Add grape endpoint to delete an artwork

app/api/using_grape/artworks_endpoint.rb

@@ -30,6 +30,15 @@ class ArtworksEndpoint < Grape::API
           error! errors, 400
         end
       end
+
+      delete ":id" do
+        artwork = Artwork.find(params[:id])
+        if artwork
+          artwork.destroy
+        else
+          error!
+        end
+      end
     end
   end
 end

spec/requests/using_grape/delete_artwork_spec.rb

@@ -0,0 +1,20 @@
+require "rails_helper"
+
+describe "DELETE /api/using_grape/artworks/:id" do
+  let(:artwork) { FactoryBot.create(:artwork) }
+
+  context "with an invalid id" do
+    it "returns a 404" do
+      delete "/api/using_grape/artworks/invalid"
+      expect(response.status).to eq 404
+    end
+  end
+
+  context "with a valid id" do
+    it "returns a 200" do
+      delete "/api/using_grape/artworks/#{artwork.id}"
+      expect(response.status).to eq 200
+      expect(Artwork.count).to eq 0
+    end
+  end
+end