MigrationTarget::migrateDown() - Code Metrics - Inspection of "Add migration support" - daikon-cqrs/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( 456c6d...06ba11 )

by Mr

created 2017-07-10 12:38 UTC

MigrationTarget::migrateDown() C

↳ Parent: MigrationTarget

Complexity

Conditions	7
Paths	3

Size

Total Lines	29
Code Lines	16

Duplication

Lines	29
Ratio	100 %

Importance

Changes

Metric	Value
dl	29
loc	29
c	0
b	0
f	0
rs	6.7272
cc	7
eloc	16
nc	3
nop	1

<?php

namespace Daikon\Dbal\Migration;

use Assert\Assertion;
use Daikon\Dbal\Exception\MigrationException;

final class MigrationTarget implements MigrationTargetInterface
{
    private $name;

    private $enabled;

    private $migrationAdapter;

    private $migrationLoader;

    private $migrationList;

    public function __construct(
        string $name,
        bool $enabled,
        MigrationAdapterInterface $migrationAdapter,
        MigrationLoaderInterface $migrationLoader
    ) {
        $this->name = $name;
        $this->enabled = $enabled;
        $this->migrationAdapter = $migrationAdapter;
        $this->migrationLoader = $migrationLoader;
    }

    public function getName(): string
    {
        return $this->name;
    }

    public function isEnabled(): bool
    {
        return $this->enabled === true;
    }

    public function getMigrationList(): MigrationList
    {
        if (!$this->migrationList) {
            $availableMigrations = $this->migrationLoader->load();
            $executedMigrations = $this->migrationAdapter->read($this->name);
            $pendingMigrations = $availableMigrations->diff($executedMigrations);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
            $this->migrationList = $executedMigrations->merge($pendingMigrations);
function acceptsInteger($int) { }

$x = '123'; // string "123"

// Instead of
acceptsInteger($x);

// we recommend to use
acceptsInteger((integer) $x);
        }
        return $this->migrationList;
    }

    public function migrate(string $direction, string $version = null): MigrationList
    {
        Assertion::true($this->isEnabled());

        if ($direction === MigrationInterface::MIGRATE_DOWN) {
            $executedMigrations = $this->migrateDown($version);
        } else {
            $executedMigrations = $this->migrateUp($version);
        }

        return $executedMigrations;
    }

    private function migrateUp(int $version = null): MigrationList

    {
        $migrationList = $this->getMigrationList();
        $pendingMigrations = $migrationList->getPendingMigrations();
        $executedMigrations = $migrationList->getExecutedMigrations();

        if ($version && !$pendingMigrations->containsVersion($version)) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
            throw new MigrationException(sprintf('Target version %s not found in pending migrations.', $version));
        }

        $completedMigrations = [];
        $connector = $this->migrationAdapter->getConnector();
        foreach ($pendingMigrations as $migration) {
            $migration->execute($connector, MigrationInterface::MIGRATE_UP);
            $executedMigrations = $executedMigrations->push($migration);
            $this->migrationAdapter->write($this->name, $executedMigrations);
            $completedMigrations[] = $migration;
            if ($version && $migration->getVersion() === $version) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
                break;
            }
        }

        return new MigrationList($completedMigrations);
    }

    private function migrateDown(int $version = null): MigrationList

    {
        $migrationList = $this->getMigrationList();
        $executedMigrations = $migrationList->getExecutedMigrations();

        if ($version && !$executedMigrations->containsVersion($version)) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
            throw new MigrationException(sprintf('Target version %s not found in executed migrations.', $version));
        }

        $completedMigrations = [];
        $connector = $this->migrationAdapter->getConnector();
        foreach ($executedMigrations->reverse() as $migration) {
            if ($version && $migration->getVersion() === $version) {
0   == false // true
0   == null  // true
123 == false // false
123 == null  // false

// It is often better to use strict comparison
0 === false // false
0 === null  // false
                break;
            }
            $migration->execute($connector, MigrationInterface::MIGRATE_DOWN);
            $executedMigrations = $executedMigrations->remove($migration);
            if ($executedMigrations->count() > 0) {
                /*
                 * Do not write version info after reversing initial migration since we have
                 * an assumption that the database was deleted!
                 */
                $this->migrationAdapter->write($this->name, $executedMigrations);
            }
            $completedMigrations[] = $migration;
        }

        return new MigrationList($completedMigrations);
    }
}


1		<?php
2
3		namespace Daikon\Dbal\Migration;
4
5		use Assert\Assertion;
6		use Daikon\Dbal\Exception\MigrationException;
7
8		final class MigrationTarget implements MigrationTargetInterface
9		{
10		private $name;
11
12		private $enabled;
13
14		private $migrationAdapter;
15
16		private $migrationLoader;
17
18		private $migrationList;
19
20		public function __construct(
21		string $name,
22		bool $enabled,
23		MigrationAdapterInterface $migrationAdapter,
24		MigrationLoaderInterface $migrationLoader
25		) {
26		$this->name = $name;
27		$this->enabled = $enabled;
28		$this->migrationAdapter = $migrationAdapter;
29		$this->migrationLoader = $migrationLoader;
30		}
31
32		public function getName(): string
33		{
34		return $this->name;
35		}
36
37		public function isEnabled(): bool
38		{
39		return $this->enabled === true;
40		}
41
42		public function getMigrationList(): MigrationList
43		{
44		if (!$this->migrationList) {
45		$availableMigrations = $this->migrationLoader->load();
46		$executedMigrations = $this->migrationAdapter->read($this->name);
47		$pendingMigrations = $availableMigrations->diff($executedMigrations);
		0 ignored issues – show Documentation introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report `$executedMigrations` is of type `object<Daikon\Dbal\Migration\MigrationList>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
48		$this->migrationList = $executedMigrations->merge($pendingMigrations);
		0 ignored issues – show Documentation introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report `$pendingMigrations` is of type `object<Daikon\Dbal\Migration\MigrationList>`, but the function expects a `object<self>`. It seems like the type of the argument is not accepted by the function/method which you are calling. In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug. We suggest to add an explicit type cast like in the following example: function acceptsInteger($int) { } $x = '123'; // string "123" // Instead of acceptsInteger($x); // we recommend to use acceptsInteger((integer) $x); Loading history...
49		}
50		return $this->migrationList;
51		}
52
53		public function migrate(string $direction, string $version = null): MigrationList
54		{
55		Assertion::true($this->isEnabled());
56
57		if ($direction === MigrationInterface::MIGRATE_DOWN) {
58		$executedMigrations = $this->migrateDown($version);
59		} else {
60		$executedMigrations = $this->migrateUp($version);
61		}
62
63		return $executedMigrations;
64		}
65
66	View Code Duplication	private function migrateUp(int $version = null): MigrationList
		0 ignored issues – show Duplication introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
67		{
68		$migrationList = $this->getMigrationList();
69		$pendingMigrations = $migrationList->getPendingMigrations();
70		$executedMigrations = $migrationList->getExecutedMigrations();
71
72		if ($version && !$pendingMigrations->containsVersion($version)) {
		0 ignored issues – show Bug Best Practice introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report The expression `$version` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
73		throw new MigrationException(sprintf('Target version %s not found in pending migrations.', $version));
74		}
75
76		$completedMigrations = [];
77		$connector = $this->migrationAdapter->getConnector();
78		foreach ($pendingMigrations as $migration) {
79		$migration->execute($connector, MigrationInterface::MIGRATE_UP);
80		$executedMigrations = $executedMigrations->push($migration);
81		$this->migrationAdapter->write($this->name, $executedMigrations);
82		$completedMigrations[] = $migration;
83		if ($version && $migration->getVersion() === $version) {
		0 ignored issues – show Bug Best Practice introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report The expression `$version` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
84		break;
85		}
86		}
87
88		return new MigrationList($completedMigrations);
89		}
90
91	View Code Duplication	private function migrateDown(int $version = null): MigrationList
		0 ignored issues – show Duplication introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
92		{
93		$migrationList = $this->getMigrationList();
94		$executedMigrations = $migrationList->getExecutedMigrations();
95
96		if ($version && !$executedMigrations->containsVersion($version)) {
		0 ignored issues – show Bug Best Practice introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report The expression `$version` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
97		throw new MigrationException(sprintf('Target version %s not found in executed migrations.', $version));
98		}
99
100		$completedMigrations = [];
101		$connector = $this->migrationAdapter->getConnector();
102		foreach ($executedMigrations->reverse() as $migration) {
103		if ($version && $migration->getVersion() === $version) {
		0 ignored issues – show Bug Best Practice introduced 2017-07-10 12:40 UTC by Report Bug Copy Issue Report The expression `$version` of type `null\|integer` is loosely compared to `true`; this is ambiguous if the integer can be zero. You might want to explicitly use `!== null` instead. In PHP, under loose comparison (like `==`, or `!=`, or `switch` conditions), values of different types might be equal. For `integer` values, zero is a special case, in particular the following results might be unexpected: 0 == false // true 0 == null // true 123 == false // false 123 == null // false // It is often better to use strict comparison 0 === false // false 0 === null // false Loading history...
104		break;
105		}
106		$migration->execute($connector, MigrationInterface::MIGRATE_DOWN);
107		$executedMigrations = $executedMigrations->remove($migration);
108		if ($executedMigrations->count() > 0) {
109		/*
110		* Do not write version info after reversing initial migration since we have
111		* an assumption that the database was deleted!
112		*/
113		$this->migrationAdapter->write($this->name, $executedMigrations);
114		}
115		$completedMigrations[] = $migration;
116		}
117
118		return new MigrationList($completedMigrations);
119		}
120		}
121

daikon-cqrs / dbal

Push — master ( 456c6d...06ba11 )

MigrationTarget::migrateDown() C

Complexity

Size

Duplication

Importance

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