implemented models and logic for Cheval, Course, CourseCheval and Pari.

src/main/java/com/pmumali/plr/services/ChevalService.java

@@ -0,0 +1,45 @@
+package com.pmumali.plr.services;
+
+import java.util.List;
+
+import org.springframework.stereotype.Service;
+
+import com.pmumali.plr.models.Cheval;
+import com.pmumali.plr.repositories.ChevalRepository;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Service
+@Data
+@AllArgsConstructor
+public class ChevalService {
+    private final ChevalRepository chevalRepository;
+
+    public Cheval create(Cheval cheval) {
+        return chevalRepository.save(cheval);
+    }
+
+    public List<Cheval> all(){
+        return chevalRepository.findAll();
+    }
+
+    public Cheval get(Long id){
+        return chevalRepository.findById(id).orElseThrow();
+    }
+
+    public Cheval update(Long id, Cheval data){
+        Cheval h = get(id);
+
+        h.setNom(data.getNom());
+        h.setNumero(data.getNumero());
+        h.setNomEcurie(data.getNomEcurie());
+        h.setBirthYear(data.getBirthYear());
+
+        return chevalRepository.save(h);
+    }
+
+    public void delete(Long id){ 
+        chevalRepository.deleteById(id); 
+    }
+}