public HttpResponseMessage Post(ExerciseDescRequest registrationRequest)
        {
            ToeTrackerTrainerMobContext context = new ToeTrackerTrainerMobContext();
            ExerciseDesc account = context.ExerciseDesc.Where(a => a.ExerciseName == registrationRequest.ExerciseName).SingleOrDefault();
            if (account != null)
            {
                return this.Request.CreateResponse(HttpStatusCode.BadRequest, "This exercise already exists");
            }
            else
            {
                byte[] salt = CustomLoginProviderUtils.generateSalt();
                ExerciseDesc newAccount = new ExerciseDesc
                {
                    Id = Guid.NewGuid().ToString(),
                    ExerciseName = registrationRequest.ExerciseName,
                    ExerciseDescID = registrationRequest.ExerciseId,
                    MuscleDescID = registrationRequest.MuscleId,
                    SecondaryMuslceId = registrationRequest.SecondaryMuslceId,
                    Unit1 = registrationRequest.Unit1,
                    Unit2 = registrationRequest.Unit2,
                    Unit3 = registrationRequest.Unit3

                };
                context.ExerciseDesc.Add(newAccount);
                context.SaveChanges();
                return this.Request.CreateResponse(HttpStatusCode.Created);
            }
        }
 // GET api/EnterExerciseActivity
 public HttpResponseMessage Post(ExcerciseInput execInput)
 {
     ToeTrackerTrainerMobContext context = new ToeTrackerTrainerMobContext();
     execInput.Id = Guid.NewGuid().ToString(); context.ExcerciseInputs.Add(execInput);
     context.SaveChanges();
     return this.Request.CreateResponse(HttpStatusCode.Created, "Success");
 }
        // GET api/GetMuscles
        public string Get()
        {
            ToeTrackerTrainerMobContext context = new ToeTrackerTrainerMobContext();
            List<MuscleDesc> muscles = context.MuscleDesc.ToList<MuscleDesc>() ;
            List<BodyAreaDesc> bdArea = context.BodyAreaDesc.ToList<BodyAreaDesc>();
            string strJson = "{";
            foreach (BodyAreaDesc ba in bdArea)
            {
                strJson += "\""+ ba.BodyAreaName + "\":";
                string [] ms = muscles.Where(x => x.BodyAreaDescID == ba.BodyAreaDescID).Select(x => x.MuscleDescName).ToArray();
                strJson += "\"" + String.Join(",", ms) + "\",";

            }

            strJson = strJson.Substring(0, strJson.Length - 1);
            strJson += "}";
            return strJson;
        }
        // POST api/CustomRegistration
        public HttpResponseMessage Post(RegistrationRequest registrationRequest)
        {
            if (!Regex.IsMatch(registrationRequest.username, "^[a-zA-Z0-9]{4,}$"))
            {
                return this.Request.CreateResponse(HttpStatusCode.BadRequest, "Invalid username (at least 4 chars, alphanumeric only)");
            }
            else if (registrationRequest.password.Length < 8)
            {
                return this.Request.CreateResponse(HttpStatusCode.BadRequest, "Invalid password (at least 8 chars required)");
            }

            ToeTrackerTrainerMobContext context = new ToeTrackerTrainerMobContext();
            Account account = context.Accounts.Where(a => a.Username == registrationRequest.username).SingleOrDefault();
            if (account != null)
            {
                return this.Request.CreateResponse(HttpStatusCode.BadRequest, "That username already exists.");
            }
            else
            {
                byte[] salt = CustomLoginProviderUtils.generateSalt();
                Account newAccount = new Account
                {
                    Id = Guid.NewGuid().ToString(),
                    Username = registrationRequest.username,
                    Salt = salt,
                    SaltedAndHashedPassword = CustomLoginProviderUtils.hash(registrationRequest.password, salt),
                    FirstName = registrationRequest.FirstName,
                    LastName = registrationRequest.LastName,
                    Phone = registrationRequest.Phone,
                    Address = registrationRequest.Address,
                    Email = registrationRequest.Email,
                    Trainer= registrationRequest.Trainer
                };
                context.Accounts.Add(newAccount);
                context.SaveChanges();
                return this.Request.CreateResponse(HttpStatusCode.Created,"{\"UserCreation\":\"Success\"}");
            }
        }