http://atutor.ca/atutor/mantis/view.php?id=4574

[acontent.git] / docs / home / editor / editor_tab_functions.inc.php

diff --git a/docs/home/editor/editor_tab_functions.inc.php b/docs/home/editor/editor_tab_functions.inc.php
index 4347b00..58e8c62 100644 (file)
--- a/docs/home/editor/editor_tab_functions.inc.php
+++ b/docs/home/editor/editor_tab_functions.inc.php
@@ -83,6 +83,73 @@ function isValidURL($url) {
     return false;
 }
 
+/*
+ * Parse the primary resources out of the content and save into db.
+ * Clean up the removed primary resources from db.
+ * @param: $cid: content id
+ * @param: $content
+ * @return: none
+ */
+function populate_a4a($cid, $content, $formatting){
+       global $db, $my_files;
+       
+    include_once(AT_INCLUDE_PATH.'classes/A4a/A4a.class.php');
+       include_once(AT_INCLUDE_PATH.'classes/XML/XML_HTMLSax/XML_HTMLSax.php');        /* for XML_HTMLSax */
+       include_once(AT_INCLUDE_PATH.'classes/ContentOutputParser.class.php');  /* for parser */
+       
+       $body = format_content($content, $formatting,array());
+    
+       $handler = new ContentOutputParser();
+       $parser = new XML_HTMLSax();
+       $parser->set_object($handler);
+       $parser->set_element_handler('openHandler','closeHandler');
+       
+       $my_files               = array();
+       $parser->parse($body);
+       $my_files = array_unique($my_files);
+       
+       foreach ($my_files as $file) {
+               /* filter out full urls */
+               $url_parts = @parse_url($file);
+               
+               // file should be relative to content
+               if ((substr($file, 0, 1) == '/')) {
+                       continue;
+               }
+               
+               // The URL of the movie from youtube.com has been converted above in embed_media().
+               // For example:  http://www.youtube.com/watch?v=a0ryB0m0MiM is converted to
+               // http://www.youtube.com/v/a0ryB0m0MiM to make it playable. This creates the problem
+               // that the parsed-out url (http://www.youtube.com/v/a0ryB0m0MiM) does not match with
+               // the URL saved in content table (http://www.youtube.com/watch?v=a0ryB0m0MiM).
+               // The code below is to convert the URL back to original.
+               $file = convertYoutubePlayURLToWatchURL($file);
+               
+               $resources[] = convertAmp($file);  // converts & to &
+       }
+    
+    if (count($resources) == 0) return;
+
+    $a4a = new A4a($cid);
+    $db_primary_resources = $a4a->getPrimaryResources();
+    
+    // clean up the removed resources
+    foreach ($db_primary_resources  as $primary_rid=>$db_resource){
+        //if this file from our table is not found in the $resource, then it's not used.
+        if(in_array($db_resource['resource'], $resources)===false){
+            $a4a->deletePrimaryResource($primary_rid);
+        }
+    }
+
+       // insert the new resources
+    foreach($resources as $primary_resource)
+       {
+               if (!$a4a->getPrimaryResourceByName($primary_resource)){
+                       $a4a->setPrimaryResource($cid, $primary_resource, $_SESSION['lang']);
+               }
+       }
+}
+
 // save all changes to the DB
 function save_changes($redir, $current_tab) {
        global $contentManager, $addslashes, $msg, $_course_id, $_content_id;
@@ -124,6 +191,7 @@ function save_changes($redir, $current_tab) {
 //     }
                
 //     if (!$msg->containsErrors()) {
+        $orig_body_text = $_POST['body_text'];  // used to populate a4a tables
 //             $_POST['title']                 = $addslashes($_POST['title']);
 //             $_POST['body_text']             = $addslashes($_POST['body_text']);
 //             $_POST['head']                  = $addslashes($_POST['head']);
@@ -155,6 +223,8 @@ function save_changes($redir, $current_tab) {
                        $_POST['_cid']    = $cid;
                        $_REQUEST['_cid'] = $cid;
                }
+        // re-populate a4a tables based on the new content
+               populate_a4a($cid, $orig_body_text, $_POST['formatting']);
                if ($cid == 0) return;
 //     }