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# Gentoo Council Web App - to help Gentoo Council do their job better
# Copyright (C) 2011 Joachim Filip Bartosik
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, version 3 of the License
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require 'permissions/set.rb'
class Vote < ActiveRecord::Base
hobo_model # Don't put anything above this
fields do
council_vote :boolean, :null => false, :default => false
timestamps
end
belongs_to :voting_option, :null => false
belongs_to :user, :null => false, :creator => true
index [:voting_option_id, :user_id], :unique => true
validates_presence_of :voting_option, :user
validates_uniqueness_of :voting_option_id, :scope => :user_id
validate :user_voted_only_once
# --- Permissions --- #
def create_permitted?
return false if council_vote
user_is?(acting_user)
end
multi_permission(:update, :destroy) do
return false if user_changed?
return false if council_vote
user_is?(acting_user)
end
def view_permitted?(field)
true
end
def council_vote_edit_permitted?
false
end
scope :for_item, lambda { |iid| joins(:voting_option).where([
'voting_options.agenda_item_id = ?', iid]) }
def self.vote_for_option(user, option, council_vote)
item = option.agenda_item
old_vote = Vote.for_item(item.id).user_is(user.id).first
if old_vote.nil?
Vote.create! :voting_option => option, :user => user, :council_vote => council_vote
else
old_vote = Vote.find(old_vote)
old_vote.voting_option = option
old_vote.council_vote = council_vote
old_vote.save!
end
end
protected
def user_voted_only_once
return if user.nil?
return if voting_option.nil?
return if voting_option.agenda_item.nil?
other_votes = Vote.for_item(voting_option.agenda_item_id).user_id_is(user_id)
other_votes = other_votes.id_is_not(id) unless new_record?
if other_votes.count > 0
errors.add(:user, 'User can vote only once per agenda item.')
end
end
end
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