Add --disable-gateway parameter to the run parameters to stop the bot from connecting to discord. Useful when working on the web-api

src/Bot/Program.cs

@@ -80,17 +80,20 @@ namespace Geekbot.Bot
             var database = ConnectToDatabase();
             _globalSettings = new GlobalSettings(database);
 
+            if (!runParameters.DisableGateway)
+            {
                 logger.Information(LogSource.Geekbot, "Connecting to Discord");
                 SetupDiscordClient();
                 await Login();
                 _logger.Information(LogSource.Geekbot, $"Now Connected as {_client.CurrentUser.Username} to {_client.Guilds.Count} Servers");
                 await _client.SetGameAsync(_globalSettings.GetKey("Game"));
+            }
             
             RegisterSentry();
 
             _logger.Information(LogSource.Geekbot, "Loading Dependencies and Handlers");
             RegisterDependencies();
-            await RegisterHandlers();
+            if (!runParameters.DisableGateway) await RegisterHandlers();
 
             _logger.Information(LogSource.Api, "Starting Web API");
             StartWebApi();
@@ -187,9 +190,9 @@ namespace Geekbot.Bot
             services.AddSingleton<IDiceParser>(diceParser);
             services.AddSingleton<IReactionListener>(_reactionListener);
             services.AddSingleton<IGuildSettingsManager>(_guildSettingsManager);
-            services.AddSingleton(_client);
             services.AddTransient<IHighscoreManager>(e => new HighscoreManager(_databaseInitializer.Initialize(), _userRepository));
             services.AddTransient(e => _databaseInitializer.Initialize());
+            if (!_runParameters.DisableGateway) services.AddSingleton(_client);
             
             _servicesProvider = services.BuildServiceProvider();
         }

src/Core/RunParameters.cs

@@ -21,6 +21,9 @@ namespace Geekbot.Core
         [Option('e', "expose-errors", HelpText = "Shows internal errors in the chat (default: false) (env: EXPOSE_ERRORS)")]
         public bool ExposeErrors { get; set; } = ParamFallback("EXPOSE_ERRORS", false);
         
+        [Option("disable-gateway", HelpText = "Disables the Discord Gateway (default: false) (env: GATEWAY_DISABLE)")]
+        public bool DisableGateway { get; set; } = ParamFallback("GATEWAY_DISABLE", false);
+
         /************************************
          * Database                         *
          ************************************/

src/Web/WebApiStartup.cs

@@ -38,11 +38,13 @@ namespace Geekbot.Web
                             builder => builder.AllowAnyOrigin().AllowAnyHeader().AllowAnyMethod());
                     });
                     
-                    services.AddSingleton(commandService);
                     services.AddSingleton(databaseContext);
-                    services.AddSingleton(client);
                     services.AddSingleton(globalSettings);
                     services.AddSingleton(highscoreManager);
+
+                    if (runParameters.DisableGateway) return;
+                    services.AddSingleton(commandService);
+                    services.AddSingleton(client);
                 })
                 .Configure(app =>
                 {