CV2-5129: apply same search for Explainer

app/models/team.rb

@@ -495,7 +495,11 @@ def filtered_explainers(filters = {})
     query = query.where(updated_at: Range.new(*format_times_search_range_filter(JSON.parse(filters[:updated_at]), nil))) unless filters[:updated_at].blank?
 
     # Filter by text
-    query = query.where('(title ILIKE ? OR url ILIKE ? OR description ILIKE ?)', *["%#{filters[:text]}%"]*3) if filters[:text].to_s.size > 2
+    if filters[:text].to_s.size > 2
+      tsquery = Team.sanitize_sql_array(["to_tsquery(?)", filters[:text].split(/\s+/).map(&:strip).join(' & ')]) # FIXME: May not work for all languages
+      tsvector = "to_tsvector('simple', coalesce(title, '') || ' ' || coalesce(url, '') || coalesce(description, ''))"
+      query = query.where(Arel.sql("#{tsvector} @@ #{tsquery}"))
+    end
 
     # Exclude the ones already applied to a target item
     target = ProjectMedia.find_by_id(filters[:target_id].to_i)

test/models/team_2_test.rb

@@ -1528,9 +1528,10 @@ def setup
     assert_equal ['none', 'link_preview'], t.available_newsletter_header_types
   end
 
-  test "should search for fact-checks by keywords" do
+  test "should search for fact-checks and explainers by keywords" do
     Sidekiq::Testing.fake!
     t = create_team
+    # Fact-checks
     create_fact_check title: 'Some Other Test', claim_description: create_claim_description(project_media: create_project_media(team: t))
     create_fact_check title: 'Bar Bravo Foo Test', claim_description: create_claim_description(project_media: create_project_media(team: t))
     create_fact_check title: 'Foo Alpha Bar Test', claim_description: create_claim_description(project_media: create_project_media(team: t))
@@ -1539,5 +1540,14 @@ def setup
     assert_equal 2, t.filtered_fact_checks(text: 'Foo Bar').count
     assert_equal 1, t.filtered_fact_checks(text: 'Foo Bar Bravo').count
     assert_equal 1, t.filtered_fact_checks(text: 'Foo Bar Alpha').count
+    # Explainer
+    create_explainer title: 'Some Other Test', team: t
+    create_explainer title: 'Bar Bravo Foo Test', team: t
+    create_explainer title: 'Foo Alpha Bar Test', team: t
+    assert_equal 3, t.filtered_explainers.count
+    assert_equal 3, t.filtered_explainers(text: 'Test').count
+    assert_equal 2, t.filtered_explainers(text: 'Foo Bar').count
+    assert_equal 1, t.filtered_explainers(text: 'Foo Bar Bravo').count
+    assert_equal 1, t.filtered_explainers(text: 'Foo Bar Alpha').count
   end
 end