Initial commit

src/managers/PresenceManager.js

@@ -0,0 +1,58 @@
+'use strict';
+
+const CachedManager = require('./CachedManager');
+const { Presence } = require('../structures/Presence');
+
+/**
+ * Manages API methods for Presences and holds their cache.
+ * @extends {CachedManager}
+ */
+class PresenceManager extends CachedManager {
+  constructor(client, iterable) {
+    super(client, Presence, iterable);
+  }
+
+  /**
+   * The cache of Presences
+   * @type {Collection<Snowflake, Presence>}
+   * @name PresenceManager#cache
+   */
+
+  _add(data, cache) {
+    return super._add(data, cache, { id: data.user.id });
+  }
+
+  /**
+   * Data that can be resolved to a Presence object. This can be:
+   * * A Presence
+   * * A UserResolvable
+   * * A Snowflake
+   * @typedef {Presence|UserResolvable|Snowflake} PresenceResolvable
+   */
+
+  /**
+   * Resolves a {@link PresenceResolvable} to a {@link Presence} object.
+   * @param {PresenceResolvable} presence The presence resolvable to resolve
+   * @returns {?Presence}
+   */
+  resolve(presence) {
+    const presenceResolvable = super.resolve(presence);
+    if (presenceResolvable) return presenceResolvable;
+    const UserResolvable = this.client.users.resolveId(presence);
+    return super.resolve(UserResolvable);
+  }
+
+  /**
+   * Resolves a {@link PresenceResolvable} to a {@link Presence} id.
+   * @param {PresenceResolvable} presence The presence resolvable to resolve
+   * @returns {?Snowflake}
+   */
+  resolveId(presence) {
+    const presenceResolvable = super.resolveId(presence);
+    if (presenceResolvable) return presenceResolvable;
+    const userResolvable = this.client.users.resolveId(presence);
+    return this.cache.has(userResolvable) ? userResolvable : null;
+  }
+}
+
+module.exports = PresenceManager;