DuplicateTrait::deduplicate() - Code Metrics - Inspection of "commands" - spiral/components - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — feature/pre-split (9269d3)

by Anton

created 2017-01-13 17:06 UTC

DuplicateTrait::deduplicate() A

↳ Parent: DuplicateTrait

Complexity

Conditions	2
Paths	2

Size

Total Lines	17
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	2
eloc	7
nc	2
nop	1
dl	0
loc	17
rs	9.4285
c	0
b	0
f	0

<?php
/**
 * components
 *
 * @author    Wolfy-J
 */
namespace Spiral\ORM\Entities\Nodes\Traits;

/**
 * Trait provides ability for Node to ensure that given data is unique in selection.
 */
trait DuplicateTrait
{
    /**
     * @var string
     */
    private $primaryKey = '';

    /**
     * Aggregated duplicate data.
     *
     * @invisible
     * @var array
     */
    private $duplicates = [];

    /**
     * In many cases (for example if you have inload of HAS_MANY relation) record data can be
     * replicated by many result rows (duplicated). To prevent wrong data linking we have to
     * deduplicate such records. This is only internal loader functionality and required due data
     * tree are built using php references.
     *
     * Method will return true if data is unique handled before and false in opposite case.
     * Provided data array will be automatically linked with it's unique state using references.
     *
     * @param array $data Reference to parsed record data, reference will be pointed to valid and
     *                    existed data segment if such data was already parsed.
     *
     * @return bool
     */
    protected function deduplicate(array &$data): bool
    {
        $criteria = $this->duplicateCriteria($data);

        if (isset($this->duplicates[$criteria])) {
            //Duplicate is presented, let's reduplicate
            $data = $this->duplicates[$criteria];

            //Duplicate is presented
            return false;
        }

        //Remember record to prevent future duplicates
        $this->duplicates[$criteria] = &$data;

        return true;
    }

    /**
     * Calculate duplication criteria.
     *
     * @param array $data
     *
     * @return mixed
     */
    protected function duplicateCriteria(array &$data)
    {
        return $data[$this->primaryKey];
    }
}

1			<?php
2			/**
3			* components
4			*
5			* @author Wolfy-J
6			*/
7			namespace Spiral\ORM\Entities\Nodes\Traits;
8
9			/**
10			* Trait provides ability for Node to ensure that given data is unique in selection.
11			*/
12			trait DuplicateTrait
13			{
14			/**
15			* @var string
16			*/
17			private $primaryKey = '';
18
19			/**
20			* Aggregated duplicate data.
21			*
22			* @invisible
23			* @var array
24			*/
25			private $duplicates = [];
26
27			/**
28			* In many cases (for example if you have inload of HAS_MANY relation) record data can be
29			* replicated by many result rows (duplicated). To prevent wrong data linking we have to
30			* deduplicate such records. This is only internal loader functionality and required due data
31			* tree are built using php references.
32			*
33			* Method will return true if data is unique handled before and false in opposite case.
34			* Provided data array will be automatically linked with it's unique state using references.
35			*
36			* @param array $data Reference to parsed record data, reference will be pointed to valid and
37			* existed data segment if such data was already parsed.
38			*
39			* @return bool
40			*/
41			protected function deduplicate(array &$data): bool
42			{
43			$criteria = $this->duplicateCriteria($data);
44
45			if (isset($this->duplicates[$criteria])) {
46			//Duplicate is presented, let's reduplicate
47			$data = $this->duplicates[$criteria];
48
49			//Duplicate is presented
50			return false;
51			}
52
53			//Remember record to prevent future duplicates
54			$this->duplicates[$criteria] = &$data;
55
56			return true;
57			}
58
59			/**
60			* Calculate duplication criteria.
61			*
62			* @param array $data
63			*
64			* @return mixed
65			*/
66			protected function duplicateCriteria(array &$data)
67			{
68			return $data[$this->primaryKey];
69			}
70			}

spiral / components

Branch — feature/pre-split (9269d3)

DuplicateTrait::deduplicate() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

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