public async Task <IActionResult> Index()
{
if (_context.VPCs.ToList().Count == 0)
{
return(RedirectToAction("", "Home", ""));
}
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
public async Task <IActionResult> Index(string action, string subnetID)
{
if (action.Equals("Delete") && !String.IsNullOrEmpty(subnetID))
{
Subnet Deletesubnet = await _context.Subnets.FindAsync(Int32.Parse(subnetID));
if (Deletesubnet == null)
{
TempData["Result"] = "Invaild Subnet!";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
else if (Deletesubnet.editable == false)
{
TempData["Result"] = "You cannot delete a default subnet!";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
else
{
DescribeSubnetsResponse response = await EC2Client.DescribeSubnetsAsync(new DescribeSubnetsRequest
{
Filters = new List <Amazon.EC2.Model.Filter>
{
new Filter("vpc-id", new List <string>
{
Deletesubnet.LinkedVPC.AWSVPCReference
})
}
});
Boolean flag = false;
for (int i = 0; i < response.Subnets.Count; i++)
{
Amazon.EC2.Model.Subnet subnet = response.Subnets[i];
String retrievedID = subnet.SubnetId;
if (Deletesubnet.AWSVPCSubnetReference.Equals(retrievedID))
{
flag = true;
break;
}
}
if (flag == false)
{
ViewData["Result"] = "Subnet not found! The subnet may have been modified by another user";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
else
{
try
{
List <RouteTable> RTs = await _context.RouteTables.ToListAsync();
DeleteSubnetRequest request = new DeleteSubnetRequest(Deletesubnet.AWSVPCSubnetReference);
DeleteSubnetResponse responseEC2 = await EC2Client.DeleteSubnetAsync(request);
if (responseEC2.HttpStatusCode == HttpStatusCode.OK)
{
_context.Subnets.Remove(Deletesubnet);
await _context.SaveChangesAsync();
TempData["Result"] = "Successfully Deleted!";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
else
{
TempData["Result"] = "Failed!";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
}
catch (AmazonEC2Exception e)
{
TempData["Result"] = e.Message;
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
}
}
}
else if (action.Equals("Modify") && !String.IsNullOrEmpty(subnetID))
{
var Modifysubnet = await _context.Subnets.FindAsync(Int32.Parse(subnetID));
if (Modifysubnet.editable == false)
{
ViewData["Result"] = "You cannot modify a default subnet!";
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
return(RedirectToAction("Edit", new { id = subnetID }));
}
else
{
ChallengeNetworkParentViewModel model = new ChallengeNetworkParentViewModel
{
RetrievedSubnets = await _context.Subnets.ToListAsync(),
RetrievedRoutes = await _context.Routes.ToListAsync()
};
return(View(model));
}
}