CourseArchiver::createBackup() - Code Metrics - Inspection of "Update installer bundle, avoid deprecations, add d..." - chamilo/chamilo-lms - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 395485...bbad3a )

by Julito

created 2017-02-02 14:39 UTC

CourseArchiver::createBackup() F

↳ Parent: CourseArchiver

Complexity

Conditions	29
Paths	2048

Size

Total Lines	114
Code Lines	64

Duplication

Lines	40
Ratio	35.09 %

Importance

Changes

Metric	Value
cc	29
eloc	64
nc	2048
nop	1
dl	40
loc	114
rs	2
c	0
b	0
f	0

How to fix Long Method Complexity

<?php
/* For licensing terms, see /license.txt */

namespace Chamilo\CourseBundle\Component\CourseCopy;

use Chamilo\CourseBundle\Component\CourseCopy\Resources\Asset;
use Symfony\Component\Filesystem\Filesystem;

/**
 * Some functions to write a course-object to a zip-file and to read a course-
 * object from such a zip-file.
 * @author Bart Mollet <[email protected]>
 * @package chamilo.backup
 *
 * @todo Use archive-folder of Chamilo?
 */
class CourseArchiver
{
    /**
     * @return string
     */
    public static function getBackupDir()
    {
        return api_get_path(SYS_ARCHIVE_PATH).'course_backups/';
    }

    /**
     * @return string
     */
    public static function createBackupDir()
    {
        $perms = api_get_permissions_for_new_directories();
        $dir = self::getBackupDir();
        $fs = new Filesystem();
        $fs->mkdir($dir, $perms);

        return $dir;
    }

    /**
     * Delete old temp-dirs
     */
    public static function cleanBackupDir()
    {
        $dir = self::getBackupDir();
        if (is_dir($dir)) {
            if ($handle = @ opendir($dir)) {
                while (($file = readdir($handle)) !== false) {
                    if ($file != "." && $file != ".." &&
                        strpos($file, 'CourseArchiver_') === 0 &&
                        is_dir($dir.'/'.$file)
                    ) {
                        rmdirr($dir.'/'.$file);
                    }
                }
                closedir($handle);
            }
        }
    }

    /**
     * Write a course and all its resources to a zip-file.
     * @return string A pointer to the zip-file
     */
    public static function createBackup($course)
    {
        CourseArchiver::cleanBackupDir();
        CourseArchiver::createBackupDir();

        $perm_dirs = api_get_permissions_for_new_directories();
        $backupDirectory = self::getBackupDir();

        // Create a temp directory
        $backup_dir = $backupDirectory . 'CourseArchiver_' . api_get_unique_id() . '/';

        // All course-information will be stored in course_info.dat
        $course_info_file = $backup_dir . 'course_info.dat';

        $user = api_get_user_info();
        $date = new \DateTime(api_get_local_time());
        $zipFileName = $user['user_id'] . '_' . $course->code . '_' . $date->format('Ymd-His') . '.zip';
        $zipFilePath = $backupDirectory. $zipFileName;

        $php_errormsg = '';
        $res = @mkdir($backup_dir, $perm_dirs);
        if ($res === false) {
            //TODO set and handle an error message telling the user to review the permissions on the archive directory
            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini') . ' - This error, occuring because your archive directory will not let this script write data into it, will prevent courses backups to be created', 0);

        }
        // Write the course-object to the file
        $fp = @fopen($course_info_file, 'w');
        if ($fp === false) {
            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);

        }

        $res = @fwrite($fp, base64_encode(serialize($course)));
        if ($res === false) {
            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);

        }

        $res = @fclose($fp);
        if ($res === false) {
            error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);

        }

        // Copy all documents to the temp-dir
        if (isset($course->resources[RESOURCE_DOCUMENT]) && is_array($course->resources[RESOURCE_DOCUMENT])) {
            foreach ($course->resources[RESOURCE_DOCUMENT] as $document) {
                if ($document->file_type == DOCUMENT) {
                    $doc_dir = $backup_dir . $document->path;
                    @mkdir(dirname($doc_dir), $perm_dirs, true);
                    if (file_exists($course->path . $document->path)) {
                        copy($course->path . $document->path, $doc_dir);
                    }
                } else {
                    @mkdir($backup_dir . $document->path, $perm_dirs, true);
                }
            }
        }

        // Copy all scorm documents to the temp-dir
        if (isset($course->resources[RESOURCE_SCORM]) && is_array($course->resources[RESOURCE_SCORM])) {
            foreach ($course->resources[RESOURCE_SCORM] as $document) {
                $doc_dir = dirname($backup_dir . $document->path);
                @mkdir($doc_dir, $perm_dirs, true);
                copyDirTo($course->path . $document->path, $doc_dir, false);
            }
        }

        // Copy calendar attachments.

        if (isset($course->resources[RESOURCE_EVENT]) && is_array($course->resources[RESOURCE_EVENT])) {
            $doc_dir = dirname($backup_dir . '/upload/calendar/');
            @mkdir($doc_dir, $perm_dirs, true);
            copyDirTo($course->path . 'upload/calendar/', $doc_dir, false);
        }

        // Copy Learning path author image.
        if (isset($course->resources[RESOURCE_LEARNPATH]) && is_array($course->resources[RESOURCE_LEARNPATH])) {
            $doc_dir = dirname($backup_dir . '/upload/learning_path/');
            @mkdir($doc_dir, $perm_dirs, true);
            copyDirTo($course->path . 'upload/learning_path/', $doc_dir, false);
        }

        // Copy announcements attachments.
        if (isset($course->resources[RESOURCE_ANNOUNCEMENT]) && is_array($course->resources[RESOURCE_ANNOUNCEMENT])) {
            $doc_dir = dirname($backup_dir . '/upload/announcements/');
            @mkdir($doc_dir, $perm_dirs, true);
            copyDirTo($course->path . 'upload/announcements/', $doc_dir, false);
        }

        // Copy work folders (only folders)
        if (isset($course->resources[RESOURCE_WORK]) && is_array($course->resources[RESOURCE_WORK])) {
            $doc_dir = dirname($backup_dir . '/upload/work/');
            @mkdir($doc_dir, $perm_dirs, true);
            // @todo: adjust to only create subdirs, but not copy files
            copyDirTo($course->path . 'upload/work/', $doc_dir, false);
        }

        if (isset($course->resources[RESOURCE_ASSET]) && is_array($course->resources[RESOURCE_ASSET])) {
            /** @var Asset $asset */
            foreach ($course->resources[RESOURCE_ASSET] as $asset) {
                $doc_dir = $backup_dir . $asset->path;
                @mkdir(dirname($doc_dir), $perm_dirs, true);
                if (file_exists($course->path . $asset->path)) {
                    copy($course->path . $asset->path, $doc_dir);
                }
            }
        }

        // Zip the course-contents
        $zip = new \PclZip($zipFilePath);
        $zip->create($backup_dir, PCLZIP_OPT_REMOVE_PATH, $backup_dir);

        // Remove the temp-dir.
        rmdirr($backup_dir);
        return $zipFileName;
    }

    /**
     * @param int $user_id
     * @return array
     */
    public static function getAvailableBackups($user_id = null)
    {
        $backup_files = array();
        $dirname = self::getBackupDir();
        if ($dir = opendir($dirname)) {
            while (($file = readdir($dir)) !== false) {
                $file_parts = explode('_', $file);
                if (count($file_parts) == 3) {
                    $owner_id = $file_parts[0];
                    $course_code = $file_parts[1];
                    $file_parts = explode('.', $file_parts[2]);
                    $date = $file_parts[0];
                    $ext = isset($file_parts[1]) ? $file_parts[1] : null;
                    if ($ext == 'zip' && ($user_id != null && $owner_id == $user_id || $user_id == null)) {

                        $date = substr($date, 0, 4) . '-' . substr($date, 4, 2) . '-' . substr($date, 6, 2) . ' ' . substr($date, 9, 2) . ':' . substr($date, 11, 2) . ':' . substr($date, 13, 2);
                        $backup_files[] = array(
                            'file' => $file,
                            'date' => $date,
                            'course_code' => $course_code,
                        );
                    }
                }
            }
            closedir($dir);
        }

        return $backup_files;
    }

    /**
     * @param array $file
     * @return bool|string
     */
    public static function importUploadedFile($file)
    {
        $new_filename = uniqid('') . '.zip';
        $new_dir = self::getBackupDir();
        if (!is_dir($new_dir)) {
            $fs = new Filesystem();
            $fs->mkdir($new_dir);
        }
        if (is_dir($new_dir) && is_writable($new_dir)) {
            move_uploaded_file($file, $new_dir.$new_filename);

            return $new_filename;
        }

        return false;
    }

    /**
     * Read a course-object from a zip-file
     * @param string $filename
     * @param boolean $delete Delete the file after reading the course?
     *
     * @return course The course
     * @todo Check if the archive is a correct Chamilo-export
     */
    public static function readCourse($filename, $delete = false)
    {
        CourseArchiver::cleanBackupDir();
        // Create a temp directory
        $tmp_dir_name = 'CourseArchiver_'.uniqid('');
        $unzip_dir = self::getBackupDir().$tmp_dir_name;
        $filePath = self::getBackupDir().$filename;

        @mkdir($unzip_dir, api_get_permissions_for_new_directories(), true);
        @copy(
            $filePath,
            $unzip_dir . '/backup.zip'
        );

        // unzip the archive
        $zip = new \PclZip($unzip_dir . '/backup.zip');
        @chdir($unzip_dir);
        $zip->extract(PCLZIP_OPT_TEMP_FILE_ON);
        // remove the archive-file
        if ($delete) {
            @unlink($filePath);
        }

        // read the course
        if (!is_file('course_info.dat')) {
            return new Course();
        }

        $fp = @fopen('course_info.dat', "r");
        $contents = @fread($fp, filesize('course_info.dat'));
        @fclose($fp);

        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Course', 'Course');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Announcement', 'Announcement');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Attendance', 'Attendance');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CalendarEvent', 'CalendarEvent');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseCopyLearnpath', 'CourseCopyLearnpath');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseCopyTestCategory', 'CourseCopyTestCategory');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseDescription', 'CourseDescription');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseSession', 'CourseSession');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Document', 'Document');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Forum', 'Forum');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumCategory', 'ForumCategory');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumPost', 'ForumPost');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumTopic', 'ForumTopic');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Glossary', 'Glossary');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\GradeBookBackup', 'GradeBookBackup');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Link', 'Link');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\LinkCategory', 'LinkCategory');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Quiz', 'Quiz');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\QuizQuestion', 'QuizQuestion');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\QuizQuestionOption', 'QuizQuestionOption');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ScormDocument', 'ScormDocument');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Survey', 'Survey');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\SurveyInvitation', 'SurveyInvitation');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\SurveyQuestion', 'SurveyQuestion');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Thematic', 'Thematic');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ToolIntro', 'ToolIntro');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Wiki', 'Wiki');
        class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Work', 'Work');

        $course = unserialize(base64_decode($contents));

        if (!in_array(
            get_class($course), ['Course', 'Chamilo\CourseBundle\Component\CourseCopy\Course'])
        ) {
            return new Course();
        }

        $course->backup_path = $unzip_dir;

        return $course;
    }
}


1		<?php
2		/* For licensing terms, see /license.txt */
3
4		namespace Chamilo\CourseBundle\Component\CourseCopy;
5
6		use Chamilo\CourseBundle\Component\CourseCopy\Resources\Asset;
7		use Symfony\Component\Filesystem\Filesystem;
8
9		/**
10		* Some functions to write a course-object to a zip-file and to read a course-
11		* object from such a zip-file.
12		* @author Bart Mollet <[email protected]>
13		* @package chamilo.backup
14		*
15		* @todo Use archive-folder of Chamilo?
16		*/
17		class CourseArchiver
18		{
19		/**
20		* @return string
21		*/
22		public static function getBackupDir()
23		{
24		return api_get_path(SYS_ARCHIVE_PATH).'course_backups/';
25		}
26
27		/**
28		* @return string
29		*/
30		public static function createBackupDir()
31		{
32		$perms = api_get_permissions_for_new_directories();
33		$dir = self::getBackupDir();
34		$fs = new Filesystem();
35		$fs->mkdir($dir, $perms);
36
37		return $dir;
38		}
39
40		/**
41		* Delete old temp-dirs
42		*/
43		public static function cleanBackupDir()
44		{
45		$dir = self::getBackupDir();
46		if (is_dir($dir)) {
47		if ($handle = @ opendir($dir)) {
48		while (($file = readdir($handle)) !== false) {
49		if ($file != "." && $file != ".." &&
50		strpos($file, 'CourseArchiver_') === 0 &&
51		is_dir($dir.'/'.$file)
52		) {
53		rmdirr($dir.'/'.$file);
54		}
55		}
56		closedir($handle);
57		}
58		}
59		}
60
61		/**
62		* Write a course and all its resources to a zip-file.
63		* @return string A pointer to the zip-file
64		*/
65		public static function createBackup($course)
66		{
67		CourseArchiver::cleanBackupDir();
68		CourseArchiver::createBackupDir();
69
70		$perm_dirs = api_get_permissions_for_new_directories();
71		$backupDirectory = self::getBackupDir();
72
73		// Create a temp directory
74		$backup_dir = $backupDirectory . 'CourseArchiver_' . api_get_unique_id() . '/';
75
76		// All course-information will be stored in course_info.dat
77		$course_info_file = $backup_dir . 'course_info.dat';
78
79		$user = api_get_user_info();
80		$date = new \DateTime(api_get_local_time());
81		$zipFileName = $user['user_id'] . '_' . $course->code . '_' . $date->format('Ymd-His') . '.zip';
82		$zipFilePath = $backupDirectory. $zipFileName;
83
84		$php_errormsg = '';
85		$res = @mkdir($backup_dir, $perm_dirs);
86	View Code Duplication	if ($res === false) {
87		//TODO set and handle an error message telling the user to review the permissions on the archive directory
88		error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini') . ' - This error, occuring because your archive directory will not let this script write data into it, will prevent courses backups to be created', 0);
		0 ignored issues – show Bug Best Practice introduced 2016-06-02 15:56 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `ini_get('track_errors')` of type `string` to the boolean `false`. If you are specifically checking for a non-empty string, consider using the more explicit `!== ''` instead. Loading history...
89		}
90		// Write the course-object to the file
91		$fp = @fopen($course_info_file, 'w');
92	View Code Duplication	if ($fp === false) {
93		error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
		0 ignored issues – show Bug Best Practice introduced 2016-02-26 17:07 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `ini_get('track_errors')` of type `string` to the boolean `false`. If you are specifically checking for a non-empty string, consider using the more explicit `!== ''` instead. Loading history...
94		}
95
96		$res = @fwrite($fp, base64_encode(serialize($course)));
97	View Code Duplication	if ($res === false) {
98		error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
		0 ignored issues – show Bug Best Practice introduced 2016-02-26 17:07 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `ini_get('track_errors')` of type `string` to the boolean `false`. If you are specifically checking for a non-empty string, consider using the more explicit `!== ''` instead. Loading history...
99		}
100
101		$res = @fclose($fp);
102	View Code Duplication	if ($res === false) {
103		error_log(__FILE__ . ' line ' . __LINE__ . ': ' . (ini_get('track_errors') != false ? $php_errormsg : 'error not recorded because track_errors is off in your php.ini'), 0);
		0 ignored issues – show Bug Best Practice introduced 2016-02-26 17:07 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `ini_get('track_errors')` of type `string` to the boolean `false`. If you are specifically checking for a non-empty string, consider using the more explicit `!== ''` instead. Loading history...
104		}
105
106		// Copy all documents to the temp-dir
107		if (isset($course->resources[RESOURCE_DOCUMENT]) && is_array($course->resources[RESOURCE_DOCUMENT])) {
108		foreach ($course->resources[RESOURCE_DOCUMENT] as $document) {
109		if ($document->file_type == DOCUMENT) {
110		$doc_dir = $backup_dir . $document->path;
111		@mkdir(dirname($doc_dir), $perm_dirs, true);
112	View Code Duplication	if (file_exists($course->path . $document->path)) {
113		copy($course->path . $document->path, $doc_dir);
114		}
115		} else {
116		@mkdir($backup_dir . $document->path, $perm_dirs, true);
117		}
118		}
119		}
120
121		// Copy all scorm documents to the temp-dir
122		if (isset($course->resources[RESOURCE_SCORM]) && is_array($course->resources[RESOURCE_SCORM])) {
123		foreach ($course->resources[RESOURCE_SCORM] as $document) {
124		$doc_dir = dirname($backup_dir . $document->path);
125		@mkdir($doc_dir, $perm_dirs, true);
126		copyDirTo($course->path . $document->path, $doc_dir, false);
127		}
128		}
129
130		// Copy calendar attachments.
131
132	View Code Duplication	if (isset($course->resources[RESOURCE_EVENT]) && is_array($course->resources[RESOURCE_EVENT])) {
133		$doc_dir = dirname($backup_dir . '/upload/calendar/');
134		@mkdir($doc_dir, $perm_dirs, true);
135		copyDirTo($course->path . 'upload/calendar/', $doc_dir, false);
136		}
137
138		// Copy Learning path author image.
139	View Code Duplication	if (isset($course->resources[RESOURCE_LEARNPATH]) && is_array($course->resources[RESOURCE_LEARNPATH])) {
140		$doc_dir = dirname($backup_dir . '/upload/learning_path/');
141		@mkdir($doc_dir, $perm_dirs, true);
142		copyDirTo($course->path . 'upload/learning_path/', $doc_dir, false);
143		}
144
145		// Copy announcements attachments.
146	View Code Duplication	if (isset($course->resources[RESOURCE_ANNOUNCEMENT]) && is_array($course->resources[RESOURCE_ANNOUNCEMENT])) {
147		$doc_dir = dirname($backup_dir . '/upload/announcements/');
148		@mkdir($doc_dir, $perm_dirs, true);
149		copyDirTo($course->path . 'upload/announcements/', $doc_dir, false);
150		}
151
152		// Copy work folders (only folders)
153	View Code Duplication	if (isset($course->resources[RESOURCE_WORK]) && is_array($course->resources[RESOURCE_WORK])) {
154		$doc_dir = dirname($backup_dir . '/upload/work/');
155		@mkdir($doc_dir, $perm_dirs, true);
156		// @todo: adjust to only create subdirs, but not copy files
157		copyDirTo($course->path . 'upload/work/', $doc_dir, false);
158		}
159
160		if (isset($course->resources[RESOURCE_ASSET]) && is_array($course->resources[RESOURCE_ASSET])) {
161		/** @var Asset $asset */
162		foreach ($course->resources[RESOURCE_ASSET] as $asset) {
163		$doc_dir = $backup_dir . $asset->path;
164		@mkdir(dirname($doc_dir), $perm_dirs, true);
165	View Code Duplication	if (file_exists($course->path . $asset->path)) {
166		copy($course->path . $asset->path, $doc_dir);
167		}
168		}
169		}
170
171		// Zip the course-contents
172		$zip = new \PclZip($zipFilePath);
173		$zip->create($backup_dir, PCLZIP_OPT_REMOVE_PATH, $backup_dir);
174
175		// Remove the temp-dir.
176		rmdirr($backup_dir);
177		return $zipFileName;
178		}
179
180		/**
181		* @param int $user_id
182		* @return array
183		*/
184		public static function getAvailableBackups($user_id = null)
185		{
186		$backup_files = array();
187		$dirname = self::getBackupDir();
188		if ($dir = opendir($dirname)) {
189		while (($file = readdir($dir)) !== false) {
190		$file_parts = explode('_', $file);
191		if (count($file_parts) == 3) {
192		$owner_id = $file_parts[0];
193		$course_code = $file_parts[1];
194		$file_parts = explode('.', $file_parts[2]);
195		$date = $file_parts[0];
196		$ext = isset($file_parts[1]) ? $file_parts[1] : null;
197		if ($ext == 'zip' && ($user_id != null && $owner_id == $user_id \|\| $user_id == null)) {
		0 ignored issues – show Bug Best Practice introduced 2016-02-26 17:07 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `$user_id` of type `integer\|null` against `null`; this is ambiguous if the integer can be zero. Consider using a strict comparison `!==` instead. Loading history... Bug Best Practice introduced 2016-02-26 17:07 UTC by Report Bug Copy Issue Report It seems like you are loosely comparing `$user_id` of type `integer\|null` against `null`; this is ambiguous if the integer can be zero. Consider using a strict comparison `===` instead. Loading history...
198		$date = substr($date, 0, 4) . '-' . substr($date, 4, 2) . '-' . substr($date, 6, 2) . ' ' . substr($date, 9, 2) . ':' . substr($date, 11, 2) . ':' . substr($date, 13, 2);
199		$backup_files[] = array(
200		'file' => $file,
201		'date' => $date,
202		'course_code' => $course_code,
203		);
204		}
205		}
206		}
207		closedir($dir);
208		}
209
210		return $backup_files;
211		}
212
213		/**
214		* @param array $file
215		* @return bool\|string
216		*/
217		public static function importUploadedFile($file)
218		{
219		$new_filename = uniqid('') . '.zip';
220		$new_dir = self::getBackupDir();
221		if (!is_dir($new_dir)) {
222		$fs = new Filesystem();
223		$fs->mkdir($new_dir);
224		}
225		if (is_dir($new_dir) && is_writable($new_dir)) {
226		move_uploaded_file($file, $new_dir.$new_filename);
227
228		return $new_filename;
229		}
230
231		return false;
232		}
233
234		/**
235		* Read a course-object from a zip-file
236		* @param string $filename
237		* @param boolean $delete Delete the file after reading the course?
238		*
239		* @return course The course
240		* @todo Check if the archive is a correct Chamilo-export
241		*/
242		public static function readCourse($filename, $delete = false)
243		{
244		CourseArchiver::cleanBackupDir();
245		// Create a temp directory
246		$tmp_dir_name = 'CourseArchiver_'.uniqid('');
247		$unzip_dir = self::getBackupDir().$tmp_dir_name;
248		$filePath = self::getBackupDir().$filename;
249
250		@mkdir($unzip_dir, api_get_permissions_for_new_directories(), true);
251		@copy(
252		$filePath,
253		$unzip_dir . '/backup.zip'
254		);
255
256		// unzip the archive
257		$zip = new \PclZip($unzip_dir . '/backup.zip');
258		@chdir($unzip_dir);
259		$zip->extract(PCLZIP_OPT_TEMP_FILE_ON);
260		// remove the archive-file
261		if ($delete) {
262		@unlink($filePath);
263		}
264
265		// read the course
266		if (!is_file('course_info.dat')) {
267		return new Course();
268		}
269
270		$fp = @fopen('course_info.dat', "r");
271		$contents = @fread($fp, filesize('course_info.dat'));
272		@fclose($fp);
273
274		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Course', 'Course');
275		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Announcement', 'Announcement');
276		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Attendance', 'Attendance');
277		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CalendarEvent', 'CalendarEvent');
278		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseCopyLearnpath', 'CourseCopyLearnpath');
279		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseCopyTestCategory', 'CourseCopyTestCategory');
280		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseDescription', 'CourseDescription');
281		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\CourseSession', 'CourseSession');
282		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Document', 'Document');
283		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Forum', 'Forum');
284		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumCategory', 'ForumCategory');
285		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumPost', 'ForumPost');
286		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ForumTopic', 'ForumTopic');
287		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Glossary', 'Glossary');
288		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\GradeBookBackup', 'GradeBookBackup');
289		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Link', 'Link');
290		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\LinkCategory', 'LinkCategory');
291		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Quiz', 'Quiz');
292		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\QuizQuestion', 'QuizQuestion');
293		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\QuizQuestionOption', 'QuizQuestionOption');
294		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ScormDocument', 'ScormDocument');
295		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Survey', 'Survey');
296		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\SurveyInvitation', 'SurveyInvitation');
297		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\SurveyQuestion', 'SurveyQuestion');
298		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Thematic', 'Thematic');
299		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\ToolIntro', 'ToolIntro');
300		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Wiki', 'Wiki');
301		class_alias('Chamilo\CourseBundle\Component\CourseCopy\Resources\Work', 'Work');
302
303		$course = unserialize(base64_decode($contents));
304
305		if (!in_array(
306		get_class($course), ['Course', 'Chamilo\CourseBundle\Component\CourseCopy\Course'])
307		) {
308		return new Course();
309		}
310
311		$course->backup_path = $unzip_dir;
312
313		return $course;
314		}
315		}
316

chamilo / chamilo-lms

Push — master ( 395485...bbad3a )

CourseArchiver::createBackup() F

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