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1<?php
2
3namespace Qmp\Laravel\ApiFilterRequest;
4
5use Illuminate\Support\Str;
6use Qmp\Laravel\ApiFilterRequest\Filters\Fields;
7use Qmp\Laravel\ApiFilterRequest\Filters\OrderBy;
8use Qmp\Laravel\ApiFilterRequest\Filters\Conditions;
9use Qmp\Laravel\ApiFilterRequest\Filters\Aggregate;
10use Qmp\Laravel\ApiFilterRequest\Filters\Limit;
11
12class Filters
13{
14    protected $variables = ['fields', 'orderBy', 'conditions', 'aggregate', 'limit'];
15
16    /**
17     * @var Fields
18     */
19    private $fields;
20
21    /**
22     * @var OrderBy
23     */
24    private $orderBy;
25
26    /**
27     * @var Conditions
28     */
29    private $conditions;
30
31    /**
32     * @var Aggregate
33     */
34    private $aggregate;
35
36    /**
37     * @var Limit
38     */
39    private $limit;
40
41    /**
42     * Filters constructor.
43     * @param array $parameters
44     */
45    public function __construct(array $parameters)
46    {
47        $variables = $this->variables;
48        foreach ($variables as $key) {
49            $variable = Str::snake($key);
50            $classname = '\\Qmp\\Laravel\\ApiFilterRequest\\Filters\\' . Str::studly($key);
51            $this->$key = new $classname();
52            if (isset($parameters[$variable])) {
53
54                if ($this->$key->check($parameters[$variable])) {
55                    $this->$key->set($parameters[$variable]);
56                }
57            }
58        }
59    }
60
61    /**
62     * Return object's propterty
63     *
64     * @param $variable
65     * @return null
66     */
67    public function __get($variable)
68    {
69        if (property_exists($this, $variable) && $this->$variable !== null) {
70            return $this->$variable;
71        }
72
73        return null;
74    }
75
76    /**
77     * @return array
78     */
79    public function getErrors()
80    {
81        $errors = [];
82        $variables = $this->variables;
83        foreach ($variables as $key) {
84            $error = $this->$key->getErrors();
85            if (!empty($error)) {
86                $variable = Str::snake($key);
87                $errors[$variable] = $error;
88            }
89        }
90
91        return $errors;
92    }
93}