Repository::__construct() - Code Metrics - Inspection of "Merge pull request #4 from TimoZachi/scrutinizer-s..." - TimoZachi/phalcon-repository - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( f705a4...09105f )

by Timóteo

created 2019-04-20 22:58 UTC

Repository::__construct() A

↳ Parent: Repository

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
eloc	2
dl	0
loc	4
ccs	3
cts	3
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	2
crap	1

<?php

declare(strict_types=1);

namespace TZachi\PhalconRepository;

use InvalidArgumentException;
use Phalcon\Mvc\Model;
use Phalcon\Mvc\Model\Criteria;
use Phalcon\Mvc\Model\Resultset\Simple as SimpleResultset;
use function array_keys;
use function count;
use function implode;
use function in_array;
use function is_array;
use function is_int;
use function range;
use function sprintf;
use function strtoupper;

class Repository
{
    public const TYPE_AND = 'AND';
    public const TYPE_OR  = 'OR';

    protected const OPERATORS = ['=', '<>', '<=', '>=', '<', '>', 'BETWEEN'];

    protected const CONDITION_TYPES = [self::TYPE_AND, self::TYPE_OR];

    /**
     * @var ModelWrapper
     */
    protected $modelWrapper;

    /**
     * @var string
     */
    protected $idField;

    public function __construct(ModelWrapper $modelWrapper, string $idField = 'id')
    {
        $this->modelWrapper = $modelWrapper;
        $this->idField      = $idField;
    }

    /**
     * Returns the first record matching the specified conditions
     *
     * @param mixed[]  $where   Where condition
     * @param string[] $orderBy One or more order by statements
     */
    public function findFirstWhere(array $where, array $orderBy = []): ?Model
    {
        $parameters = $this->whereToParameters($where) + $this->orderByToParameters($orderBy);

        $model = $this->modelWrapper->findFirst($parameters);
        if ($model === false) {
            return null;
        }

        return $model;
    }

    /**
     * Returns the first record that matches a single condition
     *
     * @param mixed    $value
     * @param string[] $orderBy One or more order by statements
     */
    public function findFirstBy(string $field, $value, array $orderBy = []): ?Model
    {
        return $this->findFirstWhere([$field => $value], $orderBy);
    }

    /**
     * Returns the first record that matches a primary key
     *
     * @param mixed $id
     */
    public function findFirst($id): ?Model
    {
        return $this->findFirstBy($this->idField, $id);
    }

    /**
     * Finds all records matching the specified conditions
     *
     * @param mixed[]  $where
     * @param string[] $orderBy
     */
    public function findWhere(array $where, array $orderBy = [], int $limit = 0, int $offset = 0): SimpleResultset
    {
        $parameters = $this->whereToParameters($where) + $this->orderByToParameters($orderBy);
        if ($limit > 0) {
            $parameters['offset'] = $offset;
            $parameters['limit']  = $limit;
        }

        return $this->modelWrapper->find($parameters);
    }

    /**
     * Finds all records in a table
     *
     * @param string[] $orderBy
     */
    public function findAll(array $orderBy = [], int $limit = 0, int $offset = 0): SimpleResultset
    {
        return $this->findWhere([], $orderBy, $limit, $offset);
    }

    /**
     * Finds all records that match a single condition
     *
     * @param mixed    $value
     * @param string[] $orderBy
     */
    public function findBy(
        string $field,
        $value,
        array $orderBy = [],
        int $limit = 0,
        int $offset = 0
    ): SimpleResultset {
        return $this->findWhere([$field => $value], $orderBy, $limit, $offset);
    }

    /**
     * Returns a query builder (Criteria) to create custom queries
     */
    public function query(): Criteria
    {
        return $this->modelWrapper->query();
    }

    /**
     * Returns the number of rows that match a certain condition
     *
     * @param mixed[] $where
     */
    public function count(?string $column = null, array $where = []): int
    {
        $parameters = $this->whereToParameters($where);
        if ($column !== null) {
            $parameters['column'] = $column;
        }

        return $this->modelWrapper->count($parameters);
    }

    /**
     * Returns the sum on a column of rows or null if the conditions don't match any rows
     *
     * @param mixed[] $where
     */
    public function sum(string $column, array $where = []): ?float
    {
        $parameters = ['column' => $column] + $this->whereToParameters($where);

        $sum = $this->modelWrapper->sum($parameters);
        if ($sum === null) {
            return null;
        }

        return (float) $sum;
    }

    /**
     * Returns the average on a column of rows or null if the conditions don't match any rows
     *
     * @param mixed[] $where
     */
    public function average(string $column, array $where = []): ?float
    {
        $parameters = ['column' => $column] + $this->whereToParameters($where);

        $average = $this->modelWrapper->average($parameters);
        if ($average === null) {
            return null;
        }

        return (float) $average;
    }

    /**
     * Returns the minimum on a column of rows or null if the conditions don't match any rows
     *
     * @param mixed[] $where
     */
    public function minimum(string $column, array $where = []): ?string
    {
        $parameters = ['column' => $column] + $this->whereToParameters($where);

        return $this->modelWrapper->minimum($parameters);
    }

    /**
     * Returns the maximum on a column of rows or null if the conditions don't match any rows
     *
     * @param mixed[] $where
     */
    public function maximum(string $column, array $where = []): ?string
    {
        $parameters = ['column' => $column] + $this->whereToParameters($where);

        return $this->modelWrapper->maximum($parameters);
    }

    /**
     * @param mixed[] $where
     *
     * @return mixed[]
     *
     * @throws InvalidArgumentException When where contains invalid values.
     */
    public function whereToParameters(array $where, int &$paramsIdx = 0): array
    {
        if ($where === []) {
            return [];
        }

        $config     = $this->extractConfigFromWhere($where);
        $conditions = [];
        $bindings   = [];

        foreach ($where as $field => $value) {
            if ($value === null) {
                $conditions[] = '[' . $field . '] IS NULL';
                continue;
            }

            if (is_array($value)) {
                $conditions[] = sprintf(
                    $this->createConditionsFromArray($config['operator'], $value, $bindings, $paramsIdx),
                    $field
                );

                continue;
            }

            $conditions[]         = sprintf('[%s] %s ?%d', $field, $config['operator'], $paramsIdx);
            $bindings[$paramsIdx] = $value;
            $paramsIdx++;
        }

        return [
            'conditions' => implode(' ' . $config['type'] . ' ', $conditions),
            'bind' => $bindings,
        ];
    }

    /**
     * @param mixed[] $where
     *
     * @return string[]
     */
    protected function extractConfigFromWhere(array &$where): array
    {
        $config = [
            'type' => $where['@type'] ?? self::TYPE_AND,
            'operator' => $where['@operator'] ?? '=',
        ];

        if (!in_array($config['operator'], self::OPERATORS, true)) {
            throw new InvalidArgumentException('Operator ' . $config['operator'] . ' is not a valid operator');
        }

        foreach (array_keys($config) as $key) {
            unset($where['@' . $key]);
        }

        return $config;
    }

    /**
     * @param mixed[] $value
     * @param mixed[] $bindings
     */
    protected function createConditionsFromArray(
        string $operator,
        array $value,
        array &$bindings,
        int &$paramsIdx
    ): string {
        if ($value === []) {
            throw new InvalidArgumentException('Empty array value is not allowed in where conditions');
        }

        // Check if $value is not an indexed array
        if (array_keys($value) !== range(0, count($value) - 1)) {
            $parameters = $this->whereToParameters($value, $paramsIdx);
            $bindings  += $parameters['bind'];

            return '(' . $parameters['conditions'] . ')';
        }

        if ($operator === 'BETWEEN') {
            return '[%s] BETWEEN ' . $this->createBetweenRange($value, $bindings, $paramsIdx);
        }

        return '[%s] IN (' . $this->createValueList($value, $bindings, $paramsIdx) . ')';
    }

    /**
     * @param mixed[]  $values
     * @param string[] $bindings
     */
    protected function createBetweenRange(array $values, array &$bindings, int &$paramsIdx): string
    {
        if (count($values) !== 2) {
            throw new InvalidArgumentException(
                'Value for between operator must be an array with exactly two values'
            );
        }

        $range                    = sprintf('?%d AND ?%d', $paramsIdx, $paramsIdx + 1);
        $bindings[$paramsIdx]     = $values[0];
        $bindings[$paramsIdx + 1] = $values[1];

        $paramsIdx += 2;

        return $range;
    }

    /**
     * @param mixed[]  $values
     * @param string[] $bindings
     */
    protected function createValueList(array $values, array &$bindings, int &$paramsIdx): string
    {
        $list = '';
        foreach ($values as $i => $value) {
            $list                .= sprintf('%s?%d', $i === 0 ? '' : ', ', $paramsIdx);
            $bindings[$paramsIdx] = $value;

            $paramsIdx++;
        }

        return $list;
    }

    /**
     * @param string[] $orderBy
     *
     * @return string[]
     */
    public function orderByToParameters(array $orderBy): array
    {
        if ($orderBy === []) {
            return [];
        }

        $orderByStatements = [];
        foreach ($orderBy as $sortField => $origSortOrder) {
            $sortOrder = 'ASC';
            if (strtoupper($origSortOrder) === 'DESC') {
                $sortOrder = 'DESC';
            }

            if (is_int($sortField)) {
                $sortField = $origSortOrder;
            }

            $orderByStatements[] = '[' . $sortField . '] ' . $sortOrder;
        }

        return ['order' => implode(', ', $orderByStatements)];
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace TZachi\PhalconRepository;
6
7		use InvalidArgumentException;
8		use Phalcon\Mvc\Model;
9		use Phalcon\Mvc\Model\Criteria;
10		use Phalcon\Mvc\Model\Resultset\Simple as SimpleResultset;
11		use function array_keys;
12		use function count;
13		use function implode;
14		use function in_array;
15		use function is_array;
16		use function is_int;
17		use function range;
18		use function sprintf;
19		use function strtoupper;
20
21		class Repository
22		{
23		public const TYPE_AND = 'AND';
24		public const TYPE_OR = 'OR';
25
26		protected const OPERATORS = ['=', '<>', '<=', '>=', '<', '>', 'BETWEEN'];
27
28		protected const CONDITION_TYPES = [self::TYPE_AND, self::TYPE_OR];
29
30		/**
31		* @var ModelWrapper
32		*/
33		protected $modelWrapper;
34
35		/**
36		* @var string
37		*/
38		protected $idField;
39
40	33	public function __construct(ModelWrapper $modelWrapper, string $idField = 'id')
41		{
42	33	$this->modelWrapper = $modelWrapper;
43	33	$this->idField = $idField;
44	33	}
45
46		/**
47		* Returns the first record matching the specified conditions
48		*
49		* @param mixed[] $where Where condition
50		* @param string[] $orderBy One or more order by statements
51		*/
52	6	public function findFirstWhere(array $where, array $orderBy = []): ?Model
53		{
54	6	$parameters = $this->whereToParameters($where) + $this->orderByToParameters($orderBy);
55
56	6	$model = $this->modelWrapper->findFirst($parameters);
57	6	if ($model === false) {
58	2	return null;
59		}
60
61	4	return $model;
62		}
63
64		/**
65		* Returns the first record that matches a single condition
66		*
67		* @param mixed $value
68		* @param string[] $orderBy One or more order by statements
69		*/
70	5	public function findFirstBy(string $field, $value, array $orderBy = []): ?Model
71		{
72	5	return $this->findFirstWhere([$field => $value], $orderBy);
73		}
74
75		/**
76		* Returns the first record that matches a primary key
77		*
78		* @param mixed $id
79		*/
80	3	public function findFirst($id): ?Model
81		{
82	3	return $this->findFirstBy($this->idField, $id);
83		}
84
85		/**
86		* Finds all records matching the specified conditions
87		*
88		* @param mixed[] $where
89		* @param string[] $orderBy
90		*/
91	6	public function findWhere(array $where, array $orderBy = [], int $limit = 0, int $offset = 0): SimpleResultset
92		{
93	6	$parameters = $this->whereToParameters($where) + $this->orderByToParameters($orderBy);
94	6	if ($limit > 0) {
95	3	$parameters['offset'] = $offset;
96	3	$parameters['limit'] = $limit;
97		}
98
99	6	return $this->modelWrapper->find($parameters);
100		}
101
102		/**
103		* Finds all records in a table
104		*
105		* @param string[] $orderBy
106		*/
107	1	public function findAll(array $orderBy = [], int $limit = 0, int $offset = 0): SimpleResultset
108		{
109	1	return $this->findWhere([], $orderBy, $limit, $offset);
110		}
111
112		/**
113		* Finds all records that match a single condition
114		*
115		* @param mixed $value
116		* @param string[] $orderBy
117		*/
118	5	public function findBy(
119		string $field,
120		$value,
121		array $orderBy = [],
122		int $limit = 0,
123		int $offset = 0
124		): SimpleResultset {
125	5	return $this->findWhere([$field => $value], $orderBy, $limit, $offset);
126		}
127
128		/**
129		* Returns a query builder (Criteria) to create custom queries
130		*/
131	1	public function query(): Criteria
132		{
133	1	return $this->modelWrapper->query();
134		}
135
136		/**
137		* Returns the number of rows that match a certain condition
138		*
139		* @param mixed[] $where
140		*/
141	2	public function count(?string $column = null, array $where = []): int
142		{
143	2	$parameters = $this->whereToParameters($where);
144	2	if ($column !== null) {
145	1	$parameters['column'] = $column;
146		}
147
148	2	return $this->modelWrapper->count($parameters);
149		}
150
151		/**
152		* Returns the sum on a column of rows or null if the conditions don't match any rows
153		*
154		* @param mixed[] $where
155		*/
156	1	public function sum(string $column, array $where = []): ?float
157		{
158	1	$parameters = ['column' => $column] + $this->whereToParameters($where);
159
160	1	$sum = $this->modelWrapper->sum($parameters);
161	1	if ($sum === null) {
162	1	return null;
163		}
164
165	1	return (float) $sum;
166		}
167
168		/**
169		* Returns the average on a column of rows or null if the conditions don't match any rows
170		*
171		* @param mixed[] $where
172		*/
173	1	public function average(string $column, array $where = []): ?float
174		{
175	1	$parameters = ['column' => $column] + $this->whereToParameters($where);
176
177	1	$average = $this->modelWrapper->average($parameters);
178	1	if ($average === null) {
179	1	return null;
180		}
181
182	1	return (float) $average;
183		}
184
185		/**
186		* Returns the minimum on a column of rows or null if the conditions don't match any rows
187		*
188		* @param mixed[] $where
189		*/
190	1	public function minimum(string $column, array $where = []): ?string
191		{
192	1	$parameters = ['column' => $column] + $this->whereToParameters($where);
193
194	1	return $this->modelWrapper->minimum($parameters);
195		}
196
197		/**
198		* Returns the maximum on a column of rows or null if the conditions don't match any rows
199		*
200		* @param mixed[] $where
201		*/
202	1	public function maximum(string $column, array $where = []): ?string
203		{
204	1	$parameters = ['column' => $column] + $this->whereToParameters($where);
205
206	1	return $this->modelWrapper->maximum($parameters);
207		}
208
209		/**
210		* @param mixed[] $where
211		*
212		* @return mixed[]
213		*
214		* @throws InvalidArgumentException When where contains invalid values.
215		*/
216	25	public function whereToParameters(array $where, int &$paramsIdx = 0): array
217		{
218	25	if ($where === []) {
219	7	return [];
220		}
221
222	22	$config = $this->extractConfigFromWhere($where);
223	21	$conditions = [];
224	21	$bindings = [];
225
226	21	foreach ($where as $field => $value) {
227	21	if ($value === null) {
228	2	$conditions[] = '[' . $field . '] IS NULL';
229	2	continue;
230		}
231
232	21	if (is_array($value)) {
233	5	$conditions[] = sprintf(
234	5	$this->createConditionsFromArray($config['operator'], $value, $bindings, $paramsIdx),
235	3	$field
236		);
237
238	3	continue;
239		}
240
241	19	$conditions[] = sprintf('[%s] %s ?%d', $field, $config['operator'], $paramsIdx);
242	19	$bindings[$paramsIdx] = $value;
243	19	$paramsIdx++;
244		}
245
246		return [
247	19	'conditions' => implode(' ' . $config['type'] . ' ', $conditions),
248	19	'bind' => $bindings,
249		];
250		}
251
252		/**
253		* @param mixed[] $where
254		*
255		* @return string[]
256		*/
257	22	protected function extractConfigFromWhere(array &$where): array
258		{
259		$config = [
260	22	'type' => $where['@type'] ?? self::TYPE_AND,
261	22	'operator' => $where['@operator'] ?? '=',
262		];
263
264	22	if (!in_array($config['operator'], self::OPERATORS, true)) {
265	1	throw new InvalidArgumentException('Operator ' . $config['operator'] . ' is not a valid operator');
266		}
267
268	21	foreach (array_keys($config) as $key) {
269	21	unset($where['@' . $key]);
270		}
271
272	21	return $config;
273		}
274
275		/**
276		* @param mixed[] $value
277		* @param mixed[] $bindings
278		*/
279	5	protected function createConditionsFromArray(
280		string $operator,
281		array $value,
282		array &$bindings,
283		int &$paramsIdx
284		): string {
285	5	if ($value === []) {
286	1	throw new InvalidArgumentException('Empty array value is not allowed in where conditions');
287		}
288
289		// Check if $value is not an indexed array
290	4	if (array_keys($value) !== range(0, count($value) - 1)) {
291	2	$parameters = $this->whereToParameters($value, $paramsIdx);
292	2	$bindings += $parameters['bind'];
293
294	2	return '(' . $parameters['conditions'] . ')';
295		}
296
297	4	if ($operator === 'BETWEEN') {
298	3	return '[%s] BETWEEN ' . $this->createBetweenRange($value, $bindings, $paramsIdx);
299		}
300
301	2	return '[%s] IN (' . $this->createValueList($value, $bindings, $paramsIdx) . ')';
302		}
303
304		/**
305		* @param mixed[] $values
306		* @param string[] $bindings
307		*/
308	3	protected function createBetweenRange(array $values, array &$bindings, int &$paramsIdx): string
309		{
310	3	if (count($values) !== 2) {
311	1	throw new InvalidArgumentException(
312	1	'Value for between operator must be an array with exactly two values'
313		);
314		}
315
316	2	$range = sprintf('?%d AND ?%d', $paramsIdx, $paramsIdx + 1);
317	2	$bindings[$paramsIdx] = $values[0];
318	2	$bindings[$paramsIdx + 1] = $values[1];
319
320	2	$paramsIdx += 2;
321
322	2	return $range;
323		}
324
325		/**
326		* @param mixed[] $values
327		* @param string[] $bindings
328		*/
329	2	protected function createValueList(array $values, array &$bindings, int &$paramsIdx): string
330		{
331	2	$list = '';
332	2	foreach ($values as $i => $value) {
333	2	$list .= sprintf('%s?%d', $i === 0 ? '' : ', ', $paramsIdx);
334	2	$bindings[$paramsIdx] = $value;
335
336	2	$paramsIdx++;
337		}
338
339	2	return $list;
340		}
341
342		/**
343		* @param string[] $orderBy
344		*
345		* @return string[]
346		*/
347	16	public function orderByToParameters(array $orderBy): array
348		{
349	16	if ($orderBy === []) {
350	7	return [];
351		}
352
353	9	$orderByStatements = [];
354	9	foreach ($orderBy as $sortField => $origSortOrder) {
355	9	$sortOrder = 'ASC';
356	9	if (strtoupper($origSortOrder) === 'DESC') {
357	4	$sortOrder = 'DESC';
358		}
359
360	9	if (is_int($sortField)) {
361	7	$sortField = $origSortOrder;
362		}
363
364	9	$orderByStatements[] = '[' . $sortField . '] ' . $sortOrder;
365		}
366
367	9	return ['order' => implode(', ', $orderByStatements)];
368		}
369		}
370

TimoZachi / phalcon-repository

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Repository::__construct() A

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