class.ilStudyProgrammeAutoCategoryDBRepository.php

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<?php

declare(strict_types=1);

class ilStudyProgrammeAutoCategoryDBRepository implements ilStudyProgrammeAutoCategoryRepository
{
    private const TABLE = 'prg_auto_content';
    private const FIELD_PRG_OBJ_ID = 'prg_obj_id';
    private const FIELD_CAT_REF_ID = 'cat_ref_id';
    private const FIELD_EDITOR_ID = 'last_usr_id';
    private const FIELD_LAST_EDITED = 'last_edited';

    protected ilDBInterface $db;
    protected int $current_usr_id;

    public function __construct(
        ilDBInterface $db,
        int $current_usr_id
    ) {
        $this->db = $db;
        $this->current_usr_id = $current_usr_id;
    }

    public function getFor(int $prg_obj_id): array
    {
        $query = 'SELECT '
            . self::FIELD_PRG_OBJ_ID . ','
            . self::FIELD_CAT_REF_ID . ','
            . self::FIELD_EDITOR_ID . ','
            . self::FIELD_LAST_EDITED
            . PHP_EOL . 'FROM ' . self::TABLE
            . PHP_EOL . 'WHERE ' . self::FIELD_PRG_OBJ_ID . ' = '
            . $this->db->quote($prg_obj_id, 'integer');

        $res = $this->db->query($query);
        $ret = [];
        while ($rec = $this->db->fetchAssoc($res)) {
            $ret[] = $this->create(
                (int) $rec[self::FIELD_PRG_OBJ_ID],
                (int) $rec[self::FIELD_CAT_REF_ID],
                (int) $rec[self::FIELD_EDITOR_ID],
                new DateTimeImmutable($rec[self::FIELD_LAST_EDITED])
            );
        }
        return $ret;
    }

    public function create(
        int $prg_obj_id,
        int $category_ref_id,
        ?int $last_edited_usr_id = null,
        ?DateTimeImmutable $last_edited = null
    ): ilStudyProgrammeAutoCategory {
        if (is_null($last_edited_usr_id)) {
            $last_edited_usr_id = $this->current_usr_id;
        }
        if (is_null($last_edited)) {
            $last_edited = new DateTimeImmutable();
        }

        return new ilStudyProgrammeAutoCategory(
            $prg_obj_id,
            $category_ref_id,
            $last_edited_usr_id,
            $last_edited
        );
    }

    public function update(ilStudyProgrammeAutoCategory $ac): void
    {
        $ilAtomQuery = $this->db->buildAtomQuery();
        $ilAtomQuery->addTableLock(self::TABLE);

        $current_usr_id = $this->current_usr_id;
        $ilAtomQuery->addQueryCallable(
            function (ilDBInterface $db) use ($ac, $current_usr_id) {
                $query =
                      'DELETE FROM ' . self::TABLE . PHP_EOL
                     . 'WHERE prg_obj_id = ' . $ac->getPrgObjId() . PHP_EOL
                     . 'AND cat_ref_id = ' . $ac->getCategoryRefId()
                ;

                $db->manipulate($query);

                $now = new DateTimeImmutable();
                $now = $now->format('Y-m-d H:i:s');
                $db->insert(
                    self::TABLE,
                    [
                        self::FIELD_PRG_OBJ_ID => ['integer', $ac->getPrgObjId()],
                        self::FIELD_CAT_REF_ID => ['integer', $ac->getCategoryRefId()],
                        self::FIELD_EDITOR_ID => ['integer', $current_usr_id],
                        self::FIELD_LAST_EDITED => ['timestamp', $now]
                    ]
                );
            }
        );
        $ilAtomQuery->run();
    }

    public function delete(int $prg_obj_id, array $cat_ref_ids): void
    {
        $ids = array_map(
            function ($id) {
                return $this->db->quote($id, 'integer');
            },
            $cat_ref_ids
        );
        $ids = implode(',', $ids);

        $query =
             'DELETE FROM ' . self::TABLE . PHP_EOL
            . 'WHERE prg_obj_id = ' . $this->db->quote($prg_obj_id, 'integer') . PHP_EOL
            . 'AND cat_ref_id IN (' . $ids . ')'
        ;
        $this->db->manipulate($query);
    }

    public function deleteFor(int $prg_obj_id): void
    {
        $query =
             'DELETE FROM ' . self::TABLE . PHP_EOL
            . 'WHERE prg_obj_id = ' . $this->db->quote($prg_obj_id, 'integer')
        ;
        $this->db->manipulate($query);
    }


    public static function getProgrammesFor(int $cat_ref_id): array
    {
        global $ilDB;
        $query = 'SELECT ' . self::FIELD_PRG_OBJ_ID
            . PHP_EOL . 'FROM ' . self::TABLE . ' prgs'
            . PHP_EOL . 'INNER JOIN object_reference oref ON '
            . 'prgs.' . self::FIELD_PRG_OBJ_ID . ' =  oref.obj_id'
            . PHP_EOL . 'WHERE ' . self::FIELD_CAT_REF_ID . ' = ' . $ilDB->quote($cat_ref_id, 'integer')
            . PHP_EOL . 'AND oref.deleted IS NULL';

        $res = $ilDB->query($query);
        return $ilDB->fetchAll($res);
    }
}