void HandlePermissionsLinkUpdates()
{
if (!IsHttpPost) return;
if (!AntiForgeryTokenValid) return;
var Form = HttpContext.Request.Form;
string Button = Form["permissionslinkbutton"];
if (String.IsNullOrWhiteSpace(Button)) return;
int CategoryID, PermissionsID, RoleID;
try {
CategoryID = Convert.ToInt32(Form["Category"]);
PermissionsID = Convert.ToInt32(Form["PermissionSet"]);
RoleID = Convert.ToInt32(Form["UserGroup"]);
} catch (FormatException)
{
ModelState.AddModelError("InvalidData", "Numbers are invalid");
return;
} catch (OverflowException)
{
ModelState.AddModelError("InvalidData", "Numbers are too big");
return;
}
using (ForumRespository db = new ForumRespository())
{
var PermissionsLink = db.GetPermissionLinks().SingleOrDefault(L => L.CategoryID == CategoryID && L.PermissionID == PermissionsID && L.RoleID == RoleID);
if (Button == "Add")
{
if (PermissionsLink != null)
{
ModelState.AddModelError("AddLinkError", "Permission link already exists");
return;
}
db.AddPermissionsLink(new Forum_PermissionsLink() { CategoryID = CategoryID, PermissionID = PermissionsID, RoleID = RoleID });
try
{
db.Save();
}
catch
{
ModelState.AddModelError("AddLinkError", "Unable to add new permissions link");
}
}
else if (Button == "Delete")
{
if (PermissionsLink == null)
{
ModelState.AddModelError("DeleteLinkError", "Permission link doesn't exists");
return;
}
db.DeletePermissionsLink(PermissionsLink);
try
{
db.Save();
}
catch
{
ModelState.AddModelError("DeleteLinkError", "Unable to delete permissions link");
}
}
}
}