service and controller done

src/main/java/fr/eni/demo/bll/FactureService.java

@@ -1,4 +1,11 @@
 package fr.eni.demo.bll;
 
+import fr.eni.demo.bo.Facture;
+
+import java.util.List;
+
 public interface FactureService {
+  List<Facture> getByClient(Long clientId);
+  List<Facture> getAll();
+  List<Facture> getUnpayed();
 }

src/main/java/fr/eni/demo/bll/FactureServiceImpl.java

@@ -1,4 +1,36 @@
 package fr.eni.demo.bll;
 
+import fr.eni.demo.bo.Facture;
+import fr.eni.demo.dal.FactureRepository;
+
+import java.util.List;
+
 public class FactureServiceImpl implements FactureService {
+
+  private final FactureRepository factureRepo;
+  public FactureServiceImpl(FactureRepository factureRepo) {
+    this.factureRepo = factureRepo;
+  }
+
+  @Override
+  public List<Facture> getByClient(Long clientId) {
+    if (clientId == null) {
+      throw new IllegalArgumentException("Client id can't be null");
+    }
+    List<Facture> factures = factureRepo.findByClient(clientId);
+    if (factures == null) {
+      throw new IllegalArgumentException("No factures found");
+    };
+    return factures;
+  }
+
+  @Override
+  public List<Facture> getAll() {
+    return factureRepo.findAll();
+  }
+
+  @Override
+  public List<Facture> getUnpayed() {
+    return factureRepo.findByDatePayEmpty();
+  }
 }

src/main/java/fr/eni/demo/bo/Client.java

@@ -36,4 +36,8 @@ public class Client {
   @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
   @JoinColumn(name = "CLIENT_ID")
   private List<Location> locations;
+
+  @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+  @JoinColumn(name = "CLIENT_ID")
+  private List<Facture> factures;
 }

src/main/java/fr/eni/demo/bo/Facture.java

@@ -26,4 +26,8 @@ public class Facture {
 
   @Column(name = "DATE_PAY")
   private Date datePay;
+
+  @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
+  @JoinColumn(name = "CLIENT_ID", nullable = false)
+  private Client client;
 }

src/main/java/fr/eni/demo/controller/ClientController.java

@@ -24,7 +24,7 @@ public class ClientController {
         clientService.add(client);
         Map<String, Object> response = new HashMap<>();
         response.put("message", "Client created successfully");
-        response.put("status", true);
+        response.put("status", 201);
         response.put("data", new HashMap<>());
 
         return ResponseEntity.ok(response);
@@ -36,7 +36,7 @@ public class ClientController {
         List<Client> result = clientService.findByName(name);
         Map<String, Object> response = new HashMap<>();
         response.put("message", "List of Clients found");
-        response.put("status", true);
+        response.put("status", 200);
         response.put("data", result);
 
         return ResponseEntity.ok(response);

src/main/java/fr/eni/demo/controller/FactureController.java

@@ -0,0 +1,46 @@
+package fr.eni.demo.controller;
+
+import fr.eni.demo.bll.FactureService;
+import fr.eni.demo.bo.Facture;
+import fr.eni.demo.bo.Location;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RestController
+@RequestMapping("/api/facture")
+@RequiredArgsConstructor
+public class FactureController {
+
+  private final FactureService factureService;
+
+  @GetMapping()
+  public ResponseEntity<Map<String, Object>> getAllFactures() {
+    List<Facture> result = factureService.getAll();
+    Map<String, Object> response = new HashMap<>();
+    response.put("data", result);
+    response.put("status", 200);
+    return ResponseEntity.ok(response);
+  }
+
+  @GetMapping("/client/{id}")
+  public ResponseEntity<Map<String, Object>> getFactureByClient(@PathVariable Long clientId) {
+    Map<String, Object> response = new HashMap<>();
+    response.put("data", factureService.getByClient(clientId));
+    response.put("status", 200);
+    return ResponseEntity.ok(response);
+  }
+
+  @GetMapping("/unpayed")
+  public ResponseEntity<Map<String, Object>> getUnpayedFactures() {
+    List<Facture> result = factureService.getUnpayed();
+    Map<String, Object> response = new HashMap<>();
+    response.put("data", result);
+    response.put("status", 200);
+    return ResponseEntity.ok(response);
+  }
+}

src/main/java/fr/eni/demo/dal/FactureRepository.java

@@ -3,5 +3,10 @@ package fr.eni.demo.dal;
 import fr.eni.demo.bo.Facture;
 import org.springframework.data.jpa.repository.JpaRepository;
 
+import java.util.List;
+
 public interface FactureRepository extends JpaRepository<Facture,Long> {
+
+  List<Facture> findByClient(Long clientId);
+  List<Facture> findByDatePayEmpty();
 }