Initial commit

src/client/actions/PresenceUpdate.js

@@ -0,0 +1,42 @@
+'use strict';
+
+const Action = require('./Action');
+const Events = require('../../util/Events');
+
+class PresenceUpdateAction extends Action {
+  handle(data) {
+    let user = this.client.users.cache.get(data.user.id);
+    if (!user && data.user.username) user = this.client.users._add(data.user);
+    if (!user) return;
+
+    if (data.user.username) {
+      if (!user._equals(data.user)) this.client.actions.UserUpdate.handle(data.user);
+    }
+
+    const guild = this.client.guilds.cache.get(data.guild_id);
+    if (!guild) return;
+
+    const oldPresence = guild.presences.cache.get(user.id)?._clone() ?? null;
+    let member = guild.members.cache.get(user.id);
+    if (!member && data.status !== 'offline') {
+      member = guild.members._add({
+        user,
+        deaf: false,
+        mute: false,
+      });
+      this.client.emit(Events.GuildMemberAvailable, member);
+    }
+    const newPresence = guild.presences._add(Object.assign(data, { guild }));
+    if (this.client.listenerCount(Events.PresenceUpdate) && !newPresence.equals(oldPresence)) {
+      /**
+       * Emitted whenever a guild member's presence (e.g. status, activity) is changed.
+       * @event Client#presenceUpdate
+       * @param {?Presence} oldPresence The presence before the update, if one at all
+       * @param {Presence} newPresence The presence after the update
+       */
+      this.client.emit(Events.PresenceUpdate, oldPresence, newPresence);
+    }
+  }
+}
+
+module.exports = PresenceUpdateAction;