DeleteBlog.go

func (s *BlogServiceServer) DeleteBlog(ctx context.Context, req *blogpb.DeleteBlogReq) (*blogpb.DeleteBlogRes, error) {
	// Get the ID (string) from the request message and convert it to an Object ID
	oid, err := primitive.ObjectIDFromHex(req.GetId())
	// Check for errors
	if err != nil {
		return nil, status.Errorf(codes.InvalidArgument, fmt.Sprintf("Could not convert to ObjectId: %v", err))
	}
	// DeleteOne returns DeleteResult which is a struct containing the amount of deleted docs (in this case only 1 always)
	// So we return a boolean instead
	_, err = blogdb.DeleteOne(ctx, bson.M{"_id": oid})
	// Check for errors
	if err != nil {
		return nil, status.Errorf(codes.NotFound, fmt.Sprintf("Could not find/delete blog with id %s: %v", req.GetId(), err))
	}
	// Return response with success: true if no error is thrown (and thus document is removed)
	return &blogpb.DeleteBlogRes{
		Success: true,
	}, nil
}