public async Task <IHttpActionResult> SendAMessage(int groupID, int senderID, string content, string attachmentPath = null, int?messageToReplayID = null)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (string.IsNullOrWhiteSpace(content))
{
return(BadRequest());
}
string attachmentName = string.Empty;
if (!string.IsNullOrWhiteSpace(attachmentPath))
{
attachmentName = attachmentPath.Substring(attachmentPath.LastIndexOf('/'), attachmentPath.Length - 1);
}
var sentTime = DateTime.Now;
await db.SendMessage(groupID, senderID, content, attachmentPath, attachmentName, messageToReplayID, sentTime);
var messageID = await db.GroupMessages.Where(g => g.GroupID == groupID).Where(u => u.SenderID == senderID).Where(m => m.Message.SentTime == sentTime).FirstOrDefaultAsync();
return(Json(messageID));
}