From ceec2e53425f8a1c726f4903d03e268386cb598e Mon Sep 17 00:00:00 2001
From: Teddy Wing
Date: Tue, 15 May 2018 15:24:29 +0200
Subject: CleanUp: Add `#destroy_empty`

Gives us a single call site to trigger the destruction of vehicle
journeys, journey patterns, and routes without content.

This was previously done directly in the `#clean` method, but since it's
not needed during referential duplication (only during merges), we don't
want to enable it by default. Thus now to activate the same old
functionality, you would create a `CleanUp` like this:

    CleanUp.new(methods: [:destroy_empty])

Refs #6854
---
 app/models/clean_up.rb | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'app')

diff --git a/app/models/clean_up.rb b/app/models/clean_up.rb
index a708a77ea..9cf2389c9 100644
--- a/app/models/clean_up.rb
+++ b/app/models/clean_up.rb
@@ -124,6 +124,12 @@ class CleanUp < ApplicationModel
     Chouette::Route.where("id not in (select distinct route_id from journey_patterns)").destroy_all
   end
 
+  def destroy_empty
+    destroy_vehicle_journeys
+    destroy_journey_patterns
+    destroy_routes
+  end
+
   def overlapping_periods
     self.end_date = self.begin_date if self.date_type != 'between'
     Chouette::TimeTablePeriod.where('(period_start, period_end) OVERLAPS (?, ?)', self.begin_date, self.end_date)
-- 
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