Scala Programming Projects

Defining the routes

We define all of the URLs of our API in the config/routes file. In this file, we define the mapping between the URL and the code. In our example, the file looks as follows:

# Product API
GET    /v1/products                         W.listProduct
POST   /v1/products/add                     W.addProduct

# Cart API
GET    /v1/cart/products                    W.listCartProducts()
DELETE /v1/cart/products/:id                W.deleteCartProduct(id)
POST   /v1/cart/products/:id/quantity/:qty  W.addCartProduct(id,qty)
PUT    /v1/cart/products/:id/quantity/:qty  W.updateCartProduct(id,qty)

For more clarity, we squeezed the controllers.WebServices package to W, to fit the page width.

For each line, if it starts with #, the line is a comment; otherwise, the first column defines the HTTP action to perform, followed by the ...