From 73f9a0aa367d3ea0a31af230012c74649236eb33 Mon Sep 17 00:00:00 2001
From: Dominik Koch <dominik@koch-bautechnik.de>
Date: Fri, 6 Dec 2024 14:52:11 +0100
Subject: [PATCH] feat(log cleanup): add koira log cleanup support

---
 PluralKit.Bot/Services/LoggerCleanService.cs | 14 ++++++++++++++
 docs/content/staff/compatibility.md          |  1 +
 2 files changed, 15 insertions(+)

diff --git a/PluralKit.Bot/Services/LoggerCleanService.cs b/PluralKit.Bot/Services/LoggerCleanService.cs
index af4ff011..178ce95b 100644
--- a/PluralKit.Bot/Services/LoggerCleanService.cs
+++ b/PluralKit.Bot/Services/LoggerCleanService.cs
@@ -44,6 +44,7 @@ public class LoggerCleanService
     private static readonly Regex _SkyraRegex = new("https://discord.com/channels/(\\d{17,19})/(\\d{17,19})/(\\d{17,19})");
     private static readonly Regex _AnnabelleRegex = new("```\n(\\d{17,19})\n```");
     private static readonly Regex _AnnabelleRegexFuzzy = new("\\<t:(\\d+)\\> A message from \\*\\*[\\w.]{2,32}\\*\\* \\(`(\\d{17,19})`\\) was deleted in <#\\d{17,19}>");
+    private static readonly Regex _koiraRegex = new("ID:\\*\\* (\\d{17,19})");
 
     private static readonly Regex _VortexRegex =
         new("`\\[(\\d\\d:\\d\\d:\\d\\d)\\]` .* \\(ID:(\\d{17,19})\\).* <#\\d{17,19}>:");
@@ -82,6 +83,7 @@ public class LoggerCleanService
         new LoggerBot("Dozer", 356535250932858885, ExtractDozer),
         new LoggerBot("Skyra", 266624760782258186, ExtractSkyra),
         new LoggerBot("Annabelle", 231241068383961088, ExtractAnnabelle, fuzzyExtractFunc: ExtractAnnabelleFuzzy),
+        new LoggerBot("Koira", 1247013404569239624, ExtractKoira)
     }.ToDictionary(b => b.Id);
 
     private static Dictionary<ulong, LoggerBot> _botsByApplicationId
@@ -427,6 +429,18 @@ public class LoggerCleanService
             : null;
     }
 
+    private static ulong? ExtractKoira(Message msg)
+    {
+        // Embed, Message author name field: "Message Deleted", description contains "**[emoji] ID:** [id]"
+        // Example: "ID:** 347077478726238228"
+        // We only use the end of the bold markdown because there's a custom emoji in the bold we don't want to copy the code of
+        var embed = msg.Embeds?.FirstOrDefault();
+        if (embed == null) return null;
+        if (!(embed.Author?.Name?.StartsWith("Message Deleted") ?? false)) return null;
+        var match = _koiraRegex.Match(embed.Description);
+        return match.Success ? ulong.Parse(match.Groups[1].Value) : null;
+    }
+
     public class LoggerBot
     {
         public ulong Id;
diff --git a/docs/content/staff/compatibility.md b/docs/content/staff/compatibility.md
index 5dd93dc2..b6315a0f 100644
--- a/docs/content/staff/compatibility.md
+++ b/docs/content/staff/compatibility.md
@@ -31,6 +31,7 @@ At the moment, log cleanup works with the following bots:
 - [Dyno](https://dyno.gg/) (precise)
 - [GearBot](https://gearbot.rocks/) (fuzzy)
 - [GenericBot](https://github.com/galenguyer/GenericBot) (precise)
+- Koira (precise)
 - [Logger#6088](https://logger.bot/) (precise)
 - [Logger#6278](https://loggerbot.chat/) (precise)
 - [Mantaro](https://mantaro.site/) (precise)