#!/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.

"""This module contains the Group Model."""

__authors__ = [

  '"Todd Larsen" <tlarsen@google.com>',

  '"Lennard de Rijk" <ljvderijk@gmail.com>',

  '"Pawel Solyga" <pawel.solyga@gmail.com>',

]

from google.appengine.ext import db

from django.utils.translation import ugettext

from soc.models import countries

import soc.models.presence

import soc.models.user

class Group(soc.models.presence.Presence):

  """Common data fields for all groups.

  """

  #: Required field storing name of the group.

  name = db.StringProperty(required=True,

      verbose_name=ugettext('Name'))

  name.help_text = ugettext('Complete, formal name of the group.')  

  #: Required field storing short name of the group.

  #: It can be used for displaying group as sidebar menu item.

  short_name = db.StringProperty(required=True,

      verbose_name=ugettext('Short name'))

  short_name.help_text = ugettext('Short name used for sidebar menu')

  #: Required many:1 relationship indicating the founding User of the

  #: Group (this relationship is needed to keep track of lifetime group

  #: creation limits, used to prevent spamming, etc.).

  founder = db.ReferenceProperty(reference_class=soc.models.user.User,

                                 required=True, collection_name="groups",

                                 verbose_name=ugettext('Founded by'))

  #: Required field storing a home page URL of the group.

  home_page = db.LinkProperty(required=True,

      verbose_name=ugettext('Home Page URL'))

  #: Required email address used as the "public" contact mechanism for

  #: the Group (as opposed to the founder.account email address which is

  #: kept secret, revealed only to Developers).

  email = db.EmailProperty(required=True,

      verbose_name=ugettext('Email'))

  email.help_text = ugettext(

      "Enter an email address to be used by would-be members seeking "

      "additional information. This can be an individual's email address or a "

      "mailing list address; use whichever will work best for you.")

  #: Required field storing description of the group.

  description = db.TextProperty(required=True,

      verbose_name=ugettext('Description'))

  #: Optional public mailing list.     

  pub_mailing_list = db.StringProperty(required=False,

    verbose_name=ugettext('Public Mailing List'))

  pub_mailing_list.help_text = ugettext(

    'Mailing list email address, URL to sign-up page, etc.')

  #: Optional public IRC channel.

  irc_channel = db.StringProperty(required=False,

    verbose_name=ugettext('Public IRC Channel (and Network)'))

  #====================================================================

  # (private) contact information

  #====================================================================

  #: Required field containing a group street address.

  #: Group street address can only be lower ASCII, not UTF-8 text, 

  #: because, if supplied, it might be used as a shipping address.

  contact_street = db.StringProperty(required=True,

      verbose_name=ugettext('Street address'))

  contact_street.help_text = ugettext(

      'street number and name, lower ASCII characters only')

  #: Required field containing group address city.

  #: City can only be lower ASCII, not UTF-8 text, because, if

  #: supplied, it might be used as a shipping address.

  contact_city = db.StringProperty(required=True,

      verbose_name=ugettext('City'))

  contact_city.help_text = ugettext('lower ASCII characters only')

  #: Required field containing group address state or province.

  #: Group state/province can only be lower ASCII, not UTF-8

  #: text, because, if supplied, it might be used as a shipping address.

  contact_state = db.StringProperty(

      verbose_name=ugettext('State/Province'))

  contact_state.help_text = ugettext(

      'optional if country/territory does not have states or provinces, '

      'lower ASCII characters only')

  #: Required field containing address country or territory of the group.

  contact_country = db.StringProperty(required=True,

      verbose_name=ugettext('Country/Territory'),

      choices=countries.COUNTRIES_AND_TERRITORIES)

  #: Required field containing address postal code of the group (ZIP code in

  #: the United States).Postal code can only be lower ASCII, not UTF-8 

  #: text, because, if supplied, it might be used as a shipping address.

  contact_postalcode = db.StringProperty(required=True,

      verbose_name=ugettext('ZIP/Postal Code'))

  contact_postalcode.help_text = ugettext('lower ASCII characters only')

  #: Required contact phone number that will be, amongst other uses,

  #: supplied to shippers along with the shipping address; kept private.

  phone = db.PhoneNumberProperty(required=True,

      verbose_name=ugettext('Phone Number'))

  phone.help_text = ugettext(

      'include complete international calling number with country code')

  #====================================================================

  # (private) shipping information

  #====================================================================

  #: Optional field containing a group street address.

  #: Group street address can only be lower ASCII, not UTF-8 text, 

  #: because, if supplied, it is used as a shipping address.

  shipping_street = db.StringProperty(required=False,

      verbose_name=ugettext('Shipping Street address'))

  shipping_street.help_text = ugettext(

      'street number and name, lower ASCII characters only')

  #: Optional field containing group address city.

  #: City can only be lower ASCII, not UTF-8 text, because, if

  #: supplied, it is used as a shipping address.

  shipping_city = db.StringProperty(required=False,

      verbose_name=ugettext('Shipping City'))

  shipping_city.help_text = ugettext('lower ASCII characters only')

  #: Optional field containing group address state or province.

  #: Group state/province can only be lower ASCII, not UTF-8

  #: text, because, if supplied, it is used as a shipping address.

  shipping_state = db.StringProperty(

      verbose_name=ugettext('Shipping State/Province'))

  shipping_state.help_text = ugettext(

      'optional if country/territory does not have states or provinces, '

      'lower ASCII characters only')

  #: Optional field containing address postal code of the group (ZIP code in

  #: the United States). Postal code can only be lower ASCII, not UTF-8 

  #: text, because, if supplied, it is used as a shipping address.

  shipping_postalcode = db.StringProperty(required=False,

      verbose_name=ugettext('Shipping ZIP/Postal Code'))

  shipping_postalcode.help_text = ugettext('lower ASCII characters only')

  #: Optional field containing address country or territory of the group.

  shipping_country = db.StringProperty(required=False,

      verbose_name=ugettext('Shipping Country/Territory'),

      choices=countries.COUNTRIES_AND_TERRITORIES)

  #: Required property showing the current status of the group

  #: new: the group has not been active yet

  #: active: the group is active

  #: inactive: used to mark a group as read-only

  #: invalid: the group has been marked as removed

  status = db.StringProperty(required=True, default='new',

      choices=['new', 'active', 'inactive', 'invalid'])