Fix main page

.gitignore

@@ -1 +1,2 @@
 .vscode/settings.json
+project1.zip

README.md

@@ -7,7 +7,7 @@ Users can create new shopping lists, add items to them, and mark items as
 collected. The application displays a list of all active shopping lists, as well
 as a page for each individual shopping list showing all its items.
 
-The application is deployed at https://shopper.fly.dev/ using
+The application is deployed at https://shoptool.fly.dev/ using
 [Fly.io](https://fly.io/). Feel free to try it out!
 
 The web application is built using Deno, a JavaScript/TypeScript runtime with

shopping-lists/controllers/mainController.js

@@ -7,10 +7,15 @@ const responseDetails = {
 
 const showMain = async (_request) => {
   const data = {
+    flag: true,
     listCount: await mainService.checkList(),
     itemCount: await mainService.checkItem(),
   };
 
+  if (data.listCount > 0) {
+    data.flag = false;
+  }
+
   return new Response(await renderFile("main.eta", data), responseDetails);
 };
 

shopping-lists/fly.toml

@@ -1,6 +1,6 @@
-# fly.toml file generated for shopper on 2022-12-27T19:33:40+02:00
+# fly.toml file generated for shoptool on 2022-12-28T19:38:57+02:00
 
-app = "shopper"
+app = "shoptool"
 kill_signal = "SIGINT"
 kill_timeout = 5
 processes = []

shopping-lists/services/mainService.js

@@ -2,14 +2,20 @@ import { executeQuery } from "../database/database.js";
 
 const checkList = async () => {
   const result = await executeQuery("SELECT COUNT(*) FROM shopping_lists;");
-  return result.rows[0].count;
+  if (result.rows && result.rows.length > 0) {
+    return result.rows[0].count;
+  }
+  return 0;
 };
 
 const checkItem = async () => {
   const result = await executeQuery(
     "SELECT COUNT(*) FROM shopping_list_items;"
   );
-  return result.rows[0].count;
+  if (result.rows && result.rows.length > 0) {
+    return result.rows[0].count;
+  }
+  return 0;
 };
 
 export { checkList, checkItem };

shopping-lists/views/main.eta

@@ -2,18 +2,11 @@
 <h1>Shared shopping lists</h1>
 
 <ul>
-<% if (it.listCount !== 0) { %>
-    <li>Shopping lists: <%= it.listCount %></li>
-<% } else { %>
+<% if (it.flag) { %>
     <li>No shopping lists yet.</li>
-<% } %>
-<% if (it.itemCount !== 0) { %>
-    <li>Shopping list items: <%= it.itemCount %></li>
 <% } else { %>
-    <li>No items yet.</li>
-<% } %>
+    <li>Shopping lists: <%= it.listCount %></li>
+    <li>Shopping list items: <%= it.itemCount %></li>
 </ul>
-
-<% if (it.listCount !== 0) { %>
-    <a href="/lists">Lists</a>
-<% } %>
+<% } %>
+<a href="/lists">Lists</a>