/**
* @param string $attribute
* @param InstructorGroupInterface $group
* @param TokenInterface $token
* @return bool
*/
protected function voteOnAttribute($attribute, $group, TokenInterface $token)
{
$user = $token->getUser();
if (!$user instanceof UserInterface) {
return false;
}
switch ($attribute) {
case self::VIEW:
// unlike instructor details, instructor groups
// should be visible to any authenticated user in the system.
// do not enforce any special permissions for viewing them.
return true;
break;
case self::CREATE:
case self::EDIT:
case self::DELETE:
// grant CREATE, EDIT and DELETE privileges if at least one of the following
// statements is true:
// 1. the user's primary school is the group's owning school
// and the user has at least one of the 'Course Director' and 'Developer' roles.
// 2. the user has WRITE rights on the group's owning school via the permissions system
// and the user has at least one of the 'Course Director' and 'Developer' roles.
return $this->userHasRole($user, ['Course Director', 'Developer']) && ($this->schoolsAreIdentical($user->getSchool(), $group->getSchool()) || $this->permissionManager->userHasWritePermissionToSchool($user, $group->getSchool()->getId()));
break;
}
return false;
}
/**
* @param string $attribute
* @param InstructorGroupInterface $group
* @param UserInterface|null $user
* @return bool
*/
protected function isGranted($attribute, $group, $user = null)
{
// make sure there is a user object (i.e. that the user is logged in)
if (!$user instanceof UserInterface) {
return false;
}
switch ($attribute) {
case self::VIEW:
// grant VIEW privileges if at least one of the following
// statements is true:
// 1. the user's primary school is the group's owning school
// and has at least one of 'Course Director', 'Faculty' and 'Developer' roles.
// 2. the user has READ rights on the group's owning school via the permissions system
// and has at least one of 'InstructorGroup Director', 'Faculty' and 'Developer' roles.
return $this->userHasRole($user, ['Course Director', 'Faculty', 'Developer']) && ($this->schoolsAreIdentical($user->getSchool(), $group->getSchool()) || $this->permissionManager->userHasReadPermissionToSchool($user, $group->getSchool()));
break;
case self::CREATE:
case self::EDIT:
case self::DELETE:
// grant CREATE, EDIT and DELETE privileges if at least one of the following
// statements is true:
// 1. the user's primary school is the group's owning school
// and the user has at least one of the 'Course Director' and 'Developer' roles.
// 2. the user has WRITE rights on the group's owning school via the permissions system
// and the user has at least one of the 'Course Director' and 'Developer' roles.
return $this->userHasRole($user, ['Course Director', 'Developer']) && ($this->schoolsAreIdentical($user->getSchool(), $group->getSchool()) || $this->permissionManager->userHasWritePermissionToSchool($user, $group->getSchool()));
break;
}
return false;
}
