Engage.Survey.Entities.SurveyRepository.DeleteSurvey C# (CSharp) Method

        public void DeleteSurvey(int surveyId, int moduleId)
        {
            var survey = this.LoadSurvey(surveyId, moduleId);

            this.Context.Surveys.DeleteOnSubmit(survey);
            this.Context.Sections.DeleteAllOnSubmit(survey.Sections);
            var questions = survey.Sections.SelectMany(section => section.Questions);
            this.Context.Questions.DeleteAllOnSubmit(questions);
            var answers = questions.SelectMany(question => question.Answers);
            this.Context.Answers.DeleteAllOnSubmit(answers);
            var responses = this.Context.Responses.Where(response => response.SurveyId == surveyId);
            this.Context.Responses.DeleteAllOnSubmit(responses);
            var responseHeaders = responses.Select(response => response.ResponseHeader);
            this.Context.ResponseHeaders.DeleteAllOnSubmit(responseHeaders);

            this.Context.SubmitChanges();
        }

        public void DeleteSurvey(int surveyId)
        {
            var surveyRepository = new SurveyRepository();
            var moduleId = surveyRepository.GetModuleIdForSurvey(surveyId);
            if (!this.CanEditModule(moduleId))
            {
                this.DenyAccess();
            }

            surveyRepository.DeleteSurvey(surveyId, moduleId);
        }