Overview
Design
Frontend
Fullstack
Create Website
Blog
Fullstack
Request Data Processor
Overview
Dynamic URLs
http processor
Custom URLs
Request Data Processor
SQL Processor
Reading JSON

request-data processor

request-data processor can be used to find the data from query string and named-path parameters or from request body.

Query Parameters

curl 'http://127.0.0.1:8000/test/?message=hello%20world'
Lang:
sh
In above example url contains query parameter message with value hello world. We can access this value in ftd file as like below by calling request-data processor.
-- import: fastn/processors as pr

-- record r-data:
string message:

-- r-data data:
$processor$: pr.request-data

-- ds.markdown: $data.message
Lang:
ftd
Please note that all the parameters defined in the record must be present. If you have not specified the default value to any of the record fields, they will not be used if the parameter is missing in the request. RFC #832 is to fix this behaviour.

Named Parameters In Dynamic URLs

When using dynamic URLs, the named parameters can also be extracted using the same method:
-- fastn.dynamic-urls:

# RD Test:
  url: /rd-test/<string:message>/
  document: ftd-host/r.ftd
Lang:
ftd
The same code used above will get the data from URL as well if someone visits, say, /rd-test/hello/, the value data.message would be hello.

JSON Body

If the request body is not empty, and has content type application/json, the body is parsed as JSON and the fields in your record are looked in the JSON as well.

Note On Priority

If a field is present in more than one places, the JSON value is preferred over the named URL pattern, which itself is preferred over the query string.

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