service registrations: CSV export, suppress listing of temporary registrations, email field validation

git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2250 fd906abe-77d9-0310-91a1-e0d9ade77398

composer/schema/README.txt

@@ -93,8 +93,9 @@ Using a more specialized schema factory
   lastName Last name textline
   age Age number
 
+
 Access and update a context object using a schema-based form
-------------------------------------------------------------
+============================================================
 
   >>> from zope.publisher.browser import TestRequest
   >>> from cybertools.composer.schema.browser.form import Form

composer/schema/field.py

@@ -170,6 +170,13 @@ class FileUploadFieldInstance(FieldInstance):
         return value
 
 
+class EmailFieldInstance(FieldInstance):
+
+    def validate(self, value, data=None):
+        if value and '@' not in value:
+            self.setError('invalid_email_address')
+
+
 class CalculatedFieldInstance(FieldInstance):
 
     def marshall(self, value):

composer/schema/interfaces.py

@@ -87,6 +87,8 @@ fieldTypes = SimpleVocabulary((
     FieldType('number', 'number', u'Number',
               inputRenderer='input_textline', instanceName='number'),
     FieldType('date', 'date', u'Date'),
+    FieldType('email', 'email', u'E-Mail Address',
+              inputRenderer='input_textline', instanceName='email'),
     FieldType('fileupload', 'fileupload', u'File upload',
               instanceName='fileupload'),
     #FieldType('checkbox', 'checkbox', u'Checkbox'),

composer/schema/schema.py

@@ -90,4 +90,6 @@ formErrors = dict(
         u'Please enter data for required field.'),
     invalid_number=FormError(u'Invalid number',
         u'Please enter a number, only digits allowed.'),
+    invalid_email_address=FormError(u'Invalid E-Mail Address',
+        u'Please enter a correct email address.'),
 )

organize/browser/report.py

@@ -0,0 +1,86 @@
+#
+#  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
+#
+
+"""
+View classes for CSV export.
+
+$Id$
+"""
+
+import csv
+from cStringIO import StringIO
+from zope import component
+from zope.cachedescriptors.property import Lazy
+from cybertools.composer.interfaces import IInstance
+from cybertools.stateful.interfaces import IStateful
+
+
+class RegistrationsExportCsv(object):
+
+    def __init__(self, context, request):
+        self.context = context
+        self.request = request
+
+    def setHeaders(self, size, filename=None):
+        filename = filename or 'registrations.csv'
+        response = self.request.response
+        response.setHeader('Content-Disposition',
+                           'attachment; filename=%s' % filename)
+        response.setHeader('Content-Type', 'text/x-comma-separated-values')
+        response.setHeader('Content-Length', size)
+
+    def getData(self):
+        withTemporary = self.request.get('with_temporary')
+        yield ['Service', 'Client ID', 'Organization', 'First Name', 'Last Name', 'E-Mail',
+               'Number', 'State']
+        for service in self.context.getServices():
+            for clientName, reg in service.registrations.items():
+                client = reg.client
+                data = IInstance(client).applyTemplate()
+                state = IStateful(reg).getStateObject()
+                if state.name == 'temporary' and not withTemporary:
+                    continue
+                yield [encode(service.title) or service.name,
+                       clientName,
+                       encode(data.get('standard.organization', '')),
+                       encode(data.get('standard.lastName', '')),
+                       encode(data.get('standard.firstName', '')),
+                       encode(data.get('standard.email', '')),
+                       reg.number,
+                       state.title
+                ]
+
+    def render(self):
+        output = StringIO()
+        csv.writer(output).writerows(self.getData())
+        result = output.getvalue()
+        self.setHeaders(len(result))
+        return result
+
+    def render2(self):
+        # using cybertools.reporter.resultset
+        rs = self.getData()     # returns a ResultSet
+        result = rs.asCsv()
+        self.setHeaders(len(result))
+        return result
+
+
+def encode(text, encoding='UTF-8'):
+    if type(text) is unicode:
+        text = text.encode(encoding)
+    return text

organize/browser/service.py

@@ -276,6 +276,13 @@ class ServiceView(BaseView):
     def getRegistrations(self):
         return self.context.registrations
 
+    def listRegistrations(self):
+        if self.request.get('with_temporary'):
+            return self.getRegistrations()
+        regs = self.getRegistrations()
+        return (name for name, reg in regs.items()
+                  if IStateful(reg).getState() != 'temporary')
+
     def getRegistrationTemplate(self):
         context = self.context
         man = context.getManager()