/// <summary>
/// This method will load all ips to memory
/// in order to update the ipdetails and keep track
/// of the progress. If its not null then another process is
/// on and will be skiped
/// </summary>
/// <param name="ips"></param>
public bool LoadIpsToMemory(UpdateIpDetails update)
{
if (_cache.Get("IpUpdate") == null)
{
_cache.Set("IpUpdate", update);
return(true);
}
return(false);
}
private UpdateIpDetails CreateObjectForUpdate(HashSet <string> ips)
{
UpdateIpDetails update = new UpdateIpDetails
{
Ips = ips,
Total = ips.Count(),
Id = Guid.NewGuid().ToString(),
Completed = 0
};
return(update);
}
public UpdateIpDetails InitiateUpdateInformation()
{
/// Get all the ips from DB for the update
HashSet <string> ips = _ctx.IPDetails.Select(x => x.Ip).ToHashSet();
/// Create the object that will be stored in memory and keep the
/// progress status
UpdateIpDetails update = CreateObjectForUpdate(ips);
/// Load the object to the memory
bool clearOfOtherProcess = _memory.LoadIpsToMemory(update);
if (!clearOfOtherProcess)
{
// return "Another process is running! Please try again later.";
}
return(update);
}
private async Task StartUpdatingIps(UpdateIpDetails update)
{
/// End the process
if (update.Ips.Count() == 0)
{
_memory.RemoveItem("Update");
return;
}
List <IPDetails> result;
/// Take 10 and continue if there are plenty left
if (update.Ips.Count() >= 10)
{
HashSet <string> ipToProcess = update.Ips.Take(10).ToHashSet();
result = await _ipInfoProvider.GetDetailsForMany(ipToProcess);
UpdateMultipleIps(result, ipToProcess);
update.Ips = update.Ips.Skip(10).ToHashSet();
update.Completed += 10;
_memory.InsertToMemory("IpUpdate", update);
await StartUpdatingIps(update).ConfigureAwait(false);
return;
}
/// Take the last items and finish
result = await _ipInfoProvider.GetDetailsForMany(update.Ips).ConfigureAwait(false);
UpdateMultipleIps(result, update.Ips);
_memory.RemoveItem("Update");
}
public void UpdateAllInfo(UpdateIpDetails update)
{
/// Start the update method and return the Id to the user
Task.Run(() => StartUpdatingIps(update));
}
