correction ex2

R3.01/tp/tp3/cinema/src/films.php

@@ -1,14 +1,37 @@
 <?php
-include './modeles/modeleFilms.php';
+include_once './modeles/modeleFilms.php';
 
-$films = getFilms();
+$currentPage = filter_input(
+    INPUT_GET,
+    'page',
+    FILTER_VALIDATE_INT,
+    ['options' => ['min_range' => 1]]
+);
+
+if ($currentPage === null || $currentPage === false) {
+    $currentPage = 1;
+}
+
+$perPage = 10;
+$data = getFilms($currentPage, $perPage);
+$films = $data['films'];
+$errorMessage = $data['error'];
+$totalFilms = $data['total'];
+$totalPages = max(1, (int) ceil($totalFilms / $perPage));
+
+if ($currentPage > $totalPages && $totalFilms > 0) {
+    $currentPage = $totalPages;
+    $data = getFilms($currentPage, $perPage);
+    $films = $data['films'];
+    $errorMessage = $data['error'];
+    $totalFilms = $data['total'];
+}
 
 //
 // on "charge" la vue
 //
 
-include './vues/header.php';
+include_once './vues/header.php';
-include './vues/vueFilms.php';
+include_once './vues/vueFilms.php';
-include './vues/footer.php';
+include_once './vues/footer.php';
-?>
 

R3.01/tp/tp3/cinema/src/modeles/modeleFilms.php

@@ -1,16 +1,68 @@
 <?php
-function _getConnection()
+function getConnection()
 {
-	static $_conn = NULL;
+    static $conn = null;
-	if ($_conn === NULL){
+
-		$_conn = mysqli_connect("localhost","","","");
+    if ($conn === null) {
+        $login = getenv('DB_USER') ?: getenv('USER') ?: getenv('USERNAME') ?: 's576807';
+        $password = getenv('DB_PASSWORD') ?: $login;
+        $database = getenv('DB_NAME') ?: $login;
+        $conn = mysqli_connect('localhost', $login, $password, $database);
+
+        if ($conn !== false) {
+            mysqli_set_charset($conn, 'utf8mb4');
         }
-	return $_conn;
     }
 
+    return $conn;
+}
 
-function getFilms()
+function getFilms($page = 1, $perPage = 10)
 {
-	// A completer
+    $conn = getConnection();
+    if ($conn === false) {
+        return [
+            'films' => [],
+            'total' => 0,
+            'error' => 'Connexion MySQL impossible.',
+        ];
+    }
+
+    $page = max(1, (int) $page);
+    $perPage = max(1, (int) $perPage);
+    $offset = ($page - 1) * $perPage;
+
+    $sql = "SELECT SQL_CALC_FOUND_ROWS
+                F.idFilm,
+                F.titre,
+                F.annee,
+                G.code AS genre,
+                A.prenom,
+                A.nom
+            FROM Film AS F
+            INNER JOIN Artiste AS A ON F.idMes = A.idArtiste
+            INNER JOIN Genre AS G ON F.genre = G.code
+            ORDER BY F.titre ASC
+            LIMIT {$offset}, {$perPage}";
+
+    $result = mysqli_query($conn, $sql);
+    if ($result === false) {
+        return [
+            'films' => [],
+            'total' => 0,
+            'error' => 'Exécution de la requête impossible.',
+        ];
+    }
+
+    $films = mysqli_fetch_all($result, MYSQLI_ASSOC);
+
+    $totalResult = mysqli_query($conn, 'SELECT FOUND_ROWS() AS total');
+    $totalRow = $totalResult ? mysqli_fetch_assoc($totalResult) : ['total' => 0];
+    $total = isset($totalRow['total']) ? (int) $totalRow['total'] : 0;
+
+    return [
+        'films' => $films,
+        'total' => $total,
+        'error' => null,
+    ];
 }
-?>

R3.01/tp/tp3/cinema/src/vues/vueFilms.php

@@ -4,6 +4,9 @@
 -->
 
 <h2>Films</h2>
+<?php if (!empty($errorMessage)) { ?>
+    <article><?php echo htmlspecialchars($errorMessage, ENT_QUOTES, 'UTF-8'); ?></article>
+<?php } ?>
 <table>
     <thead>
         <tr>
@@ -16,17 +19,46 @@
     <tbody>
 <?php
 foreach ($films as $film) {
+    $titre = htmlspecialchars($film['titre'], ENT_QUOTES, 'UTF-8');
+    $annee = htmlspecialchars((string) $film['annee'], ENT_QUOTES, 'UTF-8');
+    $genre = htmlspecialchars($film['genre'], ENT_QUOTES, 'UTF-8');
+    $realisateur = htmlspecialchars($film['prenom'] . ' ' . $film['nom'], ENT_QUOTES, 'UTF-8');
 
     echo "
     <tr>
-		<td><a href='#'>{$film['titre']}</a></td>
+        <td><a href='#'>{$titre}</a></td>
-		<td>{$film['annee']}</td>
+        <td>{$annee}</td>
-		<td>{$film['genre']}</td>
+        <td>{$genre}</td>
-		<td>{$film['prenom']} {$film['nom']}</td>
+        <td>{$realisateur}</td>
     </tr>";
-
 }
 ?>
     </tbody>
 </table>
 
+<?php if ($totalPages > 1) { ?>
+    <nav>
+        <ul>
+            <li>
+                <?php if ($currentPage > 1) { ?>
+                    <a href="?page=<?php echo $currentPage - 1; ?>">Précédent</a>
+                <?php } else { ?>
+                    <span>Précédent</span>
+                <?php } ?>
+            </li>
+        </ul>
+        <ul>
+            <li>Page <?php echo $currentPage; ?> / <?php echo $totalPages; ?></li>
+        </ul>
+        <ul>
+            <li>
+                <?php if ($currentPage < $totalPages) { ?>
+                    <a href="?page=<?php echo $currentPage + 1; ?>">Suivant</a>
+                <?php } else { ?>
+                    <span>Suivant</span>
+                <?php } ?>
+            </li>
+        </ul>
+    </nav>
+<?php } ?>
+