first form

2026-08-05 01:43:09 +03:00
parent 7115f505a7
commit fa1cc7df77
1 changed files with 30 additions and 12 deletions
@@ -2,12 +2,17 @@

 (defun get-product (n)
  ;; Query the DB.
-  (list n (format nil "Product nb ~a" n) 9.99))
+  (list n (format nil "Product nb ~R" n) 9.99))

 (defun products (&optional (n 5))
  (loop for i from 0 below n
        collect (get-product i)))

+(defun search-products (products query)
+  (loop for product in products
+        if (search query (second product) :test #'equalp)
+          collect product))
+
 (defvar *server* nil
  "Server instance (Hunchentoot acceptor).")

@@ -21,16 +26,28 @@
   args))

 (defparameter *template-root* "
-<title> Lisp web app </title>
-<body>
-  <ul>
-  {% for product in products %}
+
+<form action=\"/\" method=\"GET\">
+  <div>
+    <label for=\"query\">What do you search for?</label>
+    <input name=\"query\" id=\"query\" placeholder=\"Search…\" />
+  </div>
+  <div>
+    <button>Search</button>
+  </div>
+</form>
+
+{% if query %}
+<div> query is: {{ query }} </div>
+
+<ul>
+  {% for product in results %}
    <li>
      <a href=\"/product/{{ product.0 }}\">{{ product.1 }} - {{ product.2 }}</a>
    </li>
  {% endfor %}
- </ul>
-</body>
+</ul>
+{% endif %}
 ")

 (defparameter *template-product* "
@@ -42,15 +59,16 @@
 </body>
 ")

-(easy-routes:defroute root ("/") ()
-  (render *template-root* :products (products)))

-(easy-routes:defroute product-route ("/product/:n")
+
+(defroute product-route ("/product/:n")
    (&get debug &path (n 'integer))
  (render *template-product* :product (get-product n) :debug debug))

-(defroute root ("/" :method :get) ()
-  (render-products))
+(defroute root ("/" :method :get) (query)
+  (render *template-root*
+          :results (search-products (products) query)
+          :query query))