public IHttpActionResult GetOlaLeafManuscript(int id)
        {
            OlaLeafManuscript olaLeafManuscript = db.OlaLeafManuscripts.Find(id);

            if (olaLeafManuscript == null)
            {
                return(NotFound());
            }

            return(Ok(olaLeafManuscript));
        }
        public IHttpActionResult PostOlaLeafManuscript(OlaLeafManuscript olaLeafManuscript)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.OlaLeafManuscripts.Add(olaLeafManuscript);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = olaLeafManuscript.Id }, olaLeafManuscript));
        }
        public IHttpActionResult DeleteOlaLeafManuscript(int id)
        {
            OlaLeafManuscript olaLeafManuscript = db.OlaLeafManuscripts.Find(id);

            if (olaLeafManuscript == null)
            {
                return(NotFound());
            }

            db.OlaLeafManuscripts.Remove(olaLeafManuscript);
            db.SaveChanges();

            return(Ok(olaLeafManuscript));
        }
        public IHttpActionResult PutOlaLeafManuscript(int id, OlaLeafManuscript olaLeafManuscript)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != olaLeafManuscript.Id)
            {
                return(BadRequest());
            }

            // Check if the user is allowed to change items' availabilities.
            if ((!User.IsInRole("Administrator")) &&
                (olaLeafManuscript.Availability != db.OlaLeafManuscripts.AsNoTracking().Where(o => o.Id == id).Select(o => o.Availability).Single()))
            {
                return(BadRequest("You don't have permission to change the item's availability."));
            }

            db.Entry(olaLeafManuscript).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!OlaLeafManuscriptExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(StatusCode(HttpStatusCode.NoContent));
        }