feat(mutes): clear old expired mutes for servers that have disabled the mutes plugin

backend/src/data/Mutes.ts

@@ -1,9 +1,11 @@
 import moment from "moment-timezone";
 import { Brackets, getRepository, Repository } from "typeorm";
 import { Mute } from "./entities/Mute";
-import { DBDateFormat } from "../utils";
+import { DAYS, DBDateFormat } from "../utils";
 import { BaseRepository } from "./BaseRepository";
 
+const OLD_EXPIRED_MUTE_THRESHOLD = 7 * DAYS;
+
 export class Mutes extends BaseRepository {
   private mutes: Repository<Mute>;
 
@@ -20,4 +22,14 @@ export class Mutes extends BaseRepository {
       .andWhere("expires_at <= :date", { date: thresholdDateStr })
       .getMany();
   }
+
+  async clearOldExpiredMutes(): Promise<void> {
+    const thresholdDateStr = moment.utc().subtract(OLD_EXPIRED_MUTE_THRESHOLD, "ms").format(DBDateFormat);
+    await this.mutes
+      .createQueryBuilder("mutes")
+      .andWhere("expires_at IS NOT NULL")
+      .andWhere("expires_at <= :date", { date: thresholdDateStr })
+      .delete()
+      .execute();
+  }
 }

backend/src/data/loops/expiringMutesLoop.ts

@@ -35,6 +35,9 @@ export async function runExpiringMutesLoop() {
     clearTimeout(timeout);
   }
 
+  console.log("[EXPIRING MUTES LOOP] Clearing old expired mutes");
+  await getMutesRepository().clearOldExpiredMutes();
+
   console.log("[EXPIRING MUTES LOOP] Setting timeouts for expiring mutes");
   const expiringMutes = await getMutesRepository().getSoonExpiringMutes(LOOP_INTERVAL);
   for (const mute of expiringMutes) {