[svn r10098] new class presentation.class.php to manage ppt2lp

main/newscorm/learnpath.class.php

@@ -717,11 +717,11 @@ class learnpath {
     					"'local','')";
 
     			//if($this->debug>2){error_log('New LP - Inserting new lp '.$sql_insert,0);}
-
+				
     			$res_insert = api_sql_query($sql_insert);
 
 				$id = Database::get_last_insert_id();
-
+				
 				if($id>0){
 
 					return $id;
@@ -2010,7 +2010,7 @@ class learnpath {
 
      }
 	/**
-	 * Returns the package type ('scorm','aicc','scorm2004','dokeos',...)
+	 * Returns the package type ('scorm','aicc','scorm2004','dokeos','ppt'...)
 	 * 
 	 * Generally, the package provided is in the form of a zip file, so the function
 	 * has been written to test a zip file. If not a zip, the function will return the
@@ -2026,6 +2026,12 @@ class learnpath {
 		$file_info = pathinfo($file_name);
 		$filename = $file_info['basename'];//name including extension
 		$extension = $file_info['extension'];//extension only
+		
+		if(in_array($extension,array('ppt','odp')))
+		{
+			return 'ppt';
+		}
+		
 		$file_base_name = str_replace('.'.$extension,'',$filename); //filename without its extension
 	
 		$zipFile = new pclZip($file_path);

main/newscorm/lp_upload.php

@@ -77,6 +77,12 @@ if ($_SERVER['REQUEST_METHOD'] == 'POST'
 			$oAICC->set_proximity($proximity);
 			$oAICC->set_maker($maker);
 			$oAICC->set_jslib('aicc_api.php');
+			break;
+		case 'ppt':
+			require_once('presentation.class.php');
+			$o_ppt = new presentation();
+			$o_ppt -> convert_presentation($_FILES['user_file']);
+				
 			break;
 		case '':
 		default:

main/newscorm/presentation.class.php

@@ -0,0 +1,97 @@
+<?php //$id:$
+/**
+ * Defines the AICC class, which is meant to contain the aicc items (nuclear elements)
+ * @package dokeos.learnpath.aicc
+ * @author	Yannick Warnier <ywarnier@beeznest.org>
+ * @license	GNU/GPL - See Dokeos license directory for details
+ */
+/**
+ * Defines the "aicc" child of class "learnpath"
+ * @package dokeos.learnpath.aicc
+ */
+
+class presentation extends learnpath {
+
+	/**
+	 * Class constructor. Based on the parent constructor.
+	 * @param	string	Course code
+	 * @param	integer	Learnpath ID in DB
+	 * @param	integer	User ID
+	 */
+    function presentation($course_code=null,$resource_id=null,$user_id=null) {
+    	if($this->debug>0){error_log('In presentation::presentation()',0);}
+    	if(!empty($course_code) and !empty($resource_id) and !empty($user_id))
+    	{
+    		parent::learnpath($course_code, $resource_id, $user_id);
+    	}else{
+    		//do nothing but still build the presentation object
+    	}
+    }
+    
+    function convert_presentation($file){
+    	
+    	global $_course, $_user;
+    	
+    	
+		// get properties of ppt file
+		$document_datas = DocumentManager::get_all_document_data($_course, $file);
+		$to_group_id = (empty($document_datas['to_group_id'])) ? 0 : $document_datas['to_group_id'];
+		$to_user_id = (empty($document_datas['to_user_id'])) ? null : $document_datas['to_user_id'];
+	
+		//create the directory
+		$added_slash = '/';
+		$dir_name = $added_slash.substr($file['name'], 0, strrpos($file['name'],'.'));
+		$base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
+		$created_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$dir_name);
+		
+		move_uploaded_file($file['tmp_name'],$base_work_dir.$file['name']);
+		$file = $base_work_dir.$file['name'];
+		chmod($file,0777);
+		/*
+		 * exec java application
+		 * the parameters of the program are :
+		 * - javacommand on this server ;
+		 * - host where openoffice is running;
+		 * - port with which openoffice is listening
+		 * - file to convert
+		 * - folder where put the slides
+		 * - ftppassword if required
+		 * The program fills $files with the list of slides created
+		 */
+		$cmd = 'cd '.api_get_path(LIBRARY_PATH).'ppt2png && ./launch_ppt2png.sh java localhost 2002 "'.$file.'" "'.$base_work_dir.$created_dir.'"';
+		
+		chmod ($base_work_dir.$created_dir,0777);
+		
+		$shell = exec($cmd, $files, $return);
+		
+		chmod ($base_work_dir.$created_dir,0744);
+		if($return != 0) { //if the java application returns an error code
+			DocumentManager::delete_document($_course, $dir_name, $base_work_dir);	    	
+	    }
+	    
+	    else {
+			// create lp
+			$learnpath_name = 'lp_';
+			$learnpath_name .= basename($file);
+			$learnpath_name = substr($learnpath_name,0, strrpos($learnpath_name,'.'));
+			
+			$this->lp_id = learnpath::add_lp($_course['id'], $learnpath_name,'','guess','manual');
+			$previous = 0;
+			foreach($files as $file){
+				$document_id = add_document($_course,$created_dir.'/'.$file,'file',filesize($base_work_dir.$created_dir.'/'.$file),$file);
+				if ($document_id){
+					//put the document in item_property update
+					api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',$_SESSION['_uid'],$to_group_id,$to_user_id);
+					
+					$infos = pathinfo($file);
+					$slide_name = substr($infos['basename'],0,strpos($infos['basename'],'.'));
+					$previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, 0);
+					
+				}
+			}
+	    }
+	    
+    }
+		
+}
+?>