Fix reminding for livetradingbot

src/Managing.Application/Grains/GrainInitializer.cs

@@ -0,0 +1,63 @@
+using Managing.Application.Abstractions.Grains;
+using Microsoft.Extensions.Hosting;
+using static Managing.Common.Enums;
+
+namespace Managing.Application.Grains;
+
+public class GrainInitializer : IHostedService
+{
+    private readonly IGrainFactory _grainFactory;
+
+    public GrainInitializer(IClusterClient grainFactory)
+    {
+        _grainFactory = grainFactory;
+    }
+
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        await InitializePriceFetcherAsync();
+        await InitializeBotRemindersAsync();
+    }
+
+    public async Task InitializeBotRemindersAsync()
+    {
+        if (Environment.GetEnvironmentVariable("TASK_SLOT") != "1")
+            return;
+
+        var grain = _grainFactory.GetGrain<IBotReminderInitializerGrain>(0);
+        await grain.InitializeBotRemindersAsync();
+    }
+
+    public async Task InitializePriceFetcherAsync()
+    {
+        if (Environment.GetEnvironmentVariable("TASK_SLOT") != "1")
+            return;
+
+        // Initialize grains for different timeframes
+        var timeframes = new[]
+        {
+            Timeframe.FiveMinutes,
+            Timeframe.FifteenMinutes,
+            Timeframe.OneHour,
+            Timeframe.FourHour,
+            Timeframe.OneDay
+        };
+
+        foreach (var timeframe in timeframes)
+        {
+            var grain = _grainFactory.GetGrain<IPriceFetcherGrain>(timeframe.ToString());
+            Console.WriteLine("Init grain for {0}: {1}", timeframe, grain.GetGrainId());
+
+            // Actually call a method on the grain to activate it
+            // This will trigger OnActivateAsync and register the reminder
+            await grain.FetchAndPublishPricesAsync();
+
+            Console.WriteLine("PriceFetcherGrain for {0} activated and initial fetch completed", timeframe);
+        }
+    }
+
+    public Task StopAsync(CancellationToken cancellationToken)
+    {
+        return Task.CompletedTask;
+    }
+}