Count page views

construction.go

@@ -123,5 +123,10 @@ func getHouse(app *app, w http.ResponseWriter, r *http.Request) error {
 	} else {
 		fmt.Fprintf(w, "%s", html)
 	}
+
+	if r.Method != "HEAD" && !bots.IsBot(r.UserAgent()) {
+		app.db.Exec("UPDATE houses SET view_count = view_count + 1 WHERE id = ?", houseID)
+	}
+
 	return nil
 }

init.sql

@@ -1,6 +1,7 @@
 DROP TABLE IF EXISTS `houses`;
 CREATE TABLE `houses` (
   `id` char(8) COLLATE utf8mb4_bin NOT NULL,
+  `view_count` INT(6) NOT NULL,
   `html` text COLLATE utf8mb4_bin NOT NULL,
   `created` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`)