fix: rate-limiter

Author: dominicDeCoco-bravo

index.ts

@@ -25,7 +25,9 @@ export default class UploadPlugin extends AdminForthPlugin {
     // for calcualting average time
     this.totalCalls = 0;
     this.totalDuration = 0;
+    if (this.options.generation?.rateLimit?.limit) {
     this.rateLimiter = new RateLimiter(this.options.generation.rateLimit?.limit)
+    }
   }
 
   instanceUniqueRepresentation(pluginOptions: any) : string {
@@ -347,7 +349,7 @@ export default class UploadPlugin extends AdminForthPlugin {
       path: `/plugin/${this.pluginInstanceId}/generate_images`,
       handler: async ({ body, adminUser, headers }) => {
         const { prompt, recordId } = body;
-        if (this.options.generation.rateLimit?.limit) {
+        if (this.rateLimiter) {
           // rate limit
           // const { error } = RateLimiter.checkRateLimit(
           //   this.pluginInstanceId,