add jQuery magic for input

- display fields depending on whether a DD email address is entered or
  not
- make automatically determined fields readonly
- don't hide fields with errors

ddportfolioservice/controllers/showformscripts.py

@@ -1,13 +1,69 @@
+# -*- python -*-
+# -*- coding: utf-8 -*-
+#
+# DDPortfolio service ShowformscriptController.
+# Copyright (c) 2009 Jan Dittberner <jan@dittberner.info>
+#
+# This file is part of DDPortfolio service.
+#
+# DDPortfolio service is free software: you can redistribute it and/or
+# modify it under the terms of the GNU Affero General Public License
+# as published by the Free Software Foundation, either version 3 of
+# the License, or (at your option) any later version.
+#
+# DDPortfolio service 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
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with this program.  If not, see
+# <http://www.gnu.org/licenses/>.
+#
 import logging
+import simplejson
 
 from ddportfolioservice.lib.base import *
+from ddportfolioservice.model.form import *
+from ddportfolioservice.model import keyfinder
+from webob.exc import HTTPBadRequest
 
 log = logging.getLogger(__name__)
 
 class ShowformscriptsController(BaseController):
+    """This controller is used to support data entry in showform.
+
+    It provides code for generating JavaScript as well as JSON
+    responses for autocompletion of fields."""
 
     def index(self):
-        # Return a rendered template
-        #   return render('/some/template.mako')
-        # or, Return a response
-        return 'Hello World'
+        """This action generates the helper script for the showform
+        page."""
+        response.headers['Content-Type'] = 'text/javascript'
+        return render('/showformscript.mako')
+
+    def fetchdddata(self):
+        schema = DDDataRequest()
+        try:
+            formencode.api.set_stdtranslation(
+                domain="FormEncode",
+                languages=[lang[0:2] for lang in request.languages])
+            form_result = schema.to_python(request.params)
+        except formencode.validators.Invalid, error:
+            errors = error.unpack_errors()
+            abort(400, "\n".join(
+                    ["%s: %s" % (key, errors[key]) for key in errors]))
+        
+        fields = dict([(field, func(str(form_result['email']))) \
+                           for (field, func) in \
+                           [('gpgfp', keyfinder.getFingerprintByEmail),
+                            ('name', keyfinder.getRealnameByEmail),
+                            ('username', keyfinder.getLoginByEmail)]])
+        fields['email'] = form_result['email']
+        if fields['username'] and fields['gpgfp'] and fields['name']:
+            fields['isdd'] = 1
+        else:
+            fields['isdd'] = 0
+        log.debug(fields)
+        response.headers['Content-Type'] = 'text/plain'
+        return simplejson.dumps(fields)