Merge pull request #3875 from evazion/fix-3873

Fix #3873: Batch bookmarklet for tumblr reports wrong posts as already uploaded

app/logical/sources/strategies/base.rb

@@ -179,6 +179,18 @@ module Sources
         return {}
       end
 
+      # A search query that should return any posts that were previously
+      # uploaded from the same source. These may be duplicates, or they may be
+      # other posts from the same gallery.
+      def related_posts_search_query
+        "source:#{canonical_url}"
+      end
+
+      def related_posts(limit = 5)
+        CurrentUser.as_system { Post.tag_match(related_posts_search_query).paginate(1, limit: limit) }
+      end
+      memoize :related_posts
+
       def to_h
         return {
           :artist_name => artist_name,

app/logical/sources/strategies/pixiv.rb

@@ -153,6 +153,10 @@ module Sources
         translated_tags
       end
 
+      def related_posts_search_query
+        illust_id.present? ? "pixiv:#{illust_id}" : "source:#{canonical_url}"
+      end
+
     public
 
       def image_urls_sub