Fix #5312: StatementInvalid Error When Querying the media_assets Attribute of Uploads

app/logical/concerns/searchable.rb

@@ -643,16 +643,45 @@ module Searchable
       end
 
       if parameter_hash?(params[attr])
-        if association.belongs_to?
+        if association.through_reflection?
+          source_association = association.source_reflection
+          through_association = association.through_reflection
+
+          if source_association.macro == :belongs_to
+            source_foreign_key = source_association.foreign_key
+            source_primary_key = source_association.association_primary_key
+          elsif source_association.macro == :has_one
+            source_foreign_key = source_association.join_foreign_key
+            source_primary_key = source_association.join_primary_key
+          else
+            source_foreign_key = source_association.association_primary_key
+            source_primary_key = source_association.foreign_key
+          end
+
+          if through_association.macro == :belongs_to
+            through_foreign_key = through_association.foreign_key
+            through_primary_key = through_association.association_primary_key
+          elsif through_association.macro == :has_one
+            through_foreign_key = through_association.join_foreign_key
+            through_primary_key = through_association.join_primary_key
+          else
+            through_foreign_key = through_association.association_primary_key
+            through_primary_key = through_association.foreign_key
+          end
+
+          source_subquery = source_association.klass.visible(current_user).search(params[attr], current_user).reorder(nil)
+          through_subquery = through_association.klass.visible(current_user).where(source_foreign_key => source_subquery.select(source_primary_key))
+          relation = visible(relation, attr).where(through_foreign_key => through_subquery.select(through_primary_key))
+        elsif association.belongs_to?
           foreign_key = association.foreign_key
           primary_key = association.association_primary_key
+          relation = visible(relation, attr).where(foreign_key => model.visible(current_user).search(params[attr], current_user).reorder(nil).select(primary_key))
         else
           foreign_key = association.association_primary_key
           primary_key = association.foreign_key
-        end
-
           relation = visible(relation, attr).where(foreign_key => model.visible(current_user).search(params[attr], current_user).reorder(nil).select(primary_key))
         end
+      end
 
       relation
     end

app/models/post.rb

@@ -1412,7 +1412,7 @@ class Post < ApplicationRecord
           :last_comment_bumped_at, :last_commented_at, :last_noted_at,
           :uploader, :approver, :parent,
           :artist_commentary, :flags, :appeals, :notes, :comments, :children,
-          :approvals, :replacements],
+          :approvals, :replacements, :media_metadata],
           current_user: current_user
         )
 

test/factories/ai_tag.rb

@@ -0,0 +1,7 @@
+FactoryBot.define do
+  factory(:ai_tag) do
+    tag
+    media_asset
+    score { 1.0 }
+  end
+end

test/functional/uploads_controller_test.rb

@@ -57,6 +57,8 @@ class UploadsControllerTest < ActionDispatch::IntegrationTest
         should respond_to_search({}).with { [@upload] }
         should respond_to_search(source: "http://example.com/foobar").with { @upload }
         should respond_to_search(status: "completed").with { @upload }
+        should respond_to_search(media_assets: { file_size: 1_000_000 }).with { @upload }
+        should respond_to_search(media_assets: { md5: "blah" }).with { }
       end
     end
 

test/unit/concerns/searchable.rb

@@ -261,15 +261,40 @@ class SearchableTest < ActiveSupport::TestCase
       end
     end
 
-    context "for a `has_many through: ...` association" do
+    context "for a `has_many through: has_many` association" do
       subject { Upload }
 
       should "work" do
+        @user = create(:user)
         @media_asset = create(:media_asset)
-        @upload1 = create(:upload, upload_media_assets: [build(:upload_media_asset, media_asset: @media_asset)])
-        @upload2 = create(:upload, upload_media_assets: [build(:upload_media_asset, media_asset: @media_asset)])
+        @upload1 = create(:upload, uploader: @user, upload_media_assets: [build(:upload_media_asset, media_asset: @media_asset)])
+        @upload2 = create(:upload, uploader: @user, upload_media_assets: [build(:upload_media_asset, media_asset: @media_asset)])
+        @upload3 = create(:upload, uploader: @user, upload_media_assets: [build(:upload_media_asset)])
 
-        assert_search_equals([@upload2, @upload1], media_asset: { md5: @media_asset.md5 })
+        assert_search_equals([@upload2, @upload1], media_assets: { md5: @media_asset.md5 }, current_user: @user)
+      end
+    end
+
+    context "for a `has_one through: has_one` association" do
+      subject { Post }
+
+      should "work" do
+        @post1 = create(:post_with_file)
+        @post2 = create(:post)
+
+        assert_search_equals([@post1], media_metadata: { id: @post1.media_metadata.id })
+      end
+    end
+
+    context "for a `has_one through: belongs_to` association" do
+      subject { AITag }
+
+      should "work" do
+        @post = create(:post_with_file)
+        @ai_tag1 = create(:ai_tag, media_asset: @post.media_asset)
+        @ai_tag2 = create(:ai_tag)
+
+        assert_search_equals([@ai_tag1], post: { id: @post.id })
       end
     end
   end