Add experimental assistant feature

src/lib/structures/Assistant.js

@@ -0,0 +1,42 @@
+const {request} = require("../utils/request")
+const constants = require("../constants")
+
+class Assistant {
+	constructor(origin) {
+		this.origin = origin
+		this.lastRequest = 0
+		this.lastRequestStatus = constants.symbols.assistant_statuses.NONE
+	}
+
+	available() {
+		if (this.lastRequestStatus === constants.symbols.assistant_statuses.OFFLINE) {
+			return Date.now() - this.lastRequest > constants.assistant.offline_request_cooldown
+		} else if (this.lastRequestStatus === constants.symbols.assistant_statuses.BLOCKED) {
+			return Date.now() - this.lastRequest > constants.assistant.blocked_request_cooldown
+		} else {
+			return true
+		}
+	}
+
+	requestUser(username) {
+		this.lastRequest = Date.now()
+		return new Promise((resolve, reject) => {
+			request(`${this.origin}/api/user/v1/${username}`).json().then(root => {
+				console.log(root)
+				if (root.status === "ok") {
+					this.lastRequestStatus = constants.symbols.assistant_statuses.OK
+					resolve(root.data.user)
+				} else {
+					this.lastRequestStatus = constants.symbols.assistant_statuses.BLOCKED
+					reject(constants.symbols.assistant_statuses.BLOCKED)
+				}
+			}).catch(error => {
+				console.error(error)
+				this.lastRequestStatus = constants.symbols.assistant_statuses.OFFLINE
+				reject(constants.symbols.assistant_statuses.OFFLINE)
+			})
+		})
+	}
+}
+
+module.exports = Assistant