public async Task <IActionResult> FindMessageChats(int ID)
{
var currentUser = await _userManager.GetUserAsync(User);
var RequestedUser = unitOfWork.GGUsers.GetUser(ID);
var chatGroup = await unitOfWork.db.ChatGroups
.Where(cg =>
cg.UserChatGroups.Any(ucg => ucg.UserId == currentUser.Id) &&
cg.UserChatGroups.Any(ucg => ucg.UserId == RequestedUser.Id))
.Include(cg => cg.Messages)
.FirstOrDefaultAsync();
if (chatGroup == null)
{
chatGroup = new ChatGroup()
{
Name = RequestedUser.NickName,
UserChatGroups = new List <UserChatGroup>(),
Messages = new List <Message>()
};
var chatGroupRelation1 = new UserChatGroup()
{
User = currentUser,
Group = chatGroup
};
var chatGroupRelation2 = new UserChatGroup()
{
User = RequestedUser,
Group = chatGroup
};
chatGroup.UserChatGroups.Add(chatGroupRelation1);
chatGroup.UserChatGroups.Add(chatGroupRelation2);
unitOfWork.db.ChatGroups.Add(chatGroup);
await unitOfWork.Save();
chatGroup = await unitOfWork.db.ChatGroups
.Where(cg =>
cg.UserChatGroups.Any(ucg => ucg.UserId == currentUser.Id) &&
cg.UserChatGroups.Any(ucg => ucg.UserId == RequestedUser.Id))
.Include(cg => cg.Messages)
.FirstOrDefaultAsync();
}
var viewModel = new ChatGroupVM {
Group = chatGroup, CurrentUserNickName = currentUser.NickName, CurrentMessageChatID = chatGroup.Id
};
return(PartialView("_ChatBox", viewModel));
}
public ActionResultVM GroupNew([FromBody] ChatGroupVM cg)
{
var vm = new ActionResultVM();
try
{
vm = ccs.HandelGroupNew(cg, Groups, db);
}
catch (Exception ex)
{
vm.Set(ex);
}
return(vm);
}
public async Task <IActionResult> GetPartial(int chatId)
{
var currentUser = await _userManager.GetUserAsync(User);
//db.Users.Where(u => u.Id == aspNetUserId).Select(u => u.UserAccount).SingleOrDefault();
var chatGroup = await unitOfWork.db.ChatGroups.Where(cg => cg.Id == chatId)
.Include(cg => cg.Messages)
.FirstOrDefaultAsync();
var viewModel = new ChatGroupVM {
Group = chatGroup, CurrentUserNickName = currentUser.NickName, CurrentMessageChatID = chatGroup.Id
};
return(PartialView("_ChatBox", viewModel));
}
/// <summary>
/// 处理新建组
/// </summary>
/// <param name="cg">组信息</param>
/// <param name="Groups"></param>
/// <param name="db"></param>
/// <returns></returns>
public static ActionResultVM HandelGroupNew(ChatGroupVM cg, IGroupManager Groups, Data.ContextBase db)
{
var vm = new ActionResultVM();
if (cg == null)
{
vm.Set(ARTag.lack);
vm.Msg = "组信息不能为空";
}
else if (string.IsNullOrWhiteSpace(cg.GroupName))
{
vm.Set(ARTag.lack);
vm.Msg = "组名称不能为空";
}
else if (cg.GroupUser.Count == 0)
{
vm.Set(ARTag.fail);
vm.Msg = "组用户至少有一个（默认第一个用户为管理员）";
}
//管理员
var users = FindUsers(cg.GroupUser.Keys.ToList());
if (users?.Count > 0)
{
var now = DateTime.Now;
cg.GroupId = Core.UniqueTo.LongId().ToString();
//组成员
var listgm = new List <Domain.NChatGroupMember>();
//用户加入组
foreach (var user in users)
{
foreach (var conn in user.Conns.Keys)
{
Groups.AddToGroupAsync(conn, cg.GroupId);
}
//添加组成员
listgm.Add(new Domain.NChatGroupMember()
{
CgmId = Core.UniqueTo.LongId().ToString(),
CgId = cg.GroupId,
CuUserId = user.UserId,
CgmCreateTime = now,
CgmStatus = 1
});
}
//维护组
OnlineGroup1.Add(cg.GroupId, cg);
//写入表
db.NChatGroup.Add(new Domain.NChatGroup()
{
CgId = cg.GroupId,
CgName = cg.GroupName,
CgOwnerId = users.FirstOrDefault().UserId,
CgCreateTime = DateTime.Now,
CcId = string.IsNullOrWhiteSpace(cg.GroupClassify) ? "1" : cg.GroupClassify,
CgStatus = 1
});
db.NChatGroupMember.AddRange(listgm);
db.SaveChangesAsync();
//成功
vm.Data = cg.GroupId;
vm.Set(ARTag.success);
}
else
{
vm.Set(ARTag.invalid);
vm.Msg = "组用户无效";
}
return(vm);
}
