feat: interactions (#5448)

Co-authored-by: izexi <43889168+izexi@users.noreply.github.com>
Co-authored-by: Sugden <28943913+NotSugden@users.noreply.github.com>
Co-authored-by: Advaith <advaithj1@gmail.com>
Co-authored-by: Shiaupiau <stu43005@gmail.com>
Co-authored-by: monbrey <rsm999@uowmail.edu.au>
Co-authored-by: Tiemen <ThaTiemsz@users.noreply.github.com>
Co-authored-by: Carter <carter@elhnet.net>

src/structures/Interaction.js

@@ -0,0 +1,117 @@
+'use strict';
+
+const Base = require('./Base');
+const { InteractionTypes } = require('../util/Constants');
+const SnowflakeUtil = require('../util/SnowflakeUtil');
+
+/**
+ * Represents an interaction.
+ * @extends {Base}
+ */
+class Interaction extends Base {
+  constructor(client, data) {
+    super(client);
+
+    /**
+     * The type of this interaction
+     * @type {InteractionType}
+     */
+    this.type = InteractionTypes[data.type];
+
+    /**
+     * The ID of this interaction
+     * @type {Snowflake}
+     */
+    this.id = data.id;
+
+    /**
+     * The token of this interaction
+     * @type {string}
+     * @name Interaction#token
+     * @readonly
+     */
+    Object.defineProperty(this, 'token', { value: data.token });
+
+    /**
+     * The ID of the application
+     * @type {Snowflake}
+     */
+    this.applicationID = data.application_id;
+
+    /**
+     * The ID of the channel this interaction was sent in
+     * @type {?Snowflake}
+     */
+    this.channelID = data.channel_id ?? null;
+
+    /**
+     * The ID of the guild this interaction was sent in
+     * @type {?Snowflake}
+     */
+    this.guildID = data.guild_id ?? null;
+
+    /**
+     * The user which sent this interaction
+     * @type {User}
+     */
+    this.user = this.client.users.add(data.user ?? data.member.user);
+
+    /**
+     * If this interaction was sent in a guild, the member which sent it
+     * @type {?GuildMember|Object}
+     */
+    this.member = data.member ? this.guild?.members.add(data.member) ?? data.member : null;
+
+    /**
+     * The version
+     * @type {number}
+     */
+    this.version = data.version;
+  }
+
+  /**
+   * The timestamp the interaction was created at
+   * @type {number}
+   * @readonly
+   */
+  get createdTimestamp() {
+    return SnowflakeUtil.deconstruct(this.id).timestamp;
+  }
+
+  /**
+   * The time the interaction was created at
+   * @type {Date}
+   * @readonly
+   */
+  get createdAt() {
+    return new Date(this.createdTimestamp);
+  }
+
+  /**
+   * The channel this interaction was sent in
+   * @type {?Channel}
+   * @readonly
+   */
+  get channel() {
+    return this.client.channels.cache.get(this.channelID) ?? null;
+  }
+
+  /**
+   * The guild this interaction was sent in
+   * @type {?Guild}
+   * @readonly
+   */
+  get guild() {
+    return this.client.guilds.cache.get(this.guildID) ?? null;
+  }
+
+  /**
+   * Indicates whether this interaction is a command interaction.
+   * @returns {boolean}
+   */
+  isCommand() {
+    return InteractionTypes[this.type] === InteractionTypes.APPLICATION_COMMAND;
+  }
+}
+
+module.exports = Interaction;