Merge ddf685a5a2 into 3cf08e5a49

backend/src/plugins/Automod/actions/availableActions.ts

@@ -7,6 +7,7 @@ import { ArchiveThreadAction } from "./archiveThread";
 import { BanAction } from "./ban";
 import { ChangeNicknameAction } from "./changeNickname";
 import { CleanAction } from "./clean";
+import { CrosspostMessageAction } from "./crosspostMessage";
 import { KickAction } from "./kick";
 import { LogAction } from "./log";
 import { MuteAction } from "./mute";
@@ -36,6 +37,7 @@ export const availableActions: Record<string, AutomodActionBlueprint<any>> = {
   set_slowmode: SetSlowmodeAction,
   start_thread: StartThreadAction,
   archive_thread: ArchiveThreadAction,
+  crosspost_message: CrosspostMessageAction,
 };
 
 export const AvailableActions = t.type({
@@ -56,4 +58,5 @@ export const AvailableActions = t.type({
   set_slowmode: SetSlowmodeAction.configType,
   start_thread: StartThreadAction.configType,
   archive_thread: ArchiveThreadAction.configType,
+  crosspost_message: CrosspostMessageAction.configType,
 });

backend/src/plugins/Automod/actions/crosspostMessage.ts

@@ -0,0 +1,26 @@
+import * as t from "io-ts";
+import { ChannelTypeStrings } from "../../../types";
+import { noop } from "../../../utils";
+import { automodAction } from "../helpers";
+
+export const CrosspostMessageAction = automodAction({
+  configType: t.type({}),
+  defaultConfig: {},
+
+  async apply({ pluginData, contexts }) {
+    const messages = contexts
+      .filter(c => c.message?.id)
+      .map(c => {
+        const channel = pluginData.guild.channels.cache.get(c.message!.channel_id);
+        if (channel?.type === ChannelTypeStrings.NEWS && channel.isText()) {
+          // .isText() to fix the typings
+          return channel.messages.fetch(c.message!.id);
+        }
+        return null;
+      });
+
+    for await (const msg of messages) {
+      if (msg?.crosspostable) await msg?.crosspost().catch(noop);
+    }
+  },
+});