ColumnSchema::phpTypecastComposite() - Code Metrics - Inspection of "Support Composite types" - yiisoft/db-pgsql - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#303)

unknown

created 2023-07-29 10:03 UTC

ColumnSchema::phpTypecastComposite() A

↳ Parent: ColumnSchema

Complexity

Conditions	5
Paths	8

Size

Total Lines	31
Code Lines	13

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	14
CRAP Score	5

Importance

Changes

Metric	Value
cc	5
eloc	13
nc	8
nop	1
dl	0
loc	31
ccs	14
cts	14
cp	1
crap	5
rs	9.5222
c	0
b	0
f	0

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Pgsql;

use JsonException;
use PDO;
use Yiisoft\Db\Command\Param;
use Yiisoft\Db\Expression\ArrayExpression;
use Yiisoft\Db\Expression\ExpressionInterface;
use Yiisoft\Db\Expression\JsonExpression;
use Yiisoft\Db\Pgsql\Composite\CompositeExpression;
use Yiisoft\Db\Pgsql\Composite\CompositeParser;
use Yiisoft\Db\Schema\AbstractColumnSchema;
use Yiisoft\Db\Schema\ColumnSchemaInterface;
use Yiisoft\Db\Schema\SchemaInterface;

use function array_walk_recursive;
use function bindec;
use function decbin;
use function is_array;
use function is_int;
use function is_string;
use function json_decode;
use function str_pad;

/**
 * Represents the metadata of a column in a database table for PostgreSQL Server.
 *
 * It provides information about the column's name, type, size, precision, and other details.
 *
 * It's used to store and retrieve metadata about a column in a database table and is typically used in conjunction with
 * the {@see TableSchema}, which represents the metadata of a database table as a whole.
 *
 * The following code shows how to use:
 *
 * ```php
 * use Yiisoft\Db\Pgsql\ColumnSchema;
 *
 * $column = new ColumnSchema();
 * $column->name('id');
 * $column->allowNull(false);
 * $column->dbType('integer');
 * $column->phpType('integer');
 * $column->type('integer');
 * $column->defaultValue(0);
 * $column->autoIncrement(true);
 * $column->primaryKey(true);
 * ```
 */
final class ColumnSchema extends AbstractColumnSchema
{
    /**
     * @var int The dimension of array. Defaults to 0, means this column isn't an array.
     */
    private int $dimension = 0;

    /**
     * @var string|null Name of an associated sequence if column is auto incremental.
     */
    private string|null $sequenceName = null;

    /**
     * @var ColumnSchemaInterface[]|null Columns metadata of the composite type.
     * @psalm-var array<string, ColumnSchemaInterface>|null
     */
    private array|null $columns = null;

    /**
     * Converts the input value according to {@see type} and {@see dbType} for use in a db query.
     *
     * If the value is null or an {@see Expression}, it won't be converted.
     *
     * @param mixed $value input value
     *
     * @return mixed Converted value. This may also be an array containing the value as the first element and the PDO
     * type as the second element.
     */
    public function dbTypecast(mixed $value): mixed
    {
        if ($this->dimension > 0) {
            if ($value === null || $value instanceof ExpressionInterface) {
                return $value;
            }

            if ($this->getType() === Schema::TYPE_COMPOSITE) {
                $value = $this->dbTypecastArray($value, $this->dimension);
            }

            return new ArrayExpression($value, $this->getDbType(), $this->dimension);
        }

        return $this->dbTypecastValue($value);
    }

    /**
     * @param int $dimension Should be more than 0
     */
    private function dbTypecastArray(mixed $value, int $dimension): array
    {
        $items = [];

        if (!is_iterable($value)) {
            return $items;
        }

        /** @psalm-var mixed $val */
        foreach ($value as $val) {
            if ($dimension > 1) {
                $items[] = $this->dbTypecastArray($val, $dimension - 1);
            } else {
                /** @psalm-suppress MixedAssignment */
                $items[] = $this->dbTypecastValue($val);
            }
        }

        return $items;
    }

    private function dbTypecastValue(mixed $value): mixed
    {
        if ($value === null || $value instanceof ExpressionInterface) {
            return $value;
        }

        return match ($this->getType()) {
            SchemaInterface::TYPE_JSON => new JsonExpression($value, $this->getDbType()),

            SchemaInterface::TYPE_BINARY => is_string($value)
                ? new Param($value, PDO::PARAM_LOB) // explicitly setup PDO param type for binary column
                : $this->typecast($value),

            Schema::TYPE_BIT => is_int($value)
                ? str_pad(decbin($value), (int) $this->getSize(), '0', STR_PAD_LEFT)
                : $this->typecast($value),

            Schema::TYPE_COMPOSITE => new CompositeExpression($value, $this->getDbType(), $this->columns),

            default => $this->typecast($value),
        };
    }

    /**
     * Converts the input value according to {@see phpType} after retrieval from the database.
     *
     * If the value is null or an {@see Expression}, it won't be converted.
     *
     * @param mixed $value The input value
     *
     * @throws JsonException
     *
     * @return mixed The converted value
     */
    public function phpTypecast(mixed $value): mixed
    {
        if ($this->dimension > 0) {
            if (is_string($value)) {
                $value = $this->getArrayParser()->parse($value);
            }

            if (is_array($value)) {
                array_walk_recursive($value, function (string|null &$val) {
                    /** @psalm-var mixed $val */
                    $val = $this->phpTypecastValue($val);
                });
            } else {
                return null;
            }

            return $value;
        }

        return $this->phpTypecastValue($value);
    }

    /**
     * Casts $value after retrieving from the DBMS to PHP representation.
     *
     * @throws JsonException
     */
    protected function phpTypecastValue(mixed $value): mixed
    {
        if ($value === null) {
            return null;
        }

        return match ($this->getType()) {
            Schema::TYPE_BIT => is_string($value) ? bindec($value) : $value,

            SchemaInterface::TYPE_BOOLEAN => $value && $value !== 'f',

            SchemaInterface::TYPE_JSON
                => json_decode((string) $value, true, 512, JSON_THROW_ON_ERROR),

            Schema::TYPE_COMPOSITE => $this->phpTypecastComposite($value),

            default => parent::phpTypecast($value),
        };
    }

    private function phpTypecastComposite(mixed $value): array|null
    {
        if (is_string($value)) {
            $value = $this->getCompositeParser()->parse($value);
        }

        if (!is_iterable($value)) {
            return null;
        }

        $fields = [];
        $columns = (array) $this->columns;
        $columnNames = array_keys($columns);

        /**
         * @psalm-var int|string $columnName
         * @psalm-var mixed $item
         */
        foreach ($value as $columnName => $item) {
            $columnName = $columnNames[$columnName] ?? $columnName;

            if (isset($columns[$columnName])) {
                /** @psalm-var mixed $item */
                $item = $columns[$columnName]->phpTypecast($item);
            }

            /** @psalm-suppress MixedAssignment */
            $fields[$columnName] = $item;
        }

        return $fields;
    }

    /**
     * Creates instance of ArrayParser.
     */
    protected function getArrayParser(): ArrayParser
    {
        return new ArrayParser();
    }

    /**
     * @return int Get the dimension of the array.
     *
     * Defaults to 0, means this column isn't an array.
     */
    public function getDimension(): int
    {
        return $this->dimension;
    }

    /**
     * @return string|null name of an associated sequence if column is auto incremental.
     */
    public function getSequenceName(): string|null
    {
        return $this->sequenceName;
    }

    /**
     * Set dimension of an array.
     *
     * Defaults to 0, means this column isn't an array.
     */
    public function dimension(int $dimension): void
    {
        $this->dimension = $dimension;
    }

    /**
     * Set the name of an associated sequence if a column is auto incremental.
     */
    public function sequenceName(string|null $sequenceName): void
    {
        $this->sequenceName = $sequenceName;
    }

    /**
     * @param ColumnSchemaInterface[]|null $columns The columns metadata of the composite type.
     * @psalm-param array<string, ColumnSchemaInterface>|null $columns
     */
    public function columns(array|null $columns): void
    {
        $this->columns = $columns;
    }

    /**
     * @return ColumnSchemaInterface[]|null Columns metadata of the composite type.
     */
    public function getColumns(): array|null
    {
        return $this->columns;
    }

    /**
     * Creates instance of CompositeParser.
     */
    private function getCompositeParser(): CompositeParser
    {
        return new CompositeParser();
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Db\Pgsql;
6
7		use JsonException;
8		use PDO;
9		use Yiisoft\Db\Command\Param;
10		use Yiisoft\Db\Expression\ArrayExpression;
11		use Yiisoft\Db\Expression\ExpressionInterface;
12		use Yiisoft\Db\Expression\JsonExpression;
13		use Yiisoft\Db\Pgsql\Composite\CompositeExpression;
14		use Yiisoft\Db\Pgsql\Composite\CompositeParser;
15		use Yiisoft\Db\Schema\AbstractColumnSchema;
16		use Yiisoft\Db\Schema\ColumnSchemaInterface;
17		use Yiisoft\Db\Schema\SchemaInterface;
18
19		use function array_walk_recursive;
20		use function bindec;
21		use function decbin;
22		use function is_array;
23		use function is_int;
24		use function is_string;
25		use function json_decode;
26		use function str_pad;
27
28		/**
29		* Represents the metadata of a column in a database table for PostgreSQL Server.
30		*
31		* It provides information about the column's name, type, size, precision, and other details.
32		*
33		* It's used to store and retrieve metadata about a column in a database table and is typically used in conjunction with
34		* the {@see TableSchema}, which represents the metadata of a database table as a whole.
35		*
36		* The following code shows how to use:
37		*
38		* ```php
39		* use Yiisoft\Db\Pgsql\ColumnSchema;
40		*
41		* $column = new ColumnSchema();
42		* $column->name('id');
43		* $column->allowNull(false);
44		* $column->dbType('integer');
45		* $column->phpType('integer');
46		* $column->type('integer');
47		* $column->defaultValue(0);
48		* $column->autoIncrement(true);
49		* $column->primaryKey(true);
50		* ```
51		*/
52		final class ColumnSchema extends AbstractColumnSchema
53		{
54		/**
55		* @var int The dimension of array. Defaults to 0, means this column isn't an array.
56		*/
57		private int $dimension = 0;
58
59		/**
60		* @var string\|null Name of an associated sequence if column is auto incremental.
61		*/
62		private string\|null $sequenceName = null;
63
64		/**
65		* @var ColumnSchemaInterface[]\|null Columns metadata of the composite type.
66		* @psalm-var array<string, ColumnSchemaInterface>\|null
67		*/
68		private array\|null $columns = null;
69
70		/**
71		* Converts the input value according to {@see type} and {@see dbType} for use in a db query.
72		*
73		* If the value is null or an {@see Expression}, it won't be converted.
74		*
75		* @param mixed $value input value
76		*
77		* @return mixed Converted value. This may also be an array containing the value as the first element and the PDO
78		* type as the second element.
79		*/
80	90	public function dbTypecast(mixed $value): mixed
81		{
82	90	if ($this->dimension > 0) {
83	4	if ($value === null \|\| $value instanceof ExpressionInterface) {
84	2	return $value;
85		}
86
87	3	if ($this->getType() === Schema::TYPE_COMPOSITE) {
88	1	$value = $this->dbTypecastArray($value, $this->dimension);
89		}
90
91	3	return new ArrayExpression($value, $this->getDbType(), $this->dimension);
92		}
93
94	89	return $this->dbTypecastValue($value);
95		}
96
97		/**
98		* @param int $dimension Should be more than 0
99		*/
100	1	private function dbTypecastArray(mixed $value, int $dimension): array
101		{
102	1	$items = [];
103
104	1	if (!is_iterable($value)) {
105	1	return $items;
106		}
107
108		/** @psalm-var mixed $val */
109	1	foreach ($value as $val) {
110	1	if ($dimension > 1) {
111	1	$items[] = $this->dbTypecastArray($val, $dimension - 1);
112		} else {
113		/** @psalm-suppress MixedAssignment */
114	1	$items[] = $this->dbTypecastValue($val);
115		}
116		}
117
118	1	return $items;
119		}
120
121	89	private function dbTypecastValue(mixed $value): mixed
122		{
123	89	if ($value === null \|\| $value instanceof ExpressionInterface) {
124	30	return $value;
125		}
126
127	84	return match ($this->getType()) {
128	84	SchemaInterface::TYPE_JSON => new JsonExpression($value, $this->getDbType()),
129
130	84	SchemaInterface::TYPE_BINARY => is_string($value)
131	3	? new Param($value, PDO::PARAM_LOB) // explicitly setup PDO param type for binary column
132	3	: $this->typecast($value),
133
134	84	Schema::TYPE_BIT => is_int($value)
135	1	? str_pad(decbin($value), (int) $this->getSize(), '0', STR_PAD_LEFT)
136	1	: $this->typecast($value),
137
138	84	Schema::TYPE_COMPOSITE => new CompositeExpression($value, $this->getDbType(), $this->columns),
139
140	84	default => $this->typecast($value),
141	84	};
142		}
143
144		/**
145		* Converts the input value according to {@see phpType} after retrieval from the database.
146		*
147		* If the value is null or an {@see Expression}, it won't be converted.
148		*
149		* @param mixed $value The input value
150		*
151		* @throws JsonException
152		*
153		* @return mixed The converted value
154		*/
155	97	public function phpTypecast(mixed $value): mixed
156		{
157	97	if ($this->dimension > 0) {
158	12	if (is_string($value)) {
159	12	$value = $this->getArrayParser()->parse($value);
160		}
161
162	12	if (is_array($value)) {
163	12	array_walk_recursive($value, function (string\|null &$val) {
164		/** @psalm-var mixed $val */
165	12	$val = $this->phpTypecastValue($val);
166	12	});
167		} else {
168	1	return null;
169		}
170
171	12	return $value;
172		}
173
174	91	return $this->phpTypecastValue($value);
175		}
176
177		/**
178		* Casts $value after retrieving from the DBMS to PHP representation.
179		*
180		* @throws JsonException
181		*/
182	97	protected function phpTypecastValue(mixed $value): mixed
183		{
184	97	if ($value === null) {
185	11	return null;
186		}
187
188	97	return match ($this->getType()) {
189	97	Schema::TYPE_BIT => is_string($value) ? bindec($value) : $value,
190
191	97	SchemaInterface::TYPE_BOOLEAN => $value && $value !== 'f',
192
193	97	SchemaInterface::TYPE_JSON
194	97	=> json_decode((string) $value, true, 512, JSON_THROW_ON_ERROR),
195
196	97	Schema::TYPE_COMPOSITE => $this->phpTypecastComposite($value),
197
198	97	default => parent::phpTypecast($value),
199	97	};
200		}
201
202	5	private function phpTypecastComposite(mixed $value): array\|null
203		{
204	5	if (is_string($value)) {
205	5	$value = $this->getCompositeParser()->parse($value);
206		}
207
208	5	if (!is_iterable($value)) {
209	1	return null;
210		}
211
212	5	$fields = [];
213	5	$columns = (array) $this->columns;
214	5	$columnNames = array_keys($columns);
215
216		/**
217		* @psalm-var int\|string $columnName
218		* @psalm-var mixed $item
219		*/
220	5	foreach ($value as $columnName => $item) {
221	5	$columnName = $columnNames[$columnName] ?? $columnName;
222
223	5	if (isset($columns[$columnName])) {
224		/** @psalm-var mixed $item */
225	5	$item = $columns[$columnName]->phpTypecast($item);
226		}
227
228		/** @psalm-suppress MixedAssignment */
229	5	$fields[$columnName] = $item;
230		}
231
232	5	return $fields;
233		}
234
235		/**
236		* Creates instance of ArrayParser.
237		*/
238	12	protected function getArrayParser(): ArrayParser
239		{
240	12	return new ArrayParser();
241		}
242
243		/**
244		* @return int Get the dimension of the array.
245		*
246		* Defaults to 0, means this column isn't an array.
247		*/
248	6	public function getDimension(): int
249		{
250	6	return $this->dimension;
251		}
252
253		/**
254		* @return string\|null name of an associated sequence if column is auto incremental.
255		*/
256	99	public function getSequenceName(): string\|null
257		{
258	99	return $this->sequenceName;
259		}
260
261		/**
262		* Set dimension of an array.
263		*
264		* Defaults to 0, means this column isn't an array.
265		*/
266	160	public function dimension(int $dimension): void
267		{
268	160	$this->dimension = $dimension;
269		}
270
271		/**
272		* Set the name of an associated sequence if a column is auto incremental.
273		*/
274	84	public function sequenceName(string\|null $sequenceName): void
275		{
276	84	$this->sequenceName = $sequenceName;
277		}
278
279		/**
280		* @param ColumnSchemaInterface[]\|null $columns The columns metadata of the composite type.
281		* @psalm-param array<string, ColumnSchemaInterface>\|null $columns
282		*/
283	5	public function columns(array\|null $columns): void
284		{
285	5	$this->columns = $columns;
286		}
287
288		/**
289		* @return ColumnSchemaInterface[]\|null Columns metadata of the composite type.
290		*/
291	5	public function getColumns(): array\|null
292		{
293	5	return $this->columns;
294		}
295
296		/**
297		* Creates instance of CompositeParser.
298		*/
299	5	private function getCompositeParser(): CompositeParser
300		{
301	5	return new CompositeParser();
302		}
303		}
304

yiisoft / db-pgsql

Pull Request — master (#303)

ColumnSchema::phpTypecastComposite() A

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