DatabaseOperationsTrait::lastInserId() - Code Metrics - Inspection of "Fix scrut bugs" - phpMv/ubiquity - Measure and Improve Code Quality continuously with Scrutinizer

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by Jean-Christophe

created 2019-07-31 13:07 UTC

DatabaseOperationsTrait::lastInserId() A

↳ Parent: DatabaseOperationsTrait

Complexity

Conditions	1
Paths	1

Size

Total Lines	2
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes

Metric	Value
eloc	1
dl	0
loc	2
ccs	2
cts	2
cp	1
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
crap	1

<?php

namespace Ubiquity\db\traits;

use Ubiquity\log\Logger;
use Ubiquity\cache\database\DbCache;
use Ubiquity\exceptions\CacheException;

/**
 * Ubiquity\db\traits$DatabaseOperationsTrait
 * This class is part of Ubiquity
 *
 * @author jcheron <[email protected]>
 * @version 1.0.2
 * @property \PDO $pdoObject
 * @property mixed $cache
 * @property array $options
 */
trait DatabaseOperationsTrait {
	private $statements = [ ];
	private $updateStatements = [ ];

	abstract public function getDSN();

	public function getPdoObject() {
		return $this->pdoObject;
	}

	public function _connect() {
		$this->options [\PDO::ATTR_ERRMODE] = \PDO::ERRMODE_EXCEPTION;
		$this->pdoObject = new \PDO ( $this->getDSN (), $this->user, $this->password, $this->options );
	}

	/**
	 * Executes an SQL statement, returning a result set as a PDOStatement object
	 *
	 * @param string $sql
	 * @return \PDOStatement|boolean
	 */
	public function query($sql) {
		return $this->pdoObject->query ( $sql );
	}

	/**
	 *
	 * @param string $tableName
	 * @param string $condition
	 * @param array|string $fields
	 * @param array $parameters
	 * @param boolean|null $useCache
	 * @return array
	 */
	public function prepareAndExecute($tableName, $condition, $fields, $parameters = null, $useCache = NULL) {
		$cache = ((DbCache::$active && $useCache !== false) || (! DbCache::$active && $useCache === true));
		$result = false;
		if ($cache) {
			$cKey = $condition;
			if (is_array ( $parameters )) {
				$cKey .= implode ( ",", $parameters );
			}
			try {
				$result = $this->cache->fetch ( $tableName, $cKey );
				Logger::info ( "Cache", "fetching cache for table {$tableName} with condition : {$condition}", "Database::prepareAndExecute", $parameters );
			} catch ( \Exception $e ) {
				throw new CacheException ( "Cache is not created in Database constructor" );
			}
		}
		if ($result === false) {
			$result = $this->prepareAndFetchAll ( "SELECT {$fields} FROM `" . $tableName . "`" . $condition, $parameters );
			if ($cache) {
				$this->cache->store ( $tableName, $cKey, $result );
			}
		}
		return $result;
	}

	public function prepareAndFetchAll($sql, $parameters = null, $mode = null) {
		$statement = $this->getStatement ( $sql );
		if ($statement->execute ( $parameters )) {
			Logger::info ( "Database", $sql, "prepareAndFetchAll", $parameters );
			return $statement->fetchAll ( $mode );
		}
		return false;
	}

	public function prepareAndFetchOne($sql, $parameters = null, $mode = null) {
		$statement = $this->getStatement ( $sql );
		if ($statement->execute ( $parameters )) {
			Logger::info ( "Database", $sql, "prepareAndFetchOne", $parameters );
			return $statement->fetch ( $mode );
		}
		return false;
	}

	public function prepareAndFetchAllColumn($sql, $parameters = null, $column = null) {
		$statement = $this->getStatement ( $sql );
		if ($statement->execute ( $parameters )) {
			Logger::info ( "Database", $sql, "prepareAndFetchAllColumn", $parameters );
			return $statement->fetchAll ( \PDO::FETCH_COLUMN, $column );
		}
		return false;
	}

	public function prepareAndFetchColumn($sql, $parameters = null, $columnNumber = null) {
		$statement = $this->getStatement ( $sql );
		if ($statement->execute ( $parameters )) {
			Logger::info ( "Database", $sql, "prepareAndFetchColumn", $parameters );
			return $statement->fetchColumn ( $columnNumber );
		}
		return false;
	}

	/**
	 *
	 * @param string $sql
	 * @return \PDOStatement
	 */
	private function getStatement($sql) {
		if (! isset ( $this->statements [$sql] )) {
			$this->statements [$sql] = $this->pdoObject->prepare ( $sql );
			$this->statements [$sql]->setFetchMode ( \PDO::FETCH_ASSOC );
		}
		return $this->statements [$sql];
	}

	/**
	 *
	 * @param string $sql
	 * @return \PDOStatement
	 */
	private function getUpdateStatement($sql) {
		if (! isset ( $this->updateStatements [$sql] )) {
			$this->updateStatements [$sql] = $this->pdoObject->prepare ( $sql );
		}
		return $this->updateStatements [$sql];
	}

	/**
	 * Prepares a statement and execute a query for update (INSERT, UPDATE, DELETE...)
	 *
	 * @param string $sql
	 * @param array|null $parameters
	 * @return boolean
	 */
	public function prepareAndExecuteUpdate($sql, $parameters = null) {
		return $this->getUpdateStatement ( $sql )->execute ( $parameters );
	}

	/**
	 * Execute an SQL statement and return the number of affected rows (INSERT, UPDATE or DELETE)
	 *
	 * @param string $sql
	 * @return int the number of rows that were modified or deleted by the SQL statement you issued
	 */
	public function execute($sql) {
		return $this->pdoObject->exec ( $sql );
	}

	/**
	 * Prepares a statement for execution and returns a statement object
	 *
	 * @param String $sql
	 * @return \PDOStatement|boolean
	 */
	public function prepareStatement($sql) {
		return $this->pdoObject->prepare ( $sql );
	}

	/**
	 * Sets $value to $parameter
	 *
	 * @param \PDOStatement $statement
	 * @param String $parameter
	 * @param mixed $value
	 * @return boolean
	 */
	public function bindValueFromStatement(\PDOStatement $statement, $parameter, $value) {
		return $statement->bindValue ( ":" . $parameter, $value );
	}

	/**
	 * Returns the last insert id
	 *
	 * @return string
	 */
	public function lastInserId() {
		return $this->pdoObject->lastInsertId ();
	}

	public function getTablesName() {
		$sql = 'SHOW TABLES';
		$query = $this->pdoObject->query ( $sql );
		return $query->fetchAll ( \PDO::FETCH_COLUMN );
	}

	/**
	 * Returns the number of records in $tableName that respects the condition passed as a parameter
	 *
	 * @param string $tableName
	 * @param string $condition Part following the WHERE of an SQL statement
	 */
	public function count($tableName, $condition = '') {
		if ($condition != '')
			$condition = " WHERE " . $condition;
		return $this->query ( "SELECT COUNT(*) FROM " . $tableName . $condition )->fetchColumn ();
	}

	public function queryColumn($query, $columnNumber = null) {
		return $this->query ( $query )->fetchColumn ( $columnNumber );
	}

	public function fetchAll($query) {
		return $this->query ( $query )->fetchAll ();
	}

	public function isConnected() {
		return ($this->pdoObject !== null && $this->pdoObject instanceof \PDO && $this->ping ());
	}

	public function ping() {
		return ($this->pdoObject && 1 === intval ( $this->pdoObject->query ( 'SELECT 1' )->fetchColumn ( 0 ) ));
	}
}



1		<?php
2
3		namespace Ubiquity\db\traits;
4
5		use Ubiquity\log\Logger;
6		use Ubiquity\cache\database\DbCache;
7		use Ubiquity\exceptions\CacheException;
8
9		/**
10		* Ubiquity\db\traits$DatabaseOperationsTrait
11		* This class is part of Ubiquity
12		*
13		* @author jcheron <[email protected]>
14		* @version 1.0.2
15		* @property \PDO $pdoObject
16		* @property mixed $cache
17		* @property array $options
18		*/
19		trait DatabaseOperationsTrait {
20		private $statements = [ ];
21		private $updateStatements = [ ];
22
23		abstract public function getDSN();
24
25	2	public function getPdoObject() {
26	2	return $this->pdoObject;
27		}
28
29	84	public function _connect() {
30	84	$this->options [\PDO::ATTR_ERRMODE] = \PDO::ERRMODE_EXCEPTION;
31	84	$this->pdoObject = new \PDO ( $this->getDSN (), $this->user, $this->password, $this->options );
32	84	}
33
34		/**
35		* Executes an SQL statement, returning a result set as a PDOStatement object
36		*
37		* @param string $sql
38		* @return \PDOStatement\|boolean
39		*/
40	7	public function query($sql) {
41	7	return $this->pdoObject->query ( $sql );
42		}
43
44		/**
45		*
46		* @param string $tableName
47		* @param string $condition
48		* @param array\|string $fields
49		* @param array $parameters
50		* @param boolean\|null $useCache
51		* @return array
52		*/
53	60	public function prepareAndExecute($tableName, $condition, $fields, $parameters = null, $useCache = NULL) {
54	60	$cache = ((DbCache::$active && $useCache !== false) \|\| (! DbCache::$active && $useCache === true));
55	60	$result = false;
56	60	if ($cache) {
57	18	$cKey = $condition;
58	18	if (is_array ( $parameters )) {
59	15	$cKey .= implode ( ",", $parameters );
60		}
61		try {
62	18	$result = $this->cache->fetch ( $tableName, $cKey );
63	17	Logger::info ( "Cache", "fetching cache for table {$tableName} with condition : {$condition}", "Database::prepareAndExecute", $parameters );
64	1	} catch ( \Exception $e ) {
65		throw new CacheException ( "Cache is not created in Database constructor" );
66		}
67		}
68	60	if ($result === false) {
69	58	$result = $this->prepareAndFetchAll ( "SELECT {$fields} FROM `" . $tableName . "`" . $condition, $parameters );
70	58	if ($cache) {
71	15	$this->cache->store ( $tableName, $cKey, $result );
72		}
73		}
74	60	return $result;
75		}
76
77	59	public function prepareAndFetchAll($sql, $parameters = null, $mode = null) {
78	59	$statement = $this->getStatement ( $sql );
79	59	if ($statement->execute ( $parameters )) {
80	59	Logger::info ( "Database", $sql, "prepareAndFetchAll", $parameters );
81	59	return $statement->fetchAll ( $mode );
82		}
83		return false;
84		}
85
86		public function prepareAndFetchOne($sql, $parameters = null, $mode = null) {
87		$statement = $this->getStatement ( $sql );
88		if ($statement->execute ( $parameters )) {
89		Logger::info ( "Database", $sql, "prepareAndFetchOne", $parameters );
90		return $statement->fetch ( $mode );
91		}
92		return false;
93		}
94
95	1	public function prepareAndFetchAllColumn($sql, $parameters = null, $column = null) {
96	1	$statement = $this->getStatement ( $sql );
97	1	if ($statement->execute ( $parameters )) {
98	1	Logger::info ( "Database", $sql, "prepareAndFetchAllColumn", $parameters );
99	1	return $statement->fetchAll ( \PDO::FETCH_COLUMN, $column );
100		}
101		return false;
102		}
103
104	24	public function prepareAndFetchColumn($sql, $parameters = null, $columnNumber = null) {
105	24	$statement = $this->getStatement ( $sql );
106	24	if ($statement->execute ( $parameters )) {
107	24	Logger::info ( "Database", $sql, "prepareAndFetchColumn", $parameters );
108	24	return $statement->fetchColumn ( $columnNumber );
109		}
110		return false;
111		}
112
113		/**
114		*
115		* @param string $sql
116		* @return \PDOStatement
117		*/
118	70	private function getStatement($sql) {
119	70	if (! isset ( $this->statements [$sql] )) {
120	70	$this->statements [$sql] = $this->pdoObject->prepare ( $sql );
121	70	$this->statements [$sql]->setFetchMode ( \PDO::FETCH_ASSOC );
122		}
123	70	return $this->statements [$sql];
124		}
125
126		/**
127		*
128		* @param string $sql
129		* @return \PDOStatement
130		*/
131		private function getUpdateStatement($sql) {
132		if (! isset ( $this->updateStatements [$sql] )) {
133		$this->updateStatements [$sql] = $this->pdoObject->prepare ( $sql );
134		}
135		return $this->updateStatements [$sql];
136		}
137
138		/**
139		* Prepares a statement and execute a query for update (INSERT, UPDATE, DELETE...)
140		*
141		* @param string $sql
142		* @param array\|null $parameters
143		* @return boolean
144		*/
145		public function prepareAndExecuteUpdate($sql, $parameters = null) {
146		return $this->getUpdateStatement ( $sql )->execute ( $parameters );
147		}
148
149		/**
150		* Execute an SQL statement and return the number of affected rows (INSERT, UPDATE or DELETE)
151		*
152		* @param string $sql
153		* @return int the number of rows that were modified or deleted by the SQL statement you issued
154		*/
155	2	public function execute($sql) {
156	2	return $this->pdoObject->exec ( $sql );
157		}
158
159		/**
160		* Prepares a statement for execution and returns a statement object
161		*
162		* @param String $sql
163		* @return \PDOStatement\|boolean
164		*/
165	16	public function prepareStatement($sql) {
166	16	return $this->pdoObject->prepare ( $sql );
167		}
168
169		/**
170		* Sets $value to $parameter
171		*
172		* @param \PDOStatement $statement
173		* @param String $parameter
174		* @param mixed $value
175		* @return boolean
176		*/
177	1	public function bindValueFromStatement(\PDOStatement $statement, $parameter, $value) {
178	1	return $statement->bindValue ( ":" . $parameter, $value );
179		}
180
181		/**
182		* Returns the last insert id
183		*
184		* @return string
185		*/
186	12	public function lastInserId() {
187	12	return $this->pdoObject->lastInsertId ();
188		}
189
190	4	public function getTablesName() {
191	4	$sql = 'SHOW TABLES';
192	4	$query = $this->pdoObject->query ( $sql );
193	4	return $query->fetchAll ( \PDO::FETCH_COLUMN );
194		}
195
196		/**
197		* Returns the number of records in $tableName that respects the condition passed as a parameter
198		*
199		* @param string $tableName
200		* @param string $condition Part following the WHERE of an SQL statement
201		*/
202	1	public function count($tableName, $condition = '') {
203	1	if ($condition != '')
204	1	$condition = " WHERE " . $condition;
205	1	return $this->query ( "SELECT COUNT(*) FROM " . $tableName . $condition )->fetchColumn ();
206		}
207
208	4	public function queryColumn($query, $columnNumber = null) {
209	4	return $this->query ( $query )->fetchColumn ( $columnNumber );
210		}
211
212	1	public function fetchAll($query) {
213	1	return $this->query ( $query )->fetchAll ();
214		}
215
216	19	public function isConnected() {
217	19	return ($this->pdoObject !== null && $this->pdoObject instanceof \PDO && $this->ping ());
218		}
219
220	5	public function ping() {
221	5	return ($this->pdoObject && 1 === intval ( $this->pdoObject->query ( 'SELECT 1' )->fetchColumn ( 0 ) ));
222		}
223		}
224
225

phpMv / ubiquity

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DatabaseOperationsTrait::lastInserId() A

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