Dodal da se nemore dodati filem ce je ze v DB

controllers/movieController.js

@@ -34,18 +34,37 @@ module.exports = {
             genre: req.body.genre ? req.body.genre : req.body.Genre,
             code: req.body.code ? req.body.code : req.body.Code
         });
-    
-        movie.save()
-            .then(savedMovie => {
-                // Handle successful save operation
-                return res.json(savedMovie);
-            })
-            .catch(err => {
-                return res.status(500).json({
-                    message: 'Error when creating movie',
-                    error: err
+
+        MovieModel.findOne({ code: movie.code })
+        .then(movieFound => {
+            if (movieFound) {
+                return res.status(409).json({
+                    message: 'Movie already exists'
                 });
+            }
+            else
+            {
+                movie.save()
+                    .then(savedMovie => {
+                        // Handle successful save operation
+                        return res.json(savedMovie);
+                    })
+                    .catch(err => {
+                        return res.status(500).json({
+                            message: 'Error when creating movie',
+                            error: err
+                        });
+                    });
+            }
+        })
+        .catch(err => {
+            return res.status(500).json({
+                message: 'Error when getting movie',
+                error: err
+                })
             });
+
+        
     },
 
     /**