Add campaign manager

Hcs.WebApp/BackgroundServices/CampaignManagementService.cs

@@ -0,0 +1,55 @@
+using Hcs.WebApp.BackgroundServices.CampaignManagers;
+using Hcs.WebApp.Services;
+
+namespace Hcs.WebApp.BackgroundServices
+{
+    public class CampaignManagementService(
+        CampaignManagementState campaignManagementState,
+        ManagerFactory managerFactory,
+        IServiceScopeFactory scopeFactory) : BackgroundService
+    {
+        private const int SLEEP_TIME = 30000;
+
+        private readonly CampaignManagementState campaignManagementState = campaignManagementState;
+        private readonly ManagerFactory managerFactory = managerFactory;
+        private readonly IServiceScopeFactory scopeFactory = scopeFactory;
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            await InitializeStateAsync();
+
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                while (campaignManagementState.TryDequeueCampaign(out var campaign))
+                {
+                    if (stoppingToken.IsCancellationRequested) return;
+
+                    try
+                    {
+                        var manager = managerFactory.CreateManager(campaign);
+                        await manager.StartAsync(stoppingToken);
+                    }
+                    catch
+                    {
+                        // TODO: Добавить таймауты
+                        campaignManagementState.EnqueueCampaign(campaign);
+                    }
+                }
+
+                await Task.Delay(SLEEP_TIME, stoppingToken);
+            }
+        }
+
+        private async Task InitializeStateAsync()
+        {
+            using var scope = scopeFactory.CreateScope();
+            var headquartersService = scope.ServiceProvider.GetRequiredService<HeadquartersService>();
+
+            var campaigns = await headquartersService.GetInitiatedCampaignAsync();
+            foreach (var campaign in campaigns)
+            {
+                campaignManagementState.EnqueueCampaign(campaign);
+            }
+        }
+    }
+}