/// <summary>
/// 将SDK的topic类型转换为界面ChatList中的项类型
/// </summary>
public static ChatListChatItemVM TopicToChatListItem(Topic topic)
{
if (topic == null)
{
return(null);
}
var contact = CommunicationCore.GetContactByTopicName(topic.Name);
var chatListItem = new ChatListChatItemVM()
{
TopicName = topic.Name,
Contact = contact,
LastActiveTime = GlobalFunctions.TimestampToDateTime(topic.LastUsed),
RawTopic = topic,
MaxMsgSeq = topic.MaxLocalSeqId
};
return(chatListItem);
}
/// <summary>
/// 将SDK的消息类型转换为界面消息类型
/// </summary>
public static MessageItemBaseVM MessageToMessageVM(ChatMessage msg)
{
if (msg == null)
{
return(null);
}
var contact = CommunicationCore.GetContactByTopicName(msg.TopicName);
bool sendByMe = !(msg.From == msg.TopicName);
//判断是否为代码消息
if (msg.IsCode == true)
{
return(new CodeMessageVM()
{
Code = msg.Text,
Language = GlobalFunctions.SDKcodeTypeToString(msg.CodeType),
RunResult = null,
ID = msg.Id,
Contact = contact,
SendByMe = sendByMe,
RawMessage = msg
});
}
//判断是否为附件消息
if (msg.IsAttachment == true)
{
var attach = ChatMessageParser.ParseGenericAttachment(msg);
//通过消息解析器获取URL列表
List <string> urls = ChatMessageParser.ParseUrl(msg, CommunicationCore.client.ApiBaseUrl);
string url = urls.Count > 0 ? urls[0] : "";
string name = attach.Count > 0 ? attach[0].Name : "";
string mime = attach.Count > 0 ? attach[0].Mime : "";
//假如是以文件形式发送的图片
if (GlobalFunctions.FindPosInImageMineList(GlobalConfigs.ImageMime, mime.ToLower()) != -1)
{
return(new ImageMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
ImageUri = url
});
}
return(new FileMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
DownloadState = -1,
FileUri = url,
FileName = name,
});
}
//判断是否为图片消息
if (msg.IsPlainText == false)
{
List <string> base64s = ChatMessageParser.ParseImageBase64(msg);
string base64 = base64s.Count > 0 ? base64s[0] : "";
return(new ImageMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
ImageBase64 = base64,
});
}
return(new TextMessageVM()
{
Contact = contact,
ID = msg.Id,
SendByMe = sendByMe,
RawMessage = msg,
Text = msg.Text
});
}
