Поменял папку с ключами

SfeduSchedule/Program.cs

@@ -3,6 +3,7 @@ using System.Reflection;
 using System.Threading.RateLimiting;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.OpenIdConnect;
+using Microsoft.AspNetCore.DataProtection;
 using Microsoft.AspNetCore.HttpOverrides;
 using Microsoft.AspNetCore.Mvc.ApplicationParts;
 using Microsoft.Identity.Web;
@@ -41,12 +42,19 @@ var timeLimit = int.TryParse(configuration["TIME_LIMIT"], out var parsedTimeLimi
 #endregion
 
 #region Работа с папкой данных
-// создать папку data если не существует
+// Создать папку data если не существует
 var dataDirectory = Path.Combine(AppContext.BaseDirectory, "data");
 if (!Directory.Exists(dataDirectory)) Directory.CreateDirectory(dataDirectory);
 
 GlobalConsts.JwtFilePath = Path.Combine(dataDirectory, "jwt.txt");
+
+// Создать подкаталог для плагинов
 var pluginsPath = Path.Combine(dataDirectory, "Plugins");
+if (!Directory.Exists(pluginsPath)) Directory.CreateDirectory(pluginsPath);
+
+// Создать подкаталог для ключей Data Protection
+var dataProtectionKeysDirectory = Path.Combine(dataDirectory, "keys");
+if (!Directory.Exists(dataProtectionKeysDirectory)) Directory.CreateDirectory(dataProtectionKeysDirectory);
 #endregion
 
 #region Работа с логированием
@@ -79,7 +87,7 @@ builder.Services.AddHttpClient("modeus", client =>
     client.BaseAddress = new Uri(configuration["MODEUS_URL"]!);
 });
 builder.Services.AddSingleton<ModeusHttpClient>();
-builder.Services.AddScoped<ModeusService>();
+builder.Services.AddSingleton<ModeusService>();
 builder.Services.AddHttpClient("authClient");
 
 builder.Services.AddAuthentication()
@@ -229,6 +237,10 @@ builder.Services.Configure<ForwardedHeadersOptions>(options =>
     options.KnownNetworks.Add(new IPNetwork(IPAddress.Parse("172.16.0.0"), 12)); // 172.16.x.x - 172.31.x.x
 });
 
+// Хранение ключей Data Protection в папке data
+builder.Services.AddDataProtection()
+    .PersistKeysToFileSystem(new DirectoryInfo(dataProtectionKeysDirectory));
+
 var app = builder.Build();
 
 var logger = app.Services.GetRequiredService<ILogger<Program>>();

SfeduSchedule/Services/ModeusHttpClient.cs

@@ -24,7 +24,7 @@ public class ModeusHttpClient
     public void SetToken(string? token)
     {
         if (string.IsNullOrWhiteSpace(token)) {
-            _logger.LogErrorHere("Предоставленный токен пустой.");
+            _logger.LogInformationHere("Предоставленный токен пустой.");
             return;
         }
 

SfeduSchedule/Services/ModeusService.cs

@@ -32,7 +32,7 @@ public class ModeusService
         if (schedule == null)
         {
             _logger.LogErrorHere($"schedule is null. {JsonSerializer.Serialize(msr, GlobalConsts.JsonSerializerOptions)}");
-            throw new Exception("Schedule is null");
+            return null;
         }
 
         Schedule? scheduleJson;
@@ -198,6 +198,11 @@ public class ModeusService
     {
         return await _modeusHttpClient.GetGuidAsync(fullname);
     }
+    
+    public async Task<List<Attendees>> GetAttendeesAsync(Guid eventId)
+    {
+        return await _modeusHttpClient.GetAttendeesAsync(eventId);
+    }
 
     #endregion
 }