penpot/src/uxbox/repo/core.cljs
2016-03-19 12:49:14 +02:00

74 lines
2.2 KiB
Clojure

;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) 2016 Andrey Antukh <niwi@niwi.nz>
(ns uxbox.repo.core
"A main interface for access to remote resources."
(:refer-clojure :exclude [do])
(:require [httpurr.client.xhr :as http]
[httpurr.status :as http.status]
[hodgepodge.core :refer (local-storage)]
[promesa.core :as p :include-macros true]
[beicon.core :as rx]
[uxbox.transit :as t]
[uxbox.state :as ust]))
(goog-define url "http://127.0.0.1:5050/api")
(def ^:private +storage+
local-storage)
(defn- conditional-decode
[{:keys [body headers] :as response}]
(if (= (get headers "content-type") "application/transit+json")
(assoc response :body (t/decode body))
response))
(defrecord Ok [status payload])
(defrecord ServerError [status paylpad])
(defrecord ClientError [status payload])
(defrecord NotFound [payload])
(defn- handle-http-status
[{:keys [body status] :as response}]
(cond
(http.status/success? response)
(rx/of (->Ok status body))
(http.status/client-error? response)
(rx/throw
(if (= status 404)
(->NotFound body)
(->ClientError status body)))
(http.status/server-error? response)
(rx/throw (->ServerError status body))))
(def ^:private ^:const +headers+
{"content-type" "application/transit+json"})
(defn auth-headers
[]
(when-let [auth (:auth @ust/state)]
{"authorization" (str "Token " (:token auth "no-token"))}))
(defn- send!
[{:keys [body headers auth method] :or {auth true} :as request}]
(let [headers (merge {}
(when body +headers+)
headers
(when auth (auth-headers)))
request (merge (assoc request :headers headers)
(when body {:body (t/encode body)}))]
(->> (http/send! request)
(rx/from-promise)
(rx/map conditional-decode)
(rx/mapcat handle-http-status)
(rx/tap #(println "tt:" %)))))
;; "tt: "))))
(defmulti -do
(fn [type data] type))