Begin restoring mods. Now they are readed and saved to db

(backup_ids) in serialized form.

diff --git a/backup/restore_execute.html b/backup/restore_execute.html
index 45b9ea3542172550728a3dc4c13e74edc3c421e3..9b11d106dfcd642647966435b3799a4e1f2b1b32 100644 (file)
--- a/backup/restore_execute.html
+++ b/backup/restore_execute.html
@@ -156,6 +156,16 @@
         }       
     }
 
+    //Now create course modules as needed
+    if ($status) {
+        echo "<li>Creating Course Modules";
+        $status = restore_create_modules($restore,$xml_file);
+        //If all is ok (and we have a counter)
+        if ($status and ($status !== true)) {   
+            //Inform about modules restores
+        }
+    }
+
     
 
 

diff --git a/backup/restorelib.php b/backup/restorelib.php
index 5922b388571658e486d1b28f3e9778b568dcebee..c256a7b9b3592dfc1ea12920503f3d8844ef501b 100644 (file)
--- a/backup/restorelib.php
+++ b/backup/restorelib.php
@@ -84,6 +84,16 @@
         return $info;
     }
 
+    //This function read the xml file and store its data from the modules in
+    //backup_ids->info
+    function restore_read_xml_modules ($restore,$xml_file) {
+
+        //We call the main read_xml function, with todo = MODULES
+        $info = restore_read_xml ($xml_file,"MODULES",$restore);
+
+        return $info;
+    }
+
     //This function prints the contents from the info parammeter passed
     function restore_print_info ($info) {
 
@@ -421,7 +431,10 @@
             //For each, user, take its info from backup_ids
             foreach ($info->users as $userid) {
                 $rec = backup_getid($restore->backup_unique_code,"user",$userid); 
-                $user = unserialize($rec->info);
+                //First strip slashes 
+                $temp = stripslashes($rec->info);
+                //Now unserialize
+                $user = unserialize($temp);
                 //Calculate if it is a course user
                 //Has role teacher or student or admin or coursecreator
                 $is_course_user = ($user->roles[teacher] or $user->roles[student] or
@@ -631,6 +644,26 @@
     }
    
 
+    //This function creates all the structures for every module in backup file
+    //Depending what has been selected.
+    function restore_create_modules($restore,$xml_file) {
+
+        global $CFG;
+
+        $status = true;
+        //Check it exists
+        if (!file_exists($xml_file)) {
+            $status = false;
+        }
+        //Get info from xml
+        if ($status) {
+            //info will contain the old_id of every module
+            //in backup_ids->info will be the real info (serialized)
+            $info = restore_read_xml_modules($restore,$xml_file);
+        }
+
+    }
+
     //=====================================================================================
     //==                                                                                 ==
     //==                         XML Functions (SAX)                                     ==
@@ -697,6 +730,20 @@
             //    echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;".$tagName."&gt;<br>\n";   //Debug
         }
 
+        //This is the startTag handler we use where we are reading the modules zone (todo="MODULES")
+        function startElementModules($parser, $tagName, $attrs) {
+            //Refresh properties
+            $this->level++;
+            $this->tree[$this->level] = $tagName;
+            //Check if we are into MODULES zone
+            //if ($this->tree[3] == "MODULES")                                                          //Debug
+            //    echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;".$tagName."&gt;<br>\n";   //Debug
+            //If we are under a MOD tag under a MODULES zone, accumule it
+            if (($this->tree[4] == "MOD") and ($this->tree[3] == "MODULES")) {
+                $this->info .= "<".$tagName.">";
+            }
+        }
+
         //This is the startTag default handler we use when todo is undefined
         function startElement($parser, $tagName, $attrs) {
             $this->level++;
@@ -976,8 +1023,13 @@
                     switch ($tagName) {
                         case "USER":
                             //We've finalized a user, get it and save to db
+                            //First serialize
+                            $ser_temp = serialize($this->info->tempuser);
+                            //Now add slashes
+                            $sla_temp = addslashes($ser_temp);
+                            //Save to db
                             backup_putid($this->preferences->backup_unique_code,"user",$this->info->tempuser->id,
-                                          null,serialize($this->info->tempuser));
+                                          null,$sla_temp);
                             //Delete temp obejct
                             unset($this->info->tempuser);
                             break;
@@ -1141,6 +1193,57 @@
             $this->content = "";
         }
 
+        //This is the endTag handler we use where we are reading the modules zone (todo="MODULES")
+        function endElementModules($parser, $tagName) {
+            //Check if we are into MODULES zone
+            if ($this->tree[3] == "MODULES") {
+                //if (trim($this->content))                                                                     //Debug
+                //    echo "C".str_repeat("&nbsp;",($this->level+2)*2).$this->getContents()."<br>\n";           //Debug
+                //echo $this->level.str_repeat("&nbsp;",$this->level*2)."&lt;/".$tagName."&gt;<br>\n";          //Debug
+                //Acumulate data to info (content + close tag)
+                //Reconvert it to utf & htmlchars and trim to generate xml data
+                $this->info .= utf8_encode(htmlspecialchars(trim($this->content)))."</".$tagName.">";
+                //If we've finished a mod, xmlize it an save to db
+                if (($this->level == 4) and ($tagName == "MOD")) {
+                    //Prepend XML standard header to info gathered
+                    $xml_data = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n".$this->info;
+                    //Call to xmlize for this portion of xml data (one MOD)
+                    $data = xmlize($xml_data);
+                    //traverse_xmlize($data);                                                                     //Debug
+                    //print_object ($GLOBALS['traverse_array']);                                                  //Debug
+                    //$GLOBALS['traverse_array']="";                                                              //Debug
+                    //Now, save data to db. We'll use it later
+                    //Get id and modtype from data
+                    $mod_id = $data["MOD"]["#"]["ID"]["0"]["#"];
+                    $mod_type = $data["MOD"]["#"]["MODTYPE"]["0"]["#"];
+                    //Serialize it
+                    $mod_temp = serialize($data);
+                    //Now add slashes
+                    $sla_mod_temp = addslashes($mod_temp);
+                    //Save to db
+                    backup_putid($this->preferences->backup_unique_code,$mod_type,$mod_id,
+                                 null,$sla_mod_temp);
+                    //Reset info to empty
+                    $this->info = "";
+                }
+
+
+
+
+            }
+
+            //Stop parsing if todo = MODULES and tagName = MODULES (en of the tag, of course)
+            //Speed up a lot (avoid parse all)
+            if ($tagName == "MODULES" and $this->level == 3) {
+                $this->finished = true;
+            }
+
+            //Clear things
+            $this->tree[$this->level] = "";
+            $this->level--;
+            $this->content = "";
+        }
+
         //This is the endTag default handler we use when todo is undefined
         function endElement($parser, $tagName) {
             if (trim($this->content))                                                                     //Debug
@@ -1182,6 +1285,9 @@
         } else if ($todo == "USERS") {
             //Define handlers to that zone
             xml_set_element_handler($xml_parser, "startElementUsers", "endElementUsers");
+        } else if ($todo == "MODULES") {
+            //Define handlers to that zone
+            xml_set_element_handler($xml_parser, "startElementModules", "endElementModules");
         } else {
             //Define default handlers (must no be invoked when everything become finished)
             xml_set_element_handler($xml_parser, "startElementInfo", "endElementInfo");