feat: add support for fetching multiple guilds (#5472)

Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Noel <icrawltogo@gmail.com>

src/index.js

@@ -65,6 +65,7 @@ module.exports = {
   Base: require('./structures/Base'),
   Activity: require('./structures/Presence').Activity,
   APIMessage: require('./structures/APIMessage'),
+  BaseGuild: require('./structures/BaseGuild'),
   BaseGuildEmoji: require('./structures/BaseGuildEmoji'),
   BaseGuildVoiceChannel: require('./structures/BaseGuildVoiceChannel'),
   CategoryChannel: require('./structures/CategoryChannel'),
@@ -97,6 +98,7 @@ module.exports = {
   MessageMentions: require('./structures/MessageMentions'),
   MessageReaction: require('./structures/MessageReaction'),
   NewsChannel: require('./structures/NewsChannel'),
+  OAuth2Guild: require('./structures/OAuth2Guild'),
   PermissionOverwrites: require('./structures/PermissionOverwrites'),
   Presence: require('./structures/Presence').Presence,
   ClientPresence: require('./structures/ClientPresence'),

src/managers/GuildManager.js

@@ -6,7 +6,9 @@ const GuildChannel = require('../structures/GuildChannel');
 const GuildEmoji = require('../structures/GuildEmoji');
 const GuildMember = require('../structures/GuildMember');
 const Invite = require('../structures/Invite');
+const OAuth2Guild = require('../structures/OAuth2Guild');
 const Role = require('../structures/Role');
+const Collection = require('../util/Collection');
 const {
   ChannelTypes,
   Events,
@@ -231,25 +233,41 @@ class GuildManager extends BaseManager {
   }
 
   /**
-   * Obtains a guild from Discord, or the guild cache if it's already available.
-   * @param {Snowflake} id ID of the guild
-   * @param {boolean} [cache=true] Whether to cache the new guild object if it isn't already
-   * @param {boolean} [force=false] Whether to skip the cache check and request the API
-   * @returns {Promise<Guild>}
-   * @example
-   * // Fetch a guild by its id
-   * client.guilds.fetch('222078108977594368')
-   *   .then(guild => console.log(guild.name))
-   *   .catch(console.error);
+   * Options used to fetch a single guild.
+   * @typedef {Object} FetchGuildOptions
+   * @property {GuildResolvable} guild The guild to fetch
+   * @property {boolean} [cache=true] Whether or not to cache the fetched guild
+   * @property {boolean} [force=false] Whether to skip the cache check and request the API
    */
-  async fetch(id, cache = true, force = false) {
-    if (!force) {
-      const existing = this.cache.get(id);
-      if (existing) return existing;
+
+  /**
+   * Options used to fetch multiple guilds.
+   * @typedef {Object} FetchGuildsOptions
+   * @property {Snowflake} [before] Get guilds before this guild ID
+   * @property {Snowflake} [after] Get guilds after this guild ID
+   * @property {number} [limit=100] Maximum number of guilds to request (1-100)
+   */
+
+  /**
+   * Obtains one or multiple guilds from Discord, or the guild cache if it's already available.
+   * @param {GuildResolvable|FetchGuildOptions|FetchGuildsOptions} [options] ID of the guild or options
+   * @returns {Promise<Guild|Collection<Snowflake, OAuth2Guild>>}
+   */
+  async fetch(options = {}) {
+    const id = this.resolveID(options) ?? this.resolveID(options.guild);
+
+    if (id) {
+      if (!options.force) {
+        const existing = this.cache.get(id);
+        if (existing) return existing;
+      }
+
+      const data = await this.client.api.guilds(id).get({ query: { with_counts: true } });
+      return this.add(data, options.cache);
     }
 
-    const data = await this.client.api.guilds(id).get({ query: { with_counts: true } });
-    return this.add(data, cache);
+    const data = await this.client.api.users('@me').guilds.get({ query: options });
+    return data.reduce((coll, guild) => coll.set(guild.id, new OAuth2Guild(this.client, guild)), new Collection());
   }
 }
 

src/structures/BaseGuild.js

@@ -0,0 +1,115 @@
+'use strict';
+
+const Base = require('./Base');
+const SnowflakeUtil = require('../util/SnowflakeUtil');
+
+/**
+ * The base class for {@link Guild} and {@link OAuth2Guild}.
+ * @extends {Base}
+ */
+class BaseGuild extends Base {
+  constructor(client, data) {
+    super(client);
+
+    /**
+     * The ID of this guild
+     * @type {Snowflake}
+     */
+    this.id = data.id;
+
+    /**
+     * The name of this guild
+     * @type {string}
+     */
+    this.name = data.name;
+
+    /**
+     * The icon hash of this guild
+     * @type {?string}
+     */
+    this.icon = data.icon;
+
+    /**
+     * An array of features available to this guild
+     * @type {Features[]}
+     */
+    this.features = data.features;
+  }
+
+  /**
+   * The timestamp this guild was created at
+   * @type {number}
+   * @readonly
+   */
+  get createdTimestamp() {
+    return SnowflakeUtil.deconstruct(this.id).timestamp;
+  }
+
+  /**
+   * The time this guild was created at
+   * @type {Date}
+   * @readonly
+   */
+  get createdAt() {
+    return new Date(this.createdTimestamp);
+  }
+
+  /**
+   * The acronym that shows up in place of a guild icon
+   * @type {string}
+   * @readonly
+   */
+  get nameAcronym() {
+    return this.name
+      .replace(/'s /g, ' ')
+      .replace(/\w+/g, e => e[0])
+      .replace(/\s/g, '');
+  }
+
+  /**
+   * Whether this guild is partnered
+   * @type {boolean}
+   * @readonly
+   */
+  get partnered() {
+    return this.features.includes('PARTNERED');
+  }
+
+  /**
+   * Whether this guild is verified
+   * @type {boolean}
+   * @readonly
+   */
+  get verified() {
+    return this.features.includes('VERIFIED');
+  }
+
+  /**
+   * The URL to this guild's icon.
+   * @param {ImageURLOptions} [options={}] Options for the Image URL
+   * @returns {?string}
+   */
+  iconURL({ format, size, dynamic } = {}) {
+    if (!this.icon) return null;
+    return this.client.rest.cdn.Icon(this.id, this.icon, format, size, dynamic);
+  }
+
+  /**
+   * Fetches this guild.
+   * @returns {Promise<Guild>}
+   */
+  async fetch() {
+    const data = await this.client.api.guilds(this.id).get({ query: { with_counts: true } });
+    return this.client.guilds.add(data);
+  }
+
+  /**
+   * When concatenated with a string, this automatically returns the guild's name instead of the Guild object.
+   * @returns {string}
+   */
+  toString() {
+    return this.name;
+  }
+}
+
+module.exports = BaseGuild;

src/structures/Guild.js

@@ -1,6 +1,6 @@
 'use strict';
 
-const Base = require('./Base');
+const BaseGuild = require('./BaseGuild');
 const GuildAuditLogs = require('./GuildAuditLogs');
 const GuildPreview = require('./GuildPreview');
 const GuildTemplate = require('./GuildTemplate');
@@ -27,7 +27,6 @@ const {
   NSFWLevels,
 } = require('../util/Constants');
 const DataResolver = require('../util/DataResolver');
-const SnowflakeUtil = require('../util/SnowflakeUtil');
 const SystemChannelFlags = require('../util/SystemChannelFlags');
 const Util = require('../util/Util');
 
@@ -35,15 +34,11 @@ const Util = require('../util/Util');
  * Represents a guild (or a server) on Discord.
  * <info>It's recommended to see if a guild is available before performing operations or reading data from it. You can
  * check this with `guild.available`.</info>
- * @extends {Base}
+ * @extends {BaseGuild}
  */
-class Guild extends Base {
-  /**
-   * @param {Client} client The instantiating client
-   * @param {Object} data The data for the guild
-   */
+class Guild extends BaseGuild {
   constructor(client, data) {
-    super(client);
+    super(client, data);
 
     /**
      * A manager of the application commands belonging to this guild
@@ -100,12 +95,6 @@ class Guild extends Base {
        * @type {boolean}
        */
       this.available = false;
-
-      /**
-       * The Unique ID of the guild, useful for comparisons
-       * @type {Snowflake}
-       */
-      this.id = data.id;
     } else {
       this._patch(data);
       if (!data.channels) this.available = false;
@@ -133,17 +122,11 @@ class Guild extends Base {
    * @private
    */
   _patch(data) {
-    /**
-     * The name of the guild
-     * @type {string}
-     */
+    this.id = data.id;
     this.name = data.name;
-
-    /**
-     * The hash of the guild icon
-     * @type {?string}
-     */
     this.icon = data.icon;
+    this.features = data.features;
+    this.available = !data.unavailable;
 
     /**
      * The hash of the guild invite splash image
@@ -204,12 +187,6 @@ class Guild extends Base {
      * @typedef {string} Features
      */
 
-    /**
-     * An array of guild features available to the guild
-     * @type {Features[]}
-     */
-    this.features = data.features;
-
     /**
      * The ID of the application that created this guild (if applicable)
      * @type {?Snowflake}
@@ -378,10 +355,6 @@ class Guild extends Base {
      */
     this.banner = data.banner;
 
-    this.id = data.id;
-    this.available = !data.unavailable;
-    this.features = data.features || this.features || [];
-
     /**
      * The ID of the rules channel for the guild
      * @type {?Snowflake}
@@ -463,24 +436,6 @@ class Guild extends Base {
     return this.client.rest.cdn.Banner(this.id, this.banner, format, size);
   }
 
-  /**
-   * The timestamp the guild was created at
-   * @type {number}
-   * @readonly
-   */
-  get createdTimestamp() {
-    return SnowflakeUtil.deconstruct(this.id).timestamp;
-  }
-
-  /**
-   * The time the guild was created at
-   * @type {Date}
-   * @readonly
-   */
-  get createdAt() {
-    return new Date(this.createdTimestamp);
-  }
-
   /**
    * The time the client user joined the guild
    * @type {Date}
@@ -490,46 +445,6 @@ class Guild extends Base {
     return new Date(this.joinedTimestamp);
   }
 
-  /**
-   * If this guild is partnered
-   * @type {boolean}
-   * @readonly
-   */
-  get partnered() {
-    return this.features.includes('PARTNERED');
-  }
-
-  /**
-   * If this guild is verified
-   * @type {boolean}
-   * @readonly
-   */
-  get verified() {
-    return this.features.includes('VERIFIED');
-  }
-
-  /**
-   * The URL to this guild's icon.
-   * @param {ImageURLOptions} [options={}] Options for the Image URL
-   * @returns {?string}
-   */
-  iconURL({ format, size, dynamic } = {}) {
-    if (!this.icon) return null;
-    return this.client.rest.cdn.Icon(this.id, this.icon, format, size, dynamic);
-  }
-
-  /**
-   * The acronym that shows up in place of a guild icon.
-   * @type {string}
-   * @readonly
-   */
-  get nameAcronym() {
-    return this.name
-      .replace(/'s /g, ' ')
-      .replace(/\w+/g, e => e[0])
-      .replace(/\s/g, '');
-  }
-
   /**
    * The URL to this guild's invite splash image.
    * @param {ImageURLOptions} [options={}] Options for the Image URL
@@ -626,20 +541,6 @@ class Guild extends Base {
     );
   }
 
-  /**
-   * Fetches this guild.
-   * @returns {Promise<Guild>}
-   */
-  fetch() {
-    return this.client.api
-      .guilds(this.id)
-      .get({ query: { with_counts: true } })
-      .then(data => {
-        this._patch(data);
-        return this;
-      });
-  }
-
   /**
    * Fetches a collection of integrations to this guild.
    * Resolves with a collection mapping integrations by their ids.
@@ -1409,17 +1310,6 @@ class Guild extends Base {
     );
   }
 
-  /**
-   * When concatenated with a string, this automatically returns the guild's name instead of the Guild object.
-   * @returns {string}
-   * @example
-   * // Logs: Hello from My Guild!
-   * console.log(`Hello from ${guild}!`);
-   */
-  toString() {
-    return this.name;
-  }
-
   toJSON() {
     const json = super.toJSON({
       available: false,

src/structures/OAuth2Guild.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const BaseGuild = require('./BaseGuild');
+const Permissions = require('../util/Permissions');
+
+/**
+ * A partial guild received when using {@link GuildManager#fetch} to fetch multiple guilds.
+ * @extends {BaseGuild}
+ */
+class OAuth2Guild extends BaseGuild {
+  constructor(client, data) {
+    super(client, data);
+
+    /**
+     * Whether the client user is the owner of the guild
+     * @type {boolean}
+     */
+    this.owner = data.owner;
+
+    /**
+     * The permissions that the client user has in this guild
+     * @type {Readonly<Permissions>}
+     */
+    this.permissions = new Permissions(BigInt(data.permissions)).freeze();
+  }
+}
+
+module.exports = OAuth2Guild;