public async Task <IActionResult> RemoveCourseFromGroup(string adminId, int groupId,
int courseId)
{
AppUser user = await userManager.FindByIdAsync(adminId);
if (user != null)
{
repository.RemoveCourseFromGroup(groupId, courseId);
return(RedirectToAction("GroupDetails", new { id = adminId, groupId }));
}
else
{
return(RedirectToAction("UserNotFound", "Error"));
}
}
