/// <summary>
/// 发送-图片消息
/// </summary>
/// <returns></returns>
public object Single_SendPicture(ISingle_SendText model)
{
var msg = new IM_MsgSingle();
var db_result = 0;
using (var db = new ModelAC())
{
#region db
msg.App_Id = APP_GUID;
msg.MsgClientId = model.MsgClientId;
msg.From_UserId =
db.IM_User.SingleOrDefault(p => p.App_Id == APP_GUID && p.UserId == model.From_UserId).Id;
msg.To_UserId =
db.IM_User.SingleOrDefault(p => p.App_Id == APP_GUID && p.UserId == model.To_UserId).Id;
msg.MsgTime = DateTime.Now;
msg.IsRead = false;
msg.MsgType = model.MsgType;
msg.MsgBody = model.MsgBody;
db.IM_MsgSingle.Add(msg);
db_result = db.SaveChanges();
#endregion
}
var session_result = Single_updateSession(msg);
if (db_result == 1)
{
var mOSingle_SendText = new OSingle_SendText()
{
#region 输出
Id = msg.Id.ToString(),
MsgClientId = msg.MsgClientId,
From_UserId = model.From_UserId,
To_UserId = model.To_UserId,
MsgTime = msg.MsgTime,
IsRead = msg.IsRead,
MsgType = msg.MsgType,
MsgBody = msg.MsgBody,
#endregion
};
var jsonResult = CommonJson.camelObject(mOSingle_SendText);
#region 消息分发
string to__Account = HubKey.App__Account(app: APP, account: model.To_UserId);
using (var db = new SignalR_MapUsersModel())
{
var connections = db.Connections.Where(p => p.User_UserName == to__Account && p.Connected == true).ToList();
for (int i = 0; i < connections.Count(); i++)
{
Clients.Client(connections[i].ConnectionID).Single_SendPicture(jsonResult);
}
}
#endregion
return(jsonResult);
}
else
{
return(null);
}
}
/// <summary>
/// 更新会话
/// 单聊
/// </summary>
/// <param name="model"></param>
/// <returns></returns>
private bool Single_updateSession(IM_MsgSingle msg)
{
var user = LOGIN_USER;
var db_result = 0;
using (var db = new ModelAC())
{
var session = db.IM_Chatter.SingleOrDefault(p => p.App_Id == APP_GUID && p.ChatType == IM_ChatType.Single &&
((p.Single_A_UserId == msg.From_UserId && p.Single_B_UserId == msg.To_UserId) ||
(p.Single_A_UserId == msg.To_UserId && p.Single_B_UserId == msg.From_UserId))
);
if (session == null)
{
#region 新增会话
var newSession = new IM_Chatter()
{
App_Id = APP_GUID,
ChatType = IM_ChatType.Single,
Single_A_UserId = msg.From_UserId,
Single_B_UserId = msg.To_UserId,
Group_GroupId = null,
};
newSession.IM_ChatterActors.Add(new IM_ChatterActor()
{//消息发送者
App_Id = APP_GUID,
ChatterId = newSession.Id,
UserId = msg.From_UserId,
Last_MsgId = msg.Id,
UnreadMsgCount = 0,
ChatterTime = DateTime.Now,
IsCleared = false,
});
newSession.IM_ChatterActors.Add(new IM_ChatterActor()
{//消息接收者
App_Id = APP_GUID,
ChatterId = newSession.Id,
UserId = msg.To_UserId,
Last_MsgId = msg.Id,
UnreadMsgCount = 1,
ChatterTime = DateTime.Now,
IsCleared = false,
});
db.IM_Chatter.Add(newSession);
db_result = db.SaveChanges();
#endregion
}
else
{
#region 更新会话
foreach (var toActor in session.IM_ChatterActors)
{
toActor.Last_MsgId = msg.Id;
if (toActor.UserId != user.Id)
{//消息接收者
toActor.UnreadMsgCount += 1;
}
toActor.ChatterTime = DateTime.Now;
}
db_result = db.SaveChanges();
#endregion
}
}
return(db_result > 0);
}
