private async Task HandleReceiverToSenderAsync(UserIdentifier senderIdentifier, UserIdentifier receiverIdentifier, string message, Guid sharedMessageId)
{
var friendshipState = (await _friendshipManager.GetFriendshipOrNullAsync(receiverIdentifier, senderIdentifier))?.State;
if (friendshipState == null)
{
var senderTenancyName = senderIdentifier.TenantId.HasValue ?
_tenantCache.Get(senderIdentifier.TenantId.Value).TenancyName :
null;
var senderUser = _userManager.GetUser(senderIdentifier);
await _friendshipManager.CreateFriendshipAsync(
new Friendship(
receiverIdentifier,
senderIdentifier,
senderTenancyName,
senderUser.UserName,
senderUser.ProfilePictureId,
FriendshipState.Accepted
)
);
}
if (friendshipState == FriendshipState.Blocked)
{
//Do not send message if receiver banned the sender
return;
}
var sentMessage = new ChatMessage(
receiverIdentifier,
senderIdentifier,
ChatSide.Receiver,
message,
ChatMessageReadState.Unread,
sharedMessageId,
ChatMessageReadState.Read
);
Save(sentMessage);
var clients = _onlineClientManager.GetAllByUserId(receiverIdentifier);
if (clients.Any())
{
await _chatCommunicator.SendMessageToClient(clients, sentMessage);
}
else if (GetUnreadMessageCount(senderIdentifier, receiverIdentifier) == 1)
{
var senderTenancyName = senderIdentifier.TenantId.HasValue ?
_tenantCache.Get(senderIdentifier.TenantId.Value).TenancyName :
null;
await _userEmailer.TryToSendChatMessageMail(
_userManager.GetUser(receiverIdentifier),
_userManager.GetUser(senderIdentifier).UserName,
senderTenancyName,
sentMessage
);
}
}
public async Task SendMessageToClient(IReadOnlyList <IOnlineClient> clients, ChatMessage message)
{
await Task.CompletedTask;
}