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

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,
+    ];
 }