Adding auto insertion of course introduction see BT#7068 only works in page add_courses_to_session.php.

main/admin/add_courses_to_session.php

@@ -137,6 +137,7 @@ if (isset($_POST['formSent']) && $_POST['formSent']) {
 					$nbr_users++;
 				}
 			}
+            SessionManager::installCourse($id_session, $course_info['real_id']);
 			Database::query("UPDATE $tbl_session_rel_course SET nbr_users=$nbr_users WHERE id_session='$id_session' AND course_code='$enreg_course'");
 		}
 	}
@@ -147,6 +148,7 @@ if (isset($_POST['formSent']) && $_POST['formSent']) {
             CourseManager::remove_course_ranking($course_info['real_id'], $id_session);
 			Database::query("DELETE FROM $tbl_session_rel_course WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
 			Database::query("DELETE FROM $tbl_session_rel_course_rel_user WHERE course_code='".$existingCourse['course_code']."' AND id_session=$id_session");
+            SessionManager::unInstallCourse($id_session, $course_info['real_id']);
 
 		}
 	}

main/inc/lib/course_description.lib.php

@@ -27,7 +27,10 @@ class CourseDescription
    	/**
 	 * Constructor
 	 */
-	public function __construct() {}
+	public function __construct()
+    {
+
+    }
 
 	/**
 	 * Returns an array of objects of type CourseDescription corresponding to a specific course, without session ids (session id = 0)
@@ -66,7 +69,8 @@ class CourseDescription
      * first you must set session_id property with the object CourseDescription
      * @return array
      */
-	public function get_description_data() {
+	public function get_description_data()
+    {
 		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
 		$condition_session = api_get_session_condition($this->session_id, true, true);
         $course_id = api_get_course_int_id();
@@ -141,7 +145,6 @@ class CourseDescription
 		return $data;
 	}
 
-   
     public function get_data_by_id($id, $course_code = '', $session_id = null) {
 		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
 		$course_id = api_get_course_int_id();
@@ -191,7 +194,8 @@ class CourseDescription
      * first you must set description_type, title, content, progress and session_id properties with the object CourseDescription
      * @return  int  affected rows
      */
-	public function insert() {
+	public function insert()
+    {
         if (empty($this->course_id)) {
 		    $course_id = api_get_course_int_id();
         } else {
@@ -222,7 +226,8 @@ class CourseDescription
      * @param 	int 	description type
      * @return  int		affected rows
      */
-	public function insert_stats($description_type) {
+	public function insert_stats($description_type)
+    {
 		$tbl_stats_item_property = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ITEM_PROPERTY);
 		$description_id = $this->get_id_by_description_type($description_type);
 		$course_id = api_get_real_course_id();
@@ -248,7 +253,8 @@ class CourseDescription
      * and session_id properties with the object CourseDescription
      * @return int	affected rows
      */
-	public function update() {		
+	public function update()
+    {
 		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
 		$sql = "UPDATE $tbl_course_description SET
 						title       = '".Database::escape_string($this->title)."',
@@ -272,7 +278,8 @@ class CourseDescription
      * Delete a description, first you must set description_type and session_id properties with the object CourseDescription
      * @return int	affected rows
      */
-	public function delete() {
+	public function delete()
+    {
 		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
 		$course_id = api_get_course_int_id();
 		$sql = "DELETE FROM $tbl_course_description WHERE c_id = $course_id AND id = '".intval($this->id)."' AND session_id = '".intval($this->session_id)."'";
@@ -290,7 +297,8 @@ class CourseDescription
 	 * @param int description type
 	 * @return int description id
 	 */
-	public function get_id_by_description_type($description_type) {
+	public function get_id_by_description_type($description_type)
+    {
 		$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
         $course_id = api_get_course_int_id();
 
@@ -335,7 +343,8 @@ class CourseDescription
 	 * Get description titles by default
 	 * @return array
 	 */
-	public function get_default_description_title() {
+	public function get_default_description_title()
+    {
 		$default_description_titles = array();
 		$default_description_titles[1]= get_lang('GeneralDescription');
 		$default_description_titles[2]= get_lang('Objectives');

main/inc/lib/sessionmanager.lib.php

@@ -2810,4 +2810,91 @@ class SessionManager
         }
         return $htmlResult;
     }
+
+    public static function getCourseToolToByManaged()
+    {
+        return array(
+            'courseDescription',
+            'courseIntroduction'
+        );
+    }
+
+
+    /**
+     * @param $sessionId
+     * @param $courseId
+     */
+    public static function installCourse($sessionId, $courseId)
+    {
+        $toolList = self::getCourseToolToByManaged();
+
+        foreach($toolList as $tool) {
+            $method = 'add'.$tool;
+            if (method_exists(get_class(), $method)) {
+                self::$method($sessionId, $courseId);
+            }
+        }
+    }
+
+    /**
+     * @param $sessionId
+     * @param $courseId
+     */
+    public static function unInstallCourse($sessionId, $courseId)
+    {
+        $toolList = self::getCourseToolToByManaged();
+
+        foreach($toolList as $tool) {
+            $method = 'remove'.$tool;
+            if (method_exists(get_class(), $method)) {
+                self::$method($sessionId, $courseId);
+            }
+        }
+    }
+
+    public static function addCourseIntroduction($sessionId, $courseId)
+    {
+        // @todo create a tool intro lib
+        $sessionId = intval($sessionId);
+        $courseId = intval($courseId);
+
+        $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
+        $sql = "SELECT * FROM $TBL_INTRODUCTION WHERE c_id = $courseId";
+        $result = Database::query($sql);
+        $result = Database::store_result($result, 'ASSOC');
+
+        if (!empty($result)) {
+            foreach ($result as $result) {
+                // @todo check if relation exits.
+                $result['session_id'] = $sessionId;
+                Database::insert($TBL_INTRODUCTION, $result);
+            }
+        }
+    }
+
+    public static function removeCourseIntroduction($sessionId, $courseId)
+    {
+        $sessionId = intval($sessionId);
+        $courseId = intval($courseId);
+        $TBL_INTRODUCTION = Database::get_course_table(TABLE_TOOL_INTRO);
+        $sql = "DELETE FROM $TBL_INTRODUCTION WHERE c_id = $courseId AND session_id = $sessionId";
+        Database::query($sql);
+    }
+
+
+    public static function addCourseDescription($sessionId, $courseId)
+    {
+        /*$description = new CourseDescription();
+        $descriptions = $description->get_descriptions($courseId);
+        foreach ($descriptions as $description) {
+        }*/
+    }
+
+    public static function removeCourseDescription($sessionId, $courseId)
+    {
+
+    }
+
+
+
 }