public async Task <ActionResult> Get(IpViewModel inputModel)
{
if (ModelState.IsValid)
{
IpCache cache = new IpCache();
IpViewModel ipViewModel;
if (cache.TryGetFromCache(inputModel.IP, out IpViewModel model))
{
ipViewModel = model;
return(View("Index", ipViewModel));
}
//try ip2c Service
int tries = 0;
while (tries < 3)
{
try
{
IService ip2cService = new Ip2cService();
ipViewModel = await ip2cService.TryGetIpViewModel(inputModel.IP);
ipViewModel.ProviderOrCacheUsed = "Ip2c";
return(View("Index", ipViewModel));
}
catch (TaskCanceledException)
{
tries += 1;
}
catch (HttpStatusCodeNotOKException)
{
tries += 1;
}
catch (IpIsValidButDoesNotCorrespondToAnyCountryException)
{
ViewData["ErrorMessage"] = "This Ip is valid but does not correspond to any country";
return(View("Index"));
}
catch (Exception)
{
tries += 1;
}
}
// try ipStack Service
tries = 0;
while (tries < 3)
{
try
{
IService ipStackService = new IpStackService();
ipViewModel = await ipStackService.TryGetIpViewModel(inputModel.IP);
ipViewModel.ProviderOrCacheUsed = "IpStack";
return(View("Index", ipViewModel));
}
catch (TaskCanceledException)
{
tries += 1;
}
catch (HttpStatusCodeNotOKException)
{
tries += 1;
}
catch (IpIsValidButDoesNotCorrespondToAnyCountryException)
{
ViewData["ErrorMessage"] = "This Ip is valid but does not correspond to any country";
return(View("Index"));
}
catch (Exception)
{
tries += 1;
}
}
// this far all have failed so return null model
ViewData["ErrorMessage"] = "Services Failed";
return(View("Index"));
}
else
{
return(View("Index"));
}
}
