Setting locales done? Needs testing

src/NadekoBot/Modules/Administration/Commands/LocalizationCommands.cs

@@ -19,7 +19,7 @@ namespace NadekoBot.Modules.Administration.Commands
             [NadekoCommand, Usage, Description, Aliases]
             [RequireContext(ContextType.Guild)]
             [RequireUserPermission(GuildPermission.Administrator)]
-            public async Task SetLocale([Remainder] string name)
+            public async Task SetLocale([Remainder] string name = null)
             {
                 CultureInfo ci = null;
                 try
@@ -42,17 +42,17 @@ namespace NadekoBot.Modules.Administration.Commands
 
             [NadekoCommand, Usage, Description, Aliases]
             [OwnerOnly]
-            public async Task SetDefaulLocale(string name)
+            public async Task SetDefaultLocale(string name)
             {
                 CultureInfo ci = null;
                 try
                 {
                     if (name.Trim().ToLowerInvariant() == "default")
                     {
-                        NadekoBot.Localization.RemoveGuildCulture(Context.Guild);
+                        NadekoBot.Localization.ResetDefaultCulture();
                     }
                     ci = new CultureInfo(name);
-                    NadekoBot.Localization.SetGuildCulture(Context.Guild, ci);
+                    NadekoBot.Localization.SetDefaultCulture(ci);
 
                     await Context.Channel.SendConfirmAsync($"Your guild's locale is now {ci}.").ConfigureAwait(false);
                 }

src/NadekoBot/Resources/CommandStrings.Designer.cs

@@ -6755,6 +6755,33 @@ namespace NadekoBot.Resources {
             }
         }
         
+        /// <summary>
+        ///    Looks up a localized string similar to setdefaultlocale sdl.
+        /// </summary>
+        public static string setdefaultlocale_cmd {
+            get {
+                return ResourceManager.GetString("setdefaultlocale_cmd", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///    Looks up a localized string similar to Sets the bot&apos;s default locale. All servers which use a default locale will use this one. Setting to `default` will use the host&apos;s current culture..
+        /// </summary>
+        public static string setdefaultlocale_desc {
+            get {
+                return ResourceManager.GetString("setdefaultlocale_desc", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///    Looks up a localized string similar to `{0}sdl en-US` or `{0}sdl default`.
+        /// </summary>
+        public static string setdefaultlocale_usage {
+            get {
+                return ResourceManager.GetString("setdefaultlocale_usage", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///    Looks up a localized string similar to setgame.
         /// </summary>
@@ -6782,6 +6809,33 @@ namespace NadekoBot.Resources {
             }
         }
         
+        /// <summary>
+        ///    Looks up a localized string similar to setlocale sl.
+        /// </summary>
+        public static string setlocale_cmd {
+            get {
+                return ResourceManager.GetString("setlocale_cmd", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///    Looks up a localized string similar to Sets this server&apos;s response locale (language). If bot&apos;s response strings have been translated to that language, bot will use that language in this server. Reset by using `default` as the locale name..
+        /// </summary>
+        public static string setlocale_desc {
+            get {
+                return ResourceManager.GetString("setlocale_desc", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///    Looks up a localized string similar to `{}sl de-DE ` or `{0}sl default`.
+        /// </summary>
+        public static string setlocale_usage {
+            get {
+                return ResourceManager.GetString("setlocale_usage", resourceCulture);
+            }
+        }
+        
         /// <summary>
         ///    Looks up a localized string similar to setmaxplaytime smp.
         /// </summary>

src/NadekoBot/Resources/CommandStrings.resx

@@ -3105,4 +3105,22 @@
   <data name="timezone_usage" xml:space="preserve">
     <value>`{0}timezone`</value>
   </data>
+  <data name="setdefaultlocale_cmd" xml:space="preserve">
+    <value>setdefaultlocale sdl</value>
+  </data>
+  <data name="setdefaultlocale_desc" xml:space="preserve">
+    <value>Sets the bot's default locale. All servers which use a default locale will use this one. Setting to `default` will use the host's current culture.</value>
+  </data>
+  <data name="setdefaultlocale_usage" xml:space="preserve">
+    <value>`{0}sdl en-US` or `{0}sdl default`</value>
+  </data>
+  <data name="setlocale_cmd" xml:space="preserve">
+    <value>setlocale sl</value>
+  </data>
+  <data name="setlocale_desc" xml:space="preserve">
+    <value>Sets this server's response locale (language). If bot's response strings have been translated to that language, bot will use that language in this server. Reset by using `default` as the locale name.</value>
+  </data>
+  <data name="setlocale_usage" xml:space="preserve">
+    <value>`{}sl de-DE ` or `{0}sl default`</value>
+  </data>
 </root>

src/NadekoBot/Services/Impl/Localization.cs

@@ -14,6 +14,7 @@ namespace NadekoBot.Services
     public class Localization
     {
         public ConcurrentDictionary<ulong, CultureInfo> GuildCultureInfos { get; }
+        public CultureInfo DefaultCultureInfo { get; private set; } = CultureInfo.CurrentCulture;
 
         private Localization() { }
         public Localization(IDictionary<ulong, string> cultureInfoNames)
@@ -68,11 +69,19 @@ namespace NadekoBot.Services
             }
         }
 
+        internal void SetDefaultCulture(CultureInfo ci)
+        {
+            DefaultCultureInfo = ci;
+        }
+
+        public void ResetDefaultCulture()
+        {
+            DefaultCultureInfo = CultureInfo.CurrentCulture;
+        }
+
         public CultureInfo GetCultureInfo(IGuild guild) =>
             GetCultureInfo(guild.Id);
 
-        public CultureInfo DefaultCultureInfo { get; } = CultureInfo.CurrentCulture;
-
         public CultureInfo GetCultureInfo(ulong guildId)
         {
             CultureInfo info = null;