--- a/iro/user.py	Fri Oct 23 01:15:23 2009 +0200
+++ b/iro/user.py	Fri Oct 23 01:37:44 2009 +0200
@@ -10,6 +10,14 @@
 
 #You should have received a copy of the GNU General Public License
 #along with this program; if not, see <http://www.gnu.org/licenses/>.
+
+class NotSupportedFeature (Exception):
+    def __init__(self,name):
+        self.name=name
+    
+    def __str__(self):
+        return ("This is not a supported feature:", self.name)
+
 class User: 
     '''
     class for a xmlrpc user
@@ -17,6 +25,7 @@
     def __init__(self,jobqueue):
         self.jobqueue=jobqueue
         self.jobs={}
+        self.features=["mail", "sms", "fax", ]
 
     def status(self,id=None,detailed=False):
         '''
@@ -53,15 +62,31 @@
         '''
         starts the SMS with message to recipients
         '''
+        if not "sms" in self.features:
+            raise NotSupportedFeature("sms")
         id = self.jobqueue.newSMS(message,recipients)
         self.jobs[id]=self.jobqueue[id]
         return id
-        
+    
+    
+    def startFAX(self):
+        '''
+        starts the FAX - not implemented
+        '''
+        raise NotSupportedFeature("fax")
+
+    
         
     def startMail(self,subject,  body , recipients):
+        if not "mail" in self.features:
+            raise NotSupportedFeature("mail")
         id = self.jobqueue.newMail(subject,  body ,recipients)
         self.jobs[id]=self.jobqueue[id]
-        return id     
+        return id    
+       
+    def getProvider(self, name):
+        if not name in self.features:
+            raise NotSupportedFeature(name)
         
 class Admin(User):
     def __init__(self,jobqueue):