feat(Sticker): added Sticker (#4909)

Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: monbrey <rsm999@uowmail.edu.au>
Co-authored-by: SpaceEEC <spaceeec@yahoo.com>
Co-authored-by: Antonio Román <kyradiscord@gmail.com>
Co-authored-by: Vlad Frangu <kingdgrizzle@gmail.com>
Co-authored-by: Tristan Guichaoua <33934311+tguichaoua@users.noreply.github.com>
Co-authored-by: Advaith <advaithj1@gmail.com>
Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>
Co-authored-by: Mestery <48163546+Mesteery@users.noreply.github.com>
Co-authored-by: Jan <66554238+vaporox@users.noreply.github.com>

src/structures/Message.js

@@ -7,6 +7,7 @@ const MessageAttachment = require('./MessageAttachment');
 const Embed = require('./MessageEmbed');
 const Mentions = require('./MessageMentions');
 const ReactionCollector = require('./ReactionCollector');
+const Sticker = require('./Sticker');
 const { Error, TypeError } = require('../errors');
 const ReactionManager = require('../managers/ReactionManager');
 const Collection = require('../util/Collection');
@@ -133,6 +134,17 @@ class Message extends Base {
       }
     }
 
+    /**
+     * A collection of stickers in the message
+     * @type {Collection<Snowflake, Sticker>}
+     */
+    this.stickers = new Collection();
+    if (data.stickers) {
+      for (const sticker of data.stickers) {
+        this.stickers.set(sticker.id, new Sticker(this.client, sticker));
+      }
+    }
+
     /**
      * The timestamp the message was sent at
      * @type {number}

src/structures/Sticker.js

@@ -0,0 +1,88 @@
+'use strict';
+
+const Base = require('./Base');
+const { StickerFormatTypes } = require('../util/Constants');
+const Snowflake = require('../util/Snowflake');
+
+/**
+ * Represents a Sticker.
+ * @extends {Base}
+ */
+class Sticker extends Base {
+  constructor(client, sticker) {
+    super(client);
+    /**
+     * The ID of the sticker
+     * @type {Snowflake}
+     */
+    this.id = sticker.id;
+
+    /**
+     * The ID of the sticker's image
+     * @type {string}
+     */
+    this.asset = sticker.asset;
+
+    /**
+     * The description of the sticker
+     * @type {string}
+     */
+    this.description = sticker.description;
+
+    /**
+     * The format of the sticker
+     * @type {StickerFormatTypes}
+     */
+    this.format = StickerFormatTypes[sticker.format_type];
+
+    /**
+     * The name of the sticker
+     * @type {string}
+     */
+    this.name = sticker.name;
+
+    /**
+     * The ID of the pack the sticker is from
+     * @type {Snowflake}
+     */
+    this.packID = sticker.pack_id;
+
+    /**
+     * An array of tags for the sticker, if any
+     * @type {string[]}
+     */
+    this.tags = sticker.tags?.split(', ') ?? [];
+  }
+
+  /**
+   * The timestamp the sticker was created at
+   * @type {number}
+   * @readonly
+   */
+  get createdTimestamp() {
+    return Snowflake.deconstruct(this.id).timestamp;
+  }
+
+  /**
+   * The time the sticker was created at
+   * @type {Date}
+   * @readonly
+   */
+  get createdAt() {
+    return new Date(this.createdTimestamp);
+  }
+
+  /**
+   * A link to the sticker
+   * <info>If the sticker's format is LOTTIE, it returns the URL of the Lottie json file.
+   * Lottie json files must be converted in order to be displayed in Discord.</info>
+   * @type {string}
+   */
+  get url() {
+    return `${this.client.options.http.cdn}/stickers/${this.id}/${this.asset}.${
+      this.format === 'LOTTIE' ? 'json' : 'png'
+    }`;
+  }
+}
+
+module.exports = Sticker;