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380 lines
15 KiB
380 lines
15 KiB
<?php // $Id: course_edit.php 20441 2009-05-10 07:39:15Z ivantcholakov $
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/* For licensing terms, see /dokeos_license.txt */
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/**
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==============================================================================
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* @package dokeos.admin
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==============================================================================
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*/
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/*
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==============================================================================
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INIT SECTION
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==============================================================================
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*/
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// name of the language file that needs to be included
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$language_file = 'admin';
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$cidReset = true;
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include ('../inc/global.inc.php');
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$this_section=SECTION_PLATFORM_ADMIN;
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api_protect_admin_script();
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include (api_get_path(LIBRARY_PATH).'fileManage.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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$course_table = Database::get_main_table(TABLE_MAIN_COURSE);
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$course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
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$course_code = isset($_GET['course_code']) ? $_GET['course_code'] : $_POST['code'];
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$noPHP_SELF = true;
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$tool_name = get_lang('ModifyCourseInfo');
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$interbreadcrumb[] = array ("url" => 'index.php', "name" => get_lang('PlatformAdmin'));
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$interbreadcrumb[] = array ("url" => "course_list.php", "name" => get_lang('AdminCourses'));
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define('USER_FIELD_TYPE_CHECKBOX', 10);
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/*
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-----------------------------------------------------------
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Libraries
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-----------------------------------------------------------
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*/
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/*
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==============================================================================
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FUNCTIONS
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==============================================================================
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*/
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/*
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==============================================================================
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MAIN CODE
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==============================================================================
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*/
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// Get all course categories
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$table_user = Database :: get_main_table(TABLE_MAIN_USER);
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//Get the course infos
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$sql = "SELECT * FROM $course_table WHERE code='".Database::escape_string($course_code)."'";
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$result = Database::query($sql, __FILE__, __LINE__);
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if (Database::num_rows($result) != 1)
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{
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header('Location: course_list.php');
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exit ();
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}
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$course = Database::fetch_array($result,'ASSOC');
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// Get course teachers
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$table_course_user = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
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$order_clause = api_sort_by_first_name() ? ' ORDER BY firstname, lastname' : ' ORDER BY lastname, firstname';
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$sql = "SELECT user.user_id,lastname,firstname FROM $table_user as user,$table_course_user as course_user WHERE course_user.status='1' AND course_user.user_id=user.user_id AND course_user.course_code='".$course_code."'".$order_clause;
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$res = Database::query($sql,__FILE__,__LINE__);
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$course_teachers = array();
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while($obj = Database::fetch_object($res))
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{
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$course_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
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}
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// Get all possible teachers without the course teachers
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$sql = "SELECT user_id,lastname,firstname FROM $table_user WHERE status='1'".$order_clause;
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$res = Database::query($sql,__FILE__,__LINE__);
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$teachers = array();
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$platform_teachers[0] = '-- '.get_lang('NoManager').' --';
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while($obj = Database::fetch_object($res))
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{
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if(!array_key_exists($obj->user_id,$course_teachers)){
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$teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
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}
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if($course['tutor_name']==$course_teachers[$obj->user_id]){
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$course['tutor_name']=$obj->user_id;
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}
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//We add in the array platform teachers
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$platform_teachers[$obj->user_id] = api_get_person_name($obj->firstname, $obj->lastname);
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}
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//Case where there is no teacher in the course
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if(count($course_teachers)==0){
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$sql='SELECT tutor_name FROM '.$course_table.' WHERE code="'.$course_code.'"';
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$res = Database::query($sql,__FILE__,__LINE__);
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$tutor_name=Database::result($res,0,0);
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$course['tutor_name']=array_search($tutor_name,$platform_teachers);
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}
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// Build the form
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$form = new FormValidator('update_course');
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$form->addElement('hidden','code',$course_code);
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//title
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$form->add_textfield( 'title', get_lang('Title'),true, array ('size' => '60'));
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$form->applyFilter('title','html_filter');
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$form->applyFilter('title','trim');
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// code
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$form->add_textfield('visual_code', get_lang('CourseCode'));
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$form->applyFilter('visual_code','strtoupper');
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$form->applyFilter('visual_code','html_filter');
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//$form->add_textfield('tutor_name', get_lang('CourseTitular'));
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$form->addElement('select', 'tutor_name', get_lang('CourseTitular'), $platform_teachers);
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$form->applyFilter('tutor_name','html_filter');
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//$form->addElement('select', 'course_teachers', get_lang('CourseTeachers'), $teachers, 'multiple=multiple size="4" style="width: 150px;"');
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$group=array();
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$group[] = FormValidator::createElement('select', 'platform_teachers', '', $teachers, 'id="platform_teachers" multiple=multiple size="4" style="width: 150px;"');
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$group[] = FormValidator::createElement('select', 'course_teachers', '', $course_teachers, 'id="course_teachers" multiple=multiple size="4" style="width: 150px;"');
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$element_template = <<<EOT
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<div class="row">
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<div class="label">
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<!-- BEGIN required --><span class="form_required">*</span> <!-- END required -->{label}
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</div>
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<div class="formw" style="display:inline">
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<table cellpadding="0" cellspacing="0">
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<tr>
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<!-- BEGIN error --><span class="form_error">{error}</span><br /><!-- END error --> <td>{element}</td>
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</tr>
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</table>
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</div>
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</div>
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EOT;
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$renderer = $form->defaultRenderer();
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$renderer -> setElementTemplate($element_template, 'group');
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$form -> addGroup($group,'group',get_lang('CourseTeachers'),'</td><td width="80" align="center">'.
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'<input class="arrowr" style="width:30px;height:30px;padding-right:12px" type="button" onclick="moveItem(document.getElementById(\'platform_teachers\'), document.getElementById(\'course_teachers\'))" ><br><br>' .
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'<input class="arrowl" style="width:30px;height:30px;padding-left:13px" type="button" onclick="moveItem(document.getElementById(\'course_teachers\'), document.getElementById(\'platform_teachers\'))" ></td><td>');
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$categories_select = $form->addElement('select', 'category_code', get_lang('CourseFaculty'), $categories);
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CourseManager::select_and_sort_categories($categories_select);
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$form->add_textfield( 'department_name', get_lang('CourseDepartment'), false,array ('size' => '60'));
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$form->applyFilter('department_name','html_filter');
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$form->applyFilter('department_name','trim');
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$form->add_textfield( 'department_url', get_lang('CourseDepartmentURL'),false, array ('size' => '60'));
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$form->applyFilter('department_url','html_filter');
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$form->applyFilter('department_url','trim');
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$form->addElement('select_language', 'course_language', get_lang('CourseLanguage'));
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$form->applyFilter('select_language','html_filter');
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$form->addElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
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$form->addElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
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$form->addElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
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$form->addElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
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$form->addElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
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$form->addElement('radio', 'subscribe', null, get_lang('Denied'), 0);
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$form->addElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
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$form->addElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
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$form->addElement('text','disk_quota',get_lang('CourseQuota'));
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$form->addRule('disk_quota', get_lang('ThisFieldIsRequired'),'required');
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$form->addRule('disk_quota',get_lang('ThisFieldShouldBeNumeric'),'numeric');
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$list_course_extra_field = CourseManager::get_course_extra_field_list($course_code);
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foreach($list_course_extra_field as $extra_field){
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switch($extra_field['field_type']){
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/* case USER_FIELD_TYPE_TEXT:
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case USER_FIELD_TYPE_TEXTAREA:
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case USER_FIELD_TYPE_RADIO: */
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case USER_FIELD_TYPE_CHECKBOX:
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$checked = (array_key_exists('extra_field_value', $extra_field) && $extra_field['extra_field_value'] == 1)? array('checked'=>'checked'): '';
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$form->addElement('hidden', '_extra_'.$extra_field['field_variable'], 0);
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$field_display_text=$extra_field['field_display_text'];
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$form->addElement('checkbox', 'extra_'.$extra_field['field_variable'],get_lang($field_display_text) , get_lang($extra_field['field_default_value']), $checked);
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break;
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/* case USER_FIELD_TYPE_SELECT_MULTIPLE:
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case USER_FIELD_TYPE_DATE:
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case USER_FIELD_TYPE_DATETIME:
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case USER_FIELD_TYPE_DOUBLE_SELECT:
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case USER_FIELD_TYPE_DIVIDER: */
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}
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}
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$form->addElement('style_submit_button', 'button', get_lang('ModifyCourseInfo'),'onclick="valide()"; class="save"');
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// Set some default values
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$course_db_name = $course['db_name'];
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$course['title'] = api_html_entity_decode($course['title'], ENT_QUOTES, $charset);
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$form->setDefaults($course);
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// Validate form
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if( $form->validate())
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{
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$course = $form->getSubmitValues();
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$dbName = $_POST['dbName'];
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$course_code = $course['code'];
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$visual_code = $course['visual_code'];
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// Check if the visual code is already used by *another* course
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$visual_code_is_used = false;
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error_log($visual_code);
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$warn = get_lang('TheFollowingCoursesAlreadyUseThisVisualCode').':';
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if (!empty($visual_code)) {
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$list = CourseManager::get_courses_info_from_visual_code($visual_code);
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foreach ($list as $course_temp) {
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error_log($course_temp['code']);
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if ($course_temp['code'] != $course_code) {
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$visual_code_is_used = true;
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$warn .= ' '.$course_temp['title'].' ('.$course_temp['code'].'),';
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}
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}
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$warn = substr($warn,0,-1);
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}
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// an extra field
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$extras = array();
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foreach($course as $key => $value) {
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if(substr($key,0,6)=='extra_') {
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$extras[substr($key,6)] = $value;
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}
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if(substr($key,0,7)=='_extra_') {
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if(!array_key_exists(substr($key,7), $extras)) $extras[substr($key,7)] = $value;
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}
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}
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$tutor_id = $course['tutor_name'];
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$tutor_name=$platform_teachers[$tutor_id];
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$teachers = $course['group']['course_teachers'];
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$title = $course['title'];
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$category_code = $course['category_code'];
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$department_name = $course['department_name'];
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$department_url = $course['department_url'];
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$course_language = $course['course_language'];
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$disk_quota = $course['disk_quota'];
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$visibility = $course['visibility'];
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$subscribe = $course['subscribe'];
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$unsubscribe = $course['unsubscribe'];
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if (!stristr($department_url, 'http://'))
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{
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$department_url = 'http://'.$department_url;
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}
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$sql = "UPDATE $course_table SET course_language='".Database::escape_string($course_language)."',
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title='".Database::escape_string($title)."',
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category_code='".Database::escape_string($category_code)."',
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tutor_name='".Database::escape_string($tutor_name)."',
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visual_code='".Database::escape_string($visual_code)."',
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department_name='".Database::escape_string($department_name)."',
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department_url='".Database::escape_string($department_url)."',
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disk_quota='".Database::escape_string($disk_quota)."',
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visibility = '".Database::escape_string($visibility)."',
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subscribe = '".Database::escape_string($subscribe)."',
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unsubscribe='".Database::escape_string($unsubscribe)."'
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WHERE code='".Database::escape_string($course_code)."'";
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Database::query($sql, __FILE__, __LINE__);
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//update the extra fields
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if(count($extras) > 0){
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foreach($extras as $key => $value) {
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CourseManager::update_course_extra_field_value($course_code, $key, $value);
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}
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}
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//Delete only teacher relations that doesn't match the selected teachers
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$cond='';
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if(count($teachers)>0){
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foreach($teachers as $key) $cond.=" AND user_id<>'".$key."'";
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}
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$sql='DELETE FROM '.$course_user_table.' WHERE course_code="'.Database::escape_string($course_code).'" AND status="1"'.$cond;
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Database::query($sql, __FILE__, __LINE__);
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if(count($teachers)>0){
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foreach($teachers as $key){
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//We check if the teacher is already subscribed in this course
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$sql_select_teacher = 'SELECT 1 FROM '.$course_user_table.' WHERE user_id = "'.$key.'" AND course_code = "'.$course_code.'"';
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$result = Database::query($sql_select_teacher, __FILE__, __LINE__);
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if(Database::num_rows($result) == 1){
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$sql = 'UPDATE '.$course_user_table.' SET status = "1" WHERE course_code = "'.$course_code.'" AND user_id = "'.$key.'"';
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}
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else{
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$sql = "INSERT INTO ".$course_user_table . " SET
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course_code = '".Database::escape_string($course_code). "',
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user_id = '".$key . "',
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status = '1',
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role = '',
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tutor_id='0',
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sort='0',
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user_course_cat='0'";
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}
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Database::query($sql, __FILE__, __LINE__);
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}
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}
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$sql = "INSERT IGNORE INTO ".$course_user_table . " SET
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course_code = '".Database::escape_string($course_code). "',
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user_id = '".$tutor_id . "',
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status = '1',
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role = '',
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tutor_id='0',
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sort='0',
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user_course_cat='0'";
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Database::query($sql, __FILE__, __LINE__);
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$forum_config_table = Database::get_course_table(TOOL_FORUM_CONFIG_TABLE,$course_db_name);
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$sql = "UPDATE ".$forum_config_table." SET default_lang='".Database::escape_string($course_language)."'";
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if ($visual_code_is_used == true) {
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header('Location: course_list.php?action=show_msg&warn='.urlencode($warn));
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} else {
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header('Location: course_list.php');
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}
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exit ();
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}
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Display::display_header($tool_name);
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echo "<script>
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function moveItem(origin , destination){
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for(var i = 0 ; i<origin.options.length ; i++) {
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if(origin.options[i].selected) {
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destination.options[destination.length] = new Option(origin.options[i].text,origin.options[i].value);
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origin.options[i]=null;
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i = i-1;
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}
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}
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destination.selectedIndex = -1;
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sortOptions(destination.options);
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}
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function sortOptions(options) {
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newOptions = new Array();
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for (i = 0 ; i<options.length ; i++)
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newOptions[i] = options[i];
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newOptions = newOptions.sort(mysort);
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options.length = 0;
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for(i = 0 ; i < newOptions.length ; i++)
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options[i] = newOptions[i];
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}
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function mysort(a, b){
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if(a.text.toLowerCase() > b.text.toLowerCase()){
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return 1;
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}
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if(a.text.toLowerCase() < b.text.toLowerCase()){
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return -1;
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}
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return 0;
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}
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function valide(){
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var options = document.getElementById('course_teachers').options;
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for (i = 0 ; i<options.length ; i++)
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options[i].selected = true;
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document.update_course.submit();
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}
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</script>";
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//api_display_tool_title($tool_name);
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// Display the form
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$form->display();
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/*
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==============================================================================
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FOOTER
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==============================================================================
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*/
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Display :: display_footer();
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?>
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