public IActionResult Create()
{
int astronomerId = int.Parse(this.userManager.GetUserId(User));
DiscoveryFormViewModel model = new DiscoveryFormViewModel();
this.PopulateCreateViewModel(astronomerId, model);
return(View(model));
}
public IActionResult Create(DiscoveryFormViewModel model)
{
int astronomerId = int.Parse(this.userManager.GetUserId(User));
if (!ModelState.IsValid)
{
this.PopulateCreateViewModel(astronomerId, model);
return(View(model));
}
if (this.discoveryService.Exists(model.Discovery.StarSystem))
{
this.PopulateCreateViewModel(astronomerId, model);
TempData.AddErrorMessage(string.Format(WebConstants.EntryExists, StarSystem));
return(View(model));
}
if (this.starService.Exists(model.Star.Name))
{
this.PopulateCreateViewModel(astronomerId, model);
TempData.AddErrorMessage(string.Format(WebConstants.EntryExists, Star));
return(View(model));
}
int discoveryId = this.discoveryService.Create(
model.Discovery.StarSystem,
model.Discovery.Distance,
model.TelescopeId,
astronomerId,
model.AstronomerIds);
if (discoveryId <= 0)
{
return(BadRequest());
}
bool success = this.starService.Create(discoveryId, model.Star.Name, model.Star.Temperature);
if (!success)
{
this.discoveryService.Delete(discoveryId);
return(BadRequest());
}
TempData.AddSuccessMessage(string.Format(WebConstants.SuccessfullEntityOperation, Discovery, WebConstants.Added));
return(RedirectToAction(nameof(Details), new { id = discoveryId }));
}
private void PopulateCreateViewModel(int astronomerId, DiscoveryFormViewModel model)
{
model.Astronomers = this.GetAstronomers(astronomerId);
model.Telescopes = this.GetTelescopes();
}