Records::getCount() - Code Metrics - alex-kalanis/kw_mapper - Measure and Improve Code Quality continuously with Scrutinizer

Records::getCount() A
last analyzed 2025-05-11 16:44 UTC

↳ Parent: Records

Complexity

Conditions	1
Paths	1

Size

Total Lines	3
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	1
c	1
b	0
f	0
dl	0
loc	3
ccs	2
cts	2
cp	1
rs	10
cc	1
nc	1
nop	0
crap	1

<?php

namespace kalanis\kw_mapper\Search\Connector;


use kalanis\kw_mapper\Interfaces\IQueryBuilder;
use kalanis\kw_mapper\MapperException;
use kalanis\kw_mapper\Records\ARecord;
use kalanis\kw_mapper\Storage;


/**
 * Class Records
 * @package kalanis\kw_mapper\Search
 * Connect records behaving as datasource
 * Behave only as advanced filtering
 */
class Records extends AConnector
{
    /** @var ARecord[] */
    protected array $initialRecords = [];
    protected ?Storage\Shared\QueryBuilder\Condition $condition = null;
    protected ?Storage\Shared\QueryBuilder\Order $sortingOrder = null;

    /**
     * @param ARecord $record
     * @throws MapperException
     */
    public function __construct(ARecord $record)
    {
        $this->basicRecord = $record;
        $this->initRecordLookup($record); // correct column
        $this->queryBuilder = $this->initQueryBuilder();
        $this->queryBuilder->setBaseTable($record->getMapper()->getAlias());
    }

    protected function initQueryBuilder(): Storage\Shared\QueryBuilder
    {
        return new Storage\Shared\QueryBuilder();
    }

    /**
     * @param ARecord[] $initialRecords
     */
    public function setInitialRecords(array $initialRecords): void
    {
        $this->initialRecords = array_filter($initialRecords, [$this, 'filterInitial']);
    }

    /**
     * @param mixed $record
     * @return bool
     */
    public function filterInitial($record): bool
    {
        $class = get_class($this->basicRecord);
        return is_object($record) && ($record instanceof $class);
    }

    /**
     * @param string $table
     * @return string
     * The table here represents a unknown entity, in which it's saved - can even be no storage and the whole can be
     * initialized on-the-fly. So return no table. Also good for files where the storage points to the whole file path.
     * In fact in some SQL engines it's also real file on volume.
     */
    protected function correctTable(string $table): string
    {
        return '';
    }

    /**
     * @param string $table
     * @param string $column
     * @throws MapperException
     * @return string
     */
    protected function correctColumn(string $table, string $column)
    {
        $relations = $this->basicRecord->getMapper()->getRelations();
        if (!isset($relations[$column])) {
            throw new MapperException(sprintf('Unknown relation key *%s* in mapper for table *%s*', $column, $this->basicRecord->getMapper()->getAlias()));
        }
        return $column;
    }

    public function child(string $childAlias, string $joinType = IQueryBuilder::JOIN_LEFT, string $parentAlias = '', string $customAlias = ''): parent
    {
        throw new MapperException('Cannot make relations over already loaded records!');
    }

    public function childNotExist(string $childAlias, string $table, string $column, string $parentAlias = ''): parent
    {
        throw new MapperException('Cannot make relations over already loaded records!');
    }

    public function getCount(): int
    {
        return count($this->getResults(false));
    }

    /**
     * @param bool $limited
     * @throws MapperException
     * @return ARecord[]
     */
    public function getResults(bool $limited = true): array
    {
        $results = $this->sortResults( // sorting
                $this->filterResults( // filters after grouping
                $this->groupResults( // grouping
                    $this->filterResults( // basic filters
                        $this->getInitialRecords(), // all records
                        $this->queryBuilder->getConditions()
                    ),
                    $this->queryBuilder->getGrouping()
                ),
                $this->queryBuilder->getHavingCondition()
            ),
            $this->queryBuilder->getOrdering()
        );

        // paging
        return $limited
            ? array_slice($results, intval($this->queryBuilder->getOffset()), $this->queryBuilder->getLimit())
            : $results ;
    }

    /**
     * @return ARecord[]
     */
    protected function getInitialRecords(): array
    {
        return $this->initialRecords;
    }

    /**
     * @param ARecord[] $records
     * @param Storage\Shared\QueryBuilder\Condition[] $conditions
     * @return ARecord[]
     * @todo: add compare option for OR (at least one condition OK)
     */
    protected function filterResults(array $records, array $conditions): array
    {
        foreach ($conditions as $condition) {
            $this->condition = $condition;
            $records = array_filter($records, [$this, 'filterCondition']);
        }
        $this->condition = null;
        return $records;
    }

    /**
     * @param ARecord[] $records
     * @param Storage\Shared\QueryBuilder\Group[] $grouping
     * @throws MapperException
     * @return ARecord[]
     * Each one in group must have the same value; one difference = another group
     */
    protected function groupResults(array $records, array $grouping): array
    {
        // no groups - no process
        if (empty($grouping)) {
            return $records;
        }
        // get indexes of groups
        $indexes = [];
        foreach ($grouping as $group) {
            $indexes[] = $group->getColumnName();
        }
        $keys = [];
        // over records...
        foreach ($records as $record) {
            $key = [];
            // get value of each element wanted for grouping
            foreach ($indexes as $index) {
                $key[] = strval($record->offsetGet($index));
            }
            // create key which represents that element from the angle of view of groups
            $expected = implode('__', $key);
            // and check if already exists - add if not
            if (!isset($keys[$expected])) {
                $keys[$expected] = $record;
            }
        }
        // here stays only the first one
        return $keys;
    }

    /**
     * @param ARecord[] $records
     * @param Storage\Shared\QueryBuilder\Order[] $ordering
     * @return ARecord[]
     */
    protected function sortResults(array $records, array $ordering): array
    {
        foreach ($ordering as $order) {
            $this->sortingOrder = $order;
            usort($records, [$this, 'sortOrder']);
        }
        $this->sortingOrder = null;
        return $records;
    }

    /**
     * @param ARecord $result
     * @throws MapperException
     * @return bool
     */
    public function filterCondition(ARecord $result): bool
    {
        if (empty($this->condition)) {
            throw new MapperException('You must set conditions first!');
        }

        $columnKey = $this->condition->getColumnKey();
        return $this->condition->isRaw()
            ? (is_callable($this->condition->getRaw())
                ? $this->condition->getRaw()($result)
                : false
            )
            : (is_array($columnKey)
                ? $this->filterFromManyValues(
                    $this->condition->getOperation(),
                    $result->offsetGet($this->condition->getColumnName()),
                    $this->queryBuilder->getParams(),
                    $columnKey
                )
                : $this->checkCondition(
                    $this->condition->getOperation(),
                    $result->offsetGet($this->condition->getColumnName()),
                    $this->queryBuilder->getParams()[$columnKey] ?? null
                )
            )
        ;
    }

    /**
     * @param string $operation
     * @param mixed $value
     * @param array<string, int|string|float|null> $params
     * @param string[] $columnKeys
     * @throws MapperException
     * @return bool
     */
    protected function filterFromManyValues(string $operation, $value, array $params, array $columnKeys): bool
    {
        $values = [];
        foreach ($columnKeys as $columnKey) {
            $values[$columnKey] = $params[$columnKey];
        }
        return $this->checkCondition($operation, $value, $values);
    }

    /**
     * @param string $operation
     * @param mixed $value
     * @param mixed $expected
     * @throws MapperException
     * @return bool
     */
    protected function checkCondition(string $operation, $value, $expected): bool
    {
        switch ($operation) {
            case IQueryBuilder::OPERATION_NULL:
                return is_null($value);
            case IQueryBuilder::OPERATION_NNULL:
                return !is_null($value);
            case IQueryBuilder::OPERATION_EQ:
                return $expected == $value;
            case IQueryBuilder::OPERATION_NEQ:
                return $expected != $value;
            case IQueryBuilder::OPERATION_GT:
                return $expected < $value;
            case IQueryBuilder::OPERATION_GTE:
                return $expected <= $value;
            case IQueryBuilder::OPERATION_LT:
                return $expected > $value;
            case IQueryBuilder::OPERATION_LTE:
                return $expected >= $value;
            case IQueryBuilder::OPERATION_LIKE:
                return false !== mb_strpos($value, $expected);
            case IQueryBuilder::OPERATION_NLIKE:
                return false === mb_strpos($value, $expected);
            case IQueryBuilder::OPERATION_REXP:
                return 1 === preg_match($expected, $value);
            case IQueryBuilder::OPERATION_IN:
                return in_array($value, (array) $expected);
            case IQueryBuilder::OPERATION_NIN:
                return !in_array($value, (array) $expected);
            default:
                throw new MapperException(sprintf('Unknown operation *%s* for comparation.', $operation));
        }
    }

    /**
     * @param ARecord $resultA
     * @param ARecord $resultB
     * @throws MapperException
     * @return int
     */
    public function sortOrder(ARecord $resultA, ARecord $resultB): int
    {
        if (empty($this->sortingOrder)) {
            throw new MapperException('You must set how it will be sorted!');
        }
        $sortingDirection = empty($this->sortingOrder->getDirection()) ? IQueryBuilder::ORDER_ASC : $this->sortingOrder->getDirection();
        $a = $resultA->offsetGet($this->sortingOrder->getColumnName());
        $b = $resultB->offsetGet($this->sortingOrder->getColumnName());

        return (IQueryBuilder::ORDER_ASC == $sortingDirection) ? $a <=> $b : $b <=> $a ;
    }
}


1		<?php
2
3		namespace kalanis\kw_mapper\Search\Connector;
4
5
6		use kalanis\kw_mapper\Interfaces\IQueryBuilder;
7		use kalanis\kw_mapper\MapperException;
8		use kalanis\kw_mapper\Records\ARecord;
9		use kalanis\kw_mapper\Storage;
10
11
12		/**
13		* Class Records
14		* @package kalanis\kw_mapper\Search
15		* Connect records behaving as datasource
16		* Behave only as advanced filtering
17		*/
18		class Records extends AConnector
19		{
20		/** @var ARecord[] */
21		protected array $initialRecords = [];
22		protected ?Storage\Shared\QueryBuilder\Condition $condition = null;
23		protected ?Storage\Shared\QueryBuilder\Order $sortingOrder = null;
24
25		/**
26		* @param ARecord $record
27		* @throws MapperException
28		*/
29	65	public function __construct(ARecord $record)
30		{
31	65	$this->basicRecord = $record;
32	65	$this->initRecordLookup($record); // correct column
33	65	$this->queryBuilder = $this->initQueryBuilder();
34	65	$this->queryBuilder->setBaseTable($record->getMapper()->getAlias());
35		}
36
37	65	protected function initQueryBuilder(): Storage\Shared\QueryBuilder
38		{
39	65	return new Storage\Shared\QueryBuilder();
40		}
41
42		/**
43		* @param ARecord[] $initialRecords
44		*/
45	2	public function setInitialRecords(array $initialRecords): void
46		{
47	2	$this->initialRecords = array_filter($initialRecords, [$this, 'filterInitial']);
48		}
49
50		/**
51		* @param mixed $record
52		* @return bool
53		*/
54	2	public function filterInitial($record): bool
55		{
56	2	$class = get_class($this->basicRecord);
57	2	return is_object($record) && ($record instanceof $class);
58		}
59
60		/**
61		* @param string $table
62		* @return string
63		* The table here represents a unknown entity, in which it's saved - can even be no storage and the whole can be
64		* initialized on-the-fly. So return no table. Also good for files where the storage points to the whole file path.
65		* In fact in some SQL engines it's also real file on volume.
66		*/
67	18	protected function correctTable(string $table): string
68		{
69	18	return '';
70		}
71
72		/**
73		* @param string $table
74		* @param string $column
75		* @throws MapperException
76		* @return string
77		*/
78	18	protected function correctColumn(string $table, string $column)
79		{
80	18	$relations = $this->basicRecord->getMapper()->getRelations();
81	18	if (!isset($relations[$column])) {
82	1	throw new MapperException(sprintf('Unknown relation key %s in mapper for table %s', $column, $this->basicRecord->getMapper()->getAlias()));
83		}
84	17	return $column;
85		}
86
87	1	public function child(string $childAlias, string $joinType = IQueryBuilder::JOIN_LEFT, string $parentAlias = '', string $customAlias = ''): parent
88		{
89	1	throw new MapperException('Cannot make relations over already loaded records!');
90		}
91
92	1	public function childNotExist(string $childAlias, string $table, string $column, string $parentAlias = ''): parent
93		{
94	1	throw new MapperException('Cannot make relations over already loaded records!');
95		}
96
97	18	public function getCount(): int
98		{
99	18	return count($this->getResults(false));
100		}
101
102		/**
103		* @param bool $limited
104		* @throws MapperException
105		* @return ARecord[]
106		*/
107	18	public function getResults(bool $limited = true): array
108		{
109	18	$results = $this->sortResults( // sorting
110	18	$this->filterResults( // filters after grouping
111	18	$this->groupResults( // grouping
112	18	$this->filterResults( // basic filters
113	18	$this->getInitialRecords(), // all records
114	18	$this->queryBuilder->getConditions()
115	18	),
116	18	$this->queryBuilder->getGrouping()
117	18	),
118	18	$this->queryBuilder->getHavingCondition()
119	18	),
120	18	$this->queryBuilder->getOrdering()
121	18	);
122
123		// paging
124	18	return $limited
125	4	? array_slice($results, intval($this->queryBuilder->getOffset()), $this->queryBuilder->getLimit())
126	18	: $results ;
127		}
128
129		/**
130		* @return ARecord[]
131		*/
132	1	protected function getInitialRecords(): array
133		{
134	1	return $this->initialRecords;
135		}
136
137		/**
138		* @param ARecord[] $records
139		* @param Storage\Shared\QueryBuilder\Condition[] $conditions
140		* @return ARecord[]
141		* @todo: add compare option for OR (at least one condition OK)
142		*/
143	18	protected function filterResults(array $records, array $conditions): array
144		{
145	18	foreach ($conditions as $condition) {
146	15	$this->condition = $condition;
147	15	$records = array_filter($records, [$this, 'filterCondition']);
148		}
149	18	$this->condition = null;
150	18	return $records;
151		}
152
153		/**
154		* @param ARecord[] $records
155		* @param Storage\Shared\QueryBuilder\Group[] $grouping
156		* @throws MapperException
157		* @return ARecord[]
158		* Each one in group must have the same value; one difference = another group
159		*/
160	18	protected function groupResults(array $records, array $grouping): array
161		{
162		// no groups - no process
163	18	if (empty($grouping)) {
164	17	return $records;
165		}
166		// get indexes of groups
167	1	$indexes = [];
168	1	foreach ($grouping as $group) {
169	1	$indexes[] = $group->getColumnName();
170		}
171	1	$keys = [];
172		// over records...
173	1	foreach ($records as $record) {
174	1	$key = [];
175		// get value of each element wanted for grouping
176	1	foreach ($indexes as $index) {
177	1	$key[] = strval($record->offsetGet($index));
178		}
179		// create key which represents that element from the angle of view of groups
180	1	$expected = implode('__', $key);
181		// and check if already exists - add if not
182	1	if (!isset($keys[$expected])) {
183	1	$keys[$expected] = $record;
184		}
185		}
186		// here stays only the first one
187	1	return $keys;
188		}
189
190		/**
191		* @param ARecord[] $records
192		* @param Storage\Shared\QueryBuilder\Order[] $ordering
193		* @return ARecord[]
194		*/
195	19	protected function sortResults(array $records, array $ordering): array
196		{
197	19	foreach ($ordering as $order) {
198	2	$this->sortingOrder = $order;
199	2	usort($records, [$this, 'sortOrder']);
200		}
201	19	$this->sortingOrder = null;
202	19	return $records;
203		}
204
205		/**
206		* @param ARecord $result
207		* @throws MapperException
208		* @return bool
209		*/
210	17	public function filterCondition(ARecord $result): bool
211		{
212	17	if (empty($this->condition)) {
213	1	throw new MapperException('You must set conditions first!');
214		}
215
216	16	$columnKey = $this->condition->getColumnKey();
217	16	return $this->condition->isRaw()
218	1	? (is_callable($this->condition->getRaw())
219	1	? $this->condition->getRaw()($result)
220	1	: false
221	16	)
222	15	: (is_array($columnKey)
223	2	? $this->filterFromManyValues(
224	2	$this->condition->getOperation(),
225	2	$result->offsetGet($this->condition->getColumnName()),
226	2	$this->queryBuilder->getParams(),
227	2	$columnKey
228	2	)
229	16	: $this->checkCondition(
230	16	$this->condition->getOperation(),
231	16	$result->offsetGet($this->condition->getColumnName()),
232	16	$this->queryBuilder->getParams()[$columnKey] ?? null
233	16	)
234	16	)
235	16	;
236		}
237
238		/**
239		* @param string $operation
240		* @param mixed $value
241		* @param array<string, int\|string\|float\|null> $params
242		* @param string[] $columnKeys
243		* @throws MapperException
244		* @return bool
245		*/
246	2	protected function filterFromManyValues(string $operation, $value, array $params, array $columnKeys): bool
247		{
248	2	$values = [];
249	2	foreach ($columnKeys as $columnKey) {
250	2	$values[$columnKey] = $params[$columnKey];
251		}
252	2	return $this->checkCondition($operation, $value, $values);
253		}
254
255		/**
256		* @param string $operation
257		* @param mixed $value
258		* @param mixed $expected
259		* @throws MapperException
260		* @return bool
261		*/
262	5	protected function checkCondition(string $operation, $value, $expected): bool
263		{
264		switch ($operation) {
265		case IQueryBuilder::OPERATION_NULL:
266	3	return is_null($value);
267		case IQueryBuilder::OPERATION_NNULL:
268	3	return !is_null($value);
269		case IQueryBuilder::OPERATION_EQ:
270	5	return $expected == $value;
271		case IQueryBuilder::OPERATION_NEQ:
272	5	return $expected != $value;
273		case IQueryBuilder::OPERATION_GT:
274	4	return $expected < $value;
275		case IQueryBuilder::OPERATION_GTE:
276	5	return $expected <= $value;
277		case IQueryBuilder::OPERATION_LT:
278	4	return $expected > $value;
279		case IQueryBuilder::OPERATION_LTE:
280	5	return $expected >= $value;
281		case IQueryBuilder::OPERATION_LIKE:
282	5	return false !== mb_strpos($value, $expected);
283		case IQueryBuilder::OPERATION_NLIKE:
284	4	return false === mb_strpos($value, $expected);
285		case IQueryBuilder::OPERATION_REXP:
286	1	return 1 === preg_match($expected, $value);
287		case IQueryBuilder::OPERATION_IN:
288	3	return in_array($value, (array) $expected);
289		case IQueryBuilder::OPERATION_NIN:
290	3	return !in_array($value, (array) $expected);
291		default:
292	3	throw new MapperException(sprintf('Unknown operation %s for comparation.', $operation));
293		}
294		}
295
296		/**
297		* @param ARecord $resultA
298		* @param ARecord $resultB
299		* @throws MapperException
300		* @return int
301		*/
302	3	public function sortOrder(ARecord $resultA, ARecord $resultB): int
303		{
304	3	if (empty($this->sortingOrder)) {
305	1	throw new MapperException('You must set how it will be sorted!');
306		}
307	2	$sortingDirection = empty($this->sortingOrder->getDirection()) ? IQueryBuilder::ORDER_ASC : $this->sortingOrder->getDirection();
308	2	$a = $resultA->offsetGet($this->sortingOrder->getColumnName());
309	2	$b = $resultB->offsetGet($this->sortingOrder->getColumnName());
310
311	2	return (IQueryBuilder::ORDER_ASC == $sortingDirection) ? $a <=> $b : $b <=> $a ;
312		}
313		}
314

alex-kalanis / kw_mapper

Records::getCount() A last analyzed 2025-05-11 16:44 UTC

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Records::getCount() A
last analyzed 2025-05-11 16:44 UTC