Backup::perform_backup() - Code Metrics - Inspection of "Add the beginnings of a dedicated page for extensi..." - humanmade/backupwordpress - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#909)

by Paul

created 2016-03-14 15:18 UTC

Backup::perform_backup() B

↳ Parent: Backup

Complexity

Conditions	3
Paths	3

Size

Total Lines	24
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	24
rs	8.9713
cc	3
eloc	9
nc	3
nop	1

<?php

namespace HM\BackUpWordPress;

class Backup {

	private $excludes;
	public $warnings = array();
	public $errors = array();
	private $backup_filename;
	private $database_dump_filename;
	private $backup_filepath = '';
	private $database_dump_filepath = '';
	private $status = null;
	private $type = 'complete';

	public function __construct( $backup_filename, $database_dump_filename = null ) {
		$this->backup_filename = $backup_filename;
		$this->database_dump_filename = $database_dump_filename;
	}

	public function set_type( $type ) {
		$this->type = $type;
	}

	public function set_backup_filename( $filename ) {
		$this->backup_filename = $filename;
	}

	public function set_status( Backup_Status $status ) {
		$this->status = $status;
	}

	public function set_excludes( Excludes $excludes ) {
		$this->excludes = $excludes;
	}

	public function run() {

		Path::get_instance()->cleanup();

		if ( 'file' !== $this->type ) {
			$this->backup_database();
		}

		if ( 'database' !== $this->type ) {
			$this->backup_files();
		}

		Path::get_instance()->cleanup();

	}

	public function backup_database() {

		if ( $this->status ) {
			$this->status->set_status( __( 'Backing up database...', 'backupwordpress' ) );
		}

		$database_backup_engines = apply_filters( 'hmbkp_database_backup_engines', array(
			new Mysqldump_Database_Backup_Engine,
			new IMysqldump_Database_Backup_Engine,
		) );

		// Set the file backup engine settings
		if (  $this->database_dump_filename ) {
			foreach ( $database_backup_engines as &$backup_engine ) {
				$backup_engine->set_backup_filename( $this->database_dump_filename );
			}
		}

		// Dump the database
		$database_dump = $this->perform_backup( $database_backup_engines );

		if ( is_a( $database_dump, __NAMESPACE__ . '\\Backup_Engine' ) ) {
			$this->database_dump_filepath = $database_dump->get_backup_filepath();
		}

		// Fire up the file backup engines
		$file_backup_engines = apply_filters( 'hmbkp_file_backup_engines', array(
			new Zip_File_Backup_Engine,
			new Zip_Archive_File_Backup_Engine,
		) );

		// Set the file backup engine settings
		foreach ( $file_backup_engines as &$backup_engine ) {
			$backup_engine->set_backup_filename( $this->backup_filename );
			$backup_engine->set_excludes( new Excludes( array( '*.zip', 'index.html', '.htaccess', '.*-running', '.files' ) ) );
		}

		// Zip up the database dump
		$root = Path::get_root();
		Path::get_instance()->set_root( Path::get_path() );
		$file_backup = $this->perform_backup( $file_backup_engines );
		Path::get_instance()->set_root( $root );

		if ( is_a( $file_backup, __NAMESPACE__ . '\\Backup_Engine' ) ) {
			$this->backup_filepath = $file_backup->get_backup_filepath();
		}

		// Delete the Database Backup now that we've zipped it up
		if ( file_exists( $this->database_dump_filepath ) ) {
			unlink( $this->database_dump_filepath );
		}

	}

	public function backup_files() {

		if ( $this->status ) {
			$this->status->set_status( __( 'Backing up files...', 'backupwordpress' ) );
		}

		// Fire up the file backup engines
		$backup_engines = apply_filters( 'hmbkp_file_backup_engines', array(
			new Zip_File_Backup_Engine,
			new Zip_Archive_File_Backup_Engine,
		) );

		// Set the file backup engine settings
		foreach ( $backup_engines as &$backup_engine ) {
			$backup_engine->set_backup_filename( $this->backup_filename );
			if ( $this->excludes ) {
				$backup_engine->set_excludes( $this->excludes );
			}
		}

		$file_backup = $this->perform_backup( $backup_engines );

		if ( is_a( $file_backup, __NAMESPACE__ . '\\Backup_Engine' ) ) {
			$this->backup_filepath = $file_backup->get_backup_filepath();
		}

	}

	/**
	 * Perform the backup by iterating through each Backup_Engine in turn until
	 * we find one which works. If a backup filename or any excludes have been
	 * set then those are passed to each Backup_Engine.
	 */
	public function perform_backup( array $backup_engines ) {


		foreach ( $backup_engines as $backup_engine ) {

			/**
			 * If the backup_engine completes the backup then we
			 * clear any errors or warnings from previously failed backup_engines
			 * and return the successful one.
			 */
			if ( $backup_engine->backup() ) {
				$this->errors = array();
				$this->warnings = $backup_engine->get_warnings();
				return $backup_engine;
			}

			// Store all the errors and warnings as they are shown if all engines fail
			$this->warnings = array_merge( $this->warnings, $backup_engine->get_warnings() );
			$this->errors   = array_merge( $this->errors, $backup_engine->get_errors() );

		}

		return false;

	}

	public function get_warnings() {
		return $this->warnings;
	}

	public function get_errors() {
		return $this->errors;
	}

	/**
	 * Add an warning to the errors warnings.
	 *
	 * A warning is always treat as non-fatal and should only be used for recoverable
	 * issues with the backup process.
	 *
	 * @param  string $context The context for the warning.
	 * @param  string $error   The warning that was encountered.
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
	 */
	public function warning( $context, $warning ) {

		if ( empty( $context ) || empty( $warning ) ) {
			return;
		}

		// Ensure we don't store duplicate warnings by md5'ing the error as the key
		$this->warnings[ $context ][ md5( implode( ':', (array) $warning ) ) ] = $warning;

	}

	/**
	 * Back compat with old error method
	 *
	 * Only the backup engines themselves can fire fatal errors
	 *
	 * @deprecated 3.4 Backup->warning( $context, $warning )
	 */
	public function error( $context, $message ) {
		_deprecated_function( __FUNCTION__, '3.4', 'Backup->warning( $context, $warning )' );
		$this->warning( $context, $message );
	}

	public function get_database_backup_filepath() {
		return $this->database_dump_filepath;
	}

	public function get_backup_filepath() {
		return $this->backup_filepath;
	}

	/**
	 * Back compat with old method name
	 *
	 * @see Backup::get_backup_filepath()
	 * @deprecated 3.4 Use Backup::get_backup_filepath()
	 */
	public function get_archive_filepath() {
		_deprecated_function( __FUNCTION__, '3.4', 'get_backup_filepath()' );
		return $this->get_backup_filepath();
	}
}


1		<?php
2
3		namespace HM\BackUpWordPress;
4
5		class Backup {
6
7		private $excludes;
8		public $warnings = array();
9		public $errors = array();
10		private $backup_filename;
11		private $database_dump_filename;
12		private $backup_filepath = '';
13		private $database_dump_filepath = '';
14		private $status = null;
15		private $type = 'complete';
16
17		public function __construct( $backup_filename, $database_dump_filename = null ) {
18		$this->backup_filename = $backup_filename;
19		$this->database_dump_filename = $database_dump_filename;
20		}
21
22		public function set_type( $type ) {
23		$this->type = $type;
24		}
25
26		public function set_backup_filename( $filename ) {
27		$this->backup_filename = $filename;
28		}
29
30		public function set_status( Backup_Status $status ) {
31		$this->status = $status;
32		}
33
34		public function set_excludes( Excludes $excludes ) {
35		$this->excludes = $excludes;
36		}
37
38		public function run() {
39
40		Path::get_instance()->cleanup();
41
42		if ( 'file' !== $this->type ) {
43		$this->backup_database();
44		}
45
46		if ( 'database' !== $this->type ) {
47		$this->backup_files();
48		}
49
50		Path::get_instance()->cleanup();
51
52		}
53
54		public function backup_database() {
55
56		if ( $this->status ) {
57		$this->status->set_status( __( 'Backing up database...', 'backupwordpress' ) );
58		}
59
60		$database_backup_engines = apply_filters( 'hmbkp_database_backup_engines', array(
61		new Mysqldump_Database_Backup_Engine,
62		new IMysqldump_Database_Backup_Engine,
63		) );
64
65		// Set the file backup engine settings
66		if ( $this->database_dump_filename ) {
67		foreach ( $database_backup_engines as &$backup_engine ) {
68		$backup_engine->set_backup_filename( $this->database_dump_filename );
69		}
70		}
71
72		// Dump the database
73		$database_dump = $this->perform_backup( $database_backup_engines );
74
75		if ( is_a( $database_dump, __NAMESPACE__ . '\\Backup_Engine' ) ) {
76		$this->database_dump_filepath = $database_dump->get_backup_filepath();
77		}
78
79		// Fire up the file backup engines
80		$file_backup_engines = apply_filters( 'hmbkp_file_backup_engines', array(
81		new Zip_File_Backup_Engine,
82		new Zip_Archive_File_Backup_Engine,
83		) );
84
85		// Set the file backup engine settings
86		foreach ( $file_backup_engines as &$backup_engine ) {
87		$backup_engine->set_backup_filename( $this->backup_filename );
88		$backup_engine->set_excludes( new Excludes( array( '.zip', 'index.html', '.htaccess', '.-running', '.files' ) ) );
89		}
90
91		// Zip up the database dump
92		$root = Path::get_root();
93		Path::get_instance()->set_root( Path::get_path() );
94		$file_backup = $this->perform_backup( $file_backup_engines );
95		Path::get_instance()->set_root( $root );
96
97		if ( is_a( $file_backup, __NAMESPACE__ . '\\Backup_Engine' ) ) {
98		$this->backup_filepath = $file_backup->get_backup_filepath();
99		}
100
101		// Delete the Database Backup now that we've zipped it up
102		if ( file_exists( $this->database_dump_filepath ) ) {
103		unlink( $this->database_dump_filepath );
104		}
105
106		}
107
108		public function backup_files() {
109
110		if ( $this->status ) {
111		$this->status->set_status( __( 'Backing up files...', 'backupwordpress' ) );
112		}
113
114		// Fire up the file backup engines
115		$backup_engines = apply_filters( 'hmbkp_file_backup_engines', array(
116		new Zip_File_Backup_Engine,
117		new Zip_Archive_File_Backup_Engine,
118		) );
119
120		// Set the file backup engine settings
121		foreach ( $backup_engines as &$backup_engine ) {
122		$backup_engine->set_backup_filename( $this->backup_filename );
123		if ( $this->excludes ) {
124		$backup_engine->set_excludes( $this->excludes );
125		}
126		}
127
128		$file_backup = $this->perform_backup( $backup_engines );
129
130		if ( is_a( $file_backup, __NAMESPACE__ . '\\Backup_Engine' ) ) {
131		$this->backup_filepath = $file_backup->get_backup_filepath();
132		}
133
134		}
135
136		/**
137		* Perform the backup by iterating through each Backup_Engine in turn until
138		* we find one which works. If a backup filename or any excludes have been
139		* set then those are passed to each Backup_Engine.
140		*/
141		public function perform_backup( array $backup_engines ) {
		0 ignored issues – show Documentation introduced 2016-01-19 13:21 UTC by Report Bug Copy Issue Report The return type could not be reliably inferred; please add a `@return` annotation. Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a `@return` annotation as described here. Loading history...
142
143		foreach ( $backup_engines as $backup_engine ) {
144
145		/**
146		* If the backup_engine completes the backup then we
147		* clear any errors or warnings from previously failed backup_engines
148		* and return the successful one.
149		*/
150		if ( $backup_engine->backup() ) {
151		$this->errors = array();
152		$this->warnings = $backup_engine->get_warnings();
153		return $backup_engine;
154		}
155
156		// Store all the errors and warnings as they are shown if all engines fail
157		$this->warnings = array_merge( $this->warnings, $backup_engine->get_warnings() );
158		$this->errors = array_merge( $this->errors, $backup_engine->get_errors() );
159
160		}
161
162		return false;
163
164		}
165
166		public function get_warnings() {
167		return $this->warnings;
168		}
169
170		public function get_errors() {
171		return $this->errors;
172		}
173
174		/**
175		* Add an warning to the errors warnings.
176		*
177		* A warning is always treat as non-fatal and should only be used for recoverable
178		* issues with the backup process.
179		*
180		* @param string $context The context for the warning.
181		* @param string $error The warning that was encountered.
		0 ignored issues – show Bug introduced 2016-01-19 13:21 UTC by Report Bug Copy Issue Report There is no parameter named `$error`. Was it maybe removed? This check looks for PHPDoc comments describing methods or function parameters that do not exist on the corresponding method or function. Consider the following example. The parameter `$italy` is not defined by the method `finale(...)`. /** * @param array $germany * @param array $island * @param array $italy */ function finale($germany, $island) { return "2:1"; } The most likely cause is that the parameter was removed, but the annotation was not. Loading history...
182		*/
183	View Code Duplication	public function warning( $context, $warning ) {
184
185		if ( empty( $context ) \|\| empty( $warning ) ) {
186		return;
187		}
188
189		// Ensure we don't store duplicate warnings by md5'ing the error as the key
190		$this->warnings[ $context ][ md5( implode( ':', (array) $warning ) ) ] = $warning;
191
192		}
193
194		/**
195		* Back compat with old error method
196		*
197		* Only the backup engines themselves can fire fatal errors
198		*
199		* @deprecated 3.4 Backup->warning( $context, $warning )
200		*/
201		public function error( $context, $message ) {
202		_deprecated_function( __FUNCTION__, '3.4', 'Backup->warning( $context, $warning )' );
203		$this->warning( $context, $message );
204		}
205
206		public function get_database_backup_filepath() {
207		return $this->database_dump_filepath;
208		}
209
210		public function get_backup_filepath() {
211		return $this->backup_filepath;
212		}
213
214		/**
215		* Back compat with old method name
216		*
217		* @see Backup::get_backup_filepath()
218		* @deprecated 3.4 Use Backup::get_backup_filepath()
219		*/
220		public function get_archive_filepath() {
221		_deprecated_function( __FUNCTION__, '3.4', 'get_backup_filepath()' );
222		return $this->get_backup_filepath();
223		}
224		}
225

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Pull Request — master (#909)

Backup::perform_backup() B

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