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(ns mulk.benki.util
(:refer-clojure)
(:use [hiccup core page-helpers]
[clojure.core.match :only [match]]
noir.core)
(:require [noir.session :as session]
[noir.request :as request]
[noir.response :as response])
(:import [java.text DateFormat]))
(def fmt clojure.pprint/cl-format)
(defonce #^:private finished-initializations (atom #{}))
(defmacro do-once [key & body]
`(while (not (@(deref #'finished-initializations) key))
(let [fininit-copy# @(deref #'finished-initializations)]
(when (compare-and-set! (deref #'finished-initializations)
fininit-copy#
(conj fininit-copy# key))
(do ~@body)))))
;; defpartial is just defn + html.
(defpartial layout [kind title & content]
(html5 {:xml? true}
[:head
[:title title]
;; jQuery
[:script {:type "text/javascript"
:src (resolve-uri "/3rdparty/jquery/jquery-1.7.min.js")}]
(:head kind)]
[:body [:h1 title]
content
(:bottom kind)]))
(defn fresolve [s & args]
(resolve-uri (apply fmt nil s args)))
(defn link [& args]
(match [(vec args)]
[[:login]] (fresolve "/login")
[[:marx]] (fresolve "/marx")
[[:wiki title & xs]] (fresolve "/wiki/~a~@[~a~]" title (first xs))
))
(defn call-with-auth [thunk]
(if (session/get :user)
(thunk)
(do (session/flash-put! (:uri (request/ring-request)))
(response/redirect "/login"))))
(defmacro with-auth [& body]
`(call-with-auth (fn [] ~@body)))
(defn redirect [x]
{:status 302, :headers {"Location" x}, :body ""})
(defn format-date [x]
(.format (DateFormat/getDateTimeInstance DateFormat/FULL DateFormat/FULL)
x))
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