+
−#!/usr/bin/python2.5
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−#
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−# Copyright 2008 the Melange authors.
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−#
+
−# Licensed under the Apache License, Version 2.0 (the "License");
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−# 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
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# 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.
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−
+
−"""Site (Model) query functions.
+
−"""
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−
+
−__authors__ = [
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−  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
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−  ]
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−
+
−
+
−from soc.cache import sidebar
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−from soc.logic.models import presence_with_tos
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−
+
−import soc.models.presence_with_tos
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−import soc.models.site
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−
+
−
+
−class Logic(presence_with_tos.Logic):
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−  """Logic methods for the Site model.
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−  """
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−
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−  DEF_SITE_LINK_ID = 'site'
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−
+
−  def __init__(self, model=soc.models.site.Site,
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−               base_model=soc.models.presence_with_tos.PresenceWithToS):
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−    """Defines the name, key_name and model for this entity.
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−    """
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−
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−    super(Logic, self).__init__(model=model, base_model=base_model)
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−
+
−  def getKeyValuesFromEntity(self, entity):
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−    """Returns the key values for the site settings.
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−
+
−    The Site entity is a singleton, so this method returns 
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−    a hard-coded link_id.
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−
+
−    Args:
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−      entity: unused
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−    """
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−
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−    return [self.DEF_SITE_LINK_ID]
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−
+
−  def getKeyValuesFromFields(self, fields):
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−    """Extracts the key values from a dict and returns them.
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−
+
−    The Site entity is a singleton, so this method returns 
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−    a hard-coded link_id.
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−
+
−    Args:
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−      fields: unused
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−    """
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−
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−    return [self.DEF_SITE_LINK_ID]
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−
+
−  def getKeyFieldNames(self):
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−    """Returns an array with the names of the Key Fields.
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−
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−    The Site entity is an unscoped singleton, it's key fields consist
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−    of just the link_id.
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−    """
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−
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−    return ['link_id']
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−
+
−  def getSingleton(self):
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−    """Return singleton Site settings entity, since there is always only one.
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−    """
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−
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−    fields = {
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−        'link_id': self.DEF_SITE_LINK_ID,
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−        }
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−
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−    key_name = self.getKeyNameFromFields(fields)
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−    singleton = self.getFromKeyName(key_name)
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−
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−    # if there is no site singleton yet, create it
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−    if not singleton:
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−      singleton = self.updateOrCreateFromKeyName(fields, key_name)
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−
+
−    return singleton
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−
+
−logic = Logic()