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src/main/java/com/pmu/betengine/service/ResultatService.java

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+package com.pmu.betengine.service;
+
+import com.pmu.betengine.model.Resultat;
+import com.pmu.betengine.repository.ResultatRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+@Service
+@RequiredArgsConstructor
+public class ResultatService {
+
+    private final ResultatRepository resultatCourseRepository;
+
+    public Optional<Resultat> findByCourseId(Long courseId) {
+        return resultatCourseRepository.findByCourseId(courseId);
+    }
+
+    public Resultat save(Resultat resultatCourse) {
+        return resultatCourseRepository.save(resultatCourse);
+    }
+
+    public void deleteByCourseId(Long courseId) {
+        resultatCourseRepository.deleteByCourseId(courseId);
+    }
+}