// this is for webpage reads from database. CounterPartyUsername is available.
public static ChatDto GetDtoFromChat(wx_chat chat)
{
string ownerUsername = MvcApplication.UserIdUsernameCache[chat.OwnerID];
string ownerUserNickname = MvcApplication.UsernameNicknameCache[ownerUsername];
string counterPartyUsername = MvcApplication.UserIdUsernameCache[chat.CounterPartyID];
string counterPartyUserNickname = MvcApplication.UsernameNicknameCache[counterPartyUsername];
string fromUsername;
if (chat.IsFromOwner)
{
fromUsername = ownerUsername;
}
else
{
fromUsername = string.IsNullOrEmpty(chat.FromUsername) ? counterPartyUsername : chat.FromUsername;
}
var dto = new ChatDto
{
ID = chat.ID,
OwnerID = chat.OwnerID,
OwnerUsername = ownerUsername,
OwnerUserNickname = ownerUserNickname,
FromUsername = fromUsername,
FromUserNickname = MvcApplication.UsernameNicknameCache[fromUsername],
IsFromOwner = chat.IsFromOwner,
CounterPartyUsername = counterPartyUsername,
CounterPartyUserNickname = counterPartyUserNickname,
Content = chat.Content,
ImageID = chat.ImageID,
VoiceID = chat.VoiceID,
CreateTime = chat.CreateTime,
};
return(dto);
}
// this is for server reads messages from webpage ajax post. ToUsername is available.
public static wx_chat GetChatFromDto(ChatDto dto)
{
bool isFromOwner = false;
string counterPartyUsername;
string fromUsername = string.Empty;
if (dto.OwnerUsername == dto.FromUsername)
{
counterPartyUsername = dto.ToUsername;
isFromOwner = true;
}
else
{
// check if dto.FromUsername is a chatroom
if (IsChatRoom(dto.FromUsername))
{
fromUsername = GetFromUsername(dto.Content);
dto.Content = GetNewContent(dto.Content);
}
counterPartyUsername = dto.FromUsername;
isFromOwner = false;
}
var chat = new wx_chat
{
Content = dto.Content,
ImageID = dto.ImageID,
VoiceID = dto.VoiceID,
CreateTime = dto.CreateTime,
OwnerID = MvcApplication.UsernameUserIdCache[dto.OwnerUsername],
FromUsername = fromUsername,
CounterPartyID = MvcApplication.UsernameUserIdCache[counterPartyUsername],
IsFromOwner = isFromOwner
};
return(chat);
}