Add Hangfire configuration options and refactor setup logic

Mimir/Extensions/ServiceCollectionExtensions.cs

@@ -0,0 +1,56 @@
+using Hangfire;
+using Hangfire.Redis;
+using Microsoft.Extensions.DependencyInjection;
+using Mimir.Options;
+using StackExchange.Redis;
+
+namespace Mimir.Extensions;
+
+public static class ServiceCollectionExtensions
+{
+    public static IServiceCollection AddHangfireServices(
+        this IServiceCollection services,
+        HangfireOption hangfireOption)
+    {
+        var redisConfig = new ConfigurationOptions 
+        { 
+            DefaultDatabase = hangfireOption.RedisDatabase 
+        };
+
+        redisConfig.EndPoints.Add(hangfireOption.RedisHost, hangfireOption.RedisPort);
+
+        if (!string.IsNullOrEmpty(hangfireOption.RedisUsername))
+        {
+            redisConfig.User = hangfireOption.RedisUsername;
+        }
+
+        if (!string.IsNullOrEmpty(hangfireOption.RedisPassword))
+        {
+            redisConfig.Password = hangfireOption.RedisPassword;
+        }
+
+        var connectionMultiplexer = ConnectionMultiplexer.Connect(redisConfig);
+        services.AddSingleton<IConnectionMultiplexer>(connectionMultiplexer);
+
+        services.AddHangfire(
+            (provider, config) =>
+            {
+                config.UseRedisStorage(
+                    connectionMultiplexer,
+                    new RedisStorageOptions
+                    {
+                        Prefix = hangfireOption.RedisPrefix,
+                        Db = hangfireOption.RedisDatabase,
+                    }
+                );
+            }
+        );
+
+        services.AddHangfireServer(options =>
+        {
+            options.WorkerCount = hangfireOption.WorkerCount;
+        });
+
+        return services;
+    }
+}

Mimir/Options/HangfireOption.cs

@@ -3,6 +3,8 @@ namespace Mimir.Options;
 public class HangfireOption
 {
     public const string SectionName = "Hangfire";
+
+    public bool IsEnabled { get; set; } = false;
     public string RedisConnectionString { get; set; } = string.Empty;
     public string DashboardPath { get; set; } = "/hangfire";
     public int WorkerCount { get; set; } = Environment.ProcessorCount;

Mimir/Program.cs

@@ -11,6 +11,7 @@
 using Libplanet.Crypto;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
+using Mimir.Extensions;
 using Mimir.GraphQL;
 using Mimir.MongoDB.Bson;
 using Mimir.MongoDB.Repositories;
@@ -121,47 +122,14 @@
 
 // ~MongoDB repositories.
 
-// Hangfire and Redis configuration
+// Hangfire configuration
 var hangfireOption = builder
     .Configuration.GetSection(HangfireOption.SectionName)
     .Get<HangfireOption>();
-if (hangfireOption != null)
-{
-    var redisConfig = new ConfigurationOptions { DefaultDatabase = hangfireOption.RedisDatabase };
-
-    redisConfig.EndPoints.Add(hangfireOption.RedisHost, hangfireOption.RedisPort);
 
-    if (!string.IsNullOrEmpty(hangfireOption.RedisUsername))
-    {
-        redisConfig.User = hangfireOption.RedisUsername;
-    }
-
-    if (!string.IsNullOrEmpty(hangfireOption.RedisPassword))
-    {
-        redisConfig.Password = hangfireOption.RedisPassword;
-    }
-
-    var connectionMultiplexer = ConnectionMultiplexer.Connect(redisConfig);
-    builder.Services.AddSingleton<IConnectionMultiplexer>(connectionMultiplexer);
-
-    builder.Services.AddHangfire(
-        (provider, config) =>
-        {
-            config.UseRedisStorage(
-                connectionMultiplexer,
-                new RedisStorageOptions
-                {
-                    Prefix = hangfireOption.RedisPrefix,
-                    Db = hangfireOption.RedisDatabase,
-                }
-            );
-        }
-    );
-
-    builder.Services.AddHangfireServer(options =>
-    {
-        options.WorkerCount = hangfireOption.WorkerCount;
-    });
+if (hangfireOption?.IsEnabled == true)
+{
+    builder.Services.AddHangfireServices(hangfireOption);
 }
 
 // State recovery service
@@ -242,7 +210,7 @@
 var app = builder.Build();
 
 // Hangfire dashboard
-if (hangfireOption != null)
+if (hangfireOption?.IsEnabled == true)
 {
     app.UseHangfireDashboard(
         hangfireOption.DashboardPath,

Mimir/appsettings.json

@@ -29,6 +29,7 @@
     "ApiKeys": ["YOUR_CMC_API_KEY1", "YOUR_CMC_API_KEY2"]
   },
   "Hangfire": {
+    "IsEnabled": false,
     "RedisHost": "localhost",
     "RedisPort": 6379,
     "RedisUsername": "",