app/soc/logic/models/priority_group.py
author Lennard de Rijk <ljvderijk@gmail.com>
Wed, 30 Sep 2009 21:10:36 +0200
changeset 2994 24db4afbc82e
parent 2365 a66e1dd8ced7
permissions -rw-r--r--
Removed order property in the getBatchOfData. This ordering is not possible since you want to go over the entities in order oftheir key and ordering them would prohibit this from happening properly.

#!/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.

"""Priority Group (Model) query functions.
"""

__authors__ = [
  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
  ]


from soc.logic.models import base

import soc.models.priority_group


class Logic(base.Logic):
  """Logic methods for the Priority Group model.
  """

  def __init__(self, model=soc.models.priority_group.PriorityGroup,
               base_model=None, scope_logic=None):
    """Defines the name, key_name and model for this entity.
    """

    # pylint: disable-msg=C0103
    self.EMAIL = 'emails'
    self.CONVERT = 'convert'

    self.groups = {
        self.EMAIL: 'Send out emails',
        self.CONVERT: 'Convert one entity to another type',
        }

    super(Logic, self).__init__(model=model, base_model=base_model,
                                scope_logic=scope_logic)

  def getKeyValuesFromEntity(self, entity):
    """See base.Logic.getKeyValuesFromEntity.
    """

    return [entity.link_id]

  def getKeyValuesFromFields(self, fields):
    """See base.Logic.getKeyValuesFromFields.
    """

    return [fields['link_id']]

  def getKeyFieldNames(self):
    """See base.Logic.getKeyFieldNames.
    """

    return ['link_id']

  def getGroup(self, key_name):
    """Return the specified Priority Group entity.
    """

    if key_name not in self.groups:
      raise base.InvalidArgumentError("Unknown priority group %s." % key_name)

    group = self.getFromKeyName(key_name)

    if not group:
      fields = {
          'link_id': key_name,
          'name': self.groups[key_name],
          'priority': 0,
          }

      group = self.updateOrCreateFromKeyName(fields, key_name)

    return group


logic = Logic()