ElggAccessCollection.php

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<?php

class ElggAccessCollection extends ElggData {

    public function __construct(stdClass $row = null) {
        $this->initializeAttributes();

        foreach ((array) $row as $key => $value) {
            $this->attributes[$key] = $value;
        }
    }

    protected function initializeAttributes(): void {
        parent::initializeAttributes();

        $this->attributes['id'] = null;
        $this->attributes['owner_guid'] = _elgg_services()->session_manager->getLoggedInUserGuid();
        $this->attributes['name'] = null;
        $this->attributes['subtype'] = null;
    }

    public function __set($name, $value): void {
        switch ($name) {
            case 'id':
                $value = (int) $value;
                break;
            case 'subtype':
                if (isset($value)) {
                    $value = trim((string) $value);
                    if (strlen($value) > 255) {
                        throw new \Elgg\Exceptions\LengthException('The "subtype" of an ElggAccessCollection cannot be greated than 255 characters');
                    }
                }
                break;
            case 'name':
                $value = trim((string) $value);
                if (empty($value)) {
                    throw new \Elgg\Exceptions\LengthException('The "name" of an ElggAccessCollection cannot be empty');
                }
                break;
            case 'owner_guid':
                $value = (int) $value;
                if (!_elgg_services()->entityTable->exists($value)) {
                    throw new \Elgg\Exceptions\InvalidArgumentException("The 'owner_guid' ({$value}) for the ElggAccessColelction doesn't seem to exists");
                }
                break;
        }
        
        $this->attributes[$name] = $value;
    }

    public function __get($name) {
        return $this->attributes[$name] ?? null;
    }

    public function getOwnerEntity(): ?\ElggEntity {
        return _elgg_services()->entityTable->get($this->owner_guid);
    }

    public function getDisplayName(): string {

        $filter = function($name = null) {
            if (!isset($name)) {
                $name = _elgg_services()->translator->translate('access:limited:label');
            }
            
            $params = [
                'access_collection' => $this,
            ];
            return (string) _elgg_services()->events->triggerResults('access_collection:name', $this->getType(), $params, $name);
        };

        $user = _elgg_services()->session_manager->getLoggedInUser();
        $owner = $this->getOwnerEntity();
        if (!$user || !$owner) {
            // User is not logged in or does not access to the owner entity:
            // return default 'Limited' label
            return $filter();
        }
        
        if ($user->isAdmin() || $owner->guid == $user->guid) {
            return $filter($this->name);
        }

        return $filter();
    }

    public function save(): bool {
        if ($this->id > 0) {
            return _elgg_services()->accessCollections->update($this);
        }
        
        return _elgg_services()->accessCollections->create($this);
    }

    public function delete(): bool {
        return _elgg_services()->accessCollections->delete($this);
    }

    public function canEdit(int $user_guid = null): bool {
        return _elgg_services()->accessCollections->canEdit($this->id, $user_guid);
    }

    public function getMembers(array $options = []) {
        return _elgg_services()->accessCollections->getMembers($this->id, $options);
    }

    public function hasMember(int $member_guid = 0): bool {
        return _elgg_services()->accessCollections->hasUser($member_guid, $this->id);
    }

    public function addMember(int $member_guid = 0): bool {
        return _elgg_services()->accessCollections->addUser($member_guid, $this->id);
    }

    public function removeMember(int $member_guid = 0): bool {
        return _elgg_services()->accessCollections->removeUser($member_guid, $this->id);
    }

    public function getURL(): string {
        $type = $this->getType();
        $params = [
            'access_collection' => $this,
        ];
        $url = _elgg_services()->events->triggerResults('access_collection:url', $type, $params);
        return elgg_normalize_url($url);
    }

    public function toObject(array $params = []) {
        $object = new \Elgg\Export\AccessCollection();
        $object->type = $this->getType();
        $object->subtype = $this->getSubtype();
        $object->id = $this->id;
        $object->owner_guid = $this->owner_guid;
        $object->name = $this->name;

        $params['access_collection'] = $this;

        return _elgg_services()->events->triggerResults('to:object', 'access_collection', $params, $object);
    }

    public function getSystemLogID(): int {
        return (int) $this->id;
    }

    public function getObjectFromID(int $id) {
        return _elgg_services()->accessCollections->get($id);
    }

    public function getType(): string {
        return 'access_collection';
    }

    public function getSubtype(): string {
        if (isset($this->subtype)) {
            return $this->subtype;
        }
        
        return $this->name;
    }
}