Spontaneous.WebApp.Medals.RestaurantAdviserChecker.CheckIfFullfiledRequirement C# (CSharp) Method

        public override UserMedal CheckIfFullfiledRequirement(SpontaneousUserModel statistic, UserActivity activity)
        {
            UserMedal currentMedal = new RestaurantAdviserMedal();
            currentMedal.CreatedAt = new DateTime(0);
            if (statistic.UserMedalsList != null && statistic.UserMedalsList.Count > 0)
            {
                //if (IfAlreadyHave(statistic)) return null;
                currentMedal = getLastMedal(statistic);
            }

            //Check if current activity is meets requirement
            string activityName = activity.GetType().Name;
            int activityCount = 0;
            if (activity is MedalViewActivity)
            {
                activityCount = statistic.GetActivityCount(activityName, ((MedalViewActivity)activity).MedalType, currentMedal.CreatedAt);
            }
            else
            {
                activityCount = statistic.GetActivityCount(activityName, currentMedal.CreatedAt);
            }

            //Check if current activity is in requirement list
            if (RequirementsList.FirstOrDefault(r => r.Activity.GetType().Name == activityName) != null)
            {
                if (activityCount >= RequirementsList.FirstOrDefault(r => r.Activity.GetType().Name == activityName).Count)
                {
                    //Current activity is meets requirement
                    //Check if meets other requirements necessary for the medal
                    foreach (var requirement in RequirementsList)
                    {
                        activityName = requirement.Activity.GetType().Name;
                        //avtivityCount = statistic.GetActivityCount(activityName);
                        if (requirement.Activity is MedalViewActivity)
                        {
                            activityCount = statistic.GetActivityCount(activityName, "RestaurantAdviserMedal", currentMedal.CreatedAt);
                        }
                        else
                        {
                            activityCount = statistic.GetActivityCount(activityName, currentMedal.CreatedAt);
                        }
                        if (!(activityCount >= RequirementsList.FirstOrDefault(r => r.Activity.GetType().Name == activityName).Count))
                        {
                            log.InfoFormat("[RestaurantAdviserChecker]: CheckIfFullfiledRequirement] Still not win RestaurantAdviser Medal. avtivityCount={0}", activityCount);
                            return null;
                        }
                    }
                    UserMedal medal = new RestaurantAdviserMedal();
                    log.InfoFormat("[RestaurantAdviserChecker]: CheckIfFullfiledRequirement] Win RestaurantAdviser Medal. avtivityCount={0}", activityCount);
                    return medal;
                }
            }
            else
            {
                log.InfoFormat("[RestaurantAdviserChecker]: CheckIfFullfiledRequirement] Still not win RestaurantAdviser Medal. avtivityCount={0}", activityCount);
            }
            return null;
        }

        public void RestaurantAdviserCheckIfFullfiledRequirementTest_ShouldCheckListWithoutThisMedalAndRequirementForThisMedalPartialyNotAchieved_MustReturnNotEmptyMedalList()
        {
            //Arrange
            SpontaneousUserModel userModel = new SpontaneousUserModel()
            {
                UserActivityList = new List<UserActivity>(),
                UserMedalsList = new List<UserMedal>()
            };
            UserActivity userActivity = new InviteFriendActivity();
            userModel.UserActivityList.Add(userActivity);
            userModel.UserActivityList.Add(new ReservePlaceActivity());
            userModel.UserActivityList.Add(new MedalViewActivity("RestaurantAdviserMedal"));

            //Act
            RestaurantAdviserChecker restaurantAdviserChecker = new RestaurantAdviserChecker();

            UserMedal userMedalResult = restaurantAdviserChecker.CheckIfFullfiledRequirement(userModel, userActivity);

            //Assert
            Assert.IsNotNull(userMedalResult);
        }