public HttpResponseMessage Put(Guid id, Survey survey)
{
if (string.IsNullOrWhiteSpace(survey.Name))
{
throw this.WebException(HttpStatusCode.BadRequest, "Survey name cannot be empty");
}
var currentSurvey = this.surveyRepository.Get(id);
if (currentSurvey != null)
{
if (!currentSurvey.Name.Equals(survey.Name, StringComparison.InvariantCulture))
{
currentSurvey.Name = survey.Name;
currentSurvey.Slug = currentSurvey.Name.GenerateSlug();
}
currentSurvey.Description = survey.Description;
this.surveyRepository.Update(currentSurvey, survey.Questions);
// Response Message
return this.Request.CreateResponse<Survey>(HttpStatusCode.OK, currentSurvey);
}
else
{
// We are not supporting creation through PUT
throw this.WebException(HttpStatusCode.NotFound);
}
}
public Survey Insert(Survey survey)
{
if (survey == null)
{
throw new ArgumentNullException("survey", "Parameter survey cannot be null.");
}
var addedSurvey = this.surveyContext.Surveys.Add(survey);
this.surveyContext.SaveChanges();
return addedSurvey;
}
public void Update(Survey survey, ICollection<SurveyQuestion> updatedQuestions)
{
if (survey == null)
{
throw new ArgumentNullException("survey", "Parameter survey cannot be null.");
}
var entry = this.surveyContext.Entry(survey);
var attachedSurvey = this.surveyContext.Surveys.Attach(survey);
// TODO: Review this (there should be a better way to update survey questions automatically - Review DB design)
this.UpdateQuestions(attachedSurvey.Questions, updatedQuestions);
entry.State = EntityState.Modified;
this.surveyContext.SaveChanges();
}
public HttpResponseMessage Post(Survey survey)
{
if (string.IsNullOrWhiteSpace(survey.Name))
{
throw this.WebException(HttpStatusCode.BadRequest, "Survey name cannot be empty");
}
survey.Slug = survey.Name.GenerateSlug();
var addedSurvey = this.surveyRepository.Insert(survey);
// Response Message
var response = this.Request.CreateResponse<Survey>(HttpStatusCode.Created, addedSurvey);
var surveyUri = Url.Link("SurveysApi", new { Id = addedSurvey.Id });
response.Headers.Location = new Uri(surveyUri);
return response;
}
