Example Batch Processing Aggregate Function
Last updated: 2 minutes read.
Batch using the /tyk/batch endpoint
Note
Virtual endpoints are not available in the Tyk Cloud Classic Edition.
An Aggregate JS Function
The most common use case for this functionality, as we see it, is to provide some form of aggregate data to your users, here’s a snippet that will do just that using the new batch processing API:
function batchTest(request, session, config) {
// Set up a response object
var response = {
Body: "",
Headers: {
"test": "virtual-header-1",
"test-2": "virtual-header-2",
"content-type": "application/json"
},
Code: 200
}
// Batch request
var batch = {
"requests": [
{
"method": "GET",
"headers": {
"x-tyk-test": "1",
"x-tyk-version": "1.2",
"authorization": "1dbc83b9c431649d7698faa9797e2900f"
},
"body": "",
"relative_url": "http://httpbin.org/get"
},
{
"method": "GET",
"headers": {},
"body": "",
"relative_url": "http://httpbin.org/user-agent"
}
],
"suppress_parallel_execution": false
}
log("[Virtual Test] Making Upstream Batch Request")
var newBody = TykBatchRequest(JSON.stringify(batch))
// We know that the requests return JSON in their body, lets flatten it
var asJS = JSON.parse(newBody)
for (var i in asJS) {
asJS[i].body = JSON.parse(asJS[i].body)
}
// We need to send a string object back to Tyk to embed in the response
response.Body = JSON.stringify(asJS)
return TykJsResponse(response, session.meta_data)
}
log("Batch Test initialised")
The batch object here is the same object that is fed into our batch request method TykBatchRequest that is exposed as part of certain API definitions.