debianmemberportfolio/ddportfolioservice/controllers/showformscripts.py

# -*- python -*-
# -*- coding: utf-8 -*-
#
# DDPortfolio service ShowformscriptController.
# Copyright © 2009, 2010 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 pylons import request, response
import formencode.api
import formencode.validators

from ddportfolioservice.lib.base import BaseController, render
from ddportfolioservice.model.form import DDDataRequest
from ddportfolioservice.model import dddatabuilder

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):
        """This action generates the helper script for the showform
        page."""
        response.headers['Content-Type'] = 'text/javascript; charset=utf-8'
        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 = dddatabuilder.build_data(form_result['email'])
        log.debug(fields)
        response.headers['Content-Type'] = 'text/plain'
        return simplejson.dumps(fields)