FileBackend::_getExistingPath() - Code Metrics - Inspection of "Added more tests and fixed a little bug in the fil..." - zepi/turbo - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e3b7f5...067cd5 )

by Matthias

created 2015-11-26 09:54 UTC

FileBackend::_getExistingPath() A

↳ Parent: FileBackend

Complexity

Conditions	3
Paths	3

Size

Total Lines	13
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	1

Metric	Value
c	1
b	1
f	1
dl	0
loc	13
rs	9.4286
cc	3
eloc	7
nc	3
nop	1

<?php
/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 zepi
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

/**
 * The FileBackend saves and loads the content in and from a file.
 * 
 * @package Zepi\Turbo\Backend
 * @author Matthias Zobrist <[email protected]>
 * @copyright Copyright (c) 2015 zepi
 */

namespace Zepi\Turbo\Backend;

use \Zepi\Turbo\Exception;

/**
 * The FileBackend saves and loads the content in and from a file.
 * 
 * @author Matthias Zobrist <[email protected]>
 * @copyright Copyright (c) 2015 zepi
 */
class FileBackend
{
    /**
     * @access protected
     * @var string
     */
    protected $_path;
    
    /**
     * Constructs the object
     * 
     * @access public
     * @param string $path
     */
    public function __construct($path)
    {
        $this->_path = $path;
    }
    
    /**
     * Saves the content to the file
     * 
     * @access public
     * @param string $content
     * @param string $additionalPath
     * @return integer
     * 
     * @throws Zepi\Turbo\Exception The file "$path" isn't writable!
     */
    public function saveToFile($content, $additionalPath = '')
    {
        $path = $this->_realPath($additionalPath);
        
        // If the path does not exists create the directory
        $this->_createTargetDirectory($path);
        
        // If the file exists but isn't writeable we need to throw an exception
        if (file_exists($path) && !is_writable($path)) {
            throw new Exception('The file "' . $path . '" isn\'t writable!');
        }
        
        return file_put_contents($path, $content);
    }
    
    /**
     * Loads the content from the file
     * 
     * @access public
     * @param string $additionalPath
     * @return string
     */
    public function loadFromFile($additionalPath = '')
    {
        $path = $this->_testPath($this->_realPath($additionalPath));
        
        if ($path === false) {
            return '';
        }
        
        return file_get_contents($path);
    }
    
    /**
     * Deletes a file on the hard disk.
     * 
     * @access public
     * @param string $additionalPath
     * @return boolean
     */
    public function deleteFile($additionalPath = '')
    {
        $path = $this->_testPath($this->_realPath($additionalPath));
        
        if ($path === false) {
            return false;
        }
        
        return unlink($path);
    }
    
    /**
     * Returns true if a file or a directory exists and
     * is writable. Otherwise return false.
     * 
     * @access public
     * @param string $additionalPath
     * @return boolean
     */
    public function isWritable($additionalPath = '')
    {
        $path = $this->_realPath($additionalPath);
        
        if ($path === false || !is_writable($path)) {
            return false;
        }
        
        return true;
    }
    
    /**
     * Returns the real path for the given additional path and the
     * file path which was given to the backend in the constructor.
     *
     * @access public
     * @param string $additionalPath
     * @return string
     */
    protected function _realPath($additionalPath)
    {
        if (substr($additionalPath, 0, 1) === '/') {
            $path = $additionalPath;
        } else if ($additionalPath !== '') {
            $path = $this->_path . $additionalPath;
        } else {
            $path = $this->_path;
        }
    
        return $path;
    }
    
    /**
     * If the path exists return the path. Otherwise return false
     * or throw an exception.
     * 
     * @access protected
     * @param string $path
     * @return false|string
     * 
     * @throws \Zepi\Turbo\Exception The file path "{path}" is not readable and not writeable!
     */
    protected function _testPath($path)
    {
        if (!file_exists($path)) {
            return false;
        }
        
        if (!is_readable($path) && !is_writeable($path)) {
            throw new Exception('The file path "' . $path . '" is not readable and not writeable!');
        }
        
        return $path;
    }
    
    /**
     * Creates the target directory
     *
     * @access protected
     * @param string $path
     *
     * @throws \Zepi\Turbo\Exception The directory "{directory}" doesn't exists
     */
    protected function _createTargetDirectory($path)
    {
        $directory = dirname($path);
        if (!file_exists($directory)) {
            if (!is_writeable($this->_getExistingPath($directory))) {
                throw new Exception('The directory "' . $directory . '" isn\'t writeable!');
            }
            
            mkdir($directory, 0755, true);
        }
    }
    
    /**
     * Returns the existing part of a path
     * 
     * @access protected
     * @param string $path
     * @return string
     */
    protected function _getExistingPath($path)
    {
        $numberOfSlashes = substr_count($path, '/');
        $existingPath = $path;
        
        for ($i = 0; $i < $numberOfSlashes; $i++) {
            if (!file_exists($existingPath)) {
                $existingPath = dirname($existingPath);
            }
        }
        
        return $existingPath;
    }
}


1			<?php
2			/*
3			* The MIT License (MIT)
4			*
5			* Copyright (c) 2015 zepi
6			*
7			* Permission is hereby granted, free of charge, to any person obtaining a copy
8			* of this software and associated documentation files (the "Software"), to deal
9			* in the Software without restriction, including without limitation the rights
10			* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11			* copies of the Software, and to permit persons to whom the Software is
12			* furnished to do so, subject to the following conditions:
13			*
14			* The above copyright notice and this permission notice shall be included in
15			* all copies or substantial portions of the Software.
16			*
17			* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18			* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19			* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20			* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21			* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22			* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
23			* THE SOFTWARE.
24			*
25			*/
26
27			/**
28			* The FileBackend saves and loads the content in and from a file.
29			*
30			* @package Zepi\Turbo\Backend
31			* @author Matthias Zobrist <[email protected]>
32			* @copyright Copyright (c) 2015 zepi
33			*/
34
35			namespace Zepi\Turbo\Backend;
36
37			use \Zepi\Turbo\Exception;
38
39			/**
40			* The FileBackend saves and loads the content in and from a file.
41			*
42			* @author Matthias Zobrist <[email protected]>
43			* @copyright Copyright (c) 2015 zepi
44			*/
45			class FileBackend
46			{
47			/**
48			* @access protected
49			* @var string
50			*/
51			protected $_path;
52
53			/**
54			* Constructs the object
55			*
56			* @access public
57			* @param string $path
58			*/
59			public function __construct($path)
60			{
61			$this->_path = $path;
62			}
63
64			/**
65			* Saves the content to the file
66			*
67			* @access public
68			* @param string $content
69			* @param string $additionalPath
70			* @return integer
71			*
72			* @throws Zepi\Turbo\Exception The file "$path" isn't writable!
73			*/
74			public function saveToFile($content, $additionalPath = '')
75			{
76			$path = $this->_realPath($additionalPath);
77
78			// If the path does not exists create the directory
79			$this->_createTargetDirectory($path);
80
81			// If the file exists but isn't writeable we need to throw an exception
82			if (file_exists($path) && !is_writable($path)) {
83			throw new Exception('The file "' . $path . '" isn\'t writable!');
84			}
85
86			return file_put_contents($path, $content);
87			}
88
89			/**
90			* Loads the content from the file
91			*
92			* @access public
93			* @param string $additionalPath
94			* @return string
95			*/
96			public function loadFromFile($additionalPath = '')
97			{
98			$path = $this->_testPath($this->_realPath($additionalPath));
99
100			if ($path === false) {
101			return '';
102			}
103
104			return file_get_contents($path);
105			}
106
107			/**
108			* Deletes a file on the hard disk.
109			*
110			* @access public
111			* @param string $additionalPath
112			* @return boolean
113			*/
114			public function deleteFile($additionalPath = '')
115			{
116			$path = $this->_testPath($this->_realPath($additionalPath));
117
118			if ($path === false) {
119			return false;
120			}
121
122			return unlink($path);
123			}
124
125			/**
126			* Returns true if a file or a directory exists and
127			* is writable. Otherwise return false.
128			*
129			* @access public
130			* @param string $additionalPath
131			* @return boolean
132			*/
133			public function isWritable($additionalPath = '')
134			{
135			$path = $this->_realPath($additionalPath);
136
137			if ($path === false \|\| !is_writable($path)) {
138			return false;
139			}
140
141			return true;
142			}
143
144			/**
145			* Returns the real path for the given additional path and the
146			* file path which was given to the backend in the constructor.
147			*
148			* @access public
149			* @param string $additionalPath
150			* @return string
151			*/
152			protected function _realPath($additionalPath)
153			{
154			if (substr($additionalPath, 0, 1) === '/') {
155			$path = $additionalPath;
156			} else if ($additionalPath !== '') {
157			$path = $this->_path . $additionalPath;
158			} else {
159			$path = $this->_path;
160			}
161
162			return $path;
163			}
164
165			/**
166			* If the path exists return the path. Otherwise return false
167			* or throw an exception.
168			*
169			* @access protected
170			* @param string $path
171			* @return false\|string
172			*
173			* @throws \Zepi\Turbo\Exception The file path "{path}" is not readable and not writeable!
174			*/
175			protected function _testPath($path)
176			{
177			if (!file_exists($path)) {
178			return false;
179			}
180
181			if (!is_readable($path) && !is_writeable($path)) {
182			throw new Exception('The file path "' . $path . '" is not readable and not writeable!');
183			}
184
185			return $path;
186			}
187
188			/**
189			* Creates the target directory
190			*
191			* @access protected
192			* @param string $path
193			*
194			* @throws \Zepi\Turbo\Exception The directory "{directory}" doesn't exists
195			*/
196			protected function _createTargetDirectory($path)
197			{
198			$directory = dirname($path);
199			if (!file_exists($directory)) {
200			if (!is_writeable($this->_getExistingPath($directory))) {
201			throw new Exception('The directory "' . $directory . '" isn\'t writeable!');
202			}
203
204			mkdir($directory, 0755, true);
205			}
206			}
207
208			/**
209			* Returns the existing part of a path
210			*
211			* @access protected
212			* @param string $path
213			* @return string
214			*/
215			protected function _getExistingPath($path)
216			{
217			$numberOfSlashes = substr_count($path, '/');
218			$existingPath = $path;
219
220			for ($i = 0; $i < $numberOfSlashes; $i++) {
221			if (!file_exists($existingPath)) {
222			$existingPath = dirname($existingPath);
223			}
224			}
225
226			return $existingPath;
227			}
228			}
229

zepi / turbo

Push — master ( e3b7f5...067cd5 )

FileBackend::_getExistingPath() A

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