Ratelimits working on client and in general

src/ratelimits.js

@@ -0,0 +1,50 @@
+import {Logger} from './logger';
+
+let buckets = { };
+
+export class RateLimits {
+    constructor() {
+        Logger.info('Initialized ratelimiting middleware');
+        this.requestsPerSecond = 1;
+        setInterval(this.tick, 1000 / this.requestsPerSecond);
+    }
+
+    async request(obj, client, next) {
+        let id = obj.author.id;
+        
+        if (!buckets[id]) {
+            Logger.debug(`New rate limiting bucket`);
+
+            buckets[id] = {id: id, tokens: [], lastUsed: new Date().getTime()};
+            for (let i = 0; i < this.requestsPerSecond; i++) {
+                buckets[id].tokens.push(1);
+            }
+
+            next();
+            return;
+        }
+
+        buckets[id].lastUsed = new Date().getTime();
+
+        if (buckets[id].tokens.length <= 0) {
+            Logger.middleware(`${id} is being rate limited`);
+            obj.limiting = true;
+            next();
+            return;
+        }
+
+        buckets[id].tokens.pop();
+        next();
+    }   
+
+    tick() {
+        for (let bucket in buckets) {
+            // if (buckets[bucket].lastUsed += disposeTime >= new Date().getTime()) {
+            //     delete buckets[bucket]; // remove element here, don't redefine
+            //     continue;
+            // }
+            if (buckets[bucket].tokens.length > this.requestsPerSecond) continue;
+            buckets[bucket].tokens.push(1);
+        }
+    }
+}