Method GetByID

_examples/database/mysql/api/product_handler.go:30–51

GetByID fetches a single record from the database and sends it to the client. Method: GET.

(ctx iris.Context)

// GetByID fetches a single record from the database and sends it to the client.
// Method: GET.
func (h *ProductHandler) GetByID(ctx iris.Context) {
	id := ctx.Params().GetString("id")

	var product []byte
	err := h.cache.GetByID(ctx.Request().Context(), id, &product)
	if err != nil {
		if err == sql.ErrNoRows {
			writeEntityNotFound(ctx)
			return
		}

		debugf("ProductHandler.GetByID(id=%v): %v", id, err)
		writeInternalServerError(ctx)
		return
	}

	ctx.ContentType("application/json")
	ctx.Write(product)

	// ^ Could use our simple `noCache` or implement a Cache-Control (see kataras/iris/cache for that)
	// but let's keep it simple.
}

// List lists a set of records from the database.
// Method: GET.