public JsonResult CreateStep([DataSourceRequest] DataSourceRequest request, int tutorialId, StepDisplayModel stepModel)
{
var tutorial = this.db.Tutorials.Find(tutorialId);
var user = this.db.Users.FirstOrDefault(u => u.UserName == HttpContext.User.Identity.Name);
if (user != tutorial.User)
{
ModelState.AddModelError("Permissions", "You don't have permissions");
}
if (tutorial != null && user != null && tutorial.User == user && ModelState.IsValid)
{
Step step = new Step();
step.Content = stepModel.Content;
step.Title = stepModel.Title;
string newImage = this.GetStepImage(tutorial.Title, step.Title);
if (newImage != null)
{
step.Image = newImage;
}
tutorial.Steps.Add(step);
db.SaveChanges();
}
return Json(new[] { stepModel }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}
public JsonResult DeleteStep([DataSourceRequest] DataSourceRequest request, int id, StepDisplayModel stepModel)
{
var step = this.db.Steps.Include("Tutorial").FirstOrDefault(st => st.Id == stepModel.Id);
var tutorial = step.Tutorial;
var user = tutorial.User;
if (user.UserName != HttpContext.User.Identity.Name)
{
ModelState.AddModelError("Permissions", "You don't have permissions");
return Json(new[] { stepModel }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}
if (step != null)
{
this.db.Steps.Remove(step);
this.db.SaveChanges();
}
return Json(new[] { stepModel }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}
public JsonResult UpdateStep([DataSourceRequest] DataSourceRequest request, StepDisplayModel stepModel)
{
var step = this.db.Steps.FirstOrDefault(st => st.Id == stepModel.Id);
if (step != null && ModelState.IsValid)
{
step.Title = stepModel.Title;
step.Content = stepModel.Content;
var tutorial = step.Tutorial;
string newImage = this.GetStepImage(tutorial.Title, step.Title);
if (newImage != null)
{
step.Image = newImage;
}
this.db.SaveChanges();
}
return Json(new[] { stepModel }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}
public JsonResult DeleteStep([DataSourceRequest] DataSourceRequest request, StepDisplayModel stepModel)
{
var step = this.db.Steps.FirstOrDefault(st => st.Id == stepModel.Id);
if (step != null)
{
this.db.Steps.Remove(step);
this.db.SaveChanges();
}
return Json(new[] { stepModel }.ToDataSourceResult(request, ModelState), JsonRequestBehavior.AllowGet);
}