#!/usr/bin/python2.5

#

# Copyright 2009 the Melange authors.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

#   http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

"""Tasks conversion starter.

"""

__authors__ = [

  '"Sverre Rabbelier" <sverre@rabbelier.nl>',

  ]

from django import http

from django.template import loader

def getDjangoURLPatterns():

  """Returns the URL patterns for the view in this module.

  """

  patterns = [(r'tasks/convert/([a-z]+)$', 'soc.tasks.convert.runner')]

  return patterns

class TaskRunner(object):

  """Runs one of the supported task starters.

  """

  def __init__(self):

    """Initializes the TaskRunner.

    """

    self.options = {

        'program': self.startProgramConversion,

        'organization': self.startOrganizationConversion,

        'student': self.startStudentConversion,

    }

  def getOptions(self):

    """Returns the supported option types.

    """

    return self.options.keys()

  def __call__(self, request, option):

    """Starts the specified task.

    """

    context = {

        'page_name': 'Start conversion job',

    }

    fun = self.options.get(option)

    if not fun:

      template = 'soc/error.html'

      context['message'] = 'Uknown option "%s".' % option

    else:

      template = 'soc/tasks/convert.html'

      context['option'] = option

      context['success'] = fun(request)

    content = loader.render_to_string(template, dictionary=context)

    return http.HttpResponse(content)

  def startProgramConversion(self, request):

    """

    """

    # TODO(ljvderijk): implement this

    return False

  def startOrganizationConversion(self, request):

    """

    """

    # TODO(ljvderijk): implement this

    return False

  def startStudentConversion(self, request):

    """

    """

    # TODO(ljvderijk): implement this

    return False

runner = TaskRunner()