class.ilRecommendedContentManager.php

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<?php

class ilRecommendedContentManager
{
    protected ilRecommendedContentDBRepository $repo;
    protected ilRbacReview $rbacreview;
    protected ilFavouritesManager $fav_manager;
    protected ilAccessHandler $access;

    public function __construct(
        ?ilRecommendedContentDBRepository $repo = null,
        ?ilRbacReview $rbacreview = null,
        ?ilFavouritesManager $fav_manager = null
    ) {
        global $DIC;

        $this->repo = (is_null($repo))
            ? new ilRecommendedContentDBRepository()
            : $repo;

        $this->rbacreview = (is_null($rbacreview))
            ? $DIC->rbac()->review()
            : $rbacreview;

        $this->fav_manager = (is_null($fav_manager))
            ? new ilFavouritesManager()
            : $fav_manager;

        $this->access = $DIC->access();
    }

    public function addRoleRecommendation(int $role_id, int $ref_id): void
    {
        $this->repo->addRoleRecommendation($role_id, $ref_id);
    }

    public function removeRoleRecommendation(int $role_id, int $ref_id): void
    {
        $this->repo->removeRoleRecommendation($role_id, $ref_id);
    }

    public function getRecommendationsOfRole(int $role_id): array
    {
        return $this->repo->getRecommendationsOfRoles([$role_id]);
    }


    public function addObjectRecommendation(int $user_id, int $ref_id): void
    {
        $this->repo->addObjectRecommendation($user_id, $ref_id);
    }

    public function removeObjectRecommendation(int $user_id, int $ref_id): void
    {
        $this->repo->removeObjectRecommendation($user_id, $ref_id);
    }

    //  Remove all recommendations of a ref id (role and user/object related)
    public function removeRecommendationsOfRefId(int $ref_id): void
    {
        $this->repo->removeRecommendationsOfRefId($ref_id);
    }

    public function removeRecommendationsOfUser(int $user_id): void
    {
        $this->repo->removeRecommendationsOfUser($user_id);
    }

    public function removeRecommendationsOfRole(int $role_id): void
    {
        $this->repo->removeRecommendationsOfRole($role_id);
    }

    public function getOpenRecommendationsOfUser(int $user_id): array
    {
        $review = $this->rbacreview;
        $repo = $this->repo;
        $access = $this->access;

        $role_ids = $review->assignedRoles($user_id);

        $recommendations = $repo->getOpenRecommendationsOfUser($user_id, $role_ids);

        // filter out favourites
        $favourites = $this->fav_manager->getFavouritesOfUser($user_id);
        $favourites_ref_ids = array_column($favourites, "ref_id");

        return array_filter($recommendations, static function ($i) use ($favourites_ref_ids, $access): bool {
            return !in_array($i, $favourites_ref_ids) && $access->checkAccess('visible', '', $i);
        });
    }

    public function declineObjectRecommendation(int $user_id, int $ref_id): void
    {
        $this->repo->declineObjectRecommendation($user_id, $ref_id);
    }
}