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ReviewController.java
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ReviewController.java
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package com.example.reviews.controller;
import com.example.reviews.model.Review;
import com.example.reviews.repository.ReviewRepository;
import java.util.List;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.RestTemplate;
@RestController
@RequestMapping("/reviews")
public class ReviewController {
private final ReviewRepository reviewRepository;
private final RestTemplate restTemplate;
public ReviewController(ReviewRepository reviewRepository, RestTemplate restTemplate) {
this.reviewRepository = reviewRepository;
this.restTemplate = restTemplate;
}
@GetMapping
public List<Review> getAllReviews() {
return reviewRepository.findAll();
}
@PostMapping
public ResponseEntity<?> addReview(@RequestBody Review review) {
if (!doesUserExist(review.getUserId())) {
return ResponseEntity.badRequest().body("User does not exist");
}
if (!doesMovieExist(review.getMovieId())) {
return ResponseEntity.badRequest().body("Movie does not exist");
}
return ResponseEntity.ok(reviewRepository.save(review));
}
private boolean doesUserExist(String userId) {
try {
restTemplate.getForEntity("http://user-management-service/users/" + userId, String.class);
return true;
} catch (HttpClientErrorException.NotFound e) {
return false;
}
}
private boolean doesMovieExist(String movieId) {
try {
restTemplate.getForEntity("http://movie-catalogue-service/movies/" + movieId, String.class);
return true;
} catch (HttpClientErrorException.NotFound e) {
return false;
}
}
}