feat: per-server keepproxy toggling (#574)

Merges PluralKit/PluralKit#574

PluralKit.Core/Database/Functions/ProxyMember.cs

@@ -18,6 +18,7 @@ public class ProxyMember
     public IReadOnlyCollection<ProxyTag> ProxyTags { get; } = new ProxyTag[0];
     public bool KeepProxy { get; }
     public bool Tts { get; }
+    public bool? ServerKeepProxy { get; }
 
     public string? ServerName { get; }
     public string? DisplayName { get; }
@@ -44,4 +45,4 @@ public class ProxyMember
     }
 
     public string? ProxyAvatar(MessageContext ctx) => ServerAvatar ?? WebhookAvatar ?? Avatar ?? ctx.SystemGuildAvatar ?? ctx.SystemAvatar;
-}
+}

PluralKit.Core/Database/Functions/functions.sql

@@ -69,6 +69,7 @@ create function proxy_members(account_id bigint, guild_id bigint)
         proxy_tags proxy_tag[],
         keep_proxy bool,
         tts bool,
+        server_keep_proxy bool,
 
         server_name text,
         display_name text,
@@ -89,6 +90,7 @@ as $$
         members.proxy_tags           as proxy_tags,
         members.keep_proxy           as keep_proxy,
         members.tts                  as tts,
+        member_guild.keep_proxy      as server_keep_proxy,
 
         -- Name info
         member_guild.display_name    as server_name,
@@ -154,4 +156,4 @@ begin
         if not exists (select 1 from groups where hid = new_hid) then return new_hid; end if;
     end loop;
 end
-$$ language plpgsql volatile;
+$$ language plpgsql volatile;

PluralKit.Core/Database/Migrations/40.sql

@@ -0,0 +1,6 @@
+-- database version 40
+-- add per-server keepproxy toggle
+
+alter table member_guild add column keep_proxy bool default null;
+
+update info set schema_version = 40;

PluralKit.Core/Database/Utils/DatabaseMigrator.cs

@@ -9,7 +9,7 @@ namespace PluralKit.Core;
 internal class DatabaseMigrator
 {
     private const string RootPath = "PluralKit.Core.Database"; // "resource path" root for SQL files
-    private const int TargetSchemaVersion = 39;
+    private const int TargetSchemaVersion = 40;
     private readonly ILogger _logger;
 
     public DatabaseMigrator(ILogger logger)