public Message ReplyFacebookMessage(int conversationId, string content, bool isCloseConversation = false)
{
var conversation = _conversationService.CheckIfExists(conversationId);
if (conversation.Source != ConversationSource.FacebookMessage)
{
throw SocialExceptions.BadRequest("Conversation source must be facebook message.");
}
_conversationService.CheckIfCanReopenWhenReply(conversation);
var messages = Repository.FindAll().Include(t => t.Sender).Include(t => t.Receiver).Where(t => t.ConversationId == conversation.Id).ToList();
SocialAccount socialAccount = GetSocialAccountFromMessages(messages);
if (socialAccount == null)
{
throw SocialExceptions.BadRequest("Facebook integration account can't be found from conversation.");
}
SocialUser recipient = messages.Where(t => t.Sender.Type == SocialUserType.Customer)
.OrderByDescending(t => t.SendTime)
.Select(t => t.Sender).FirstOrDefault();
// publish message to facebook
string fbMessageId = _fbClient.PublishMessage(socialAccount.Token, conversation.OriginalId, content);
if (string.IsNullOrWhiteSpace(fbMessageId))
{
return(null);
}
// create message
var message = new Message
{
ConversationId = conversation.Id,
Content = content,
SenderId = socialAccount.Id,
ReceiverId = recipient != null ? recipient.Id : socialAccount.Id,
SendAgentId = UserContext.UserId,
SendTime = DateTime.UtcNow,
OriginalId = fbMessageId,
Source = MessageSource.FacebookMessage
};
Save(message, isCloseConversation);
return(this.Find(message.Id));
}