[svn r10044] All the new or updated files for the ajax refresh of the time spent in a course

main/inc/course_tracking.js

@@ -0,0 +1,6 @@
+function update_course_tracking(){
+
+	xajax_updateCourseTracking(user_id);
+	
+}
+

main/inc/global.inc.php

@@ -91,6 +91,13 @@ require_once(api_get_path(LIBRARY_PATH).'database.lib.php');
 require_once(api_get_path(LIBRARY_PATH).'display.lib.php');
 require_once(api_get_path(LIBRARY_PATH).'text.lib.php');
 
+//Include the librarie ajax for the course time refresh
+require_once(api_get_path(LIBRARY_PATH)."xajax/xajax.inc.php");
+
+//Include the file for the updateCourseTracking function
+require_once(api_get_path(INCLUDE_PATH)."update_course_tracking.php");
+
+
 
 if(empty($statsDbName) && $already_installed)
 {
@@ -106,6 +113,9 @@ if (! $dbHost)
 	die($error_message);
 }
 
+
+$xajax->processRequests();
+
 unset($error_message);
 
 $selectResult = mysql_select_db($mainDbName,$dokeos_database_connection) or die ('<center>WARNING ! SYSTEM UNABLE TO SELECT THE MAIN DOKEOS DATABASE</center>');
@@ -397,7 +407,7 @@ foreach($language_files as $index => $language_file)
 
 $tbl_track_login = Database :: get_statistic_table(STATISTIC_TRACK_E_LOGIN_TABLE);
 	
-$sql_last_connection="SELECT login_id, login_date FROM $tbl_track_login WHERE login_user_id='".$_SESSION["_uid"]."' ORDER BY login_date DESC LIMIT 0,1";
+$sql_last_connection="SELECT login_id, login_date FROM $tbl_track_login WHERE login_user_id='".$_user["user_id"]."' ORDER BY login_date DESC LIMIT 0,1";
 
 $q_last_connection=mysql_query($sql_last_connection);
 $i_id_last_connection=mysql_result($q_last_connection,0,"login_id");

main/inc/lib/database.lib.php

@@ -67,6 +67,7 @@ define("STATISTIC_TRACK_E_DOWNLOADS_TABLE", "track_e_downloads");
 define("STATISTIC_TRACK_E_LINKS_TABLE", "track_e_links");
 define("STATISTIC_TRACK_E_ONLINE_TABLE", "track_e_online");
 define("STATISTIC_TRACK_E_HOTPOTATOES_TABLE", "track_e_hotpotatoes");
+define("STATISTIC_TRACK_E_COURSE_ACCESS_TABLE", "track_e_course_access");
 //scorm database tables
 define("SCORM_MAIN_TABLE", "scorm_main");
 define("SCORM_SCO_DATA_TABLE", "scorm_sco_data");

main/inc/local.inc.php

@@ -188,6 +188,9 @@ $login = isset($_POST["login"]) ? $_POST["login"] : '';
 		MAIN CODE
 ==============================================================================
 */
+
+
+
 if (isset($_SESSION['_uid']) && $_SESSION['_uid'] && ! ($login || $logout))
 {
     // uid is in session => login already done, continue with this value
@@ -480,7 +483,25 @@ if (isset($cidReset) && $cidReset) // course session data refresh requested or e
 
             api_session_register('_cid');
             api_session_register('_course');
+            
+            //We add a new record in the course tracking table
+            $course_tracking_table = Database :: get_statistic_table(STATISTIC_TRACK_E_COURSE_ACCESS_TABLE);        
+
+            $sql="INSERT INTO $course_tracking_table(course_code, user_id, login_course_date, logout_course_date, counter)" .
+					"VALUES('".$_course['official_code']."', '".$_user['user_id']."', NOW(), NOW(), '1')";
 
+			api_sql_query($sql,__FILE__,__LINE__);
+			
+			if(api_get_setting("Ajax_course_tracking_refresh")!=0){
+			
+				
+				$i_milliseconds_for_refresh=intval(api_get_setting("Ajax_course_tracking_refresh"))*1000;
+				
+				$htmlHeadXtra[] = $xajax->getJavascript(api_get_path(WEB_LIBRARY_PATH).'xajax/');
+				$htmlHeadXtra[] = "<script type=\"text/javascript\">var user_id=".$_user ['user_id'].";</script><script type=\"text/javascript\" src=\"".api_get_path(WEB_CODE_PATH)."inc/course_tracking.js\"></script><script type=\"text/javascript\">window.setInterval('update_course_tracking()',".$i_milliseconds_for_refresh.");</script>";
+				
+			}	
+			
         }
         else
         {
@@ -505,6 +526,32 @@ else // continue with the previous values
 	{
 		$_cid 		= $_SESSION['_cid'   ];
    		$_course    = $_SESSION['_course'];
+   		
+   		$course_tracking_table = Database :: get_statistic_table(STATISTIC_TRACK_E_COURSE_ACCESS_TABLE);
+   		
+   		//We select the last record for the current course in the course tracking table
+   		$sql="SELECT course_access_id FROM $course_tracking_table WHERE user_id='".$_user ['user_id']."' ORDER BY login_course_date DESC LIMIT 0,1";
+   		$result=api_sql_query($sql,__FILE__,__LINE__);
+   		$i_course_access_id = mysql_result($result,0,0);
+
+   		//We update the course tracking table
+   		$sql="UPDATE $course_tracking_table " .
+   				"SET logout_course_date = NOW(), " .
+   					"counter = counter+1 " .
+				"WHERE course_access_id='$i_course_access_id'";
+
+		api_sql_query($sql,__FILE__,__LINE__);
+		
+		if(api_get_setting("Ajax_course_tracking_refresh")!=0){			
+			
+			$i_milliseconds_for_refresh=intval(api_get_setting("Ajax_course_tracking_refresh"))*1000;
+			
+			$htmlHeadXtra[] = $xajax->getJavascript(api_get_path(WEB_LIBRARY_PATH).'xajax/');
+			$htmlHeadXtra[] = "<script type=\"text/javascript\">var user_id=".$_user ['user_id'].";</script><script type=\"text/javascript\" src=\"".api_get_path(WEB_CODE_PATH)."inc/course_tracking.js\"></script><script type=\"text/javascript\">setInterval('update_course_tracking()',".$i_milliseconds_for_refresh.");</script>";
+			
+		}
+	
+   		
 	}
 }
 

main/inc/update_course_tracking.php

@@ -0,0 +1,33 @@
+<?php
+
+
+$xajax = new xajax();
+$xajax->registerFunction("updateCourseTracking");
+
+function updateCourseTracking($i_user_id){
+	
+	$objResponse = new xajaxResponse();
+	
+	
+	
+	$course_tracking_table = Database :: get_statistic_table(STATISTIC_TRACK_E_COURSE_ACCESS_TABLE);
+	
+	//We select the last record for the current course in the course tracking table
+	$sql="SELECT course_access_id FROM $course_tracking_table WHERE user_id='$i_user_id' ORDER BY login_course_date DESC LIMIT 0,1";
+	$result=api_sql_query($sql,__FILE__,__LINE__);
+	$i_course_access_id = mysql_result($result,0,0);
+	
+	//We update the course tracking table
+	$sql="UPDATE $course_tracking_table " .
+			"SET logout_course_date = NOW() " .
+			"WHERE course_access_id='$i_course_access_id'";
+
+	api_sql_query($sql,__FILE__,__LINE__);
+	
+	return $objResponse;
+	
+}
+
+
+
+?>

main/install/dokeos_main.sql

@@ -490,7 +490,8 @@ INSERT INTO `settings_current` VALUES
 (71, 'donotlistcampus', NULL, 'textfield', NULL, 'false', NULL, NULL, NULL, NULL),
 (72, 'show_email_addresses', NULL,'radio','Platform','false','ShowEmailAddresses','ShowEmailAddressesComment',NULL,NULL),
 (73, 'banner', NULL, NULL, 'Plugins', 'messages', '', NULL, NULL, NULL),
-(74,'profile','phone','checkbox','User','true','ProfileChangesTitle','ProfileChangesComment',NULL,'phone');
+(74,'profile','phone','checkbox','User','true','ProfileChangesTitle','ProfileChangesComment',NULL,'phone'),
+(75, 'Ajax_course_tracking_refresh', NULL, 'textfield','Course','60', 'Ajax_course_tracking_refresh','Ajax_course_tracking_refresh_comment', NULL, NULL);
 
 
 

main/install/install_db.inc.php

@@ -396,6 +396,18 @@ mysql_query("CREATE TABLE `track_e_uploads` (
 			PRIMARY KEY  (`upload_id`)
 			) TYPE=MyISAM") or die(mysql_error());
 
+mysql_query("CREATE TABLE `track_e_course_access` (
+			  `course_access_id` int(11) NOT NULL auto_increment,
+			  `course_code` varchar(40) NOT NULL,
+			  `user_id` int(11) NOT NULL,
+			  `login_course_date` datetime NOT NULL default '0000-00-00 00:00:00',
+			  `logout_course_date` datetime default NULL,
+			  `counter` int(11) NOT NULL,
+			  PRIMARY KEY  (`course_access_id`)
+			)"
+) or die(mysql_error());
+
+
 $track_countries_table = "track_c_countries";
 fill_track_countries_table($track_countries_table);