/**
  * Fills the course database with some required content and example content.
  * @param int Course (int) ID
  * @param string Course directory name (e.g. 'ABC')
  * @param string Language used for content (e.g. 'spanish')
  * @param bool Whether to fill the course with example content
  * @return bool False on error, true otherwise
  * @version 1.2
  * @assert (null, '', '', null) === false
  * @assert (1, 'ABC', null, null) === false
  * @assert (1, 'TEST', 'spanish', true) === true
  */
 public static function fill_db_course($course_id, $course_repository, $language, $fill_with_exemplary_content = null)
 {
     if (is_null($fill_with_exemplary_content)) {
         $fill_with_exemplary_content = api_get_setting('course.example_material_course_creation') != 'false';
     }
     $course_id = intval($course_id);
     if (empty($course_id)) {
         return false;
     }
     $entityManager = Database::getManager();
     $course = $entityManager->getRepository('ChamiloCoreBundle:Course')->find($course_id);
     $tools = array();
     $settingsManager = CourseManager::getCourseSettingsManager();
     $settingsManager->setCourse($course);
     $toolList = CourseManager::getToolList();
     $toolList = $toolList->getTools();
     /** @var Chamilo\CourseBundle\Tool\BaseTool $tool */
     foreach ($toolList as $tool) {
         $visibility = self::string2binary(api_get_setting_in_list('course.active_tools_on_create', $tool->getName()));
         $toolObject = new CTool();
         $toolObject->setName($tool->getName())->setCategory($tool->getCategory())->setLink($tool->getLink())->setImage($tool->getImage())->setVisibility($visibility)->setAdmin(0)->setTarget($tool->getTarget());
         $tools[] = $toolObject;
         $settings = $settingsManager->loadSettings($tool->getName());
         $settingsManager->saveSettings($tool->getName(), $settings);
     }
     $course->setTools($tools);
     $entityManager->persist($course);
     $entityManager->flush($course);
     $courseInfo = api_get_course_info_by_id($course_id);
     $now = api_get_utc_datetime(time());
     $tbl_course_homepage = Database::get_course_table(TABLE_TOOL_LIST);
     $TABLEINTROS = Database::get_course_table(TABLE_TOOL_INTRO);
     $TABLEGROUPCATEGORIES = Database::get_course_table(TABLE_GROUP_CATEGORY);
     $TABLEITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
     $TABLETOOLAGENDA = Database::get_course_table(TABLE_AGENDA);
     $TABLETOOLANNOUNCEMENTS = Database::get_course_table(TABLE_ANNOUNCEMENT);
     $TABLETOOLDOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
     $TABLETOOLLINK = Database::get_course_table(TABLE_LINK);
     $TABLEQUIZ = Database::get_course_table(TABLE_QUIZ_TEST);
     $TABLEQUIZQUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
     $TABLEQUIZQUESTIONLIST = Database::get_course_table(TABLE_QUIZ_QUESTION);
     $TABLEQUIZANSWERSLIST = Database::get_course_table(TABLE_QUIZ_ANSWER);
     $TABLESETTING = Database::get_course_table(TABLE_COURSE_SETTING);
     $TABLEFORUMCATEGORIES = Database::get_course_table(TABLE_FORUM_CATEGORY);
     $TABLEFORUMS = Database::get_course_table(TABLE_FORUM);
     $TABLEFORUMTHREADS = Database::get_course_table(TABLE_FORUM_THREAD);
     $TABLEFORUMPOSTS = Database::get_course_table(TABLE_FORUM_POST);
     $TABLEGRADEBOOKCERT = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CERTIFICATE);
     $visible_for_all = 1;
     $visible_for_course_admin = 0;
     $visible_for_platform_admin = 2;
     /*    Course tools  */
     $alert = api_get_setting('exercise.email_alert_manager_on_new_quiz');
     if ($alert === 'true') {
         $defaultEmailExerciseAlert = 1;
     } else {
         $defaultEmailExerciseAlert = 0;
     }
     /* course_setting table (courseinfo tool)   */
     $settings = ['email_alert_manager_on_new_doc' => ['title' => '', 'default' => 0, 'category' => 'work'], 'email_alert_on_new_doc_dropbox' => ['default' => 0, 'category' => 'dropbox'], 'allow_user_edit_agenda' => ['default' => 0, 'category' => 'agenda'], 'allow_user_edit_announcement' => ['default' => 0, 'category' => 'announcement'], 'email_alert_manager_on_new_quiz' => ['default' => $defaultEmailExerciseAlert, 'category' => 'quiz'], 'allow_user_image_forum' => ['default' => 1, 'category' => 'forum'], 'course_theme' => ['default' => '', 'category' => 'theme'], 'allow_learning_path_theme' => ['default' => 1, 'category' => 'theme'], 'allow_open_chat_window' => ['default' => 1, 'category' => 'chat'], 'email_alert_to_teacher_on_new_user_in_course' => ['default' => 0, 'category' => 'registration'], 'allow_user_view_user_list' => ['default' => 1, 'category' => 'user'], 'display_info_advance_inside_homecourse' => ['default' => 1, 'category' => 'thematic_advance'], 'email_alert_students_on_new_homework' => ['default' => 0, 'category' => 'work'], 'enable_lp_auto_launch' => ['default' => 0, 'category' => 'learning_path'], 'pdf_export_watermark_text' => ['default' => '', 'category' => 'learning_path'], 'allow_public_certificates' => ['default' => api_get_setting('course.allow_public_certificates') === 'true' ? 1 : '', 'category' => 'certificates'], 'documents_default_visibility' => ['default' => 'visible', 'category' => 'document']];
     /*$counter = 1;
       foreach ($settings as $variable => $setting) {
           Database::query(
               "INSERT INTO $TABLESETTING (id, c_id, variable, value, category)
                VALUES ($counter, $course_id, '".$variable."', '".$setting['default']."', '".$setting['category']."')"
           );
           $counter++;
       }*/
     /* Course homepage tools for platform admin only */
     /* Group tool */
     Database::query("INSERT INTO {$TABLEGROUPCATEGORIES}  (c_id, id, title , description, max_student, self_reg_allowed, self_unreg_allowed, groups_per_user, display_order)\n             VALUES ({$course_id}, '2', '" . self::lang2db(get_lang('DefaultGroupCategory')) . "', '', '8', '0', '0', '0', '0');");
     /*    Example Material  */
     $language_interface = !empty($language_interface) ? $language_interface : api_get_setting('language.platform_language');
     // Example material should be in the same language as the course is.
     $language_interface_original = $language_interface;
     $now = api_get_utc_datetime();
     $files = [['path' => '/shared_folder', 'title' => get_lang('UserFolders'), 'filetype' => 'folder', 'size' => 0], ['path' => '/chat_files', 'title' => get_lang('ChatFiles'), 'filetype' => 'folder', 'size' => 0]];
     $counter = 1;
     foreach ($files as $file) {
         self::insertDocument($course_id, $counter, $file);
         $counter++;
     }
     $sys_course_path = api_get_path(SYS_COURSE_PATH);
     $perm = api_get_permissions_for_new_directories();
     $perm_file = api_get_permissions_for_new_files();
     $chat_path = $sys_course_path . $course_repository . '/document/chat_files';
     if (!is_dir($chat_path)) {
         @mkdir($chat_path, api_get_permissions_for_new_directories());
     }
     /*    Documents   */
     if ($fill_with_exemplary_content) {
         $files = [['path' => '/images', 'title' => get_lang('Images'), 'filetype' => 'folder', 'size' => 0], ['path' => '/images/gallery', 'title' => get_lang('DefaultCourseImages'), 'filetype' => 'folder', 'size' => 0], ['path' => '/audio', 'title' => get_lang('Audio'), 'filetype' => 'folder', 'size' => 0], ['path' => '/flash', 'title' => get_lang('Flash'), 'filetype' => 'folder', 'size' => 0], ['path' => '/video', 'title' => get_lang('Video'), 'filetype' => 'folder', 'size' => 0], ['path' => '/certificates', 'title' => get_lang('Certificates'), 'filetype' => 'folder', 'size' => 0]];
         foreach ($files as $file) {
             self::insertDocument($course_id, $counter, $file);
             $counter++;
         }
         // FILL THE COURSE DOCUMENT WITH DEFAULT COURSE PICTURES
         $folders_to_copy_from_default_course = array('images', 'audio', 'flash', 'video', 'certificates');
         $default_course_path = api_get_path(SYS_CODE_PATH) . 'default_course_document/';
         $default_document_array = array();
         foreach ($folders_to_copy_from_default_course as $folder) {
             $default_course_folder_path = $default_course_path . $folder . '/';
             $files = self::browse_folders($default_course_folder_path, array(), $folder);
             $sorted_array = self::sort_pictures($files, 'dir');
             $sorted_array = array_merge($sorted_array, self::sort_pictures($files, 'file'));
             $default_document_array[$folder] = $sorted_array;
         }
         //Light protection (adding index.html in every document folder)
         $htmlpage = "<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"utf-8\">\n <title>Not authorized</title>\n  </head>\n  <body>\n  </body>\n</html>";
         $example_cert_id = 0;
         if (is_array($default_document_array) && count($default_document_array) > 0) {
             foreach ($default_document_array as $media_type => $array_media) {
                 $path_documents = "/{$media_type}/";
                 //hack until feature #5242 is implemented
                 if ($media_type == 'images') {
                     $media_type = 'images/gallery';
                     $images_folder = $sys_course_path . $course_repository . "/document/images/";
                     if (!is_dir($images_folder)) {
                         //Creating index.html
                         mkdir($images_folder, $perm);
                         $fd = fopen($images_folder . 'index.html', 'w');
                         fwrite($fd, $htmlpage);
                         @chmod($images_folder . 'index.html', $perm_file);
                     }
                 }
                 $course_documents_folder = $sys_course_path . $course_repository . "/document/{$media_type}/";
                 $default_course_path = api_get_path(SYS_CODE_PATH) . 'default_course_document' . $path_documents;
                 if (!is_dir($course_documents_folder)) {
                     // Creating index.html
                     mkdir($course_documents_folder, $perm);
                     $fd = fopen($course_documents_folder . 'index.html', 'w');
                     fwrite($fd, $htmlpage);
                     @chmod($course_documents_folder . 'index.html', $perm_file);
                 }
                 if (is_array($array_media) && count($array_media) > 0) {
                     foreach ($array_media as $key => $value) {
                         if (isset($value['dir']) && !empty($value['dir'])) {
                             if (!is_dir($course_documents_folder . $value['dir'])) {
                                 //Creating folder
                                 mkdir($course_documents_folder . $value['dir'], $perm);
                                 //Creating index.html (for light protection)
                                 $index_html = $course_documents_folder . $value['dir'] . '/index.html';
                                 $fd = fopen($index_html, 'w');
                                 fwrite($fd, $htmlpage);
                                 @chmod($index_html, $perm_file);
                                 //Inserting folder in the DB
                                 $folder_path = substr($value['dir'], 0, strlen($value['dir']) - 1);
                                 $temp = explode('/', $folder_path);
                                 $title = $temp[count($temp) - 1];
                                 //hack until feature #5242 is implemented
                                 if ($title == 'gallery') {
                                     $title = get_lang('DefaultCourseImages');
                                 }
                                 if ($media_type == 'images/gallery') {
                                     $folder_path = 'gallery/' . $folder_path;
                                 }
                                 Database::query("INSERT INTO {$TABLETOOLDOCUMENT} (c_id, path,title,filetype,size)\n                                        VALUES ({$course_id},'{$path_documents}" . $folder_path . "','" . $title . "','folder','0')");
                                 $image_id = Database::insert_id();
                                 Database::insert($TABLEITEMPROPERTY, ['c_id' => $course_id, 'tool' => 'document', 'insert_user_id' => api_get_user_id(), 'insert_date' => $now, 'lastedit_date' => $now, 'ref' => $image_id, 'lastedit_type' => 'DocumentAdded', 'lastedit_user_id' => api_get_user_id(), 'to_group_id' => null, 'to_user_id' => null, 'visibility' => 0]);
                             }
                         }
                         if (isset($value['file']) && !empty($value['file'])) {
                             if (!file_exists($course_documents_folder . $value['file'])) {
                                 //Copying file
                                 copy($default_course_path . $value['file'], $course_documents_folder . $value['file']);
                                 chmod($course_documents_folder . $value['file'], $perm_file);
                                 //echo $default_course_path.$value['file']; echo ' - '; echo $course_documents_folder.$value['file']; echo '<br />';
                                 $temp = explode('/', $value['file']);
                                 $file_size = filesize($course_documents_folder . $value['file']);
                                 //hack until feature #5242 is implemented
                                 if ($media_type == 'images/gallery') {
                                     $value["file"] = 'gallery/' . $value["file"];
                                 }
                                 //Inserting file in the DB
                                 Database::query("INSERT INTO {$TABLETOOLDOCUMENT} (c_id, path,title,filetype,size)\n                                        VALUES ({$course_id},'{$path_documents}" . $value["file"] . "','" . $temp[count($temp) - 1] . "','file','{$file_size}')");
                                 $image_id = Database::insert_id();
                                 if ($image_id) {
                                     $sql = "UPDATE {$TABLETOOLDOCUMENT} SET id = iid WHERE iid = {$image_id}";
                                     Database::query($sql);
                                     if ($path_documents . $value['file'] == '/certificates/default.html') {
                                         $example_cert_id = $image_id;
                                     }
                                     $docId = Database::insert($TABLEITEMPROPERTY, ['c_id' => $course_id, 'tool' => 'document', 'insert_user_id' => api_get_user_id(), 'insert_date' => $now, 'lastedit_date' => $now, 'ref' => $image_id, 'lastedit_type' => 'DocumentAdded', 'lastedit_user_id' => api_get_user_id(), 'to_group_id' => null, 'to_user_id' => null, 'visibility' => 1]);
                                     if ($docId) {
                                         $sql = "UPDATE {$TABLEITEMPROPERTY} SET id = iid WHERE iid = {$docId}";
                                         Database::query($sql);
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
         $agenda = new Agenda();
         $agenda->setType('course');
         $agenda->set_course($courseInfo);
         $agenda->addEvent($now, $now, 0, get_lang('AgendaCreationTitle'), get_lang('AgendaCreationContenu'));
         /*  Links tool */
         $link = new Link();
         $link->setCourse($courseInfo);
         $links = [['c_id' => $course_id, 'url' => 'http://www.google.com', 'title' => 'Google', 'description' => get_lang('Google'), 'category_id' => 0, 'on_homepage' => 0, 'target' => '_self', 'session_id' => 0], ['c_id' => $course_id, 'url' => 'http://www.wikipedia.org', 'title' => 'Wikipedia', 'description' => get_lang('Wikipedia'), 'category_id' => 0, 'on_homepage' => 0, 'target' => '_self', 'session_id' => 0]];
         foreach ($links as $params) {
             $link->save($params);
         }
         /* Announcement tool */
         AnnouncementManager::add_announcement(get_lang('AnnouncementExampleTitle'), get_lang('AnnouncementEx'), ['everyone' => 'everyone'], null, null, $now);
         $manager = Database::getManager();
         /* Introduction text */
         $intro_text = '<p style="text-align: center;">
                         <img src="' . api_get_path(REL_CODE_PATH) . 'img/mascot.png" alt="Mr. Chamilo" title="Mr. Chamilo" />
                         <h2>' . self::lang2db(get_lang('IntroductionText')) . '</h2>
                      </p>';
         $toolIntro = new Chamilo\CourseBundle\Entity\CToolIntro();
         $toolIntro->setCId($course_id)->setId(TOOL_COURSE_HOMEPAGE)->setSessionId(0)->setIntroText($intro_text);
         $manager->persist($toolIntro);
         $toolIntro = new Chamilo\CourseBundle\Entity\CToolIntro();
         $toolIntro->setCId($course_id)->setId(TOOL_STUDENTPUBLICATION)->setSessionId(0)->setIntroText(get_lang('IntroductionTwo'));
         $manager->persist($toolIntro);
         $toolIntro = new Chamilo\CourseBundle\Entity\CToolIntro();
         $toolIntro->setCId($course_id)->setId(TOOL_WIKI)->setSessionId(0)->setIntroText(get_lang('IntroductionWiki'));
         $manager->persist($toolIntro);
         $manager->flush();
         /*  Exercise tool */
         $exercise = new Exercise($course_id);
         $exercise->exercise = get_lang('ExerciceEx');
         $html = '<table width="100%" border="0" cellpadding="0" cellspacing="0">
                     <tr>
                     <td width="220" valign="top" align="left">
                         <img src="' . api_get_path(WEB_CODE_PATH) . 'default_course_document/images/mr_chamilo/doubts.png">
                     </td>
                     <td valign="top" align="left">' . get_lang('Antique') . '</td></tr>
                 </table>';
         $exercise->type = 1;
         $exercise->setRandom(0);
         $exercise->active = 1;
         $exercise->results_disabled = 0;
         $exercise->description = $html;
         $exercise->save();
         $exercise_id = $exercise->id;
         $question = new MultipleAnswer();
         $question->question = get_lang('SocraticIrony');
         $question->description = get_lang('ManyAnswers');
         $question->weighting = 10;
         $question->position = 1;
         $question->course = $courseInfo;
         $question->save($exercise_id);
         $questionId = $question->id;
         $answer = new Answer($questionId, $courseInfo['real_id']);
         $answer->createAnswer(get_lang('Ridiculise'), 0, get_lang('NoPsychology'), -5, 1);
         $answer->createAnswer(get_lang('AdmitError'), 0, get_lang('NoSeduction'), -5, 2);
         $answer->createAnswer(get_lang('Force'), 1, get_lang('Indeed'), 5, 3);
         $answer->createAnswer(get_lang('Contradiction'), 1, get_lang('NotFalse'), 5, 4);
         $answer->save();
         /* Forum tool */
         require_once api_get_path(SYS_CODE_PATH) . 'forum/forumfunction.inc.php';
         $params = ['forum_category_title' => get_lang('ExampleForumCategory'), 'forum_category_comment' => ''];
         $forumCategoryId = store_forumcategory($params, $courseInfo, false);
         $params = ['forum_category' => $forumCategoryId, 'forum_title' => get_lang('ExampleForum'), 'forum_comment' => '', 'default_view_type_group' => ['default_view_type' => 'flat']];
         $forumId = store_forum($params, $courseInfo, true);
         $forumInfo = get_forum_information($forumId, $courseInfo['real_id']);
         $params = ['post_title' => get_lang('ExampleThread'), 'forum_id' => $forumId, 'post_text' => get_lang('ExampleThreadContent'), 'calification_notebook_title' => '', 'numeric_calification' => '', 'weight_calification' => '', 'forum_category' => $forumCategoryId, 'thread_peer_qualify' => 0];
         store_thread($forumInfo, $params, $courseInfo, false);
         /* Gradebook tool */
         $course_code = $courseInfo['code'];
         // father gradebook
         $gradebookCategory = new Chamilo\CoreBundle\Entity\GradebookCategory();
         $gradebookCategory->setName($course_code)->setDescription('')->setUserId(1)->setCourse($course)->setParentId(0)->setWeight(100)->setVisible(0)->setCertifMinScore(75)->setSessionId(null)->setDocumentId($example_cert_id);
         $manager->persist($gradebookCategory);
         $manager->flush();
         $gbid = $gradebookCategory->getId();
         $gradebookCategory = new Chamilo\CoreBundle\Entity\GradebookCategory();
         $gradebookCategory->setName($course_code)->setDescription('')->setUserId(1)->setCourse($course)->setParentId($gbid)->setWeight(100)->setVisible(1)->setCertifMinScore(75)->setSessionId(null)->setDocumentId($example_cert_id);
         $manager->persist($gradebookCategory);
         $manager->flush();
         $gbid = $gradebookCategory->getId();
         $createdAt = new DateTime(api_get_utc_datetime(), new DateTimeZone('UTC'));
         $gradebookLink = new \Chamilo\CoreBundle\Entity\GradebookLink();
         $gradebookLink->setType(1)->setRefId($exercise_id)->setUserId(1)->setCourse($course)->setCategoryId($gbid)->setCreatedAt($createdAt)->setWeight(100)->setVisible(1)->setLocked(0);
         $manager->persist($gradebookLink);
         $manager->flush();
     }
     //Installing plugins in course
     $app_plugin = new AppPlugin();
     $app_plugin->install_course_plugins($course_id);
     $language_interface = $language_interface_original;
     return true;
 }
 /**
  * Insert this link into the database
  */
 public function add()
 {
     $this->add_linked_data();
     if (isset($this->type) && isset($this->ref_id) && isset($this->user_id) && isset($this->course_code) && isset($this->category) && isset($this->weight) && isset($this->visible)) {
         $em = Database::getManager();
         $row_testing = $em->createQuery('
                 SELECT COUNT(gl) FROM ChamiloCoreBundle:GradebookLink gl
                 WHERE gl.refId = :reference AND gl.categoryId = :category AND
                     gl.course = :course AND gl.type = :type
             ')->setParameters(['reference' => $this->get_ref_id(), 'category' => $this->category->get_id(), 'course' => $this->course_id, 'type' => $this->type])->getSingleScalarResult();
         if ($row_testing == 0) {
             $createdAt = new DateTime(api_get_utc_datetime(), new DateTimeZone('UTC'));
             $course = $em->find('ChamiloCoreBundle:Course', $this->course_id);
             $gradebookLink = new \Chamilo\CoreBundle\Entity\GradebookLink();
             $gradebookLink->setType($this->get_type())->setRefId($this->get_ref_id())->setUserId($this->get_user_id())->setCourse($course)->setCategoryId($this->get_category_id())->setWeight($this->get_weight())->setVisible($this->is_visible())->setCreatedAt($createdAt)->setLocked(0);
             $em->persist($gradebookLink);
             $em->flush();
             $inserted_id = $gradebookLink->getId();
             $this->set_id($inserted_id);
             return $inserted_id;
         }
     }
     return false;
 }