InitialCode Commit

2025-09-07 19:06:43 +02:00
parent 887948bb02
commit d29e25992b
183 changed files with 82537 additions and 0 deletions
@@ -0,0 +1,66 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using MTG_CollectionVerwaltung.API_Connector;
+using MTG_CollectionVerwaltung.Data.MTGCollection;
+using System;
+using System.IO;
+using System.Threading;
+using System.Threading.Tasks;
+
+public class ScryfallDBUpdater : BackgroundService
+{
+    private readonly ILogger<ScryfallDBUpdater> _logger;
+    private readonly IServiceProvider _serviceProvider;
+    private readonly TimeSpan interval = TimeSpan.FromDays(7);
+    private const string actFile = "nextActualisation.txt";
+    private const string dwlFile = "nextDownload.txt";
+
+    public ScryfallDBUpdater(ILogger<ScryfallDBUpdater> logger, IServiceProvider serviceProvider)
+    {
+        _logger = logger;
+        _serviceProvider = serviceProvider;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        DateTime nextUpdate = DateTime.MinValue;
+        if (File.Exists(actFile) && DateTime.TryParse(File.ReadAllText(actFile), out var fileTime))
+        {
+            nextUpdate = fileTime;
+        }
+
+        var delay = TimeSpan.FromDays(7) - (DateTime.Now-nextUpdate);
+        if (delay < TimeSpan.Zero) delay = TimeSpan.Zero;
+        bool dwupdate = true;
+        await Task.Delay(delay, stoppingToken);
+
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            try
+            {
+                using var scope = _serviceProvider.CreateScope();
+                var dbContext = scope.ServiceProvider.GetRequiredService<MTGContext>();
+                var connector = new ScryfallConnector(dbContext);
+                _logger.LogInformation("Scryfall DB Update startet...");
+                if (File.Exists(dwlFile) && DateTime.TryParse(File.ReadAllText(dwlFile), out var dwTime))
+                {
+                    dwupdate = dwTime.Day != DateTime.Now.Day;
+                }
+                if(dwupdate) await connector.LoadDataAsync();
+                File.WriteAllText(dwlFile, DateTime.Now.ToString());
+                await connector.ActualizeDbAsync();
+                File.WriteAllText(actFile, DateTime.Now.ToString());
+                _logger.LogInformation("Scryfall DB Update abgeschlossen.");
+                dbContext.ChangeTracker.Clear();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Fehler beim Scryfall DB Update");
+            }
+            
+            await Task.Delay(interval, stoppingToken);
+        }
+    }
+}