Port Mutes plugin

backend/src/plugins/Mutes/commands/ClearBannedMutesCmd.ts

@@ -0,0 +1,34 @@
+import { command } from "knub";
+import { MutesPluginType } from "../types";
+import { User } from "eris";
+import { sendSuccessMessage } from "../../../pluginUtils";
+
+export const ClearBannedMutesCmd = command<MutesPluginType>()({
+  trigger: "clear_banned_mutes",
+  permission: "can_cleanup",
+  description: "Clear dangling mutes for members who have been banned",
+
+  async run({ pluginData, message: msg }) {
+    await msg.channel.createMessage("Clearing mutes from banned users...");
+
+    const activeMutes = await pluginData.state.mutes.getActiveMutes();
+
+    // Mismatch in Eris docs and actual result here, based on Eris's code comments anyway
+    const bans: Array<{ reason: string; user: User }> = (await pluginData.guild.getBans()) as any;
+    const bannedIds = bans.map(b => b.user.id);
+
+    await msg.channel.createMessage(
+      `Found ${activeMutes.length} mutes and ${bannedIds.length} bans, cross-referencing...`,
+    );
+
+    let cleared = 0;
+    for (const mute of activeMutes) {
+      if (bannedIds.includes(mute.user_id)) {
+        await pluginData.state.mutes.clear(mute.user_id);
+        cleared++;
+      }
+    }
+
+    sendSuccessMessage(pluginData, msg.channel, `Cleared ${cleared} mutes from banned users!`);
+  },
+});