public ActionResult ReplyToAlertGET(string alertid)
{
//Check Alert is not null
if (string.IsNullOrEmpty(alertid))
{
TempData["ErrorMessage"] = "An error has occured";
return(RedirectToAction("Index"));
}
//Check Alert is an int
if (!int.TryParse(alertid, out int AlertIdInt))
{
TempData["ErrorMessage"] = "Error: Alert ID is incorrect";
return(RedirectToAction("Index"));
}
//Check Alert exists
var Alert = _context.Alert.SingleOrDefault(n => n.Id == AlertIdInt);
if (Alert == null)
{
TempData["ErrorMessage"] = "Error: The alert you are replying to doesn't exist";
return(RedirectToAction("Index"));
}
//Check if alert dismissed
if (Alert.DismissedWhen != null)
{
TempData["ErrorMessage"] = "Error: The alert you are replying to has been dismissed";
return(RedirectToAction("Index"));
}
//If alert being replied to belongs to user and not group
if (Alert.ToUserId != null && Alert.ToGroupId == null)
{
//Check Alert belongs to user
if (Alert.ToUserId != User.Identity.GetUserId())
{
TempData["ErrorMessage"] = "Error: This alert you attempted to reply to does not belong to you";
return(RedirectToAction("Index"));
}
//Populate data for view
ReplyAlertViewModel model;
using (ApplicationDbContext dbcontext = new ApplicationDbContext())
{
Group ToGroup = dbcontext.Group.SingleOrDefault(n => n.Id == Alert.FromGroupId);
ApplicationUser ToUser = dbcontext.Users.SingleOrDefault(n => n.Id.Equals(Alert.FromUserId));
model = new ReplyAlertViewModel()
{
ReplyingToMessage = Alert.Text,
FromGroupName = null,
FromUserName = User.Identity.GetUserName(),
ReplyToGroupName = ToGroup?.Name,
ReplyToUserName = ToUser?.UserName,
Resource = null
};
}
//Return to view
return(View("ReplyToAlert", model));
}
//If alert being replied to belongs to group
else
{
//Check logged in User is member of group
var LoggedInUserId = User.Identity.GetUserId();
var GroupMember = _context.GroupMember.SingleOrDefault(n => (n.Group_Id == Alert.ToGroupId) && (n.User_Id.Equals(LoggedInUserId)));
if (GroupMember == null)
{
TempData["ErrorMessage"] = "Error: You are not a member of the group to which this alert is associated to";
return(RedirectToAction("Index"));
}
//Populate data for view
ReplyAlertViewModel model;
using (ApplicationDbContext dbcontext = new ApplicationDbContext())
{
Group ToGroup = dbcontext.Group.SingleOrDefault(n => n.Id == Alert.FromGroupId);
ApplicationUser ToUser = dbcontext.Users.SingleOrDefault(n => n.Id.Equals(Alert.FromUserId));
Group FromGroup = dbcontext.Group.SingleOrDefault(n => n.Id == Alert.ToGroupId);
model = new ReplyAlertViewModel()
{
ReplyingToMessage = Alert.Text,
FromGroupName = FromGroup?.Name,
FromUserName = User.Identity.GetUserName(),
ReplyToGroupName = ToGroup?.Name,
ReplyToUserName = ToUser?.UserName,
Resource = FromGroup.Id.ToString()
};
}
//Return to view
return(View("ReplyToAlert", model));
}
}
