Recca0120\Repository\Compilers\Compiler

Complexity

Total Complexity

14

Size/Duplication

Total Lines	124
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

8 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	push()	0	10	4
A	apply()	0	9	3
A	defaults()	0	6	1
A	isExpression()	0	4	1
A	groupByType()	0	13	2
A	convertToCriteria()	0	7	2
	compileParameters()	0	1	?

<?php

namespace Recca0120\Repository\Compilers;

use Recca0120\Repository\Criteria;
use Recca0120\Repository\Expression;

abstract class Compiler
{
    /**
     * $items.
     *
     * @var array
     */
    protected $items = [];

    /**
     * $model.
     *
     * @var mixed
     */
    protected $model;

    /**
     * __construct.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     */
    public function __construct($model)
    {
        $this->model = $model;
    }

    /**
     * push.
     *
     * @param \Recca0120\Repository\Criteria $criteria
     * @return $this
     */
    public function push($criteria)
    {
        $items = is_array($criteria) ? $criteria : [$criteria];
        foreach ($items as $key => $value) {
            $this->items[] = $value instanceof Criteria ?
                $value : $this->convertToCriteria($value, $key);
        }

        return $this;
    }

    /**
     * apply.
     *
     * @return mixed
     */
    public function apply()
    {
        foreach ($this->groupByType() as $type => $actions) {
            $method = method_exists($this, $type) === true ? $type : 'defaults';
            $this->model = call_user_func_array([$this, $method], [$this->model, $actions]);
        }

        return $this->model;
    }

    /**
     * defaults apply.
     *
     * @param mixed $model
     * @param array $actions
     * @return mixed
     */
    public function defaults($model, $actions)
    {
        return array_reduce($actions, function ($model, $action) {
            return call_user_func_array([$model, $action['method']], $action['parameters']);
        }, $model);
    }

    /**
     * isExpression.
     *
     * @param mixed$param
     * @return bool
     */
    protected function isExpression($param)
    {
        return $param instanceof Expression;
    }

    /**
     * groupByType.
     *
     * @return array
     */
    protected function groupByType()
    {
        return array_reduce($this->items, function ($allows, $criteria) {
            foreach ($criteria->all() as $action) {
                $allows[$action->type][] = [
                    'method' => $action->method,
                    'parameters' => $this->compileParameters($action->parameters),
                ];
            }

            return $allows;
        }, []);
    }

    /**
     * convertToCriteria.
     *
     * @param array $value
     * @return \Recca0120\Repository\Criteria
     */
    protected function convertToCriteria($value, $key)
    {
        return call_user_func_array(
            [Criteria::create(), 'where'],
            is_array($value) ? $value : [$key, $value]
        );
    }

    /**
     * transformParameters.
     *
     * @param array $parameters
     * @return array
     */
    abstract protected function compileParameters($parameters);
}