public HttpResponseMessage CreateQuote(QuotationViewModel quote)
        {
            if (User.Identity.IsAuthenticated)
            {
                var user = userManager.FindById(User.Identity.GetUserId());

                using (var categoryCreator = new CategoryCreationHelper())
                {
                    categoryCreator.TryCreateCategory(quote.Category);
                }

                // Grab the category
                var category = db.Categories.Where(c => c.Name.Equals(quote.Category)).First();

                // Create the quote
                var newQuote = new Quotation { Author = quote.Author, Category = category, DateAdded = DateTime.Now, Quote = quote.Quote, User = user };
                db.Quotations.Add(newQuote);
                db.SaveChanges();
                return Request.CreateResponse(HttpStatusCode.Created);
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.Forbidden);
            }
        }
        public HttpResponseMessage UpdateQuote(int id, QuotationViewModel quote)
        {
            var quoteToUpdate = db.Quotations.Where(q => q.QuotationId == id).FirstOrDefault();
            var user = userManager.FindById(User.Identity.GetUserId());
            if (quoteToUpdate == null)
            {
                return Request.CreateResponse(HttpStatusCode.NotFound);
            }
            else if (User.IsInRole("admin") || (User.Identity.IsAuthenticated && quoteToUpdate.User.Id.Equals(user.Id)))
            {
                using (var categoryCreator = new CategoryCreationHelper())
                {
                    categoryCreator.TryCreateCategory(quote.Category);
                }

                // Grab the category
                var category = db.Categories.Where(c => c.Name.Equals(quote.Category)).First();

                // Update the quotation
                db.Entry(quoteToUpdate).State = System.Data.Entity.EntityState.Modified;
                var entity = db.Entry(quoteToUpdate).Entity;
                entity.Category = category;
                entity.Author = quote.Author;
                entity.Quote = quote.Quote;
                db.SaveChanges();
                return Request.CreateResponse(HttpStatusCode.OK);
            }
            else
            {
                return Request.CreateResponse(HttpStatusCode.Forbidden);
            }
        }