ahem

routes/products.pro

@@ -0,0 +1,19 @@
+:- http_handler(
+    root(products),
+    products_page,
+    []
+).
+
+% POST /products
+products_page(Request) :-
+    member(method(post), Request), !,
+    http_read_data(Request, Json, []),
+    json_to_prolog(Json, product(Name, Price)),
+    assert_product(Name, Price),
+    reply_json(Json).
+
+% GET /products
+products_page(_Request) :-
+    bagof(product(Name, Price), product(Name, Price), Products),
+    prolog_to_json(Products, Json),
+    reply_json(Json, []).