From 488237c48b6174873470d7b6ce3d1465df46ba20 Mon Sep 17 00:00:00 2001
From: Zog
Date: Thu, 17 May 2018 11:18:13 +0200
Subject: Refs #6624; Update parent's checksum on deletion

---
 app/models/concerns/checksum_support.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'app/models')

diff --git a/app/models/concerns/checksum_support.rb b/app/models/concerns/checksum_support.rb
index fe52604bb..86bbd1d00 100644
--- a/app/models/concerns/checksum_support.rb
+++ b/app/models/concerns/checksum_support.rb
@@ -10,19 +10,24 @@ module ChecksumSupport
   end
 
   module ClassMethods
+
     def has_checksum_children klass, opts={}
       parent_class = self
       belongs_to = opts[:relation] || self.model_name.singular
       has_many = opts[:relation] || self.model_name.plural
 
       Rails.logger.debug "Define callback in #{klass} to update checksums #{self.model_name} (via #{has_many}/#{belongs_to})"
-      klass.after_save do
+
+      child_update_parent = Proc.new do
         parents = []
         parents << self.send(belongs_to) if klass.reflections[belongs_to].present?
         parents += self.send(has_many) if klass.reflections[has_many].present?
         Rails.logger.debug "Request from #{klass.name} checksum updates for #{parents.count} #{parent_class} parent(s)"
         parents.compact.each &:update_checksum_without_callbacks!
       end
+
+      klass.after_save &child_update_parent
+      klass.after_destroy &child_update_parent
     end
   end
 
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