/// <summary>
/// 加载信息
/// </summary>
async void LoadMsg()
{
if (OtherID < 0)
{
return;
}
string sql = $"select * from ChatMember where id={OtherID}";
_other = AtState.First <ChatMember>(sql);
if (_other == null)
{
// 初次打开，还未下载好友列表
await FriendMemberList.Refresh();
_other = AtState.First <ChatMember>(sql);
// 不在好友列表时，创建虚拟
if (_other == null)
{
_other = new ChatMember(
ID: OtherID,
Name: OtherID.ToString(),
Photo: "photo/profilephoto.jpg");
}
}
// 不是好友时无法发送
//_inputBar.Visibility = (_other == null) ? Visibility.Collapsed : Visibility.Visible;
LetterManager.ClearUnreadFlag(OtherID);
_lv.PageData = new PageData {
NextPage = OnNextPage, InsertTop = true
};
}
async void OnUndoMsg(object sender, Mi e)
{
var l = (Letter)e.DataContext;
if ((Kit.Now - l.STime).TotalMinutes > 2)
{
Kit.Warn("超过2分钟无法撤回");
}
else if (await LetterManager.SendUndoLetter(l))
{
_lv.Data.Remove(l);
}
}
/// <summary>
/// 发送文件
/// </summary>
/// <param name="p_files"></param>
public async void SendFiles(List <FileData> p_files)
{
Letter l = new Letter
{
OtherID = OtherID,
OtherName = _other.Name,
IsReceived = false,
Unread = false,
LetterType = GetLetterType(p_files),
STime = Kit.Now,
Photo = Kit.UserPhoto,
};
_lv.Data.Add(l);
FileList fl;
var elem = _lv.GetRowUI(_lv.Data.Count - 1);
if (elem == null || (fl = elem.FindChildByType <FileList>()) == null)
{
_lv.Data.Remove(l);
return;
}
bool suc = await fl.UploadFiles(p_files);
if (suc)
{
var nl = await LetterManager.SendLetter(OtherID, _other.Name, fl.Data, l.LetterType);
l.ID = nl.ID;
l.MsgID = nl.MsgID;
l.Content = nl.Content;
}
else
{
_lv.Data.Remove(l);
}
}
/// <summary>
/// 发送普通消息
/// </summary>
/// <param name="p_msg"></param>
public async void SendMsg(string p_msg)
{
await LetterManager.SendLetter(OtherID, _other.Name, p_msg, LetterType.Text);
}