Esempio n. 1
0
    def extractData(self, fields):
        # XXX to review this
        cached = self.__extracted.get(fields)
        if cached is not None:
            return cached
        data = FieldsValues(self, fields)
        self.errors = errors = Errors()
        self.__extracted[fields] = (data, errors)

        for field in fields:
            if not field.available(self):
                continue

            # Widget extraction and validation
            extractor = self.widgetFactory.extractor(field)
            if extractor is not None:
                value, error = extractor.extract()
                if error is None:
                    error = field.validate(value, self)
                if error is not None:
                    if not IError.providedBy(error):
                        error = Error(error, extractor.identifier)
                    errors.append(error)
                data[field.identifier] = value

        # Generic form validation
        errors.extend(self.validateData(fields, data))
        if len(errors):
            # Add a form level error if not already present
            if self.prefix not in errors:
                errors.append(Error(_(u"There were errors."), self.prefix))
        self.errors = errors
        return (data, errors)
Esempio n. 2
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    def validate(self):
        convert_request_form_to_unicode(self.request.form)
        info = {'success': True}
        fieldname = self.request.form['prefix.field']
        # We need to update the form first, since this is the common
        # place to configure more fields.
        self.context.update()

        try:
            lookup = IFormLookup(self.context).lookup(
                self.request.form['prefix.form'])
        except KeyError:
            info['success'] = False
        else:
            # Look for extractor, extract and validate value.
            for field in lookup.fields():
                extractor = lookup.form.widgetFactory.extractor(field)
                if extractor is not None:
                    if extractor.identifier == fieldname:
                        value, error = extractor.extract()
                        if error is None:
                            error = field.validate(value, self.context)
                        if error is not None:
                            if not IError.providedBy(error):
                                error = Error(title=error, identifier=fieldname)
                            info['success'] = False
                            info['errors'] = serialize_error(self, error)
                        break
            else:
                info['success'] = False
        return self.json_response(info)
Esempio n. 3
0
 def validateData(self, fields, data):
     errors = Errors()
     for factory in self.dataValidators:
         validator = factory(self, fields)
         for error in validator.validate(data):
             if not IError.providedBy(error):
                 error = Error(error, self.prefix)
             errors.append(error)
     return errors