Added and applied styles for private readonly fields, private fields to Extensions and Common folders.

- Some renamings and code cleanups
- Chained method calls, binary expressions and binary patterns will now break into newlines
- Type param constraints and base constructor calls will be on the new line

src/NadekoBot/Modules/Administration/LocalizationCommands.cs

@@ -43,8 +43,8 @@ public partial class Administration
         [Priority(0)]
         public async Task LanguageSet()
             => await ReplyConfirmLocalizedAsync(strs.lang_set_show(
-                Format.Bold(_cultureInfo.ToString()),
-                Format.Bold(_cultureInfo.NativeName)));
+                Format.Bold(Culture.ToString()),
+                Format.Bold(Culture.NativeName)));
 
         [NadekoCommand, Aliases]
         [RequireContext(ContextType.Guild)]

src/NadekoBot/Modules/Administration/Services/LogCommandService.cs

@@ -1002,8 +1002,7 @@ public sealed class LogCommandService : ILogCommandService
         {
             try
             {
-                var msg = optMsg.Value as IUserMessage;
-                if (msg is null || msg.IsAuthor(_client))
+                if (optMsg.Value is not IUserMessage msg || msg.IsAuthor(_client))
                     return;
 
                 if (_ignoreMessageIds.Contains(msg.Id))
@@ -1058,8 +1057,7 @@ public sealed class LogCommandService : ILogCommandService
                 if (imsg2 is not IUserMessage after || after.IsAuthor(_client))
                     return;
 
-                var before = (optmsg.HasValue ? optmsg.Value : null) as IUserMessage;
-                if (before is null)
+                if ((optmsg.HasValue ? optmsg.Value : null) is not IUserMessage before)
                     return;
 
                 if (ch is not ITextChannel channel)

src/NadekoBot/Modules/Administration/Services/VcRoleService.cs

@@ -167,9 +167,7 @@ public class VcRoleService : INService
     private Task ClientOnUserVoiceStateUpdated(SocketUser usr, SocketVoiceState oldState,
         SocketVoiceState newState)
     {
-
-        var gusr = usr as SocketGuildUser;
-        if (gusr is null)
+        if (usr is not SocketGuildUser gusr)
             return Task.CompletedTask;
 
         var oldVc = oldState.VoiceChannel;

src/NadekoBot/Modules/Administration/UserPunishCommands.cs

@@ -465,7 +465,7 @@ public partial class Administration
                 .AddField(GetText(strs.duration),
                     time.Time.Humanize(3,
                         minUnit: TimeUnit.Minute,
-                        culture: _cultureInfo),
+                        culture: Culture),
                     true);
 
             if (dmFailed)