Created
December 1, 2015 09:48
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handler component using jdbc-ring-session as session store.
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(ns myapp.component.handler | |
(:require [com.stuartsierra.component :as component] | |
[compojure.core :as compojure] | |
[jdbc-ring-session.core :refer [jdbc-store]])) | |
(defn- find-routes [component] | |
(keep :routes (vals component))) | |
(defn- middleware-fn [component middleware] | |
(if (vector? middleware) | |
(let [[f & keys] middleware | |
arguments (map #(get component %) keys)] | |
#(apply f % arguments)) | |
middleware)) | |
(defn- compose-middleware [{:keys [middleware] :as component}] | |
(->> (reverse middleware) | |
(map #(middleware-fn component %)) | |
(apply comp identity))) | |
(defrecord Handler [defaults db middleware] | |
component/Lifecycle | |
(start [component] | |
(let [component (-> component | |
(assoc-in [:defaults | |
:session | |
:store] | |
(jdbc-store (:spec db))))] | |
(if-not (:handler component) | |
(let [routes (find-routes component) | |
wrap-mw (compose-middleware component) | |
handler (wrap-mw (apply compojure/routes routes))] | |
(assoc component :handler handler)) | |
component))) | |
(stop [component] | |
(dissoc component :handler))) | |
(defn handler-component [options] | |
(map->Handler options)) |
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