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|
(ns chameleon.handler
(:require [chameleon.route :as c-route]
[chameleon.aai-processor]
[utilis.map :refer [map-vals compact]]
[liberator.core :refer [defresource]]
[compojure.core :refer [GET PUT PATCH ANY defroutes]]
[compojure.route :refer [resources]]
[ring.util.response :refer [resource-response content-type]]
[ring.middleware.defaults :refer [wrap-defaults api-defaults]]
[ring.middleware.anti-forgery :refer [wrap-anti-forgery]]
[ring.middleware.session :refer [wrap-session]]
[cheshire.core :as json]
[clj-time.format :as tf]
[integrant.core :as ig]))
(declare handler)
(defonce ^:private g-host (atom nil))
(defmethod ig/init-key :chameleon/handler [_ {:keys [gallifrey-host]}]
(reset! g-host gallifrey-host)
handler)
(defmethod ig/halt-key! :chameleon/handler [_ _]
(reset! g-host nil))
(declare serialize de-serialize)
(defresource entity-endpoint [id]
:allowed-methods [:get]
:available-media-types ["application/json"]
:exists? (fn [ctx]
(let [resource (-> (c-route/query @g-host id (-> ctx :request :params :t-k)))]
(when (= (:status resource) 200)
{::resource (-> resource :body json/parse-string (dissoc "_meta") (chameleon.aai-processor/from-gallifrey))})))
:existed? (fn [ctx]
(when-let [status (-> (c-route/query @g-host id (-> ctx :request :params :t-k)) :status)]
(= status 410)))
:handle-ok ::resource)
(defroutes app-routes
(GET "/entity/:id" [id] (entity-endpoint id))
(resources "/"))
(def handler
(-> app-routes
(wrap-defaults api-defaults)))
;;; Implementation
(defn- serialize
[e]
(compact
(update e :_meta #(map-vals
(fn [m]
(map-vals str m)) %))))
(defn- de-serialize
[e]
e)
|
