AbstractColumn::getDefaultValue() - Code Metrics - Inspection of "mysql column schema" - spiral/components - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — feature/pre-split (76ded7)

by Anton

created 2016-12-08 13:55 UTC

AbstractColumn::getDefaultValue() D

↳ Parent: AbstractColumn

Complexity

Conditions	9
Paths	13

Size

Total Lines	32
Code Lines	18

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	9
eloc	18
nc	13
nop	0
dl	0
loc	32
rs	4.909
c	0
b	0
f	0

<?php
/**
 * components
 *
 * @author    Wolfy-J
 */
namespace Spiral\Database\Schemas\Prototypes;

use Spiral\Database\Entities\Driver;
use Spiral\Database\Injections\Fragment;
use Spiral\Database\Injections\FragmentInterface;
use Spiral\Database\Schemas\ColumnInterface;

/**
 * Abstract column schema with read (see ColumnInterface) and write abilities. Must be implemented
 * by driver to support DBMS specific syntax and creation rules.
 *
 * Shortcuts for various column types:
 *
 * @method AbstractColumn|$this boolean()
 * @method AbstractColumn|$this integer()
 * @method AbstractColumn|$this tinyInteger()
 * @method AbstractColumn|$this bigInteger()
 * @method AbstractColumn|$this text()
 * @method AbstractColumn|$this tinyText()
 * @method AbstractColumn|$this longText()
 * @method AbstractColumn|$this double()
 * @method AbstractColumn|$this float()
 * @method AbstractColumn|$this datetime()
 * @method AbstractColumn|$this date()
 * @method AbstractColumn|$this time()
 * @method AbstractColumn|$this timestamp()
 * @method AbstractColumn|$this binary()
 * @method AbstractColumn|$this tinyBinary()
 * @method AbstractColumn|$this longBinary()
 * @method AbstractColumn|$this json()
 */
abstract class AbstractColumn extends AbstractElement implements ColumnInterface
{
    /**
     * PHP types for phpType() method.
     */
    const INT    = 'int';
    const BOOL   = 'bool';
    const STRING = 'string';
    const FLOAT  = 'float';

    /**
     * Default datetime value.
     */
    const DATETIME_DEFAULT = '1970-01-01 00:00:00';

    /**
     * Default timestamp expression (driver specific).
     */
    const DATETIME_CURRENT = 'CURRENT_TIMESTAMP';

    /**
     * Abstract type aliases (for consistency).
     *
     * @var array
     */
    private $aliases = [
        'int'            => 'integer',
        'bigint'         => 'bigInteger',
        'incremental'    => 'primary',
        'bigIncremental' => 'bigPrimary',
        'bool'           => 'boolean',
        'blob'           => 'binary',
    ];

    /**
     * Association list between abstract types and native PHP types. Every non listed type will be
     * converted into string.
     *
     * @invisible
     *
     * @var array
     */
    private $phpMapping = [
        self::INT   => ['primary', 'bigPrimary', 'integer', 'tinyInteger', 'bigInteger'],
        self::BOOL  => ['boolean'],
        self::FLOAT => ['double', 'float', 'decimal'],
    ];

    /**
     * Mapping between abstract type and internal database type with it's options. Multiple abstract
     * types can map into one database type, this implementation allows us to equalize two columns
     * if they have different abstract types but same database one. Must be declared by DBMS
     * specific implementation.
     *
     * Example:
     * integer => array('type' => 'int', 'size' => 1),
     * boolean => array('type' => 'tinyint', 'size' => 1)
     *
     * @invisible
     *
     * @var array
     */
    protected $mapping = [
        //Primary sequences
        'primary'     => null,
        'bigPrimary'  => null,

        //Enum type (mapped via method)
        'enum'        => null,

        //Logical types
        'boolean'     => null,

        //Integer types (size can always be changed with size method), longInteger has method alias
        //bigInteger
        'integer'     => null,
        'tinyInteger' => null,
        'bigInteger'  => null,

        //String with specified length (mapped via method)
        'string'      => null,

        //Generic types
        'text'        => null,
        'tinyText'    => null,
        'longText'    => null,

        //Real types
        'double'      => null,
        'float'       => null,

        //Decimal type (mapped via method)
        'decimal'     => null,

        //Date and Time types
        'datetime'    => null,
        'date'        => null,
        'time'        => null,
        'timestamp'   => null,

        //Binary types
        'binary'      => null,
        'tinyBinary'  => null,
        'longBinary'  => null,

        //Additional types
        'json'        => null,
    ];

    /**
     * Reverse mapping is responsible for generating abstact type based on database type and it's
     * options. Multiple database types can be mapped into one abstract type.
     *
     * @invisible
     *
     * @var array
     */
    protected $reverseMapping = [
        'primary'     => [],
        'bigPrimary'  => [],
        'enum'        => [],
        'boolean'     => [],
        'integer'     => [],
        'tinyInteger' => [],
        'bigInteger'  => [],
        'string'      => [],
        'text'        => [],
        'tinyText'    => [],
        'longText'    => [],
        'double'      => [],
        'float'       => [],
        'decimal'     => [],
        'datetime'    => [],
        'date'        => [],
        'time'        => [],
        'timestamp'   => [],
        'binary'      => [],
        'tinyBinary'  => [],
        'longBinary'  => [],
        'json'        => [],
    ];

    /**
     * DBMS specific column type.
     *
     * @var string
     */
    protected $type = '';

    /**
     * Indicates that column can contain null values.
     *
     * @var bool
     */
    protected $nullable = true;

    /**
     * Default column value, may not be applied to some datatypes (for example to primary keys),
     * should follow type size and other options.
     *
     * @var mixed
     */
    protected $defaultValue = null;

    /**
     * Column type size, can have different meanings for different datatypes.
     *
     * @var int
     */
    protected $size = 0;

    /**
     * Precision of column, applied only for "decimal" type.
     *
     * @var int
     */
    protected $precision = 0;

    /**
     * Scale of column, applied only for "decimal" type.
     *
     * @var int
     */
    protected $scale = 0;

    /**
     * List of allowed enum values.
     *
     * @var array
     */
    protected $enumValues = [];

    /**
     * {@inheritdoc}
     */
    public function getType(): string
    {
        return $this->type;
    }

    /**
     * {@inheritdoc}
     */
    public function phpType(): string
    {
        $schemaType = $this->abstractType();
        foreach ($this->phpMapping as $phpType => $candidates) {
            if (in_array($schemaType, $candidates)) {
                return $phpType;
            }
        }

        return self::STRING;
    }

    /**
     * {@inheritdoc}
     */
    public function getSize(): int
    {
        return $this->size;
    }

    /**
     * {@inheritdoc}
     */
    public function getPrecision(): int
    {
        return $this->precision;
    }

    /**
     * {@inheritdoc}
     */
    public function getScale(): int
    {
        return $this->scale;
    }

    /**
     * {@inheritdoc}
     */
    public function isNullable(): bool
    {
        return $this->nullable;
    }

    /**
     * {@inheritdoc}
     */
    public function hasDefaultValue(): bool
    {
        return !is_null($this->defaultValue);
    }


    /**
     * {@inheritdoc}
     */
    public function getDefaultValue()
    {
        if (!$this->hasDefaultValue()) {
            return null;
        }

        if ($this->defaultValue instanceof FragmentInterface) {
            return $this->defaultValue;
        }

        if (in_array($this->abstractType(), ['time', 'date', 'datetime', 'timestamp'])) {
            //Driver specific now expression
            if (strtolower($this->defaultValue) == strtolower(static::DATETIME_CURRENT)) {
                return new Fragment($this->defaultValue);
            }
        }

        switch ($this->phpType()) {
            case 'int':
                return (int)$this->defaultValue;
            case 'float':
                return (float)$this->defaultValue;
            case 'bool':
                if (strtolower($this->defaultValue) == 'false') {
                    return false;
                }

                return (bool)$this->defaultValue;
        }

        return (string)$this->defaultValue;
    }

    /**
     * Get every associated column constraint names.
     *
     * @return array
     */
    public function getConstraints(): array
    {
        return [];
    }

    /**
     * Get allowed enum values.
     *
     * @return array
     */
    public function getEnumValues(): array
    {
        return $this->enumValues;
    }

    /**
     * DBMS specific reverse mapping must map database specific type into limited set of abstract
     * types.
     *
     * @return string
     */
    public function abstractType(): string
    {
        foreach ($this->reverseMapping as $type => $candidates) {
            foreach ($candidates as $candidate) {
                if (is_string($candidate)) {
                    if (strtolower($candidate) == strtolower($this->type)) {
                        return $type;
                    }

                    continue;
                }

                if (strtolower($candidate['type']) != strtolower($this->type)) {
                    continue;
                }

                foreach ($candidate as $option => $required) {
                    if ($option == 'type') {
                        continue;
                    }

                    if ($this->{$option} != $required) {
                        continue 2;
                    }
                }

                return $type;
            }
        }

        return 'unknown';
    }

    /**
     * Must compare two instances of AbstractColumn.
     *
     * @param ColumnInterface $initial
     *
     * @return bool
     */
    public function compare(ColumnInterface $initial): bool
    {
        $normalized = clone $initial;

        if ($this == $normalized) {
            return true;
        }

        $columnVars = get_object_vars($this);
        $dbColumnVars = get_object_vars($normalized);

        $difference = [];
        foreach ($columnVars as $name => $value) {
            if ($name == 'defaultValue') {

                //Default values has to compared using type-casted value
                if ($this->getDefaultValue() != $initial->getDefaultValue()) {
                    $difference[] = $name;
                }

                continue;
            }

            if ($value != $dbColumnVars[$name]) {
                $difference[] = $name;
            }
        }

        return empty($difference);
    }

    /**
     * {@inheritdoc}
     */
    public function sqlStatement(Driver $driver): string
    {
        $statement = [$driver->identifier($this->name), $this->type];

        if ($this->abstractType() == 'enum') {
            //Enum specific column options
            if (!empty($enumDefinition = $this->prepareEnum($driver))) {
                $statement[] = $enumDefinition;
            }
        } elseif (!empty($this->precision)) {
            $statement[] = "({$this->precision}, {$this->scale})";
        } elseif (!empty($this->size)) {
            $statement[] = "({$this->size})";
        }

        $statement[] = $this->nullable ? 'NULL' : 'NOT NULL';

        if ($this->defaultValue !== null) {
            $statement[] = "DEFAULT {$this->prepareDefault($driver)}";
        }

        return implode(' ', $statement);
    }

    /**
     * Get database specific enum type definition options.
     *
     * @param Driver $driver
     *
     * @return string.

     */
    protected function prepareEnum(Driver $driver): string
    {
        $enumValues = [];
        foreach ($this->enumValues as $value) {
            $enumValues[] = $driver->quote($value);
        }

        if (!empty($enumValues)) {
            return '(' . implode(', ', $enumValues) . ')';
        }

        return '';
    }

    /**
     * Must return driver specific default value.
     *
     * @param Driver $driver
     *
     * @return string
     */
    protected function prepareDefault(Driver $driver): string
    {
        if (($defaultValue = $this->getDefaultValue()) === null) {
            return 'NULL';
        }

        if ($defaultValue instanceof FragmentInterface) {
            return $defaultValue->sqlStatement();
        }

        if ($this->phpType() == 'bool') {
            return $defaultValue ? 'TRUE' : 'FALSE';
        }

        if ($this->phpType() == 'float') {
            return sprintf('%F', $defaultValue);
        }

        if ($this->phpType() == 'int') {
            return $defaultValue;
        }

        return $driver->quote($defaultValue);
    }
}

1			<?php
2			/**
3			* components
4			*
5			* @author Wolfy-J
6			*/
7			namespace Spiral\Database\Schemas\Prototypes;
8
9			use Spiral\Database\Entities\Driver;
10			use Spiral\Database\Injections\Fragment;
11			use Spiral\Database\Injections\FragmentInterface;
12			use Spiral\Database\Schemas\ColumnInterface;
13
14			/**
15			* Abstract column schema with read (see ColumnInterface) and write abilities. Must be implemented
16			* by driver to support DBMS specific syntax and creation rules.
17			*
18			* Shortcuts for various column types:
19			*
20			* @method AbstractColumn\|$this boolean()
21			* @method AbstractColumn\|$this integer()
22			* @method AbstractColumn\|$this tinyInteger()
23			* @method AbstractColumn\|$this bigInteger()
24			* @method AbstractColumn\|$this text()
25			* @method AbstractColumn\|$this tinyText()
26			* @method AbstractColumn\|$this longText()
27			* @method AbstractColumn\|$this double()
28			* @method AbstractColumn\|$this float()
29			* @method AbstractColumn\|$this datetime()
30			* @method AbstractColumn\|$this date()
31			* @method AbstractColumn\|$this time()
32			* @method AbstractColumn\|$this timestamp()
33			* @method AbstractColumn\|$this binary()
34			* @method AbstractColumn\|$this tinyBinary()
35			* @method AbstractColumn\|$this longBinary()
36			* @method AbstractColumn\|$this json()
37			*/
38			abstract class AbstractColumn extends AbstractElement implements ColumnInterface
39			{
40			/**
41			* PHP types for phpType() method.
42			*/
43			const INT = 'int';
44			const BOOL = 'bool';
45			const STRING = 'string';
46			const FLOAT = 'float';
47
48			/**
49			* Default datetime value.
50			*/
51			const DATETIME_DEFAULT = '1970-01-01 00:00:00';
52
53			/**
54			* Default timestamp expression (driver specific).
55			*/
56			const DATETIME_CURRENT = 'CURRENT_TIMESTAMP';
57
58			/**
59			* Abstract type aliases (for consistency).
60			*
61			* @var array
62			*/
63			private $aliases = [
64			'int' => 'integer',
65			'bigint' => 'bigInteger',
66			'incremental' => 'primary',
67			'bigIncremental' => 'bigPrimary',
68			'bool' => 'boolean',
69			'blob' => 'binary',
70			];
71
72			/**
73			* Association list between abstract types and native PHP types. Every non listed type will be
74			* converted into string.
75			*
76			* @invisible
77			*
78			* @var array
79			*/
80			private $phpMapping = [
81			self::INT => ['primary', 'bigPrimary', 'integer', 'tinyInteger', 'bigInteger'],
82			self::BOOL => ['boolean'],
83			self::FLOAT => ['double', 'float', 'decimal'],
84			];
85
86			/**
87			* Mapping between abstract type and internal database type with it's options. Multiple abstract
88			* types can map into one database type, this implementation allows us to equalize two columns
89			* if they have different abstract types but same database one. Must be declared by DBMS
90			* specific implementation.
91			*
92			* Example:
93			* integer => array('type' => 'int', 'size' => 1),
94			* boolean => array('type' => 'tinyint', 'size' => 1)
95			*
96			* @invisible
97			*
98			* @var array
99			*/
100			protected $mapping = [
101			//Primary sequences
102			'primary' => null,
103			'bigPrimary' => null,
104
105			//Enum type (mapped via method)
106			'enum' => null,
107
108			//Logical types
109			'boolean' => null,
110
111			//Integer types (size can always be changed with size method), longInteger has method alias
112			//bigInteger
113			'integer' => null,
114			'tinyInteger' => null,
115			'bigInteger' => null,
116
117			//String with specified length (mapped via method)
118			'string' => null,
119
120			//Generic types
121			'text' => null,
122			'tinyText' => null,
123			'longText' => null,
124
125			//Real types
126			'double' => null,
127			'float' => null,
128
129			//Decimal type (mapped via method)
130			'decimal' => null,
131
132			//Date and Time types
133			'datetime' => null,
134			'date' => null,
135			'time' => null,
136			'timestamp' => null,
137
138			//Binary types
139			'binary' => null,
140			'tinyBinary' => null,
141			'longBinary' => null,
142
143			//Additional types
144			'json' => null,
145			];
146
147			/**
148			* Reverse mapping is responsible for generating abstact type based on database type and it's
149			* options. Multiple database types can be mapped into one abstract type.
150			*
151			* @invisible
152			*
153			* @var array
154			*/
155			protected $reverseMapping = [
156			'primary' => [],
157			'bigPrimary' => [],
158			'enum' => [],
159			'boolean' => [],
160			'integer' => [],
161			'tinyInteger' => [],
162			'bigInteger' => [],
163			'string' => [],
164			'text' => [],
165			'tinyText' => [],
166			'longText' => [],
167			'double' => [],
168			'float' => [],
169			'decimal' => [],
170			'datetime' => [],
171			'date' => [],
172			'time' => [],
173			'timestamp' => [],
174			'binary' => [],
175			'tinyBinary' => [],
176			'longBinary' => [],
177			'json' => [],
178			];
179
180			/**
181			* DBMS specific column type.
182			*
183			* @var string
184			*/
185			protected $type = '';
186
187			/**
188			* Indicates that column can contain null values.
189			*
190			* @var bool
191			*/
192			protected $nullable = true;
193
194			/**
195			* Default column value, may not be applied to some datatypes (for example to primary keys),
196			* should follow type size and other options.
197			*
198			* @var mixed
199			*/
200			protected $defaultValue = null;
201
202			/**
203			* Column type size, can have different meanings for different datatypes.
204			*
205			* @var int
206			*/
207			protected $size = 0;
208
209			/**
210			* Precision of column, applied only for "decimal" type.
211			*
212			* @var int
213			*/
214			protected $precision = 0;
215
216			/**
217			* Scale of column, applied only for "decimal" type.
218			*
219			* @var int
220			*/
221			protected $scale = 0;
222
223			/**
224			* List of allowed enum values.
225			*
226			* @var array
227			*/
228			protected $enumValues = [];
229
230			/**
231			* {@inheritdoc}
232			*/
233			public function getType(): string
234			{
235			return $this->type;
236			}
237
238			/**
239			* {@inheritdoc}
240			*/
241			public function phpType(): string
242			{
243			$schemaType = $this->abstractType();
244			foreach ($this->phpMapping as $phpType => $candidates) {
245			if (in_array($schemaType, $candidates)) {
246			return $phpType;
247			}
248			}
249
250			return self::STRING;
251			}
252
253			/**
254			* {@inheritdoc}
255			*/
256			public function getSize(): int
257			{
258			return $this->size;
259			}
260
261			/**
262			* {@inheritdoc}
263			*/
264			public function getPrecision(): int
265			{
266			return $this->precision;
267			}
268
269			/**
270			* {@inheritdoc}
271			*/
272			public function getScale(): int
273			{
274			return $this->scale;
275			}
276
277			/**
278			* {@inheritdoc}
279			*/
280			public function isNullable(): bool
281			{
282			return $this->nullable;
283			}
284
285			/**
286			* {@inheritdoc}
287			*/
288			public function hasDefaultValue(): bool
289			{
290			return !is_null($this->defaultValue);
291			}
292
293
294			/**
295			* {@inheritdoc}
296			*/
297			public function getDefaultValue()
298			{
299			if (!$this->hasDefaultValue()) {
300			return null;
301			}
302
303			if ($this->defaultValue instanceof FragmentInterface) {
304			return $this->defaultValue;
305			}
306
307			if (in_array($this->abstractType(), ['time', 'date', 'datetime', 'timestamp'])) {
308			//Driver specific now expression
309			if (strtolower($this->defaultValue) == strtolower(static::DATETIME_CURRENT)) {
310			return new Fragment($this->defaultValue);
311			}
312			}
313
314			switch ($this->phpType()) {
315			case 'int':
316			return (int)$this->defaultValue;
317			case 'float':
318			return (float)$this->defaultValue;
319			case 'bool':
320			if (strtolower($this->defaultValue) == 'false') {
321			return false;
322			}
323
324			return (bool)$this->defaultValue;
325			}
326
327			return (string)$this->defaultValue;
328			}
329
330			/**
331			* Get every associated column constraint names.
332			*
333			* @return array
334			*/
335			public function getConstraints(): array
336			{
337			return [];
338			}
339
340			/**
341			* Get allowed enum values.
342			*
343			* @return array
344			*/
345			public function getEnumValues(): array
346			{
347			return $this->enumValues;
348			}
349
350			/**
351			* DBMS specific reverse mapping must map database specific type into limited set of abstract
352			* types.
353			*
354			* @return string
355			*/
356			public function abstractType(): string
357			{
358			foreach ($this->reverseMapping as $type => $candidates) {
359			foreach ($candidates as $candidate) {
360			if (is_string($candidate)) {
361			if (strtolower($candidate) == strtolower($this->type)) {
362			return $type;
363			}
364
365			continue;
366			}
367
368			if (strtolower($candidate['type']) != strtolower($this->type)) {
369			continue;
370			}
371
372			foreach ($candidate as $option => $required) {
373			if ($option == 'type') {
374			continue;
375			}
376
377			if ($this->{$option} != $required) {
378			continue 2;
379			}
380			}
381
382			return $type;
383			}
384			}
385
386			return 'unknown';
387			}
388
389			/**
390			* Must compare two instances of AbstractColumn.
391			*
392			* @param ColumnInterface $initial
393			*
394			* @return bool
395			*/
396			public function compare(ColumnInterface $initial): bool
397			{
398			$normalized = clone $initial;
399
400			if ($this == $normalized) {
401			return true;
402			}
403
404			$columnVars = get_object_vars($this);
405			$dbColumnVars = get_object_vars($normalized);
406
407			$difference = [];
408			foreach ($columnVars as $name => $value) {
409			if ($name == 'defaultValue') {
410
411			//Default values has to compared using type-casted value
412			if ($this->getDefaultValue() != $initial->getDefaultValue()) {
413			$difference[] = $name;
414			}
415
416			continue;
417			}
418
419			if ($value != $dbColumnVars[$name]) {
420			$difference[] = $name;
421			}
422			}
423
424			return empty($difference);
425			}
426
427			/**
428			* {@inheritdoc}
429			*/
430			public function sqlStatement(Driver $driver): string
431			{
432			$statement = [$driver->identifier($this->name), $this->type];
433
434			if ($this->abstractType() == 'enum') {
435			//Enum specific column options
436			if (!empty($enumDefinition = $this->prepareEnum($driver))) {
437			$statement[] = $enumDefinition;
438			}
439			} elseif (!empty($this->precision)) {
440			$statement[] = "({$this->precision}, {$this->scale})";
441			} elseif (!empty($this->size)) {
442			$statement[] = "({$this->size})";
443			}
444
445			$statement[] = $this->nullable ? 'NULL' : 'NOT NULL';
446
447			if ($this->defaultValue !== null) {
448			$statement[] = "DEFAULT {$this->prepareDefault($driver)}";
449			}
450
451			return implode(' ', $statement);
452			}
453
454			/**
455			* Get database specific enum type definition options.
456			*
457			* @param Driver $driver
458			*
459			* @return string.
			0 ignored issues – show Documentation introduced 2016-12-08 13:58 UTC by Report Bug Copy Issue Report The doc-type `string.` could not be parsed: Unknown type name "string." at position 0. (view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
460			*/
461			protected function prepareEnum(Driver $driver): string
462			{
463			$enumValues = [];
464			foreach ($this->enumValues as $value) {
465			$enumValues[] = $driver->quote($value);
466			}
467
468			if (!empty($enumValues)) {
469			return '(' . implode(', ', $enumValues) . ')';
470			}
471
472			return '';
473			}
474
475			/**
476			* Must return driver specific default value.
477			*
478			* @param Driver $driver
479			*
480			* @return string
481			*/
482			protected function prepareDefault(Driver $driver): string
483			{
484			if (($defaultValue = $this->getDefaultValue()) === null) {
485			return 'NULL';
486			}
487
488			if ($defaultValue instanceof FragmentInterface) {
489			return $defaultValue->sqlStatement();
490			}
491
492			if ($this->phpType() == 'bool') {
493			return $defaultValue ? 'TRUE' : 'FALSE';
494			}
495
496			if ($this->phpType() == 'float') {
497			return sprintf('%F', $defaultValue);
498			}
499
500			if ($this->phpType() == 'int') {
501			return $defaultValue;
502			}
503
504			return $driver->quote($defaultValue);
505			}
506			}

spiral / components

Branch — feature/pre-split (76ded7)

AbstractColumn::getDefaultValue() D

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like