private static async Task <List <Draw> > GetAllAndSaveAsync(INunofcService nunofcService, IDataService dataService)
{
// Get past draws from API
List <Draw> draws = await nunofcService.GetAllAsync();
if (draws == null)
{
Console.WriteLine("Failed to get all draws.");
return(draws);
}
// Save past draws to file
dataService.SaveFile(draws, Entities.Type.Drawn);
return(draws);
}
static async Task Main(string[] args)
{
// Init Startup
var startup = new Startup();
// Request services instances from the service pipeline
IDataService dataService = startup.Provider.GetRequiredService <IDataService>();
INunofcService nunofcService = startup.Provider.GetRequiredService <INunofcService>();
IDrawsService drawsService = startup.Provider.GetRequiredService <IDrawsService>();
IMailService mailService = startup.Provider.GetRequiredService <IMailService>();
// List of past draws
List <Draw> pastDraws = new List <Draw>();
// Get past draws from file
pastDraws = dataService.ReadFile(Entities.Type.Drawn);
if (pastDraws == null)
{
await GetAllAndSaveAsync(nunofcService, dataService);
}
else
{
// Get last draw from API
Draw lastDraw = await nunofcService.GetLastAsync();
// Get last draw from past draws list
Draw lastDrawSaved = pastDraws.OrderByDescending(o => o.Date).FirstOrDefault();
if (lastDraw.Date == lastDrawSaved.Date)
{
Console.WriteLine("Past draws list already updated.");
}
else
{
// Days difference between today and last draw in file
TimeSpan daysDif = lastDraw.Date - lastDrawSaved.Date;
// Get all draws if last draw saved was more than 3 or 4 days ago (Friday or Tuesday respectively)
if (lastDraw.Date.DayOfWeek == DayOfWeek.Friday && daysDif.Days > 3 ||
lastDraw.Date.DayOfWeek == DayOfWeek.Tuesday && daysDif.Days > 4)
{
pastDraws = await GetAllAndSaveAsync(nunofcService, dataService);
}
else
{
// Update past draws list with last draw
pastDraws = dataService.UpdateFile(pastDraws, lastDraw, Entities.Type.Drawn);
}
}
}
// Generate number of keys according to appsettings
List <Draw> newDraws = drawsService.Generate(pastDraws);
// Get past generated draws
List <Draw> pastGeneratedDraws = dataService.ReadFile(Entities.Type.Generated);
if (pastGeneratedDraws != null && pastGeneratedDraws.Any())
{
List <Draw> stillValidGeneratedDraws = new List <Draw>();
// Get last generated draw
Draw lastGeneratedDraw = pastGeneratedDraws.OrderByDescending(o => o.Date).ToList().FirstOrDefault();
foreach (Draw draw in pastGeneratedDraws.Where(w => w.Date == lastGeneratedDraw.Date).ToList())
{
// Add draw to temp generated list if valid
if (drawsService.IsDrawValid(draw, pastDraws))
{
stillValidGeneratedDraws.Add(draw);
}
}
if (stillValidGeneratedDraws.Any())
{
// Replace new draws with past generated draws that are still valid
int missingDraws = newDraws.Count() - stillValidGeneratedDraws.Count();
if (missingDraws > 0)
{
Random random = new Random();
for (int i = 0; i < missingDraws; i++)
{
int index = random.Next(missingDraws);
stillValidGeneratedDraws.Add(newDraws[index]);
}
}
newDraws = stillValidGeneratedDraws;
}
}
// Send keys by email
mailService.Send(newDraws);
// Save generated keys to file
dataService.SaveFile(newDraws, Entities.Type.Generated);
}