From c74140aaadc169f09e21babaf840c0192e852cda Mon Sep 17 00:00:00 2001
From: Whykioh <whykioh@gmail.com>
Date: Sun, 12 Jul 2026 16:10:25 +0200
Subject: [PATCH] Fix unlink method

---
 models/User.php | 80 +++++++++++++++++++++++++++++--------------------
 1 file changed, 48 insertions(+), 32 deletions(-)

diff --git a/models/User.php b/models/User.php
index a83b708..d283dee 100644
--- a/models/User.php
+++ b/models/User.php
@@ -150,44 +150,60 @@ class User {
     }
 
     // --- 5. CASSER LE LIEN (DÉLIAISON) ---
-    public function unlinkPartner($user_id) {
-        // 1. On cherche d'abord l'ID du partenaire actuel
-        $query = "SELECT partner_id FROM " . $this->table_name . " WHERE id = :user_id LIMIT 1";
-        $stmt = $this->conn->prepare($query);
-        $stmt->bindParam(":user_id", $user_id);
-        $stmt->execute();
-        
-        $user = $stmt->fetch();
-        if (!$user || is_null($user['partner_id'])) {
-            return ["success" => false, "message" => "Tu n'es lié à personne."];
-        }
+    public function unlinkPartner($userId) {
+        // 1. On récupère l'ID du partenaire
+        // (Pense bien à utiliser $this->conn ou $this->db selon ce que tu as corrigé tout à l'heure)
+        $stmt = $this->db->prepare("SELECT partner_id FROM users WHERE id = ?");
+        $stmt->execute([$userId]);
+        $partnerId = $stmt->fetchColumn();
 
-        $partner_id = $user['partner_id'];
+        if ($partnerId) {
+            // 2. On récupère la liste exacte de tous les films en commun
+            $stmt = $this->db->prepare("
+                SELECT tmdb_id, title, poster_path, media_type 
+                FROM movies 
+                WHERE is_common = 1 AND user_id IN (?, ?)
+                GROUP BY tmdb_id, title, poster_path, media_type
+            ");
+            $stmt->execute([$userId, $partnerId]);
+            $commonMovies = $stmt->fetchAll(PDO::FETCH_ASSOC);
 
-        try {
-            $this->conn->beginTransaction();
+            // 3. La distribution des biens : on s'assure que chacun a sa copie
+            foreach ($commonMovies as $movie) {
+                foreach ([$userId, $partnerId] as $uid) {
+                    // On vérifie si l'utilisateur possède déjà la ligne physique du film
+                    $checkStmt = $this->db->prepare("SELECT id FROM movies WHERE user_id = ? AND tmdb_id = ?");
+                    $checkStmt->execute([$uid, $movie['tmdb_id']]);
+                    
+                    // S'il ne l'a pas, on lui insère sa copie perso
+                    if (!$checkStmt->fetch()) {
+                        $insertStmt = $this->db->prepare("
+                            INSERT INTO movies (user_id, tmdb_id, title, poster_path, media_type, is_common) 
+                            VALUES (?, ?, ?, ?, ?, 0)
+                        ");
+                        $insertStmt->execute([
+                            $uid, 
+                            $movie['tmdb_id'], 
+                            $movie['title'], 
+                            $movie['poster_path'], 
+                            $movie['media_type']
+                        ]);
+                    }
+                }
+            }
 
-            // On passe le partner_id à NULL pour les deux utilisateurs
-            $query1 = "UPDATE " . $this->table_name . " SET partner_id = NULL WHERE id = :user_id";
-            $stmt1 = $this->conn->prepare($query1);
-            $stmt1->bindParam(":user_id", $user_id);
-            $stmt1->execute();
-
-            $query2 = "UPDATE " . $this->table_name . " SET partner_id = NULL WHERE id = :partner_id";
-            $stmt2 = $this->conn->prepare($query2);
-            $stmt2->bindParam(":partner_id", $partner_id);
-            $stmt2->execute();
-
-            // 2. On repasse TOUS leurs films en mode perso (is_common = 0)
-            $stmt = $this->conn->prepare("UPDATE movies SET is_common = 0 WHERE user_id IN (?, ?)");
+            // 4. On repasse TOUS les films de ces deux utilisateurs en perso
+            $stmt = $this->db->prepare("UPDATE movies SET is_common = 0 WHERE user_id IN (?, ?)");
             $stmt->execute([$userId, $partnerId]);
 
-            $this->conn->commit();
-            return ["success" => true, "message" => "Comptes déliés avec succès."];
-        } catch (Exception $e) {
-            $this->conn->rollBack();
-            return ["success" => false, "message" => "Erreur lors de la déliaison."];
+            // 5. On casse le lien dans la table users
+            $stmt = $this->db->prepare("UPDATE users SET partner_id = NULL WHERE id IN (?, ?)");
+            $stmt->execute([$userId, $partnerId]);
+            
+            return ["success" => true, "message" => "Lien rompu et films sauvegardés dans les listes persos."];
         }
+        
+        return ["success" => false, "message" => "Pas de partenaire trouvé."];
     }
 
     // --- UTILS / VALIDATIONS ---