Mise à jour des PUT,POST,DELETE en fonction des relations entre les composants

src/main/java/com/example/gestionstagesbackend/controllers/CandidacyController.java

@@ -76,10 +76,17 @@ public class CandidacyController {
 
     @GetMapping("/{id}")
     public ResponseEntity<Candidacy> getCandidacyById(@PathVariable Long id) {
-        return candidacyService.getCandidacyById(id)
-                .map(ResponseEntity::ok)
-                .orElse(ResponseEntity.notFound().build());
+        Optional<Candidacy> optionalCandidacy = candidacyService.getCandidacyById(id);
+
+        if (optionalCandidacy.isPresent()) {
+            Candidacy candidacy = optionalCandidacy.get();
+            candidacy.getStage().getId(); // Ensure Stage ID is included
+            return ResponseEntity.ok(candidacy);
+        } else {
+            return ResponseEntity.notFound().build();
+        }
     }
+
     @DeleteMapping("/{id}")
     public ResponseEntity<Void> deleteCandidacy(@PathVariable Long id) {
         if (!candidacyService.existsById(id)) {