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<?php /** * This file is part of course block plugin for dashboard, * it should be required inside dashboard controller for showing it into dashboard interface from plattform * @package chamilo.dashboard * @author Christian Fasanando / /* * required files for getting data / require_once api_get_path(LIBRARY_PATH).'thematic.lib.php'; /* * This class is used like controller for this course block plugin, * the class name must be registered inside path.info file (e.g: controller = "BlockCourse"), so dashboard controller will be instantiate it * @package chamilo.dashboard / class BlockCourse extends Block { private $user_id; private $courses; private $path; private $permission = array(DRH); /* * Constructor / public function __construct ($user_id) { $this->user_id = $user_id; $this->path = 'block_course'; if ($this->is_block_visible_for_user($user_id)) { /if (api_is_platform_admin()) { $this->courses = CourseManager::get_real_course_list(); } else {/ $this->courses = CourseManager::get_courses_followed_by_drh($user_id); //} } } /* * This method check if a user is allowed to see the block inside dashboard interface * @param int User id * @return bool Is block visible for user / public function is_block_visible_for_user($user_id) { $user_info = api_get_user_info($user_id); $user_status = $user_info['status']; $is_block_visible_for_user = false; if (UserManager::is_admin($user_id) \|\| in_array($user_status, $this->permission)) { $is_block_visible_for_user = true; } return $is_block_visible_for_user; } /* * This method return content html containing information about courses and its position for showing it inside dashboard interface * it's important to use the name 'get_block' for beeing used from dashboard controller * @return array column and content html / public function get_block() { global $charset; $column = 2; $data = array(); $content = ''; $data_table = ''; $content = $this->get_content_html(); $html = ' <li class="widget color-green" id="intro"> <div class="widget-head"> <h3>'.get_lang('CoursesInformation').'</h3> <div class="widget-actions"><a onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">'.Display::return_icon('close.gif',get_lang('Close')).'</a></div> </div> <div class="widget-content"> '.$content.' </div> </li> '; $data['column'] = $column; $data['content_html'] = $html; return $data; } /* * This method return a content html, it's used inside get_block method for showing it inside dashboard interface * @return string content html / public function get_content_html() { $course_data = $this->get_course_information_data(); $content = '<div style="margin:10px;">'; $content .= '<h3><font color="#000">'.get_lang('YourCourseList').'</font></h3>'; $data_table = null; if (!empty($course_data)) { $data_table .= '<table class="data_table" width:"95%">'; $data_table .= '<tr> <th>'.get_lang('CourseTitle').'</th> <th width="20%">'.get_lang('NbStudents').'</th> <th width="20%">'.get_lang('AvgTimeSpentInTheCourse').'</th> <th width="20%">'.get_lang('ThematicAdvance').'</th> </tr>'; $i = 1; foreach ($course_data as $course) { if ($i%2 == 0) { $class_tr = 'row_odd'; } else { $class_tr = 'row_even'; } $data_table .= '<tr class="'.$class_tr.'">'; if (!isset($course[2])) { $course[2] = '0:00:00'; } foreach ($course as $cell) { $data_table .= '<td align="right">'.$cell.'</td>'; } $data_table .= '</tr>'; $i++; } $data_table .= '</table>'; } else { $data_table .= get_lang('ThereIsNoInformationAboutYourCourses'); } $content .= $data_table; if (!empty($course_data)) { $content .= '<div style="text-align:right;margin-top:10px;"><a href="'.api_get_path(WEB_CODE_PATH).'mySpace/course.php">'.get_lang('SeeMore').'</a></div>'; } $content .= '</div>'; return $content; } /* * Get number of courses * @return int / function get_number_of_courses() { return count($this->courses); } /* * Get course information data * @return array */ function get_course_information_data() { $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE); $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER); $a_course_students = array(); $course_data = array(); $courses = $this->courses; $thematic = new Thematic(); foreach ($courses as $row_course) { $course_code = $row_course['code']; $avg_assignments_in_course = $avg_messages_in_course = $nb_students_in_course = $avg_progress_in_course = $avg_score_in_course = $avg_time_spent_in_course = $avg_score_in_exercise = 0; // students directly subscribed to the course $sql = "SELECT user_id FROM $tbl_course_user as course_rel_user WHERE course_rel_user.status=".STUDENT." AND course_rel_user.course_code='$course_code'"; $rs = Database::query($sql); $users = array(); while ($row = Database::fetch_array($rs)) { $users[] = $row['user_id']; } if (count($users) > 0) { $nb_students_in_course = count($users); $avg_time_spent_in_course = api_time_to_hms(Tracking::get_time_spent_on_the_course($users, $course_code)/$nb_students_in_course); } else { $avg_time_spent_in_course = null; } $tematic_advance_progress = 0; $tematic_advance = $thematic->get_total_average_of_thematic_advances($course_code, 0); if (!empty($tematic_advance)) { $tematic_advance_progress = '<a title="'.get_lang('GoToThematicAdvance').'" href="'.api_get_path(WEB_CODE_PATH).'course_progress/index.php?cidReq='.$course_code.'&action=thematic_details">'.$tematic_advance.'%</a>'; } else { $tematic_advance_progress = '0%'; } $table_row = array(); $table_row[] = $row_course['title']; $table_row[] = $nb_students_in_course; $table_row[] = $avg_time_spent_in_course; $table_row[] = $tematic_advance_progress; $course_data[] = $table_row; } return $course_data; } } ?>

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