public async Task <IActionResult> NewGroupStep3(NewGroupStep3ViewModel model)
{
ViewData["Id"] = model.UserId;
AppUser user = await userManager.FindByIdAsync(model.UserId);
if (user != null)
{
//group
Group group = repository.Groups
.FirstOrDefault(g => g.GroupId == model.GroupId);
if (model.CoursesIdString != null)
{
//list of users id
string courseIdList = model.CoursesIdString.Trim();
while (courseIdList.Trim().Length > 0)
{
int index = courseIdList.IndexOf(";");
if (index != -1)
{
string newCourseId = courseIdList.Substring(0, index);
int newCourseIdInt = Int32.Parse(newCourseId.Trim());
repository.AddCourseToGroup(newCourseIdInt, group.GroupId);
courseIdList = courseIdList.Replace(newCourseId + ";", "");
}
}
}
//send msg
if (group.GroupChatId != 0)
{
GroupChat groupChat = repository.GroupChats
.FirstOrDefault(g => g.ChatId == group.GroupChatId);
string userName = (user.FirstName == null && user.LastName == null) ?
user.UserName : user.FirstName + user.LastName;
string content = $"{userName} created a group chat";
GroupChatMessage newMsg = new GroupChatMessage
{
GroupChatId = group.GroupChatId,
UserId = user.Id,
MessageContent = content,
MessageType = "SystemMsg"
};
repository.NewGroupChatMessage(newMsg, groupChat);
}
//new notification
if (group.Status == "Public")
{
repository.NewNotification(user.Id, "AddUserToGroup", "Group", group.GroupId);
}
return(RedirectToAction("GroupDetails", new
{
id = group.CreatedBy.Id,
groupId = group.GroupId
}));
}
return(RedirectToAction("Error", "UserNotFound"));
}