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# 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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GitWeb
