public HttpResponseMessage AddFriendInvitation(AddFriendInvitationRequestModel objFriendInvitation)
        {
            AddFriendIFitResponse result = new AddFriendIFitResponse();

            try
            {
                var    headers = Request.Headers;
                string token   = headers.Authorization.Parameter.ToString();
                Int64  UserId  = _objFriendFitDBEntity.Database.SqlQuery <Int64>("select UserId from UserToken where TokenCode={0}", token).FirstOrDefault();

                string checkuser = _objFriendFitDBEntity.Database.SqlQuery <string>("select Email from FriendsInvitation where Email={0}", objFriendInvitation.Email).FirstOrDefault();
                string UserName  = _objFriendFitDBEntity.Database.SqlQuery <string>("select FirstName from UserProfile where Id={0}", UserId).FirstOrDefault();
                int    value     = _objIFriendInvitationRepository.AddFriendInvitation(objFriendInvitation);

                string RegistrationUrl = WebConfigurationManager.AppSettings["FrendFitSignUp"];
                #region send mail for notification
                if (objFriendInvitation.Email != null)
                {
                    if (objFriendInvitation.Email != "")
                    {
                        var SendingMessage = new MailMessage();
                        SendingMessage.To.Add(new MailAddress(objFriendInvitation.Email)); // replace with valid value
                        SendingMessage.From    = new MailAddress("*****@*****.**");      // replace with valid value
                        SendingMessage.Subject = "Notification your email (noti.fit)";
                        //SendingMessage.Body = " <p><strong> Hi " + objFriendInvitation.Email + "</ strong >  ,<br/>Congratulations for on signing up to noti.fit so please click on,<br/><br/><strong>Please visit</strong> <a href='" + RegistrationUrl +"'>" + RegistrationUrl+ "</a>  <br/>  to fill the details and click on sign up button<br/><br/>Kind regards,<br/>The noti.fit team";
                        SendingMessage.Body = "<p>Hi " + objFriendInvitation.FriendsName + "</p><p>Your friend " + objFriendInvitation.Email + " has invited you to track their workouts on noti.fit!noti.fit is a workout tracker that sends you notifications when your friend misses a workout.</ p >< p > Please sign up at " + RegistrationUrl + " to get started!</ p >< p > Cheers<strong>,</ strong >< br /> The noti.fit tea</ p > ";

                        SendingMessage.IsBodyHtml = true;
                        using (var smtp = new SmtpClient())
                        {
                            var credential = new NetworkCredential
                            {
                                UserName = "******",  // replace with valid value
                                Password = "******" // replace with valid value
                            };
                            smtp.Credentials = credential;
                            smtp.Host        = "smtp.gmail.com";
                            smtp.Port        = 587;
                            smtp.EnableSsl   = true;
                            smtp.Send(SendingMessage);
                        }
                    }
                }
                #endregion

                #region notification via sms
                if (objFriendInvitation.MobileNumber != null)
                {
                    if (objFriendInvitation.MobileNumber != "")
                    {
                        twilioModel tm = new twilioModel();
                        tm.mobileNo    = objFriendInvitation.MobileNumber;
                        tm.messagebody = "Hi " + UserName + ", " + objFriendInvitation.FriendsName + " has nominated you to receive their workout reminders. Please accept/ decline at " + RegistrationUrl + " or ignore this text for no further communication.";
                        var SMSStatus = SMSCont.SendSMS(tm);
                    }
                }
                #endregion
                if (value > 0)
                {
                    result.Response.StatusCode = Convert.ToInt32(HttpStatusCode.OK);
                    result.Response.Message    = "Friend invitation Added successfully";
                }
                else
                {
                    result.Response.StatusCode = Convert.ToInt32(HttpStatusCode.NotAcceptable);
                    result.Response.Message    = "Some parameters is incorrect";
                }
            }
            catch (Exception ex)
            {
                result.Response.StatusCode = Convert.ToInt32(HttpStatusCode.BadRequest);
                _response = Request.CreateResponse(HttpStatusCode.InternalServerError, "Some error occurred");
            }
            _response = Request.CreateResponse(HttpStatusCode.OK, result);
            return(_response);
        }