TYPO3\CMS\Core\Database\RelationHandler::start()

Complexity

Conditions	24
Paths	8064

Size

Total Lines	79
Code Lines	48

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function start($itemlist, $tablelist, $MMtable = '', $MMuid = 0, $currentTable = '', $conf = [])
    {
        $conf = (array)$conf;
        // SECTION: MM reverse relations
        $this->MM_is_foreign = (bool)($conf['MM_opposite_field'] ?? false);
        $this->MM_oppositeField = $conf['MM_opposite_field'] ?? null;
        $this->MM_table_where = $conf['MM_table_where'] ?? null;
        $this->MM_hasUidField = $conf['MM_hasUidField'] ?? null;
        $this->MM_match_fields = (isset($conf['MM_match_fields']) && is_array($conf['MM_match_fields'])) ? $conf['MM_match_fields'] : [];
        $this->MM_insert_fields = (isset($conf['MM_insert_fields']) && is_array($conf['MM_insert_fields'])) ? $conf['MM_insert_fields'] : $this->MM_match_fields;
        $this->currentTable = $currentTable;
        if (!empty($conf['MM_oppositeUsage']) && is_array($conf['MM_oppositeUsage'])) {
            $this->MM_oppositeUsage = $conf['MM_oppositeUsage'];
        }
        if ($this->MM_is_foreign) {
            $allowedTableList = $conf['type'] === 'group' ? $conf['allowed'] : $conf['foreign_table'];
            // Normally, $conf['allowed'] can contain a list of tables,
            // but as we are looking at a MM relation from the foreign side,
            // it only makes sense to allow one one table in $conf['allowed']
            [$this->MM_oppositeTable] = GeneralUtility::trimExplode(',', $allowedTableList);
            // Only add the current table name if there is more than one allowed field
            // We must be sure this has been done at least once before accessing the "columns" part of TCA for a table.
            $this->MM_oppositeFieldConf = $GLOBALS['TCA'][$this->MM_oppositeTable]['columns'][$this->MM_oppositeField]['config'];
            if ($this->MM_oppositeFieldConf['allowed']) {
                $oppositeFieldConf_allowed = explode(',', $this->MM_oppositeFieldConf['allowed']);
                if (count($oppositeFieldConf_allowed) > 1 || $this->MM_oppositeFieldConf['allowed'] === '*') {
                    $this->MM_isMultiTableRelationship = $oppositeFieldConf_allowed[0];
                }
            }
        }
        // SECTION:	normal MM relations
        // If the table list is "*" then all tables are used in the list:
        if (trim($tablelist) === '*') {
            $tablelist = implode(',', array_keys($GLOBALS['TCA']));
        }
        // The tables are traversed and internal arrays are initialized:
        $tempTableArray = GeneralUtility::trimExplode(',', $tablelist, true);
        foreach ($tempTableArray as $val) {
            $tName = trim($val);
            $this->tableArray[$tName] = [];
            $deleteField = $GLOBALS['TCA'][$tName]['ctrl']['delete'] ?? false;
            if ($this->checkIfDeleted && $deleteField) {
                $fieldN = $tName . '.' . $deleteField;
                $this->additionalWhere[$tName] .= ' AND ' . $fieldN . '=0';
            }
        }
        if (is_array($this->tableArray)) {

The condition is_array($this->tableArray) is always true.

            reset($this->tableArray);
        } else {
            // No tables
            return;
        }
        // Set first and second tables:
        // Is the first table
        $this->firstTable = key($this->tableArray);
        next($this->tableArray);
        // If the second table is set and the ID number is less than zero (later)
        // then the record is regarded to come from the second table...
        $this->secondTable = key($this->tableArray);
        // Now, populate the internal itemArray and tableArray arrays:
        // If MM, then call this function to do that:
        if ($MMtable) {
            if ($MMuid) {
                $this->readMM($MMtable, $MMuid);
                $this->purgeItemArray();
            } else {
                // Revert to readList() for new records in order to load possible default values from $itemlist
                $this->readList($itemlist, $conf);
                $this->purgeItemArray();
            }
        } elseif ($MMuid && isset($conf['foreign_field']) && (bool)$conf['foreign_field']) {
            // If not MM but foreign_field, the read the records by the foreign_field
            $this->readForeignField($MMuid, $conf);
        } else {
            // If not MM, then explode the itemlist by "," and traverse the list:
            $this->readList($itemlist, $conf);
            // Do automatic default_sortby, if any
            if (isset($conf['foreign_default_sortby']) && $conf['foreign_default_sortby']) {
                $this->sortList($conf['foreign_default_sortby']);
            }