app/soc/logic/models/priority_group.py
author Sverre Rabbelier <sverre@rabbelier.nl>
Fri, 15 May 2009 23:05:13 +0200
changeset 2319 3eee2308f1dd
parent 2208 1bf4e904d5f5
child 2365 a66e1dd8ced7
permissions -rw-r--r--
Do not rely on notifiction module being imported This has worked so far mostly by accident, but it turned out to be brittle while writing tests. This makes sure that the notification module is always imported before use.

#!/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.
    """

    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()