#!/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()