stores failed Census API calls [#277]

app/models/verification/residence.rb

@@ -42,8 +42,19 @@ class Verification::Residence
     unless residency.valid?
       errors.add(:residence_in_madrid, false)
       user.update(residence_verification_tries: user.residence_verification_tries += 1)
+      store_failed_attempt
     end
     self.date_of_birth = string_to_date(date_of_birth)
   end
 
+  def store_failed_attempt
+    data = { user: user,
+             document_number: document_number,
+             document_type:   document_type,
+             date_of_birth:   date_of_birth,
+             postal_code:     postal_code }
+
+    FailedCensusCall.create(data)
+  end
+
 end