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# Gentoo Recruiters Web App - to help Gentoo recruiters do their job better
# Copyright (C) 2010 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/>.
# Users should answer only one question from each group. The question recruit
# should answer is randomly chosen from group by application. Unless user is
# recruit [s]he can't view grouped questions [s]he is not supposed to answer.
# Recruits can prepare to answer grouped questions by reading group description.
class QuestionGroup < ActiveRecord::Base
hobo_model # Don't put anything above this
fields do
name :string, :null => false
description HoboFields::MarkdownString, :null => false
timestamps
end
has_many :questions
validates_presence_of :name, :description
validates_uniqueness_of :name
include Permissions::AnyoneCanViewAdminCanChange
named_scope :in_category, lambda { |cid| {
:joins => :questions, :conditions => ['questions.question_category_id = ?', cid],
:group => 'question_groups.id, question_groups.name, question_groups.description,
question_groups.created_at, question_groups.updated_at'}}
named_scope :unassociated_in_category, lambda { |uid, cid| {
:joins => :questions, :conditions => ['questions.question_category_id = ? AND NOT EXISTS
(SELECT user_question_groups.* FROM user_question_groups INNER JOIN questions ON
questions.id = user_question_groups.question_id WHERE (user_question_groups.user_id = ?
AND questions.question_group_id = question_groups.id))', cid, uid],
:group => 'question_groups.id, question_groups.name, question_groups.description,
question_groups.created_at, question_groups.updated_at'}}
end
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