feat: entrepreneur api and api service

MyINPulse-back/src/main/java/enseirb/myinpulse/service/database/AnnotationService.java

@@ -0,0 +1,54 @@
+package enseirb.myinpulse.service.database;
+
+import enseirb.myinpulse.model.Annotation;
+import enseirb.myinpulse.repository.AnnotationRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.web.server.ResponseStatusException;
+
+import java.util.Optional;
+
+@Service
+public class AnnotationService {
+
+    private final AnnotationRepository annotationRepository;
+
+    @Autowired
+    AnnotationService(AnnotationRepository annotationRepository) {
+        this.annotationRepository = annotationRepository;
+    }
+
+    public Iterable<Annotation> getAllAnnotations() {
+        return annotationRepository.findAll();
+    }
+
+    public Annotation getAnnotationById(Long id) {
+        Optional<Annotation> annotation = annotationRepository.findById(id);
+        if (annotation.isEmpty()) {
+            throw new ResponseStatusException(
+                    HttpStatus.NOT_FOUND, "Cette annotation n'existe pas");
+        }
+        return annotation.get();
+    }
+
+    public Annotation addNewAnnotation(Annotation annotation) {
+        return this.annotationRepository.save(annotation);
+    }
+
+    public void deleteAnnotationById(Long id) {
+        this.annotationRepository.deleteById(id);
+    }
+
+    public Annotation updateAnnotation(Long id, String comment) {
+        Optional<Annotation> annotation = annotationRepository.findById(id);
+        if (annotation.isEmpty()) {
+            return null;
+        }
+        if (comment != null) {
+            annotation.get().setComment(comment);
+        }
+        return this.annotationRepository.save(annotation.get());
+    }
+}