().RecipientId == currentUser.Id);
var conversation = new Conversation
(
new LastMessage(message.SenderId, message.Sender.UserName, message.Text, message.DateSent, message.IsRead, message.SenderId == currentUser.Id),
isCurrentUserRecipient ? message.SenderId : message.RecipientId,
isCurrentUserRecipient ? message.Sender.UserName : message.Recipient.UserName,
isCurrentUserRecipient ? message.Sender.AvatarUrl : message.Recipient.AvatarUrl
);
return(conversation);
})
.GroupBy(c => c.RecipientId)
.Distinct()
.Select(g => g.First());
if (!string.IsNullOrEmpty(filters.Username))
{
conversations = conversations.Where(c => c.RecipientName.ToLower().Contains(filters.Username.ToLower()));
}
return(conversations.ToPagedList <Conversation>(filters.PageNumber, filters.PageSize));
}
public async Task <IPagedList <Message> > GetMessagesThread(string recipientId, MessengerFiltersParams filters)
{
var currentUser = await accountManager.GetCurrentUser();
if (currentUser.Id == recipientId)
{
throw new NoPermissionsException(ErrorMessages.NotAllowedMessage);
}
await ReadConversation(currentUser.MessagesReceived, recipientId);
return(await unitOfWork.MessageRepository.GetMessagesThread(currentUser.Id, recipientId, (filters.PageNumber, filters.PageSize)));
}
