Base::delete() - Code Metrics - Inspection of "Added delete(), insert(), query() and update() met..." - aimeos/aimeos-base - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 5e32c8...fdcb24 )

by Aimeos

created 2022-06-26 08:02 UTC

Base::delete() A

↳ Parent: Base

Complexity

Conditions	4
Paths	4

Size

Total Lines	24
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	12
c	0
b	0
f	0
dl	0
loc	24
rs	9.8666
cc	4
nc	4
nop	2

<?php

/**
 * @license LGPLv3, https://opensource.org/licenses/LGPL-3.0
 * @copyright Aimeos (aimeos.org), 2015-2022
 * @package Base
 * @subpackage DB
 */


namespace Aimeos\Base\DB\Connection;


/**
 * Common class for all database connection implementations.
 *
 * @package Base
 * @subpackage DB
 */
abstract class Base implements Iface
{
	private $params;


	/**
	 * Initializes the base class
	 *
	 * @param array $params Connection parameters
	 */
	public function __construct( array $params = [] )
	{
		$this->params = $params;
	}


	/**
	 * Returns the underlying connection object
	 *
	 * @return mixed Underlying connection object
	 */
	abstract public function getRawObject();


	/**
	 * Escapes the value if necessary for direct inclusion in SQL statement.
	 *
	 * @param string|null $data Value to escape or null for no value
	 * @return string Escaped string
	 */
	public function escape( string $data = null ) : string
	{
		$quoted = $this->getRawObject()->quote( $data );

		if( $quoted[0] === '\'' ) {
			$quoted = substr( $quoted, 1, strlen( $quoted ) - 2 );
		}

		return $quoted;
	}


	/**
	 * Returns the connection parameters
	 *
	 * @return array Parameters to connect to the database server
	 */
	protected function getParameters() : array
	{
		return $this->params;
	}


	/**
	 * Checks if a transaction is currently running
	 *
	 * @return bool True if transaction is currently running, false if not
	 */
	public function inTransaction() : bool
	{
		return true; // safe default
	}


	/**
	 * Deletes the records from the given table
	 *
	 * @param string $table Name of the table
	 * @param array $conditions Key/value pairs of column names and value to compare with
	 * @return \Aimeos\Base\DB\Result\Iface Result object
	 */
	public function delete( string $table, array $conditions = [] ) : \Aimeos\Base\DB\Result\Iface
	{
		$sql = 'DELETE FROM ' . $this->qi( $table );

		if( !empty( $conditions ) )
		{
			$where = [];
			$sql .= ' WHERE ';

			foreach( $conditions as $name => $val ) {
				$where[] = $this->qi( $name ) . '=?';
			}

			$sql .= join( ', ', $where );
		}

		$stmt = $this->create( $sql );
		$idx = 0;

		foreach( $conditions as $val ) {
			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
		}

		return $stmt->execute();
	}


	/**
	 * Inserts a record into the given table
	 *
	 * @param string $table Name of the table
	 * @param array $data Key/value pairs of column name/value to insert
	 * @return \Aimeos\Base\DB\Result\Iface Result object
	 */
	public function insert( string $table, array $data ) : \Aimeos\Base\DB\Result\Iface
	{
		if( empty( $data ) ) {
			throw new \Aimeos\Base\DB\Exception( 'Inserting rows requires key/value pairs in second parameter' );
		}

		$cols = [];
		$sql = 'INSERT INTO ' . $this->qi( $table );

		foreach( $data as $name => $val ) {
			$cols[$this->qi( $name )] = '?';
		}

		$sql .= ' (' . join( ', ', array_keys( $cols ) ) . ') VALUES( ' . join( ', ', $cols ) . ')';
		$stmt = $this->create( $sql );
		$idx = 0;

		foreach( $data as $val ) {
			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
		}

		return $stmt->execute();
	}


	/**
	 * Executes a custom SQL query
	 *
	 * @param string $sql Custom SQL statement
	 * @param array $params List of positional parameters
	 * @return \Aimeos\Base\DB\Result\Iface Result object
	 */
	public function query( string $sql, array $params = [] ) : \Aimeos\Base\DB\Result\Iface
	{
		$stmt = $this->create( $sql );
		$idx = 0;

		foreach( $params as $val ) {
			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
		}

		return $stmt->execute();
	}


	/**
	 * Updates the records from the given table
	 *
	 * @param string $table Name of the table
	 * @param array $data Key/value pairs of column name/value to update
	 * @param array $conditions Key/value pairs of column names and value to compare with
	 * @return \Aimeos\Base\DB\Result\Iface Result object
	 */
	public function update( string $table, array $data, array $conditions = [] ) : \Aimeos\Base\DB\Result\Iface
	{
		if( empty( $data ) ) {
			throw new \Aimeos\Base\DB\Exception( 'Updating rows requires key/value pairs in second parameter' );
		}

		$set = $where = [];
		$sql = 'UPDATE ' . $this->qi( $table ) . ' SET ';

		foreach( $data as $name => $val ) {
			$set[] = $this->qi( $name ) . '=?';
		}

		$sql .= join( ', ', $set );

		if( !empty( $conditions ) )
		{
			$sql .= ' WHERE ';

			foreach( $conditions as $name => $val ) {
				$where[] = $this->qi( $name ) . '=?';
			}

			$sql .= join( ', ', $where );
		}

		$stmt = $this->create( $sql );
		$idx = 0;

		foreach( array_merge( $data, $conditions ) as $val ) {
			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
		}

		return $stmt->execute();
	}


	/**
	 * Returns the parameter type for the passed value
	 *
	 * @param mixed $value Parameter value
	 * @return int Parameter type constant
	 */
	protected function getType( $value ) : int
	{
		switch( gettype( $value ) )
		{
			case 'NULL': return \Aimeos\Base\DB\Statement\Base::PARAM_NULL;
			case 'boolean': return \Aimeos\Base\DB\Statement\Base::PARAM_BOOL;
			case 'integer': return \Aimeos\Base\DB\Statement\Base::PARAM_INT;
			case 'double': return \Aimeos\Base\DB\Statement\Base::PARAM_FLOAT;
		}

		return \Aimeos\Base\DB\Statement\Base::PARAM_STR;
	}


	/**
	 * Returns a quoted identifier for the passed name
	 *
	 * @param string $name Identifier name
	 * @return string Quoted identifier
	 * @throws \Aimeos\Base\DB\Exception If identifier name already contains an apostroph
	 */
	protected function qi( string $name ) : string
	{
		if( strpos( $name, '"' ) !== false ) {
			throw new \Aimeos\Base\DB\Exception( sprintf( 'Identifier "%1$s"must not contain an apostroph' ) );
		}

		return '"' . $name . '"';
	}
}


1			<?php
2
3			/**
4			* @license LGPLv3, https://opensource.org/licenses/LGPL-3.0
5			* @copyright Aimeos (aimeos.org), 2015-2022
6			* @package Base
7			* @subpackage DB
8			*/
9
10
11			namespace Aimeos\Base\DB\Connection;
12
13
14			/**
15			* Common class for all database connection implementations.
16			*
17			* @package Base
18			* @subpackage DB
19			*/
20			abstract class Base implements Iface
21			{
22			private $params;
23
24
25			/**
26			* Initializes the base class
27			*
28			* @param array $params Connection parameters
29			*/
30			public function __construct( array $params = [] )
31			{
32			$this->params = $params;
33			}
34
35
36			/**
37			* Returns the underlying connection object
38			*
39			* @return mixed Underlying connection object
40			*/
41			abstract public function getRawObject();
42
43
44			/**
45			* Escapes the value if necessary for direct inclusion in SQL statement.
46			*
47			* @param string\|null $data Value to escape or null for no value
48			* @return string Escaped string
49			*/
50			public function escape( string $data = null ) : string
51			{
52			$quoted = $this->getRawObject()->quote( $data );
53
54			if( $quoted[0] === '\'' ) {
55			$quoted = substr( $quoted, 1, strlen( $quoted ) - 2 );
56			}
57
58			return $quoted;
59			}
60
61
62			/**
63			* Returns the connection parameters
64			*
65			* @return array Parameters to connect to the database server
66			*/
67			protected function getParameters() : array
68			{
69			return $this->params;
70			}
71
72
73			/**
74			* Checks if a transaction is currently running
75			*
76			* @return bool True if transaction is currently running, false if not
77			*/
78			public function inTransaction() : bool
79			{
80			return true; // safe default
81			}
82
83
84			/**
85			* Deletes the records from the given table
86			*
87			* @param string $table Name of the table
88			* @param array $conditions Key/value pairs of column names and value to compare with
89			* @return \Aimeos\Base\DB\Result\Iface Result object
90			*/
91			public function delete( string $table, array $conditions = [] ) : \Aimeos\Base\DB\Result\Iface
92			{
93			$sql = 'DELETE FROM ' . $this->qi( $table );
94
95			if( !empty( $conditions ) )
96			{
97			$where = [];
98			$sql .= ' WHERE ';
99
100			foreach( $conditions as $name => $val ) {
101			$where[] = $this->qi( $name ) . '=?';
102			}
103
104			$sql .= join( ', ', $where );
105			}
106
107			$stmt = $this->create( $sql );
108			$idx = 0;
109
110			foreach( $conditions as $val ) {
111			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
112			}
113
114			return $stmt->execute();
115			}
116
117
118			/**
119			* Inserts a record into the given table
120			*
121			* @param string $table Name of the table
122			* @param array $data Key/value pairs of column name/value to insert
123			* @return \Aimeos\Base\DB\Result\Iface Result object
124			*/
125			public function insert( string $table, array $data ) : \Aimeos\Base\DB\Result\Iface
126			{
127			if( empty( $data ) ) {
128			throw new \Aimeos\Base\DB\Exception( 'Inserting rows requires key/value pairs in second parameter' );
129			}
130
131			$cols = [];
132			$sql = 'INSERT INTO ' . $this->qi( $table );
133
134			foreach( $data as $name => $val ) {
135			$cols[$this->qi( $name )] = '?';
136			}
137
138			$sql .= ' (' . join( ', ', array_keys( $cols ) ) . ') VALUES( ' . join( ', ', $cols ) . ')';
139			$stmt = $this->create( $sql );
140			$idx = 0;
141
142			foreach( $data as $val ) {
143			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
144			}
145
146			return $stmt->execute();
147			}
148
149
150			/**
151			* Executes a custom SQL query
152			*
153			* @param string $sql Custom SQL statement
154			* @param array $params List of positional parameters
155			* @return \Aimeos\Base\DB\Result\Iface Result object
156			*/
157			public function query( string $sql, array $params = [] ) : \Aimeos\Base\DB\Result\Iface
158			{
159			$stmt = $this->create( $sql );
160			$idx = 0;
161
162			foreach( $params as $val ) {
163			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
164			}
165
166			return $stmt->execute();
167			}
168
169
170			/**
171			* Updates the records from the given table
172			*
173			* @param string $table Name of the table
174			* @param array $data Key/value pairs of column name/value to update
175			* @param array $conditions Key/value pairs of column names and value to compare with
176			* @return \Aimeos\Base\DB\Result\Iface Result object
177			*/
178			public function update( string $table, array $data, array $conditions = [] ) : \Aimeos\Base\DB\Result\Iface
179			{
180			if( empty( $data ) ) {
181			throw new \Aimeos\Base\DB\Exception( 'Updating rows requires key/value pairs in second parameter' );
182			}
183
184			$set = $where = [];
185			$sql = 'UPDATE ' . $this->qi( $table ) . ' SET ';
186
187			foreach( $data as $name => $val ) {
188			$set[] = $this->qi( $name ) . '=?';
189			}
190
191			$sql .= join( ', ', $set );
192
193			if( !empty( $conditions ) )
194			{
195			$sql .= ' WHERE ';
196
197			foreach( $conditions as $name => $val ) {
198			$where[] = $this->qi( $name ) . '=?';
199			}
200
201			$sql .= join( ', ', $where );
202			}
203
204			$stmt = $this->create( $sql );
205			$idx = 0;
206
207			foreach( array_merge( $data, $conditions ) as $val ) {
208			$stmt->bind( ++$idx, $val, $this->getType( $val ) );
209			}
210
211			return $stmt->execute();
212			}
213
214
215			/**
216			* Returns the parameter type for the passed value
217			*
218			* @param mixed $value Parameter value
219			* @return int Parameter type constant
220			*/
221			protected function getType( $value ) : int
222			{
223			switch( gettype( $value ) )
224			{
225			case 'NULL': return \Aimeos\Base\DB\Statement\Base::PARAM_NULL;
226			case 'boolean': return \Aimeos\Base\DB\Statement\Base::PARAM_BOOL;
227			case 'integer': return \Aimeos\Base\DB\Statement\Base::PARAM_INT;
228			case 'double': return \Aimeos\Base\DB\Statement\Base::PARAM_FLOAT;
229			}
230
231			return \Aimeos\Base\DB\Statement\Base::PARAM_STR;
232			}
233
234
235			/**
236			* Returns a quoted identifier for the passed name
237			*
238			* @param string $name Identifier name
239			* @return string Quoted identifier
240			* @throws \Aimeos\Base\DB\Exception If identifier name already contains an apostroph
241			*/
242			protected function qi( string $name ) : string
243			{
244			if( strpos( $name, '"' ) !== false ) {
245			throw new \Aimeos\Base\DB\Exception( sprintf( 'Identifier "%1$s"must not contain an apostroph' ) );
246			}
247
248			return '"' . $name . '"';
249			}
250			}
251

aimeos / aimeos-base

Push — master ( 5e32c8...fdcb24 )

Base::delete() A

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