bugfox!

app/models/inbox.rb

@@ -13,11 +13,7 @@ class Inbox < ActiveRecord::Base
   end
 
   def remove
-    unless self.question.user.nil?
+    self.question.destroy if self.question.can_be_removed
-      self.question.user.decrement! :asked_count if self.question.answer_count == 1
-    end
-
-    self.question.destroy if self.question.answer_count == 1
     self.destroy
   end
 end

app/models/question.rb

@@ -3,4 +3,13 @@ class Question < ActiveRecord::Base
   has_many :answers
 
   validates :content, length: { maximum: 255 }
+
+  class << self
+    def can_be_removed
+      return false if self.answers.count > 0
+      return false if Inbox.where(question: self).count > 0
+      self.user.decrement! :asked_count
+      true
+    end
+  end
 end