Clojure - ajax.core POST - clojure

Question

I am having some trouble with POST from ajax.
I want to add a user to my database, so I am using POST and the data I want to send is in the form {:id id :pass pass} This is my POST
(defn add-user! [user]
(POST "/add-user!"
{:params user}))
All I want to do is enter information in the form specified above into this POST so I can send it to the database. I know that the argument,to the POST, is in the right form and the queries to the database and my routes are correct but I've made a mistake with the POST and I cannot figure out my mistake.
I am calling add-user! by
(defonce fields (atom {}))
(defn add-user! [user]
(POST "/add-user!"
{:params user}))
(defn content
[]
[:div
[:div
[:p "Enter Name:"
[:input
{:type :text
:name :name
:on-change #(swap! fields assoc :id (-> % .-target .-value))
:value (:id #fields)}]]
[:p "Enter Pass:"
[:input
{:type :text
:name :pass
:on-change #(swap! fields assoc :pass (-> % .-target .-value))
:value (:pass #fields)}]]
[:input
{:type :submit
:on-click #(do
(add-user! #fields))
:value "Enter"}]]
[:div
[:p "Id is " (:id #fields)]
[:p "Pass is " (:pass #fields)]]])
My query to the database in a clj file is
(defn add-user! [user]
(sql/insert! db :users user))
where sql is [clojure.java.jdbc :as sql]

Answer 1

There is not really enough information here to help you debug this fully, but I suspect that you need to modify your POST to:
(defn add-user! [user]
(POST "/add-user!"
{:format :json
:params user}))
If you don't provide :format, cljs-ajax defaults to sending Transit data, which would definitely confuse a server expecting JSON.
:format - specifies the format for the body of the request (Transit, JSON, etc.). Also sets the appropriate Content-Type header. Defaults to :transit if not provided. - JulianBirch/cljs-ajax#getpostput

Answer 2

Happened to me with this code:
(POST "/admin/tests/load"
{:params {:test-id "83"}
:headers {"x-csrf-token" csrf-field}
:handler (fn [r] (do (.log js/console r) (swap! test-state r)))
:format :json
:response-format :json
:error-handler (fn [r] (prn r))})))
"params" always showed up empty "{}". Then I tried:
(POST "/admin/tests/load"
{:params {:test-id "83"}
:headers {"x-csrf-token" csrf-field}} )
and all started working well, even after adding the other options. I know, weird.