Fix bd_ejem9

Author: Maes95

bloque_3/spring_database/bd_ejem9/src/main/java/es/codeurjc/db/BlogController.java

@@ -47,12 +47,22 @@ public Blog deleteBlog(@PathVariable Long id) {
 		return blog;
 	}
 
-	//A comment only can be deleted if it has no associated blog
+	// A comment only can be deleted if it has no associated blog
+	// This method doesn't work
 	@DeleteMapping("/comments/{id}")
 	public Comment deleteComment(@PathVariable Long id) {
 		Comment comment = commentRepository.findById(id).orElseThrow();
 		commentRepository.deleteById(id);
 		return comment;
 	}
 
+	@DeleteMapping("/blogs/{blogId}/comments/{commentId}")
+	public Comment deleteComment(@PathVariable Long blogId, @PathVariable Long commentId) {
+		Blog blog = blogRepository.findById(blogId).orElseThrow();
+		Comment comment = commentRepository.findById(commentId).orElseThrow();
+		blog.getComments().remove(comment);
+		commentRepository.deleteById(commentId);
+		return comment;
+	}
+
 }