From 6eb52091d83ffe6ab341eef22e689edb6c5162bf Mon Sep 17 00:00:00 2001
From: Carlos Vargas <carlos.vargas@beeznest.com>
Date: Thu, 11 Feb 2010 14:04:43 -0500
Subject: [PATCH] In a special course, upon entering, the students must
 subscribe to the course CT#600

---
 main/course_home/course_home.php | 10 ++++++++++
 main/inc/lib/course.lib.php      | 15 +++++++++++++++
 user_portal.php                  | 20 ++++++++++----------
 3 files changed, 35 insertions(+), 10 deletions(-)

diff --git a/main/course_home/course_home.php b/main/course_home/course_home.php
index 9bfb5cbd41..d91c96c500 100755
--- a/main/course_home/course_home.php
+++ b/main/course_home/course_home.php
@@ -153,6 +153,16 @@ $_course['official_code'] = $course_code;
 
 api_session_unregister('toolgroup');
 
+$is_speacialcourse = CourseManager::is_special_course($course_code);
+
+if ($is_speacialcourse==true){
+	$autoreg=Security::remove_XSS($_GET['autoreg']);
+	if ($autoreg==1){
+		CourseManager::subscribe_user($user_id, $course_code, $status = STUDENT);
+	}
+}
+
+
 /*
 -----------------------------------------------------------
 	Is the user allowed here?
diff --git a/main/inc/lib/course.lib.php b/main/inc/lib/course.lib.php
index da39956276..dcb10261c1 100644
--- a/main/inc/lib/course.lib.php
+++ b/main/inc/lib/course.lib.php
@@ -2179,4 +2179,19 @@ class CourseManager {
 			Database::query($insert_sql,__FILE__,__LINE__);
 		}
 	}
+	public static function is_special_course($course_code){
+		$tbl_course_field_value		= Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
+		$tbl_course_field 			= Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
+		
+		$sql = "SELECT course_code FROM $tbl_course_field_value tcfv INNER JOIN $tbl_course_field tcf ON " .
+				" tcfv.field_id =  tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 AND course_code='$course_code'";	
+
+		$special_course_result = Database::query($sql, __FILE__, __LINE__);
+		
+		$affected_rows = Database::affected_rows();
+		if (!empty($affected_rows)){
+			return true;	
+		}		
+			
+	}
 } //end class CourseManager
diff --git a/user_portal.php b/user_portal.php
index f88fd48998..0b32dd03df 100644
--- a/user_portal.php
+++ b/user_portal.php
@@ -269,16 +269,16 @@ function display_special_courses ($user_id) {
 		$user_id = intval($user_id);
 		$special_course_list = array();
 
-		$tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
-		$tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
-		$tbl_course_field 			= Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
-		$tbl_course_field_value		= Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
-		$tbl_user_course_category   = Database :: get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
+		$tbl_course 				= Database::get_main_table(TABLE_MAIN_COURSE);
+		$tbl_course_user 			= Database::get_main_table(TABLE_MAIN_COURSE_USER);
+		$tbl_course_field 			= Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
+		$tbl_course_field_value		= Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
+		$tbl_user_course_category   = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
 	
 		// get course list auto-register
 		$sql = "SELECT course_code FROM $tbl_course_field_value tcfv INNER JOIN $tbl_course_field tcf ON " .
 				" tcfv.field_id =  tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";	
-								
+
 		$special_course_result = Database::query($sql, __FILE__, __LINE__);					
 		if(Database::num_rows($special_course_result)>0) {
 			$special_course_list = array();
@@ -334,7 +334,7 @@ function display_special_courses ($user_id) {
 
 					$course_visibility = $course['visibility'];
 					if ($course_visibility != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {			
-						$course_title = '<a href="'.api_get_path(WEB_COURSE_PATH).$course['directory'].'/?id_session=0">'.$course['title'].'</a>';			
+						$course_title = '<a href="'.api_get_path(WEB_COURSE_PATH).$course['directory'].'/?id_session=0&amp;autoreg=1">'.$course['title'].'</a>';			
 					} else {
 						$course_title = $course['title']." ".get_lang('CourseClosed');
 					}
@@ -407,9 +407,9 @@ function display_courses($user_id) {
 function display_courses_in_category($user_category_id) {
 	global $_user;
 	// table definitions
-	$TABLECOURS=Database::get_main_table(TABLE_MAIN_COURSE);
-	$TABLECOURSUSER=Database::get_main_table(TABLE_MAIN_COURSE_USER);
-	$TABLE_USER_COURSE_CATEGORY = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);	
+	$TABLECOURS						= Database::get_main_table(TABLE_MAIN_COURSE);
+	$TABLECOURSUSER					= Database::get_main_table(TABLE_MAIN_COURSE_USER);
+	$TABLE_USER_COURSE_CATEGORY 	= Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);	
 	$TABLE_COURSE_FIELD 			= Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
 	$TABLE_COURSE_FIELD_VALUE		= Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);