fix: preserve hashtags when merging duplicate ModuleApps in repair_module

app/controllers/admin/patchfiles_controller.rb

@@ -16,6 +16,7 @@ class Admin::PatchfilesController < OrbitAdminController
       cats = array_vs.collect{|v| v.categories}.flatten.uniq
       tags = array_vs.collect{|v| v.tags}.flatten.uniq
       auths = array_vs.collect{|v| v.authorizations}.flatten.uniq
+      hashtags = array_vs.collect{|v| v.hashtags.to_a}.flatten.uniq
       array_vs.reverse.each_with_index do |v,i|
         if i == 0
           tags = tags.collect do |tag|
@@ -33,10 +34,16 @@ class Admin::PatchfilesController < OrbitAdminController
             auth.save!
             auth
           end
+          hashtags.each do |hashtag|
+            hashtag.module_app_ids = (hashtag.module_app_ids - array_vs.map(&:id) + [v.id]).uniq
+            hashtag.save!
+          end
         else
           v.tag_ids = []
           v.categories = nil
           v.authorizations = nil
+          v.hashtag_ids = []
+          v.save!
           v.destroy
         end
       end
@@ -253,4 +260,4 @@ class Admin::PatchfilesController < OrbitAdminController
       end
     end
   end
-end
+end