Update description migration

platform/priv/repo/migrations/20240525003151_move_description_to_text_field.exs

@@ -2,8 +2,31 @@ defmodule Platform.Repo.Migrations.MoveDescriptionToTextField do
   use Ecto.Migration
 
   def change do
+    # Drop the 'searchable' column from the 'media' table
+    execute "ALTER TABLE media DROP COLUMN searchable;"
+
     alter table(:media) do
       modify :attr_description, :text
     end
+
+    # Add the 'searchable' column to the 'media' table
+    execute """
+              ALTER TABLE media
+              ADD COLUMN searchable tsvector
+              GENERATED ALWAYS AS (
+                setweight(to_tsvector('simple', coalesce(slug, '')), 'A') ||
+                setweight(to_tsvector('simple', coalesce(attr_description, '')), 'A') ||
+                setweight(to_tsvector('simple', coalesce(attr_more_info, '')), 'B') ||
+                setweight(to_tsvector('simple', coalesce(attr_general_location, '')), 'C') ||
+                setweight(to_tsvector('simple', imm_array_to_string(attr_restrictions, ' ', ' ')), 'C') ||
+                setweight(to_tsvector('simple', imm_array_to_string(attr_sensitive, ' ', ' ')), 'C') ||
+                setweight(to_tsvector('simple', coalesce(attr_status, '')), 'C') ||
+                setweight(jsonb_to_tsvector('simple', coalesce(auto_metadata, '{}'), '"string"'), 'D')
+              ) STORED
+            """,
+            ""
+
+    # Add an index to the 'media' table on searchable
+    create index(:media, ["searchable"], using: "GIN")
   end
 end