init

src/main/java/fr/eni/demo/DemoApplication.java

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+package fr.eni.demo;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class DemoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(DemoApplication.class, args);
+    }
+
+}

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

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+package fr.eni.demo.bll;
+
+import fr.eni.demo.bo.Employe;
+import java.util.List;
+
+public interface EmployeService {
+    void ajouter(Employe employe);
+
+    List<Employe> chargerTousEmployes();
+}

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

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+package fr.eni.demo.bll;
+
+import java.util.List;
+import org.springframework.stereotype.Service;
+import fr.eni.demo.bo.Employe;
+import fr.eni.demo.dal.EmployeDAO;
+import lombok.AllArgsConstructor;
+
+//Permet de faire injecter la couche DAL associée
+@AllArgsConstructor
+@Service
+public class EmployeServiceImpl implements EmployeService {
+  private EmployeDAO employeRepository;
+
+  @Override
+  public void ajouter(Employe employe) {
+    // Validation des données de l'employé avant sauvegarde
+    if (employe == null) {
+      throw new RuntimeException("L'employé n'est pas renseigné");
+    }
+    validerImmatriculation(employe);
+    validerChaineNonNulle(employe.getNom(), "Vous devez renseigner le nom");
+    validerChaineNonNulle(employe.getPrenom(), "Vous devez renseigner le prénom");
+    validerChaineNonNulle(employe.getEmail(), "Vous devez renseigner un email");
+    employeRepository.create(employe);
+  }
+
+  @Override
+  public List<Employe> chargerTousEmployes() {
+    return employeRepository.findAll();
+  }
+
+  private void validerChaineNonNulle(String chaine, String msgErreur) {
+    if (chaine == null || chaine.isBlank())
+      throw new RuntimeException(msgErreur);
+  }
+  private void validerImmatriculation(Employe employe) {
+    // Valider que l'immatriculation n'est pas nule ou vide
+    validerChaineNonNulle(employe.getImmatriculation(), "L'immatriculation n'a pas été renseignée");
+    // Immatriculation doit être unique
+    Employe employeDB = employeRepository.findByImmatriculation(employe.getImmatriculation());
+    if (employeDB != null) {
+      throw new RuntimeException("L'immatriculation doit être unique");
+    }
+  }
+}

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

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+package fr.eni.demo.bll;
+
+class TestEmployeService {
+}

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

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+package fr.eni.demo.bo;
+
+import jakarta.persistence.*;
+import lombok.*;
+
+//@Data
+@RequiredArgsConstructor
+@Getter
+@Setter
+@EqualsAndHashCode(of= {"immatriculation"})
+@ToString
+//@Builder
+
+@Entity
+@Table(name="EMPLOYES")
+public class Employe {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "EMPLOYEE_ID")
+    private Integer id;
+
+    @Column(name= "LAST_NAME", nullable = false, length = 90)
+    private String nom;
+
+    @Column(name= "FIRST_NAME", nullable = false, length = 150)
+    private String prenom;
+
+    @Column(nullable = false, unique = true)
+    private String email;
+
+    @Column(name= "EMPLOYE_REGISTRATION", nullable = false, unique = true, length = 100)
+    private String immatriculation;
+
+    @Column(name= "HOME_PHONE_NUMBER", nullable = false, length = 12)
+    private String numDom;
+
+    @Column(name= "PHONE_NUMBER", nullable = false, length = 12)
+    private String numPortable;
+}

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

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+package fr.eni.demo.dal;
+
+import java.util.List;
+import fr.eni.demo.bo.Employe;
+
+public interface EmployeDAO {
+    void create(Employe employe);
+
+    Employe read(Integer id);
+
+    Employe findByImmatriculation(String immatriculation);
+
+    List<Employe> findAll();
+
+    void update(Employe employe);
+
+    void delete(Employe employe);
+}

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

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+package fr.eni.demo.dal;
+
+import java.util.*;
+
+import fr.eni.demo.bo.Employe;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class EmployeDAOImpl implements EmployeDAO {
+    private List<Employe> employes = new ArrayList<>();
+
+    @Override
+    public void create(Employe employe) {
+        employes.add(employe);
+    }
+
+    @Override
+    public Employe read(Integer id) {
+        return employes.stream().filter(item -> item.getId() == id).findAny().orElse(null);
+    }
+
+    @Override
+    public Employe findByImmatriculation(String immatriculation) {
+        return employes.stream().filter(item -> item.getImmatriculation() == immatriculation).findAny().orElse(null);
+    }
+
+    @Override
+    public List<Employe> findAll() {
+        return employes;
+    }
+
+    @Override
+    public void update(Employe employe) {
+        Employe emp = read(employe.getId());
+        if (emp != null) {
+            emp.setEmail(employe.getEmail());
+            emp.setPrenom(employe.getPrenom());
+        }
+    }
+    @Override public void delete(Employe employe) {
+        employes.remove(employe);
+    }
+}

src/main/resources/application.yml

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+spring:
+  application:
+    name: demo1
+  #Connection to DB
+  datasource:
+    url: jdbc:sqlserver://localhost;databasename=ludotheque;integratedSecurity=false;encrypt=false;trustServerCertificate=false
+    username: sa
+    password: Pa$$w0rd
+
+  #Options to DB
+  jpa:
+    show-sql: true
+    properties:
+      hibernate:
+        format_sql: true
+    hibernate:
+      ddl-auto: create
+