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require 'permissions/owned_model.rb'
require 'permissions/set.rb'
class Answer < ActiveRecord::Base
hobo_model # Don't put anything above this
fields do
content :text
approved :boolean, :default => false
reference :boolean, :default => false
timestamps
end
attr_readonly :reference
belongs_to :question
has_many :comments
validates_uniqueness_of :question_id, :scope => :reference, :if => :reference
validates_uniqueness_of :question_id, :scope => :owner_id, :unless => :reference
owned_model owner_class = "User"
before_validation do |record|
record.approved = false if record.content_changed?
end
after_create :notify_new_answer
after_update :notify_changed_answer
multi_permission :update, :destroy do
# It's fine to change correct, because it's ignored in non-email answers
# and email answers have separate permissions
(owned? && !reference && !approved) ||
(reference && acting_user.role.is_recruiter?) ||
(only_changed?(:approved, :correct) && owner.mentor_is?(acting_user))
end
def create_permitted?
(owned_soft? && !reference)||(reference && acting_user.role.is_recruiter?)
end
# Proper edit permissions can't be deduced, because we need to access value
# of some fields to set them
def edit_permitted?(field)
owned_soft? ||
owner.mentor_is?(acting_user) ||
(reference && acting_user.signed_up? && acting_user.role.is_recruiter?)
end
def content_edit_permitted?
owned_soft? ||
(reference && acting_user.signed_up? && acting_user.role.is_recruiter?)
end
def approved_edit_permitted?
owner.mentor_is?(acting_user)
end
def reference_edit_permitted?
acting_user.try.role.try.is_recruiter?
end
def view_permitted?(field)
owned_soft? ||
User.user_is_recruiter?(acting_user)||
User.user_is_mentor_of?(acting_user, owner)
end
def self.update_from(params)
ans = Answer.find(params['id'])
if ans.class == Answer
update = params["answer"] || []
elsif ans.class == MultipleChoiceAnswer
params["multiple_choice_answer"] = {} unless params["multiple_choice_answer"]
params["multiple_choice_answer"]["options"] = params["options"].inject(Array.new){ |a, cur| a.push cur.to_i }
update = params["multiple_choice_answer"]
end
result = ans.attributes
for u in update
result[u[0]] = u[1]
end
result
end
def self.new_from(params)
if params.include? "answer"
Answer.new params["answer"]
elsif params.include? "multiple_choice_answer"
ans_hash = params["multiple_choice_answer"]
new_ans = MultipleChoiceAnswer.new ans_hash
new_ans.options = params["options"].inject(Array.new){ |a, cur| a.push cur.to_i }
return new_ans
end
end
def self.wrong_answers_of(uid)
Answer.find_by_sql ["SELECT ans.* FROM answers ans, answers ref WHERE
ref.reference = 't' AND ans.question_id = ref.question_id AND
ans.content != ref.content AND ans.owner_id = ?", uid]
end
protected
def notify_new_answer
UserMailer.deliver_new_answer(owner.mentor, self) unless owner.mentor.nil?
end
def notify_changed_answer
UserMailer.deliver_changed_answer(owner.mentor, self) unless owner.mentor.nil?
end
end
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