Merge remote-tracking branch 'upstream/main' into correction-tp4

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

@@ -2,7 +2,31 @@
 include_once './securite.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 les fichiers de vue une fois les données prêtes.

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

@@ -1,28 +1,71 @@
 <?php
 include_once __DIR__ . '/connexion.php';
 
-function getFilms()
+function getConnection()
+{
+    static $conn = null;
+
+    if ($conn === null) {
+        $host = getenv('DB_HOST') ?: 'https://dwarves.iut-fbleau.fr';
+        $login = getenv('DB_USER') ?: getenv('USER') ?: getenv('USERNAME') ?: 'root';
+        $password = getenv('DB_PASSWORD') ?: $login;
+        $database = getenv('DB_NAME') ?: $login;
+        $conn = mysqli_connect($host, $login, $password, $database);
+
+        if ($conn !== false) {
+            mysqli_set_charset($conn, 'utf8mb4');
+        }
+    }
+
+    return $conn;
+}
+
+function getFilms($page = 1, $perPage = 10)
 {
     $conn = getConnection();
-    $sql = "
-        SELECT Film.idFilm, Film.titre, Film.annee, Genre.code AS genre, Artiste.nom, Artiste.prenom
-        FROM Film
-        JOIN Genre ON Genre.code = Film.genre
-        JOIN Artiste ON Artiste.idArtiste = Film.idMes
-        ORDER BY Film.titre ASC
-    ";
+    if ($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) {
-        die('Erreur SQL lors de la récupération des films : ' . mysqli_error($conn));
+        return [
+            'films' => [],
+            'total' => 0,
+            'error' => 'Exécution de la requête impossible.',
+        ];
     }
 
-    $films = array();
-    while ($film = mysqli_fetch_assoc($result)) {
-        $films[] = $film;
-    }
+    $films = mysqli_fetch_all($result, MYSQLI_ASSOC);
 
-    mysqli_free_result($result);
+    $totalResult = mysqli_query($conn, 'SELECT FOUND_ROWS() AS total');
+    $totalRow = $totalResult ? mysqli_fetch_assoc($totalResult) : ['total' => 0];
+    $total = isset($totalRow['total']) ? (int) $totalRow['total'] : 0;
 
-    return $films;
+    return [
+        'films' => $films,
+        'total' => $total,
+        'error' => null,
+    ];
 }

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

@@ -1,32 +1,64 @@
-<!-- 
-	Variables de la vue
-	$films : les films de la page
+<!--
+    Variables de la vue
+    $films : les films de la page
 -->
 
 <h2>Films</h2>
+<?php if (!empty($errorMessage)) { ?>
+    <article><?php echo htmlspecialchars($errorMessage, ENT_QUOTES, 'UTF-8'); ?></article>
+<?php } ?>
 <table>
-	<thead>
-		<tr>
-			<th>Titre</th>
-			<th>Année</th>
-			<th>Genre</th>
-			<th>Réalisateur</th>
-		</tr>
-	</thead>
-	<tbody>
+    <thead>
+        <tr>
+            <th>Titre</th>
+            <th>Année</th>
+            <th>Genre</th>
+            <th>Réalisateur</th>
+        </tr>
+    </thead>
+    <tbody>
 <?php
-foreach($films as $film){
-
-	echo "
-	<tr>
-		<td><a href='#'>{$film['titre']}</a></td>
-		<td>{$film['annee']}</td>
-		<td>{$film['genre']}</td>
-		<td>{$film['prenom']} {$film['nom']}</td>
-	</tr>";
+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='#'>{$titre}</a></td>
+        <td>{$annee}</td>
+        <td>{$genre}</td>
+        <td>{$realisateur}</td>
+    </tr>";
 }
 ?>
-	</tbody>
+    </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 } ?>
+