If I have a post route which an argument: post /my_post_route/:my_param1, MyController.my_post_handler How would get the post params from its body? def my_post_handler(conn, %{"my_param" =>my_param} = params) do # ??? how to get "params" from its body? In other words, how doe…

You can use body_params from conn, I think. Plug.Conn — Plug v1.20.2

Do “params” always contain only the query string/params - from the URL? Can “params” contain body params instead or in addition to Query String params?

Phoenix uses plug! Try this def my_post_handler(%Plug.Conn{body_params: body_params} = conn, _body_and_query_params) do # ... end

Do “params” always contain only the query string/params - from the URL? In phoenix controller “actions”, the second argument by default contains both body and query params.

[image] idi527: the second argument by default contains both body and query params. And how can I distinguish between query and body params?

And how can I distinguish between query and body params? You can’t if you use the second argument in a phoenix controller action.

[image] Darmani72: But that’s for Plug! For note, Phoenix is just ‘more’ on plug, it still uses the plug interfaces, plug calls, plug everything, it just adds things like a templating system and websockets an such. :slight_smile: As an aside, I wish Phoenix URL arguments came in the param m…

[image] OvermindDL1: As an aside, I wish Phoenix URL arguments came in the param map via atom keys How do you propose to implement this safely without some major macro witchcraft? Namely something lime rewriting function heads so that pattern matches with maps become pattern matches with stri…

%{"string_key" => param_val, :atom_key => url_arg_val} should work just fine. No macro witchcraft.

Elixir Programming Language Forum

Params in the URL and body -- how does Phoenix handle them together?

Questions & Help Questions

chrismccord June 12, 2018, 3:58am 8

conn.body_params or conn.query_params