todolist part2

24_todolist_php/delete_task.php

@@ -0,0 +1,25 @@
+<?php
+
+require_once "db_connect.php";
+
+if ($_SERVER["REQUEST_METHOD"]== "POST") {
+    $task_id = $_POST["task_id"] ?? null; //pokud neexistuje tak bude null
+    if($task_id && filter_var($task_id,FILTER_VALIDATE_INT)){
+        try {
+            $query = $pdo->prepare("DELETE FROM tasks WHERE id = :id");
+            $query->execute(["id" => $task_id]);
+            header("Location: /?status=deleted");
+            exit;
+        } catch (PDOException $e) {
+            //echo($e->getMessage());
+            header("Location: /?status=db_error");
+            exit;
+        }
+    } else{
+        header("Location: /?status=invalid_id");
+        exit;
+    }
+} else {
+    header("Location: /");
+    exit;
+}

24_todolist_php/footer.php

@@ -1,9 +1,12 @@
     </div> 
 
     <footer class="footer mt-auto py-3 bg-light">
+        <div class="container">
             <span class="text-muted"> Malá ToDo List aplikace @ 2025</span>
+
+        </div>
     </footer>
 
-    <script src="js/bootstrap.bundle.js"></script>
+    <script src="/js/bootstrap.bundle.js"></script>
 </body>
 </html>

24_todolist_php/index.php

@@ -27,12 +27,59 @@ bg-light mb-3">
     <button type="submit" class="btn btn-primary">Přidat úkol</button>
 </form>
 
+<?php if (isset($_GET["status"])): ?>
+    <?php if ($_GET["status"]=="deleted"): ?>
+        <div class="alert alert-info alert-dismissible 
+        fade show" role="alert">
+            Úkol byl smazán
+            <button type="button" class="btn-close" 
+            data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php elseif ($_GET["status"]=="added"): ?>
+        <div class="alert alert-success alert-dismissible 
+        fade show" role="alert">
+            Úkol byl přidán
+            <button type="button" class="btn-close" 
+            data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php elseif ($_GET["status"]=="add_error"): ?>
+        <div class="alert alert-danger alert-dismissible 
+        fade show" role="alert">
+            Chyba: popis úkolu nesmí být prázdný.
+            <button type="button" class="btn-close" 
+            data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+       <?php elseif ($_GET["status"]=="delete_error"): ?>
+        <div class="alert alert-danger alert-dismissible 
+        fade show" role="alert">
+            Chyb při mazání úkolu
+            <button type="button" class="btn-close" 
+            data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php elseif ($_GET["status"]=="db_error"): ?>
+        <div class="alert alert-danger alert-dismissible 
+        fade show" role="alert">
+            Chyba databáze. Zkuste to prosím znovu.
+            <button type="button" class="btn-close" 
+            data-bs-dismiss="alert" aria-label="Close"></button>
+        </div>
+    <?php endif; ?>
+<?php endif; ?>
+
 
 <ul class="list-group">
     <?php foreach($tasks as $task):?>
         <li class="list-group-item d-flex 
         justify-content-between align-items-center">
             <span><?= html_escape($task["task_desc"])?></span>
+            <form action="delete_task.php" method="post">
+                <input type="hidden" name="task_id"
+                value=<?= html_escape($task["id"])?> >
+                <button type="submit" 
+                class="btn btn-outline-danger">SMAZAT</button>
+            </form>
         </li>
     <?php endforeach?>
 </ul>
+
+<?php include "footer.php"?>