Add rate limiting

packages/medusa-plugin-brightpearl/package.json

@@ -36,6 +36,7 @@
   },
   "dependencies": {
     "axios": "^0.19.2",
+    "axios-rate-limit": "^1.2.1",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.3",
     "medusa-interfaces": "^1.0.0-alpha.3",

packages/medusa-plugin-brightpearl/src/utils/brightpearl.js

@@ -1,6 +1,11 @@
 import axios from "axios"
+import rateLimit from "axios-rate-limit"
 import qs from "querystring"
 
+// Brightpearl allows 200 requests per minute
+const RATE_LIMIT_REQUESTS = 200
+const RATE_LIMIT_INTERVAL = 60 * 1000
+
 class BrightpearlClient {
   static createToken(account, data) {
     const params = {
@@ -40,13 +45,16 @@ class BrightpearlClient {
   }
 
   constructor(options, onRefreshToken) {
-    this.client_ = axios.create({
+    this.client_ = rateLimit(
+      axios.create({
         baseURL: `https://${options.url}/public-api/${options.account}`,
         headers: {
           "brightpearl-app-ref": "medusa-dev",
           "brightpearl-dev-ref": "sebrindom",
         },
-    })
+      }),
+      { maxRequests: RATE_LIMIT_REQUESTS, perMilliseconds: RATE_LIMIT_INTERVAL }
+    )
 
     this.authType_ = options.auth_type
     this.token_ = options.access_token