work in progress: rule handling - message handling basically working

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2160 fd906abe-77d9-0310-91a1-e0d9ade77398

composer/message/README.txt

@@ -9,21 +9,16 @@ Message Management
 
   >>> manager = MessageManager()
 
-  >>> manager.messages.append(Message('feedback_html', manager=manager))
-  >>> manager.messages.append(Message('feedback_text', manager=manager))
-  >>> manager.messages.append(Message('footer', manager=manager))
-
   >>> messageText = '''Dear $person.firstname $person.lastname,
   ... You have been registered for the following $services.
   ... $@@list_registrations
   ... $footer
   ... '''
 
-  >>> manager.messages['feedback_text'].text = messageText
+  >>> manager.addMessage('feedback_text', messageText)
-  >>> manager.messages['footer'].text = 'Best regards, $sender'
+  >>> manager.addMessage('footer', 'Best regards, $sender')
-
+  >>> manager.addMessage('sender', 'Jack')
-  >>> manager.messages.append(Message('sender', manager=manager, text='Jack'))
+  >>> manager.addMessage('services', 'events')
-  >>> manager.messages.append(Message('services', manager=manager, text='events'))
 
 Message interpolation
 ---------------------

composer/rule/README.txt

@@ -28,9 +28,10 @@ Rule-based Execution of Actions
   >>> manager.addRule(checkoutRule)
 
   >>> manager.handleEvent(Event(loginEvent))
+  []
 
   >>> from cybertools.composer.schema.client import Client
   >>> client = Client()
 
   >>> manager.handleEvent(Event(checkoutEvent, client))
-
+  [{}]

composer/rule/message.py

@@ -0,0 +1,47 @@
+#
+#  Copyright (c) 2007 Helmut Merz helmutm@cy55.de
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program; if not, write to the Free Software
+#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""
+Action handler for providing messages.
+
+$Id$
+"""
+
+from zope.interface import implements
+
+from cybertools.composer.message.interfaces import IMessageManager
+from cybertools.composer.message.instance import MessageInstance
+from cybertools.composer.rule.base import ActionHandler
+
+
+class MessageActionHandler(ActionHandler):
+
+    def __call__(self, data, params={}):
+        messageName = params.get('messageName')
+        if messageName is None:
+            raise ValueError('No message name given.')
+        rule = self.context.template
+        client = self.context.context
+        manager = IMessageManager(client.manager)
+        message = manager.messages.get(messageName)
+        if message is None:
+            raise ValueError('Message %s does not exist.' % messageName)
+        #client = IClient(self.context)
+        mi = MessageInstance(client, message)
+        #mi.template = message
+        return mi.applyTemplate(data)