class.ilDclFileuploadFieldModel.php

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<?php

class ilDclFileuploadFieldModel extends ilDclBaseFieldModel
{

    public function getRecordQuerySortObject($direction = "asc", $sort_by_status = false)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $join_str
            = "LEFT JOIN il_dcl_record_field AS sort_record_field_{$this->getId()} ON (sort_record_field_{$this->getId()}.record_id = record.id AND sort_record_field_{$this->getId()}.field_id = "
            . $ilDB->quote($this->getId(), 'integer') . ") ";
        $join_str .= "LEFT JOIN il_dcl_stloc{$this->getStorageLocation()}_value AS sort_stloc_{$this->getId()} ON (sort_stloc_{$this->getId()}.record_field_id = sort_record_field_{$this->getId()}.id) ";
        $join_str .= "LEFT JOIN object_data AS sort_object_data_{$this->getId()} ON (sort_object_data_{$this->getId()}.obj_id = sort_stloc_{$this->getId()}.value) ";
        $select_str = " sort_object_data_{$this->getId()}.title AS field_{$this->getId()},";

        $sql_obj = new ilDclRecordQueryObject();
        $sql_obj->setSelectStatement($select_str);
        $sql_obj->setJoinStatement($join_str);
        $sql_obj->setOrderStatement("field_{$this->getId()} " . $direction);

        return $sql_obj;
    }


    public function getRecordQueryFilterObject($filter_value = "", ilDclBaseFieldModel $sort_field = null)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];

        $join_str
            = "INNER JOIN il_dcl_record_field AS filter_record_field_{$this->getId()} ON (filter_record_field_{$this->getId()}.record_id = record.id AND filter_record_field_{$this->getId()}.field_id = "
            . $ilDB->quote($this->getId(), 'integer') . ") ";
        $join_str .= "INNER JOIN il_dcl_stloc{$this->getStorageLocation()}_value AS filter_stloc_{$this->getId()} ON (filter_stloc_{$this->getId()}.record_field_id = filter_record_field_{$this->getId()}.id) ";
        $join_str .= "INNER JOIN object_data AS filter_object_data_{$this->getId()} ON (filter_object_data_{$this->getId()}.obj_id = filter_stloc_{$this->getId()}.value AND filter_object_data_{$this->getId()}.title LIKE "
            . $ilDB->quote("%$filter_value%", 'text') . ") ";

        $sql_obj = new ilDclRecordQueryObject();
        $sql_obj->setJoinStatement($join_str);

        return $sql_obj;
    }


    public function getSupportedExtensions()
    {
        if (!$this->hasProperty(ilDclBaseFieldModel::PROP_SUPPORTED_FILE_TYPES)) {
            return "*";
        }

        $file_types = $this->getProperty(ilDclBaseFieldModel::PROP_SUPPORTED_FILE_TYPES);

        return $this->parseSupportedExtensions($file_types);
    }


    protected function parseSupportedExtensions($input_value)
    {
        $supported_extensions = explode(",", $input_value);

        $trim_function = function ($value) {
            return trim(trim(strtolower($value)), ".");
        };

        return array_map($trim_function, $supported_extensions);
    }


    public function checkValidity($value, $record_id = null)
    {
        //Don't check empty values
        if ($value == null || $value['size'] == 0) {
            return true;
        }

        if ($this->isUnique()) {
            $title = $value['name'];
            $table = ilDclCache::getTableCache($this->getTableId());
            foreach ($table->getRecords() as $record) {
                if ($this->normalizeValue($record->getRecordFieldExportValue($this->getId())) == $this->normalizeValue($title) && ($record->getId() != $record_id || $record_id == 0)) {
                    throw new ilDclInputException(ilDclInputException::UNIQUE_EXCEPTION);
                }
            }
        }

        return true;
    }


    public function getValidFieldProperties()
    {
        return array(ilDclBaseFieldModel::PROP_SUPPORTED_FILE_TYPES);
    }


    public function allowFilterInListView()
    {
        return false;
    }
}