feat(GroupDM): Add setOwner, handle event update

Co-Authored-By: Nguyễn Hồng Đức <hongducyb123@gmail.com>

src/managers/ChannelManager.js

@@ -3,9 +3,7 @@
 const process = require('node:process');
 const CachedManager = require('./CachedManager');
 const { Channel } = require('../structures/Channel');
-// Not used: const PartialGroupDMChannel = require('../structures/PartialGroupDMChannel');
-const User = require('../structures/User');
-const { Events, ThreadChannelTypes } = require('../util/Constants');
+const { Events, ThreadChannelTypes, RelationshipTypes } = require('../util/Constants');
 
 let cacheWarningEmitted = false;
 
@@ -119,19 +117,20 @@ class ChannelManager extends CachedManager {
     this._remove(id);
     return this._add(data, null, { cache, allowUnknownGuild });
   }
-  // Create Group DM
   /**
    * Create Group DM
-   * @param {Array<Discord.User>} recipients Array of recipients
-   * @returns {PartialGroupDMChannel} Channel
+   * @param {UserResolvable[]} recipients Array of recipients
+   * @returns {Promise<PartialGroupDMChannel>} Channel
    */
   async createGroupDM(recipients) {
     // Check
-    if (!recipients || !Array.isArray(recipients)) throw new Error('No recipients || Invalid Type (Array)');
-    recipients = recipients.filter(r => r instanceof User && r.id && r.friend);
+    if (!Array.isArray(recipients)) throw new Error(`Expected an array of recipients (got ${typeof recipients})`);
+    recipients = recipients
+      .map(r => this.client.users.resolveId(r))
+      .filter(r => r && this.client.relationships.cache.get(r) == RelationshipTypes.FRIEND);
     if (recipients.length < 2 || recipients.length > 9) throw new Error('Invalid Users length (2 - 9)');
     const data = await this.client.api.users['@me'].channels.post({
-      data: { recipients: recipients.map(r => r.id) },
+      data: { recipients },
     });
     return this._add(data, null, { cache: true, allowUnknownGuild: true });
   }