app/soc/logic/models/document.py
author Lennard de Rijk <ljvderijk@gmail.com>
Sat, 21 Feb 2009 10:53:52 +0000
changeset 1421 7602d41f0ed8
parent 1419 5d0f80ad7b9f
child 1517 a467d13e34ea
permissions -rw-r--r--
Made some changes to StudentProposal. Abstract is now required and content field has been added. New is now the default status. This will be used to easily distinguish between applications that didn't have their initial ranking/scoring yet. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

#!/usr/bin/python2.5
#
# Copyright 2008 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.

"""Document (Model) query functions.
"""

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


from soc.cache import sidebar
from soc.cache import home
from soc.logic.models import work
from soc.logic.models import linkable as linkable_logic

import soc.models.document
import soc.models.work


class Logic(work.Logic):
  """Logic methods for the Document model
  """

  def __init__(self, model=soc.models.document.Document,
               base_model=soc.models.work.Work, scope_logic=linkable_logic):
    """Defines the name, key_name and model for this entity.
    """

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

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

    return [entity.prefix, entity.scope_path, entity.link_id]

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

    return [fields['prefix'], fields['scope_path'], fields['link_id']]

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

    return ['prefix', 'scope_path', 'link_id']

  def _updateField(self, entity, name, value):
    """Special logic for role. If state changes to active we flush the sidebar.
    """

    if (name == 'is_featured') and (entity.is_featured != value):
      sidebar.flush()

    home_for = entity.home_for

    if (name != 'home_for') and home_for:
      home.flush(home_for)

    return True


logic = Logic()