Improvements to scorm logging - write file in system's temporary directory in debug mode

main/newscorm/lp_ajax_log.php

@@ -0,0 +1,35 @@
+<?php //$id$
+/**
+ * This script contains the server part of the xajax interaction process. The client part is located
+ * in lp_api.php or other api's.
+ * This script, in particular, enables the process of SCORM messages logging.
+ * It stores the SCORM interaction logs right into a temporary file on disk.
+ * @package chamilo.learnpath
+ * @author Yannick Warnier <ywarnier@beeznest.org>
+ */
+/**
+ * Script
+ */
+//flag to allow for anonymous user - needs to be set before global.inc.php
+$use_anonymous = true;
+// name of the language file that needs to be included
+$language_file[] = 'learnpath';
+require_once('back_compat.inc.php');
+/**
+ * Write a log with the current message
+ * @param   string Message
+ * @param   int    Debug level (if 0, do not log)
+ */
+function lp_ajax_log($msg, $level) {
+    $debug = 0;
+    $return = '';
+    if ($debug>0) {error_log('In log('.$msg.')',0);}
+    if ($level == 0) {error_log('Logging level too low, not writing files in '.__FILE__); return $return;}
+    $msg = str_replace('<br />',"\r\n", $msg);
+    $file = sys_get_temp_dir().DIRECTORY_SEPARATOR.session_id().'.'.date('Ymd').'-'.api_get_user_id().'.scorm.log';
+    $fh = @fopen($file,'a');
+    @fwrite($fh,'['.date('Y-m-d H:m:s').'] '.$msg."\r\n");
+    @fclose($fh);
+    return $return;
+}
+echo lp_ajax_log($_POST['msg'],$_POST['debug']);

main/newscorm/scorm_api.php

@@ -7,7 +7,7 @@
 *   @author   Yannick Warnier <ywarnier@beeznest.org>
 *	@version  v 1.0
 *	@access   public
-*   @package  dokeos.learnpath.scorm
+*   @package  chamilo.learnpath.scorm
 */
 /**
  * This script is divided into three sections.
@@ -1054,14 +1054,24 @@ function dokeos_void_save_asset(myscore,mymax)
  * @param	string	Message to log
  * @param	integer Priority (0 for top priority, 3 for lowest)
  */
-function logit_scorm(message,priority){
-
-	//if(scorm_logs>=priority){
-	if(scorm_logs>priority){ /* fixed see http://support.chamilo.org/issues/370 */
-		if($("#lp_log_name") && $("#log_content")){
-			$("#log_content").append("SCORM: " + message + "<br/>");
-		}
+function logit_scorm(message,priority) {
+    //if(scorm_logs>=priority){
+    if(scorm_logs>priority){ /* fixed see http://support.chamilo.org/issues/370 */
+	if($("#lp_log_name") && $("#log_content")){
+		$("#log_content").append("SCORM: " + message + "<br/>");
 	}
+    }
+    params = {
+	msg: "SCORM: " + message,
+        debug: scorm_logs
+    };
+    $.ajax({
+        type: "POST",
+        data: params,
+        url: "lp_ajax_log.php",
+        dataType: "script",
+        async: true
+    });
 
 }
 /**
@@ -1070,11 +1080,22 @@ function logit_scorm(message,priority){
  * @param	integer Priority (0 for top priority, 3 for lowest)
  */
 function logit_lms(message,priority){
-	if(lms_logs>=priority){
-		if ($("#lp_log_name") && $("#log_content")) {
-			$("#log_content").append("LMS: " + message + "<br />");
-		}
+    if(lms_logs>=priority){
+	if ($("#lp_log_name") && $("#log_content")) {
+		$("#log_content").append("LMS: " + message + "<br />");
 	}
+    }
+    params = {
+	msg: "LMS: " + message,
+        debug: lms_logs
+    };
+    $.ajax({
+        type: "POST",
+        data: params,
+        url: "lp_ajax_log.php",
+        dataType: "script",
+        async: true
+    });
 }
 /**
  * Update the Table Of Contents frame, by changing CSS styles, mostly