final eval question rails

app/callbacks/activable_callbacks.rb

@@ -6,4 +6,10 @@ def self.before_validation(model_object)
     end
   end
 
+  def self.before_save(model_object)
+    if model_object.active? && !model_object.publishable?
+      self.active = false
+    end
+  end
+
 end

app/controllers/concerns/controllers/activable.rb

@@ -7,7 +7,7 @@ module Controllers::Activable
   end
 
   def activate
-    if @model_instance.activate
+    if @model_instance.activate && @model_instance.active?
       flash[:alert] = "#{controller_name.classify} was successfully activated."
     else
       flash[:alert] = "#{controller_name.classify} cannot be activated."

app/models/question.rb

@@ -16,6 +16,8 @@ class Question < ApplicationRecord
   validate :only_one_correct_option
 
   before_validation ActivableCallbacks, on: :update
+  before_save ActivableCallbacks
+  after_commit :update_quiz, on: [:update, :destroy]
 
   scope :active, -> { where(active: true) }
 
@@ -35,6 +37,10 @@ def self.ransackable_associations(auth_object = nil)
     []
   end
 
+  def publishable?
+    question_options.length >= 4
+  end
+
   private
 
   def only_one_correct_option
@@ -51,4 +57,13 @@ def options_count
     errors.add :base, 'enter exactly 4 options' unless count == 4
   end
 
+  def update_quiz
+    quiz.inactivate unless quiz.publishable?
+
+    if quiz_id_before_last_save && quiz_id_before_last_save != quiz_id
+      previous_quiz = Quiz.find_by_id(quiz_id_before_last_save)
+      previous_quiz.inactivate unless previous_quiz.publishable?
+    end
+  end
+
 end

app/models/question_option.rb

@@ -8,13 +8,14 @@ class QuestionOption < ApplicationRecord
   validate :presence_of_either_data_or_image
 
   before_validation :set_type
+  after_commit :update_question, on: [:update, :destroy]
 
   scope :correct, -> { where(correct: true) }
 
   private
 
   def presence_of_either_data_or_image
-    unless option_image.present? && data.present?
+    if option_image.blank? && data.blank?
       errors.add :base, 'Both data and image can\'t be blank'
     end
   end
@@ -28,4 +29,13 @@ def set_type
     end
   end
 
+  def update_question
+    question.inactivate unless question.publishable?
+
+    if question_id_before_last_save && question_id_before_last_save != question_id
+      previous_question = Question.find_by_id(question_id_before_last_save)
+      previous_question.inactivate unless previous_question.publishable?
+    end
+  end
+
 end

app/models/quiz.rb

@@ -31,6 +31,7 @@ class Quiz < ApplicationRecord
 
   before_validation :set_time_limit_in_seconds, if: -> { time_limit_in_minutes.present? }
   before_validation ActivableCallbacks, on: :update
+  before_save ActivableCallbacks
   after_save_commit :schedule_mail_if_featured, if: :featured?
 
   scope :active, -> { where(active: true) }
@@ -59,6 +60,10 @@ def self.ransackable_associations(auth_object = nil)
     []
   end
 
+  def publishable?
+    questions.length >= 10 && questions.length == questions.map(&:publishable?).count(true) 
+  end
+
   private
 
   def set_time_limit_in_seconds