66 lines
1.9 KiB
PHP
66 lines
1.9 KiB
PHP
<?php
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/**
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* Copyright 2015 OpenStack Foundation
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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namespace utils;
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use Illuminate\Database\Eloquent\Relations\Relation;
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/**
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* Class Order
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* @package utils
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*/
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final class Order
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{
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/**
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* @var array
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*/
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private $ordering;
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public function __construct($ordering = array())
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{
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$this->ordering = $ordering;
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}
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public function apply2Relation(Relation $relation, array $mappings)
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{
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foreach ($this->ordering as $order) {
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if ($order instanceof OrderElement) {
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if (isset($mappings[$order->getField()])) {
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$mapping = $mappings[$order->getField()];
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$relation->getQuery()->orderBy($mapping, $order->getDirection());
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}
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}
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}
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return $this;
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}
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/**
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* @param array $mappings
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* @return string
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*/
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public function toRawSQL(array $mappings)
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{
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$sql = ' ORDER BY ';
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foreach ($this->ordering as $order) {
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if ($order instanceof OrderElement) {
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if (isset($mappings[$order->getField()])) {
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$mapping = $mappings[$order->getField()];
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$sql .= sprintf('%s %s, ', $mapping, $order->getDirection());
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}
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}
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}
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return substr($sql, 0 , strlen($sql) - 2);
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}
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} |