From b8924369ea036509602a516b9a1ed4dcda202b1e Mon Sep 17 00:00:00 2001
From: SpaceEEC <spaceeec@yahoo.com>
Date: Thu, 13 Jun 2019 19:03:36 +0200
Subject: [PATCH] feat(Guild): add support for premium/boosting (#3332)

Backports:
PR: #3316
Commit: c87758086b81fda632a2f678ed46c4ab2ae8673f
---
 src/structures/Emoji.js       |  7 +++++++
 src/structures/Guild.js       | 24 ++++++++++++++++++++++++
 src/structures/GuildMember.js | 16 ++++++++++++++++
 src/util/Constants.js         |  8 ++++++++
 typings/index.d.ts            |  7 +++++++
 5 files changed, 62 insertions(+)

diff --git a/src/structures/Emoji.js b/src/structures/Emoji.js
index ef332fe68..39bb5f5e1 100644
--- a/src/structures/Emoji.js
+++ b/src/structures/Emoji.js
@@ -62,6 +62,13 @@ class Emoji {
      */
     this.animated = data.animated;
 
+    /**
+     * Whether this emoji is available
+     * @type {boolean}
+     * @name Emoji#available
+     */
+    if (typeof data.available !== 'undefined') this.available = data.available;
+
     this._roles = data.roles;
   }
 
diff --git a/src/structures/Guild.js b/src/structures/Guild.js
index b3084d5ac..2fe5c64fb 100644
--- a/src/structures/Guild.js
+++ b/src/structures/Guild.js
@@ -184,6 +184,30 @@ class Guild {
     this.defaultMessageNotifications = Constants.DefaultMessageNotifications[data.default_message_notifications] ||
       data.default_message_notifications;
 
+    /**
+     * The type of premium tier:
+     * * 0: NONE
+     * * 1: TIER_1
+     * * 2: TIER_2
+     * * 3: TIER_3
+     * @typedef {number} PremiumTier
+     */
+
+    /**
+     * The premium tier on this guild
+     * @type {PremiumTier}
+     */
+    this.premiumTier = data.premium_tier;
+
+    /**
+     * The total number of users currently boosting this server
+     * @type {?number}
+     * @name Guild#premiumSubscriptionCount
+     */
+    if (typeof data.premium_subscription_count !== 'undefined') {
+      this.premiumSubscriptionCount = data.premium_subscription_count;
+    }
+
     /**
      * The hash of the guild banner
      * @type {?string}
diff --git a/src/structures/GuildMember.js b/src/structures/GuildMember.js
index e10f11d6c..54702d439 100644
--- a/src/structures/GuildMember.js
+++ b/src/structures/GuildMember.js
@@ -37,6 +37,12 @@ class GuildMember {
      */
     this.joinedTimestamp = null;
 
+    /**
+     * The timestamp of when the member used their Nitro boost on the guild, if it was used
+     * @type {?number}
+     */
+    this.premiumSinceTimestamp = null;
+
     this._roles = [];
     if (data) this.setup(data);
 
@@ -109,6 +115,7 @@ class GuildMember {
     this.nickname = data.nick || null;
 
     if (data.joined_at) this.joinedTimestamp = new Date(data.joined_at).getTime();
+    if (data.premium_since) this.premiumSinceTimestamp = new Date(data.premium_since).getTime();
 
     this.user = data.user;
     this._roles = data.roles;
@@ -123,6 +130,15 @@ class GuildMember {
     return this.joinedTimestamp ? new Date(this.joinedTimestamp) : null;
   }
 
+  /**
+   * The time of when the member used their Nitro boost on the guild, if it was used
+   * @type {?Date}
+   * @readonly
+   */
+  get premiumSince() {
+    return this.premiumSinceTimestamp ? new Date(this.premiumSinceTimestamp) : null;
+  }
+
   /**
    * The presence of this member
    * @type {Presence}
diff --git a/src/util/Constants.js b/src/util/Constants.js
index 3787818b6..231622ecd 100644
--- a/src/util/Constants.js
+++ b/src/util/Constants.js
@@ -480,6 +480,10 @@ exports.WSEvents = {
  * * CHANNEL_ICON_CHANGE
  * * PINS_ADD
  * * GUILD_MEMBER_JOIN
+ * * USER_PREMIUM_GUILD_SUBSCRIPTION
+ * * USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_1
+ * * USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_2
+ * * USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_3
  * @typedef {string} MessageType
  */
 exports.MessageTypes = [
@@ -491,6 +495,10 @@ exports.MessageTypes = [
   'CHANNEL_ICON_CHANGE',
   'PINS_ADD',
   'GUILD_MEMBER_JOIN',
+  'USER_PREMIUM_GUILD_SUBSCRIPTION',
+  'USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_1',
+  'USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_2',
+  'USER_PREMIUM_GUILD_SUBSCRIPTION_TIER_3',
 ];
 
 /**
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 8e48a99dd..2cd2be09b 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -403,6 +403,7 @@ declare module 'discord.js' {
 	export class Emoji {
 		constructor(guild: Guild, data: object);
 		public animated: boolean;
+		public available: boolean;
 		public readonly client: Client;
 		public readonly createdAt: Date;
 		public readonly createdTimestamp: number;
@@ -516,6 +517,8 @@ declare module 'discord.js' {
 		public readonly nameAcronym: string;
 		public readonly owner: GuildMember;
 		public ownerID: string;
+		public premiumSubscriptionCount: number | null;
+		public premiumTier: PremiumTier;
 		public readonly position: number;
 		public presences: Collection<Snowflake, Presence>;
 		public region: string;
@@ -665,6 +668,8 @@ declare module 'discord.js' {
 		public nickname: string;
 		public readonly manageable: boolean;
 		public readonly permissions: Permissions;
+		public readonly premiumSince: Date | null;
+		public premiumSinceTimestamp: number | null;
 		public readonly presence: Presence;
 		public readonly roles: Collection<Snowflake, Role>;
 		public selfDeaf: boolean;
@@ -2058,6 +2063,8 @@ declare module 'discord.js' {
 
 	type PermissionResolvable = RecursiveArray<Permissions | PermissionString | number> | Permissions | PermissionString | number;
 
+	type PremiumTier = number;
+
 	type PresenceData = {
 		status?: PresenceStatus;
 		afk?: boolean;