2 files changed, 40 insertions, 0 deletions

diff --git a/server/lib/schedulers/abstract-scheduler.ts b/server/lib/schedulers/abstract-scheduler.ts
new file mode 100644
index 000000000..473544ddf
--- /dev/null
+++ b/server/lib/schedulers/abstract-scheduler.ts
@@ -0,0 +1,16 @@
+import { SCHEDULER_INTERVAL } from '../../initializers'
+
+export abstract class AbstractScheduler {
+
+  private interval: NodeJS.Timer
+
+  enable () {
+    this.interval = setInterval(() => this.execute(), SCHEDULER_INTERVAL)
+  }
+
+  disable () {
+    clearInterval(this.interval)
+  }
+
+  protected abstract execute ()
+}
diff --git a/server/lib/schedulers/bad-actor-follow-scheduler.ts b/server/lib/schedulers/bad-actor-follow-scheduler.ts
new file mode 100644
index 000000000..c6c285ece
--- /dev/null
+++ b/server/lib/schedulers/bad-actor-follow-scheduler.ts
@@ -0,0 +1,24 @@
+import { logger } from '../../helpers/logger'
+import { ActorFollowModel } from '../../models/activitypub/actor-follow'
+import { AbstractScheduler } from './abstract-scheduler'
+
+export class BadActorFollowScheduler extends AbstractScheduler {
+
+  private static instance: AbstractScheduler
+
+  private constructor () {
+    super()
+  }
+
+  async execute () {
+    try {
+      await ActorFollowModel.removeBadActorFollows()
+    } catch (err) {
+      logger.error('Error in bad actor follows scheduler.', err)
+    }
+  }
+
+  static get Instance () {
+    return this.instance || (this.instance = new this())
+  }
+}