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LinkButton.class.php

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    UserDataField.php 2.90 KiB
    <?php
    
    namespace Courseware;
    
    /**
     * Courseware's user data fields.
     *
     * @author  Marcus Eibrink-Lunzenauer <lunzenauer@elan-ev.de>
     * @author  Till Glöggler <gloeggler@elan-ev.de>
     * @author  Ron Lucke <lucke@elan-ev.de>
     * @license GPL2 or any later version
     *
     * @since   Stud.IP 5.0
     *
     * @property array             $id       computed column read/write
     * @property string            $user_id  database column
     * @property id                $block_id database column
     * @property \JSONArrayObject  $payload  database column
     * @property int               $mkdate   database column
     * @property int               $chdate   database column
     * @property \Courseware\Block $block    belongs_to Courseware\Block
     * @property \User             $user     belongs_to User
     */
    class UserDataField extends \SimpleORMap implements \PrivacyObject
    {
        protected static function configure($config = [])
        {
            $config['db_table'] = 'cw_user_data_fields';
    
            $config['serialized_fields']['payload'] = 'JSONArrayObject';
    
            $config['belongs_to']['block'] = [
                'class_name' => Block::class,
                'foreign_key' => 'block_id',
            ];
    
            $config['belongs_to']['user'] = [
                'class_name' => \User::class,
                'foreign_key' => 'user_id',
            ];
    
            parent::configure($config);
        }
    
        /**
         * Returns either an existing UserDataField of this user and block or creates a new one.
         *
         * @param \User $user  the user of the existing or new UserDataField
         * @param Block $block the block of the existing or new UserDataField
         *
         * @return UserDataField the either already existing or new UserDataField
         */
        public static function getUserDataField(\User $user, Block $block): UserDataField
        {
            /** @var ?UserDataField $userDataField */
            $userDataField = UserDataField::find([$user->id, $block->id]);
            if (!$userDataField) {
                // TODO: Jeder BlockType sollte hier sagen dürfen, welchen Defaultwert das UserDataField haben sollte
                $payload = [];
                /** @var UserDataField $userDataField */
                $userDataField = UserDataField::build([
                    'user_id' => $user->id,
                    'block_id' => $block->id,
                    'payload' => $payload,
                ]);
            }
    
            return $userDataField;
        }
    
        /**
         * Export available data of a given user into a storage object
         * (an instance of the StoredUserData class) for that user.
         *
         * @param StoredUserData $storage object to store data into
         */
        public static function exportUserData(\StoredUserData $storage)
        {
            $userData = \DBManager::get()->fetchAll(
                'SELECT * FROM cw_user_data_fields WHERE user_id = ?',
                [$storage->user_id]
            );
            if ($userData) {
                $storage->addTabularData(_('Courseware Nutzerdaten'), 'cw_user_data_fields', $userData);
            }
        }
    }