From df7fdce14498ef73494cae20582a6a14be2a5699 Mon Sep 17 00:00:00 2001
From: acw0 <acw@ml1.net>
Date: Tue, 4 Aug 2020 19:28:29 -0400
Subject: [PATCH] Add sorting member list randomly

---
 PluralKit.Bot/Commands/Lists/ContextListExt.cs    | 3 ++-
 PluralKit.Bot/Commands/Lists/MemberListOptions.cs | 7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/PluralKit.Bot/Commands/Lists/ContextListExt.cs b/PluralKit.Bot/Commands/Lists/ContextListExt.cs
index f1efadb0..8bee0927 100644
--- a/PluralKit.Bot/Commands/Lists/ContextListExt.cs
+++ b/PluralKit.Bot/Commands/Lists/ContextListExt.cs
@@ -40,7 +40,8 @@ namespace PluralKit.Bot
             if (ctx.MatchFlag("by-last-fronted", "by-last-front", "by-last-switch", "blf", "bls")) p.SortProperty = SortProperty.LastSwitch;
             if (ctx.MatchFlag("by-last-message", "blm", "blp")) p.SortProperty = SortProperty.LastMessage;
             if (ctx.MatchFlag("by-birthday", "by-birthdate", "bbd")) p.SortProperty = SortProperty.Birthdate;
-            
+            if (ctx.MatchFlag("random")) p.SortProperty = SortProperty.Random;
+
             // Sort reverse?
             if (ctx.MatchFlag("r", "rev", "reverse"))
                 p.Reverse = true;
diff --git a/PluralKit.Bot/Commands/Lists/MemberListOptions.cs b/PluralKit.Bot/Commands/Lists/MemberListOptions.cs
index 9e00b226..2f6a7aad 100644
--- a/PluralKit.Bot/Commands/Lists/MemberListOptions.cs
+++ b/PluralKit.Bot/Commands/Lists/MemberListOptions.cs
@@ -75,6 +75,8 @@ namespace PluralKit.Bot
             IComparer<T> ReverseMaybe<T>(IComparer<T> c) =>
                 opts.Reverse ? Comparer<T>.Create((a, b) => c.Compare(b, a)) : c;
             
+            var randGen = new global::System.Random();
+
             var culture = StringComparer.InvariantCultureIgnoreCase;
             return (opts.SortProperty switch
             {
@@ -96,6 +98,8 @@ namespace PluralKit.Bot
                 SortProperty.LastSwitch => input
                     .OrderByDescending(m => m.LastSwitchTime.HasValue)
                     .ThenByDescending(m => m.LastSwitchTime, ReverseMaybe(Comparer<Instant?>.Default)),
+                SortProperty.Random => input
+                    .OrderBy(m => randGen.Next()),
                 _ => throw new ArgumentOutOfRangeException($"Unknown sort property {opts.SortProperty}")
             })
                 // Lastly, add a by-name fallback order for collisions (generally hits w/ lots of null values)
@@ -112,7 +116,8 @@ namespace PluralKit.Bot
         CreationDate,
         LastSwitch,
         LastMessage,
-        Birthdate
+        Birthdate,
+        Random
     }
 
     public enum ListType