Add single cake endpoint handler

internal/server/get.go

@@ -18,6 +18,25 @@ func (h *Server) cakes(r *http.Request) (any, int, error) {
 	return data, http.StatusOK, err
 }
 
+func (h *Server) cake(r *http.Request) (any, int, error) {
+	url := strings.Split(r.URL.String(), "/")
+	if len(url) < 3 || url[2] == "" {
+		return store.Cake{}, http.StatusOK, nil
+	}
+
+	id, err := strconv.Atoi(url[2])
+	if err != nil {
+		return nil, http.StatusBadRequest, err
+	}
+
+	data, err := h.s.GetCake(id)
+	if err != nil {
+		return nil, http.StatusNotFound, err
+	}
+
+	return data, http.StatusOK, nil
+}
+
 func (h *Server) order(r *http.Request) (any, int, error) {
 	type formData struct {
 		Order     store.Order

internal/server/server.go

@@ -26,6 +26,7 @@ func (h *Server) loadHandler() {
 	mux.HandleFunc("GET /", h.render(h.index, "index.html"))
 	mux.HandleFunc("POST /order/", h.render(h.postOrder, "confirmation.html"))
 	mux.HandleFunc("GET /cakes", h.render(h.cakes, "cakes.html"))
+	mux.HandleFunc("GET /cake/", h.render(h.cake, "cake.html"))
 
 	h.Handler = mux
 }

internal/server/templates/cake.html

@@ -0,0 +1,31 @@
+<header>
+    <h1>New Order</h1>
+</header>
+<nav>
+    <a href="/">back</a>
+</nav>
+<main>
+    <form method="post">
+        <div>
+            <h2>Info</h2>
+            <input hidden="true" name="id" value="{{.ID}}">
+            <label>name</label>
+            <input type="text" name="name" value="{{.Name}}">
+            <label>price</label>
+            <input type="number" name="price" min="0" value="{{.Price}}">
+            <label>category</label>
+            <select name="category" id="category" >
+                <option {{ if eq .Category "common" }}selected{{ end }} value="common">common</option>
+                <option {{ if eq .Category "christmas" }}selected{{ end }} value="christmas">christmas</option>
+                <option {{ if eq .Category "easter" }}selected{{ end }} value="easter">easter</option>
+                <option {{ if eq .Category "donuts" }}selected{{ end }} value="donuts">donuts</option>
+            </select>
+            <label>availability</label>
+            <select name="availibility" id="availibility" >
+                <option {{ if eq .Availability "available" }}selected{{ end }} value="available">available</option>
+                <option {{ if eq .Availability "unavailable" }}selected{{ end }} value="unavailable">unavailable</option>
+            </select>
+        </div>
+        <button type="submit">submit</button>
+    </form>
+</main>

internal/store/migrations/5.sql

@@ -0,0 +1,5 @@
+update cake
+set
+    availability = "available";
+
+pragma user_version = 5;