feat(Managers): ✨ Add GuildInviteManager

src/client/actions/InviteCreate.js

@@ -1,7 +1,6 @@
 'use strict';
 
 const Action = require('./Action');
-const Invite = require('../../structures/Invite');
 const { Events } = require('../../util/Constants');
 
 class InviteCreateAction extends Action {
@@ -12,7 +11,8 @@ class InviteCreateAction extends Action {
     if (!channel) return false;
 
     const inviteData = Object.assign(data, { channel, guild });
-    const invite = new Invite(client, inviteData);
+    const invite = guild.invites.add(inviteData);
+
     /**
      * Emitted when an invite is created.
      * <info> This event only triggers if the client has `MANAGE_GUILD` permissions for the guild,

src/client/actions/InviteDelete.js

@@ -13,6 +13,7 @@ class InviteDeleteAction extends Action {
 
     const inviteData = Object.assign(data, { channel, guild });
     const invite = new Invite(client, inviteData);
+    guild.invites.cache.delete(invite.code);
 
     /**
      * Emitted when an invite is deleted.

src/errors/Messages.js

@@ -113,6 +113,10 @@ const Messages = {
 
   VANITY_URL: 'This guild does not have the VANITY_URL feature enabled.',
 
+  INVITE_RESOLVE_CODE: 'Could not resolve the code to fetch the invite.',
+
+  INVITE_NOT_FOUND: 'Could not find the requested invite.',
+
   DELETE_GROUP_DM_CHANNEL: "Bots don't have access to Group DM Channels and cannot delete them",
   FETCH_GROUP_DM_CHANNEL: "Bots don't have access to Group DM Channels and cannot fetch them",
 

src/managers/GuildInviteManager.js

@@ -0,0 +1,199 @@
+'use strict';
+
+const BaseManager = require('./BaseManager');
+const { Error } = require('../errors');
+const Invite = require('../structures/Invite');
+const Collection = require('../util/Collection');
+const DataResolver = require('../util/DataResolver');
+
+/**
+ * Manages API methods for GuildInvites and stores their cache.
+ * @extends {BaseManager}
+ */
+class GuildInviteManager extends BaseManager {
+  constructor(guild, iterable) {
+    super(guild.client, iterable, Invite);
+
+    /**
+     * The guild this Manager belongs to
+     * @type {Guild}
+     */
+    this.guild = guild;
+  }
+
+  /**
+   * The cache of this Manager
+   * @type {Collection<Snowflake, Invite>}
+   * @name GuildInviteManager#cache
+   */
+
+  add(data, cache) {
+    return super.add(data, cache, { id: data.code, extras: [this.guild] });
+  }
+
+  /**
+   * Data that resolves to give an Invite object. This can be:
+   * * An invite code
+   * * An invite URL
+   * @typedef {string} InviteResolvable
+   */
+
+  /**
+   * Resolves an InviteResolvable to an Invite object.
+   * @method resolve
+   * @memberof GuildInviteManager
+   * @instance
+   * @param {InviteResolvable} invite The invite resolvable to resolve
+   * @returns {?Invite}
+   */
+
+  /**
+   * Resolves an InviteResolvable to an invite code string.
+   * @method resolveId
+   * @memberof GuildInviteManager
+   * @instance
+   * @param {InviteResolvable} invite The invite resolvable to resolve
+   * @returns {?string}
+   */
+
+  /**
+   * Options used to fetch a single invite from a guild.
+   * @typedef {Object} FetchInviteOptions
+   * @property {InviteResolvable} code The invite to fetch
+   * @property {boolean} [cache=true] Whether or not to cache the fetched invite
+   * @property {boolean} [force=false] Whether to skip the cache check and request the API
+   */
+
+  /**
+   * Options used to fetch all invites from a guild.
+   * @typedef {Object} FetchInvitesOptions
+   * @property {boolean} cache Whether or not to cache the fetched invites
+   */
+
+  /**
+   * Fetches invite(s) from Discord.
+   * @param {InviteResolvable|FetchInviteOptions|FetchInvitesOptions} [options] Options for fetching guild invite(s)
+   * @returns {Promise<Invite|Collection<Snowflake, Invite>>}
+   * @example
+   * // Fetch all invites from a guild
+   * guild.invites.fetch()
+   *   .then(console.log)
+   *   .catch(console.error);
+   * @example
+   * // Fetch all invites from a guild without caching
+   * guild.invites.fetch({ cache: false })
+   *   .then(console.log)
+   *   .catch(console.error);
+   * @example
+   * // Fetch all invites from a channel
+   * guild.invites.fetch({ channelID, '222197033908436994' })
+   *   .then(console.log)
+   *   .catch(console.error);
+   * @example
+   * // Fetch a single invite
+   * guild.invites.fetch('bRCvFy9')
+   *   .then(console.log)
+   *   .catch(console.error);
+   * @example
+   * // Fetch a single invite without checking cache
+   * guild.invites.fetch({ code: 'bRCvFy9', force: true })
+   *   .then(console.log)
+   *   .catch(console.error)
+   * @example
+   * // Fetch a single invite without caching
+   * guild.invites.fetch({ code: 'bRCvFy9', cache: false })
+   *   .then(console.log)
+   *   .catch(console.error);
+   */
+  fetch(options) {
+    if (!options) return this._fetchMany();
+    if (typeof options === 'string') {
+      const code = DataResolver.resolveInviteCode(options);
+      if (!code) return Promise.reject(new Error('INVITE_RESOLVE_CODE'));
+      return this._fetchSingle({ code, cache: true });
+    }
+    if (!options.code) {
+      if (options.channelId) {
+        const id = this.guild.channels.resolveId(options.channelId);
+        if (!id) return Promise.reject(new Error('GUILD_CHANNEL_RESOLVE'));
+        return this._fetchChannelMany(id, options.cache);
+      }
+
+      if ('cache' in options) return this._fetchMany(options.cache);
+      return Promise.reject(new Error('INVITE_RESOLVE_CODE'));
+    }
+    return this._fetchSingle({
+      ...options,
+      code: DataResolver.resolveInviteCode(options.code),
+    });
+  }
+
+  async _fetchSingle({ code, cache, force = false }) {
+    if (!force) {
+      const existing = this.cache.get(code);
+      if (existing) return existing;
+    }
+
+    const invites = await this._fetchMany(cache);
+    const invite = invites.get(code);
+    if (!invite) throw new Error('INVITE_NOT_FOUND');
+    return invite;
+  }
+
+  async _fetchMany(cache) {
+    const data = await this.client.api.guilds(this.guild.id).invites.get();
+    return data.reduce((col, invite) => col.set(invite.code, this.add(invite, cache)), new Collection());
+  }
+
+  async _fetchChannelMany(channelID, cache) {
+    const data = await this.client.api.channels(channelID).invites.get();
+    return data.reduce((col, invite) => col.set(invite.code, this.add(invite, cache)), new Collection());
+  }
+
+  /**
+   * Create an invite to the guild from the provided channel.
+   * @param {GuildChannelResolvable} channel The options for creating the invite from a channel.
+   * @param {CreateInviteOptions} [options={}] The options for creating the invite from a channel.
+   * @returns {Promise<Invite>}
+   * @example
+   * // Create an invite to a selected channel
+   * guild.invites.create('599942732013764608')
+   *   .then(console.log)
+   *   .catch(console.error);
+   */
+  async create(
+    channel,
+    { temporary = false, maxAge = 86400, maxUses = 0, unique, targetUser, targetApplication, targetType, reason } = {},
+  ) {
+    const id = this.guild.channels.resolveId(channel);
+    if (!id) throw new Error('GUILD_CHANNEL_RESOLVE');
+
+    const invite = await this.client.api.channels(id).invites.post({
+      data: {
+        temporary,
+        max_age: maxAge,
+        max_uses: maxUses,
+        unique,
+        target_user_id: this.client.users.resolveId(targetUser),
+        target_application_id: targetApplication?.id ?? targetApplication?.applicationId ?? targetApplication,
+        target_type: targetType,
+      },
+      reason,
+    });
+    return new Invite(this.client, invite);
+  }
+
+  /**
+   * Deletes an invite.
+   * @param {InviteResolvable} invite The invite to delete
+   * @param {string} [reason] Reason for deleting the invite
+   * @returns {Promise<void>}
+   */
+  async delete(invite, reason) {
+    const code = DataResolver.resolveInviteCode(invite);
+
+    await this.client.api.invites(code).delete({ reason });
+  }
+}
+
+module.exports = GuildInviteManager;

src/structures/Guild.js

@@ -5,7 +5,6 @@ const GuildAuditLogs = require('./GuildAuditLogs');
 const GuildPreview = require('./GuildPreview');
 const GuildTemplate = require('./GuildTemplate');
 const Integration = require('./Integration');
-const Invite = require('./Invite');
 const Webhook = require('./Webhook');
 const WelcomeScreen = require('./WelcomeScreen');
 const { Error, TypeError } = require('../errors');
@@ -586,35 +585,6 @@ class Guild extends AnonymousGuild {
       .then(data => new GuildTemplate(this.client, data));
   }
 
-  /**
-   * Fetches a collection of invites to this guild.
-   * Resolves with a collection mapping invites by their codes.
-   * @returns {Promise<Collection<string, Invite>>}
-   * @example
-   * // Fetch invites
-   * guild.fetchInvites()
-   *   .then(invites => console.log(`Fetched ${invites.size} invites`))
-   *   .catch(console.error);
-   * @example
-   * // Fetch invite creator by their id
-   * guild.fetchInvites()
-   *  .then(invites => console.log(invites.find(invite => invite.inviter.id === '84484653687267328')))
-   *  .catch(console.error);
-   */
-  fetchInvites() {
-    return this.client.api
-      .guilds(this.id)
-      .invites.get()
-      .then(inviteItems => {
-        const invites = new Collection();
-        for (const inviteItem of inviteItems) {
-          const invite = new Invite(this.client, inviteItem);
-          invites.set(invite.code, invite);
-        }
-        return invites;
-      });
-  }
-
   /**
    * Obtains a guild preview for this guild from Discord.
    * @returns {Promise<GuildPreview>}

src/structures/GuildAuditLogs.js

@@ -475,7 +475,7 @@ class GuildAuditLogsEntry {
         if (me.permissions.has(Permissions.FLAGS.MANAGE_GUILD)) {
           let change = this.changes.find(c => c.key === 'code');
           change = change.new ?? change.old;
-          return guild.fetchInvites().then(invites => {
+          return guild.invites.fetch().then(invites => {
             this.target = invites.find(i => i.code === change);
           });
         } else {

src/structures/GuildChannel.js

@@ -1,7 +1,6 @@
 'use strict';
 
 const Channel = require('./Channel');
-const Invite = require('./Invite');
 const PermissionOverwrites = require('./PermissionOverwrites');
 const { Error } = require('../errors');
 const PermissionOverwriteManager = require('../managers/PermissionOverwriteManager');
@@ -470,46 +469,18 @@ class GuildChannel extends Channel {
    *   .then(invite => console.log(`Created an invite with a code of ${invite.code}`))
    *   .catch(console.error);
    */
-  createInvite({
-    temporary = false,
-    maxAge = 86400,
-    maxUses = 0,
-    unique,
-    targetUser,
-    targetApplication,
-    targetType,
-    reason,
-  } = {}) {
-    return this.client.api
-      .channels(this.id)
-      .invites.post({
-        data: {
-          temporary,
-          max_age: maxAge,
-          max_uses: maxUses,
-          unique,
-          target_user_id: this.client.users.resolveId(targetUser),
-          target_application_id: targetApplication?.id ?? targetApplication?.applicationId ?? targetApplication,
-          target_type: targetType,
-        },
-        reason,
-      })
-      .then(invite => new Invite(this.client, invite));
+  createInvite(options) {
+    return this.guild.invites.create(this.id, options);
   }
 
   /**
    * Fetches a collection of invites to this guild channel.
    * Resolves with a collection mapping invites by their codes.
+   * @param {boolean} [cache=true] Whether or not to cache the fetched invites
    * @returns {Promise<Collection<string, Invite>>}
    */
-  async fetchInvites() {
-    const inviteItems = await this.client.api.channels(this.id).invites.get();
-    const invites = new Collection();
-    for (const inviteItem of inviteItems) {
-      const invite = new Invite(this.client, inviteItem);
-      invites.set(invite.code, invite);
-    }
-    return invites;
+  fetchInvites(cache = true) {
+    return this.guild.invites.fetch({ channelID: this.id, cache });
   }
 
   /**