MDB2SchemaReader::loadField() - Code Metrics - owncloud/core - Measure and Improve Code Quality continuously with Scrutinizer

MDB2SchemaReader::loadField() F
last analyzed 2018-10-22 20:29 UTC

↳ Parent: MDB2SchemaReader

Complexity

Conditions	38
Paths	13329

Size

Total Lines

112

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	38
nc	13329
nop	2
dl	0
loc	112
rs	0
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/**
 * @author Bart Visscher <[email protected]>
 * @author Morris Jobke <[email protected]>
 * @author Oliver Gasser <[email protected]>
 * @author Robin Appelman <[email protected]>
 * @author Robin McCorkell <[email protected]>
 * @author Thomas Müller <[email protected]>
 * @author Victor Dubiniuk <[email protected]>
 * @author Vincent Petry <[email protected]>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OC\DB;

use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Schema\Schema;
use OCP\IConfig;

class MDB2SchemaReader {

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

	/** @var \Doctrine\DBAL\Platforms\AbstractPlatform $platform */
	protected $platform;

	/**
	 * @param \OCP\IConfig $config
	 * @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
	 */
	public function __construct(IConfig $config, AbstractPlatform $platform) {
		$this->platform = $platform;
		$this->DBTABLEPREFIX = $config->getSystemValue('dbtableprefix', 'oc_');
	}

	/**
	 * @param string $file
	 * @param Schema $schema
	 * @return Schema
	 */
	public function loadSchemaFromFile($file, Schema $schema) {
		$loadEntities = \libxml_disable_entity_loader(false);
		$xml = \simplexml_load_file($file);
		\libxml_disable_entity_loader($loadEntities);
		foreach ($xml->children() as $child) {
			/**
			 * @var \SimpleXMLElement $child
			 */
			switch ($child->getName()) {
				case 'name':
				case 'create':
				case 'overwrite':
				case 'charset':
					break;
				case 'table':
					$this->loadTable($schema, $child);
					break;
				default:
					throw new \DomainException('Unknown element: ' . $child->getName());

			}
		}
		return $schema;
	}

	/**
	 * @param \Doctrine\DBAL\Schema\Schema $schema
	 * @param \SimpleXMLElement $xml
	 * @throws \DomainException
	 */
	private function loadTable($schema, $xml) {
		$table = null;
		foreach ($xml->children() as $child) {
			/**
			 * @var \SimpleXMLElement $child
			 */
			switch ($child->getName()) {
				case 'name':
					$name = (string)$child;
					$name = \str_replace('*dbprefix*', $this->DBTABLEPREFIX, $name);
					$name = $this->platform->quoteIdentifier($name);
					$table = $schema->createTable($name);
					break;
				case 'create':
				case 'overwrite':
				case 'charset':
					break;
				case 'declaration':
					if ($table === null) {
						throw new \DomainException('Table declaration before table name');
					}
					$this->loadDeclaration($table, $child);
					break;
				default:
					throw new \DomainException('Unknown element: ' . $child->getName());

			}
		}
	}

	/**
	 * @param \Doctrine\DBAL\Schema\Table $table
	 * @param \SimpleXMLElement $xml
	 * @throws \DomainException
	 */
	private function loadDeclaration($table, $xml) {
		foreach ($xml->children() as $child) {
			/**
			 * @var \SimpleXMLElement $child
			 */
			switch ($child->getName()) {
				case 'field':
					$this->loadField($table, $child);
					break;
				case 'index':
					$this->loadIndex($table, $child);
					break;
				default:
					throw new \DomainException('Unknown element: ' . $child->getName());

			}
		}
	}

	/**
	 * @param \Doctrine\DBAL\Schema\Table $table
	 * @param \SimpleXMLElement $xml
	 * @throws \DomainException
	 */
	private function loadField($table, $xml) {
		$options = ['notnull' => false];
		$primary = null;
		foreach ($xml->children() as $child) {
			/**
			 * @var \SimpleXMLElement $child
			 */
			switch ($child->getName()) {
				case 'name':
					$name = (string)$child;
					$name = $this->platform->quoteIdentifier($name);
					break;
				case 'type':
					$type = (string)$child;
					switch ($type) {
						case 'text':
							$type = 'string';
							break;
						case 'clob':
							$type = 'text';
							break;
						case 'timestamp':
							$type = 'datetime';
							break;
						case 'numeric':
							$type = 'decimal';
							break;
					}
					break;
				case 'length':
					$length = (string)$child;
					$options['length'] = $length;
					break;
				case 'unsigned':
					$unsigned = $this->asBool($child);
					$options['unsigned'] = $unsigned;
					break;
				case 'notnull':
					$notnull = $this->asBool($child);
					$options['notnull'] = $notnull;
					break;
				case 'autoincrement':
					$autoincrement = $this->asBool($child);
					$options['autoincrement'] = $autoincrement;
					break;
				case 'default':
					$default = (string)$child;
					$options['default'] = $default;
					break;
				case 'comments':
					$comment = (string)$child;
					$options['comment'] = $comment;
					break;
				case 'primary':
					$primary = $this->asBool($child);
					break;
				case 'precision':
					$precision = (string)$child;
					$options['precision'] = $precision;
					break;
				case 'scale':
					$scale = (string)$child;
					$options['scale'] = $scale;
					break;
				default:
					throw new \DomainException('Unknown element: ' . $child->getName());

			}
		}
		if (isset($name, $type)) {
			if (isset($options['default']) && empty($options['default'])) {
				if (empty($options['notnull']) || !$options['notnull']) {
					unset($options['default']);
					$options['notnull'] = false;
				} else {
					$options['default'] = '';
				}
				if ($type == 'integer' || $type == 'decimal') {
					$options['default'] = 0;
				} elseif ($type == 'boolean') {
					$options['default'] = false;
				}
				if (!empty($options['autoincrement']) && $options['autoincrement']) {
					unset($options['default']);
				}
			}
			if ($type === 'integer' && isset($options['default'])) {
				$options['default'] = (int)$options['default'];
			}
			if ($type === 'integer' && isset($options['length'])) {
				$length = $options['length'];
				if ($length < 4) {
					$type = 'smallint';
				} elseif ($length > 4) {
					$type = 'bigint';
				}
			}
			if ($type === 'boolean' && isset($options['default'])) {
				$options['default'] = $this->asBool($options['default']);
			}
			if (!empty($options['autoincrement'])
				&& !empty($options['notnull'])
			) {
				$primary = true;
			}

			$table->addColumn($name, $type, $options);
			if ($primary) {
				$table->setPrimaryKey([$name]);
			}
		}
	}

	/**
	 * @param \Doctrine\DBAL\Schema\Table $table
	 * @param \SimpleXMLElement $xml
	 * @throws \DomainException
	 */
	private function loadIndex($table, $xml) {
		$name = null;
		$fields = [];
		foreach ($xml->children() as $child) {
			/**
			 * @var \SimpleXMLElement $child
			 */
			switch ($child->getName()) {
				case 'name':
					$name = (string)$child;
					break;
				case 'primary':
					$primary = $this->asBool($child);
					break;
				case 'unique':
					$unique = $this->asBool($child);
					break;
				case 'field':
					foreach ($child->children() as $field) {
						/**
						 * @var \SimpleXMLElement $field
						 */
						switch ($field->getName()) {
							case 'name':
								$field_name = (string)$field;
								$field_name = $this->platform->quoteIdentifier($field_name);
								$fields[] = $field_name;
								break;
							case 'sorting':
								break;
							default:
								throw new \DomainException('Unknown element: ' . $field->getName());

						}
					}
					break;
				default:
					throw new \DomainException('Unknown element: ' . $child->getName());

			}
		}
		if (!empty($fields)) {
			if (isset($primary) && $primary) {
				if ($table->hasPrimaryKey()) {
					return;
				}
				$table->setPrimaryKey($fields, $name);
			} else {
				if (isset($unique) && $unique) {
					$table->addUniqueIndex($fields, $name);
				} else {
					$table->addIndex($fields, $name);
				}
			}
		} else {
			throw new \DomainException('Empty index definition: ' . $name . ' options:' . \print_r($fields, true));
		}
	}

	/**
	 * @param \SimpleXMLElement|string $xml
	 * @return bool
	 */
	private function asBool($xml) {
		$result = (string)$xml;
		if ($result == 'true') {
			$result = true;
		} elseif ($result == 'false') {
			$result = false;
		}
		return (bool)$result;
	}
}


1			<?php
2			/**
3			* @author Bart Visscher <[email protected]>
4			* @author Morris Jobke <[email protected]>
5			* @author Oliver Gasser <[email protected]>
6			* @author Robin Appelman <[email protected]>
7			* @author Robin McCorkell <[email protected]>
8			* @author Thomas Müller <[email protected]>
9			* @author Victor Dubiniuk <[email protected]>
10			* @author Vincent Petry <[email protected]>
11			*
12			* @copyright Copyright (c) 2018, ownCloud GmbH
13			* @license AGPL-3.0
14			*
15			* This code is free software: you can redistribute it and/or modify
16			* it under the terms of the GNU Affero General Public License, version 3,
17			* as published by the Free Software Foundation.
18			*
19			* This program is distributed in the hope that it will be useful,
20			* but WITHOUT ANY WARRANTY; without even the implied warranty of
21			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22			* GNU Affero General Public License for more details.
23			*
24			* You should have received a copy of the GNU Affero General Public License, version 3,
25			* along with this program. If not, see <http://www.gnu.org/licenses/>
26			*
27			*/
28
29			namespace OC\DB;
30
31			use Doctrine\DBAL\Platforms\AbstractPlatform;
32			use Doctrine\DBAL\Schema\Schema;
33			use OCP\IConfig;
34
35			class MDB2SchemaReader {
36
37			/** @var string $DBTABLEPREFIX */
38			protected $DBTABLEPREFIX;
39
40			/** @var \Doctrine\DBAL\Platforms\AbstractPlatform $platform */
41			protected $platform;
42
43			/**
44			* @param \OCP\IConfig $config
45			* @param \Doctrine\DBAL\Platforms\AbstractPlatform $platform
46			*/
47			public function __construct(IConfig $config, AbstractPlatform $platform) {
48			$this->platform = $platform;
49			$this->DBTABLEPREFIX = $config->getSystemValue('dbtableprefix', 'oc_');
50			}
51
52			/**
53			* @param string $file
54			* @param Schema $schema
55			* @return Schema
56			*/
57			public function loadSchemaFromFile($file, Schema $schema) {
58			$loadEntities = \libxml_disable_entity_loader(false);
59			$xml = \simplexml_load_file($file);
60			\libxml_disable_entity_loader($loadEntities);
61			foreach ($xml->children() as $child) {
62			/**
63			* @var \SimpleXMLElement $child
64			*/
65			switch ($child->getName()) {
66			case 'name':
67			case 'create':
68			case 'overwrite':
69			case 'charset':
70			break;
71			case 'table':
72			$this->loadTable($schema, $child);
73			break;
74			default:
75			throw new \DomainException('Unknown element: ' . $child->getName());
76
77			}
78			}
79			return $schema;
80			}
81
82			/**
83			* @param \Doctrine\DBAL\Schema\Schema $schema
84			* @param \SimpleXMLElement $xml
85			* @throws \DomainException
86			*/
87			private function loadTable($schema, $xml) {
88			$table = null;
89			foreach ($xml->children() as $child) {
90			/**
91			* @var \SimpleXMLElement $child
92			*/
93			switch ($child->getName()) {
94			case 'name':
95			$name = (string)$child;
96			$name = \str_replace('dbprefix', $this->DBTABLEPREFIX, $name);
97			$name = $this->platform->quoteIdentifier($name);
98			$table = $schema->createTable($name);
99			break;
100			case 'create':
101			case 'overwrite':
102			case 'charset':
103			break;
104			case 'declaration':
105			if ($table === null) {
106			throw new \DomainException('Table declaration before table name');
107			}
108			$this->loadDeclaration($table, $child);
109			break;
110			default:
111			throw new \DomainException('Unknown element: ' . $child->getName());
112
113			}
114			}
115			}
116
117			/**
118			* @param \Doctrine\DBAL\Schema\Table $table
119			* @param \SimpleXMLElement $xml
120			* @throws \DomainException
121			*/
122			private function loadDeclaration($table, $xml) {
123			foreach ($xml->children() as $child) {
124			/**
125			* @var \SimpleXMLElement $child
126			*/
127			switch ($child->getName()) {
128			case 'field':
129			$this->loadField($table, $child);
130			break;
131			case 'index':
132			$this->loadIndex($table, $child);
133			break;
134			default:
135			throw new \DomainException('Unknown element: ' . $child->getName());
136
137			}
138			}
139			}
140
141			/**
142			* @param \Doctrine\DBAL\Schema\Table $table
143			* @param \SimpleXMLElement $xml
144			* @throws \DomainException
145			*/
146			private function loadField($table, $xml) {
147			$options = ['notnull' => false];
148			$primary = null;
149			foreach ($xml->children() as $child) {
150			/**
151			* @var \SimpleXMLElement $child
152			*/
153			switch ($child->getName()) {
154			case 'name':
155			$name = (string)$child;
156			$name = $this->platform->quoteIdentifier($name);
157			break;
158			case 'type':
159			$type = (string)$child;
160			switch ($type) {
161			case 'text':
162			$type = 'string';
163			break;
164			case 'clob':
165			$type = 'text';
166			break;
167			case 'timestamp':
168			$type = 'datetime';
169			break;
170			case 'numeric':
171			$type = 'decimal';
172			break;
173			}
174			break;
175			case 'length':
176			$length = (string)$child;
177			$options['length'] = $length;
178			break;
179			case 'unsigned':
180			$unsigned = $this->asBool($child);
181			$options['unsigned'] = $unsigned;
182			break;
183			case 'notnull':
184			$notnull = $this->asBool($child);
185			$options['notnull'] = $notnull;
186			break;
187			case 'autoincrement':
188			$autoincrement = $this->asBool($child);
189			$options['autoincrement'] = $autoincrement;
190			break;
191			case 'default':
192			$default = (string)$child;
193			$options['default'] = $default;
194			break;
195			case 'comments':
196			$comment = (string)$child;
197			$options['comment'] = $comment;
198			break;
199			case 'primary':
200			$primary = $this->asBool($child);
201			break;
202			case 'precision':
203			$precision = (string)$child;
204			$options['precision'] = $precision;
205			break;
206			case 'scale':
207			$scale = (string)$child;
208			$options['scale'] = $scale;
209			break;
210			default:
211			throw new \DomainException('Unknown element: ' . $child->getName());
212
213			}
214			}
215			if (isset($name, $type)) {
216			if (isset($options['default']) && empty($options['default'])) {
217			if (empty($options['notnull']) \|\| !$options['notnull']) {
218			unset($options['default']);
219			$options['notnull'] = false;
220			} else {
221			$options['default'] = '';
222			}
223			if ($type == 'integer' \|\| $type == 'decimal') {
224			$options['default'] = 0;
225			} elseif ($type == 'boolean') {
226			$options['default'] = false;
227			}
228			if (!empty($options['autoincrement']) && $options['autoincrement']) {
229			unset($options['default']);
230			}
231			}
232			if ($type === 'integer' && isset($options['default'])) {
233			$options['default'] = (int)$options['default'];
234			}
235			if ($type === 'integer' && isset($options['length'])) {
236			$length = $options['length'];
237			if ($length < 4) {
238			$type = 'smallint';
239			} elseif ($length > 4) {
240			$type = 'bigint';
241			}
242			}
243			if ($type === 'boolean' && isset($options['default'])) {
244			$options['default'] = $this->asBool($options['default']);
245			}
246			if (!empty($options['autoincrement'])
247			&& !empty($options['notnull'])
248			) {
249			$primary = true;
250			}
251
252			$table->addColumn($name, $type, $options);
253			if ($primary) {
254			$table->setPrimaryKey([$name]);
255			}
256			}
257			}
258
259			/**
260			* @param \Doctrine\DBAL\Schema\Table $table
261			* @param \SimpleXMLElement $xml
262			* @throws \DomainException
263			*/
264			private function loadIndex($table, $xml) {
265			$name = null;
266			$fields = [];
267			foreach ($xml->children() as $child) {
268			/**
269			* @var \SimpleXMLElement $child
270			*/
271			switch ($child->getName()) {
272			case 'name':
273			$name = (string)$child;
274			break;
275			case 'primary':
276			$primary = $this->asBool($child);
277			break;
278			case 'unique':
279			$unique = $this->asBool($child);
280			break;
281			case 'field':
282			foreach ($child->children() as $field) {
283			/**
284			* @var \SimpleXMLElement $field
285			*/
286			switch ($field->getName()) {
287			case 'name':
288			$field_name = (string)$field;
289			$field_name = $this->platform->quoteIdentifier($field_name);
290			$fields[] = $field_name;
291			break;
292			case 'sorting':
293			break;
294			default:
295			throw new \DomainException('Unknown element: ' . $field->getName());
296
297			}
298			}
299			break;
300			default:
301			throw new \DomainException('Unknown element: ' . $child->getName());
302
303			}
304			}
305			if (!empty($fields)) {
306			if (isset($primary) && $primary) {
307			if ($table->hasPrimaryKey()) {
308			return;
309			}
310			$table->setPrimaryKey($fields, $name);
311			} else {
312			if (isset($unique) && $unique) {
313			$table->addUniqueIndex($fields, $name);
314			} else {
315			$table->addIndex($fields, $name);
316			}
317			}
318			} else {
319			throw new \DomainException('Empty index definition: ' . $name . ' options:' . \print_r($fields, true));
320			}
321			}
322
323			/**
324			* @param \SimpleXMLElement\|string $xml
325			* @return bool
326			*/
327			private function asBool($xml) {
328			$result = (string)$xml;
329			if ($result == 'true') {
330			$result = true;
331			} elseif ($result == 'false') {
332			$result = false;
333			}
334			return (bool)$result;
335			}
336			}
337

owncloud / core

MDB2SchemaReader::loadField() F last analyzed 2018-10-22 20:29 UTC

Complexity

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Duplication

Importance

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MDB2SchemaReader::loadField() F
last analyzed 2018-10-22 20:29 UTC