Add example connection string

AS1024.GeoFeed/GeoFeedLocalCache/GeoFeedCacheService.cs

@@ -6,7 +6,6 @@ namespace AS1024.GeoFeed.GeoFeedLocalCache
 {
     public class GeoFeedCacheService : IHostedService
     {
-        CancellationToken _cancellationToken;
         private readonly ILogger<GeoFeedCacheService> logger;
         private readonly IGeoFeedProvider feedProvider;
         private readonly IHost host;
@@ -22,7 +21,7 @@ namespace AS1024.GeoFeed.GeoFeedLocalCache
 
         public Task StartAsync(CancellationToken cancellationToken)
         {
-            _ = StartPerioidicSync();
+            _ = StartPerioidicSync(cancellationToken);
             return Task.CompletedTask;
         }
 
@@ -31,14 +30,13 @@ namespace AS1024.GeoFeed.GeoFeedLocalCache
             return Task.CompletedTask;
         }
 
-        public async Task<bool> StartPerioidicSync()
+        public async Task<bool> StartPerioidicSync(CancellationToken Token)
         {
             await DBContextMigrate();
 
             List<GeoFeedCacheEntry> geoFeedCacheEntry = [];
-            while (!_cancellationToken.IsCancellationRequested)
+            while (!Token.IsCancellationRequested)
             {
-                await Task.Delay(TimeSpan.FromMinutes(30));
                 logger.LogInformation("Running on disk fallback cache process...");
                 try
                 {
@@ -63,13 +61,14 @@ namespace AS1024.GeoFeed.GeoFeedLocalCache
                     {
                         dbContext.GeoFeedCacheEntries.RemoveRange(dbContext.GeoFeedCacheEntries.ToArray());
                     }
-                    await dbContext.AddRangeAsync(geoFeedCacheEntry);
-                    await dbContext.SaveChangesAsync();
+                    await dbContext.AddRangeAsync(geoFeedCacheEntry, Token);
+                    await dbContext.SaveChangesAsync(Token);
                 }
                 catch (Exception ex)
                 {
                     logger.LogWarning("On disk cache failed to run. Waiting on 30 minutes before retry...");
                 }
+                await Task.Delay(TimeSpan.FromMinutes(30));
             }
 
             return false;
@@ -79,11 +78,13 @@ namespace AS1024.GeoFeed.GeoFeedLocalCache
         {
             using IServiceScope scope = host.Services.CreateScope();
             using GeoFeedCacheDbContext? dbContext =
-                host.Services.GetService<GeoFeedCacheDbContext>();
-            if (dbContext.Database.GetPendingMigrations().Any())
-            {
+                scope.ServiceProvider.GetService<GeoFeedCacheDbContext>();
+#pragma warning disable CS8602 // Dereference of a possibly null reference.
+            if (dbContext.Database.GetPendingMigrations().Any()) {
                 await dbContext.Database.MigrateAsync();
             }
+#pragma warning restore CS8602 // Dereference of a possibly null reference.
+
         }
     }
 }

AS1024.GeoFeed/appsettings.json

@@ -5,6 +5,9 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
+  "ConnectionStrings": {
+    "LocalFeedCache": "Data Source=localcache.db"
+  },
   "AllowedHosts": "*",
   "APIKey": "",
   "NetBoxHost": ""