/// <summary>
        /// Return a listof reviews whose proposal has the ID equal to the parameter proposalId
        /// </summary>
        /// <param name="proposalId"></param>
        /// <returns></returns>
        public List <Review> getReviewsByProposalId(int proposalId)
        {
            List <Review> reviews = reviewRepo.All();

            reviews = reviews.Where(rev => rev.Proposal.ProposalId == proposalId).ToList();
            return(reviews);
        }
        public IActionResult ViewReviews()
        {
            var reviews = reviewRepository.All();

            return(View(reviews));
        }