kalanis\kw_mapper\Mappers\Shared\TForeignKey

Complexity

Total Complexity

4

Size/Duplication

Total Lines	27
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	getForeignKeys()	0	3	1
A	initClassFks()	0	4	2
A	addForeignKey()	0	5	1

<?php

namespace kalanis\kw_mapper\Mappers\Shared;


/**
 * Trait TForeignKey
 * @package kalanis\kw_mapper\Mappers\Shared
 * Accessing foreign keys
 *
 * @todo idea: fk from/to composite keys
 *     - shall be like array where the first entry is what will join and then what entry aliases will be used
 */
trait TForeignKey
{
    /** @var array<string, ForeignKey> */
    protected $foreignKeys = [];
    /** @var ForeignKey|null */
    private $foreignKeyClass = null;

    public function addForeignKey(string $localAlias, string $remoteRecord, string $localEntryKey, string $remoteEntryKey): void
    {
        $this->initClassFks();
        $foreignKeyClass = clone $this->foreignKeyClass;
        $this->foreignKeys[$localAlias] = $foreignKeyClass->setData($localAlias, $remoteRecord, $localEntryKey, $remoteEntryKey);
    }

    private function initClassFks(): void
    {
        if (empty($this->foreignKeyClass)) {
            $this->foreignKeyClass = new ForeignKey();
        }
    }

    /**
     * @return array<string, ForeignKey>
     */
    public function getForeignKeys(): array
    {
        return $this->foreignKeys;
    }
}