Initial commit

src/client/actions/ThreadListSync.js

@@ -0,0 +1,59 @@
+'use strict';
+
+const { Collection } = require('@discordjs/collection');
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class ThreadListSyncAction extends Action {
+  handle(data) {
+    const client = this.client;
+
+    const guild = client.guilds.cache.get(data.guild_id);
+    if (!guild) return {};
+
+    if (data.channel_ids) {
+      for (const id of data.channel_ids) {
+        const channel = client.channels.resolve(id);
+        if (channel) this.removeStale(channel);
+      }
+    } else {
+      for (const channel of guild.channels.cache.values()) {
+        this.removeStale(channel);
+      }
+    }
+
+    const syncedThreads = data.threads.reduce((coll, rawThread) => {
+      const thread = client.channels._add(rawThread);
+      return coll.set(thread.id, thread);
+    }, new Collection());
+
+    for (const rawMember of Object.values(data.members)) {
+      // Discord sends the thread id as id in this object
+      const thread = client.channels.cache.get(rawMember.id);
+      if (thread) {
+        thread.members._add(rawMember);
+      }
+    }
+
+    /**
+     * Emitted whenever the client user gains access to a text or news channel that contains threads
+     * @event Client#threadListSync
+     * @param {Collection<Snowflake, ThreadChannel>} threads The threads that were synced
+     */
+    client.emit(Events.ThreadListSync, syncedThreads);
+
+    return {
+      syncedThreads,
+    };
+  }
+
+  removeStale(channel) {
+    channel.threads?.cache.forEach(thread => {
+      if (!thread.archived) {
+        this.client.channels._remove(thread.id);
+      }
+    });
+  }
+}
+
+module.exports = ThreadListSyncAction;