yenu/src/clj/yenu/layout.clj

(ns yenu.layout
  (:require [selmer.parser :as parser]
            [selmer.filters :as filter]
            [ring.util.http-response :refer [content-type ok]]
            [ring.util.anti-forgery :refer [anti-forgery-field]]
            [yenu.helpers.images :as image-helper]
            [ring.middleware.anti-forgery :refer [*anti-forgery-token*]]
            [clj-time.format :as time-format])
  (:use [markdown.core]))

(declare ^:dynamic *identity*)
(declare ^:dynamic *app-context*)
(parser/set-resource-path!  (clojure.java.io/resource "templates"))
(parser/add-tag! :csrf-field (fn [_ _] (anti-forgery-field)))
(filter/add-filter! :inc inc)
(filter/add-filter! :dec dec)
(filter/add-filter! :markdown-to-html md-to-html-string)
(filter/add-filter! :parse-date time-format/parse)

(defn render
  "renders the HTML template located relative to resources/templates"
  [template & [params]]
  (content-type
   (ok
    (parser/render-file
     template
     (assoc params
            :page template
            :csrf-token *anti-forgery-token*
            :servlet-context *app-context*
            :identity *identity*
            )))
   "text/html; charset=utf-8"))

(defn error-page
  "error-details should be a map containing the following keys:
   :status - error status
   :title - error title (optional)
   :message - detailed error message (optional)

   returns a response map with the error page as the body
   and the status specified by the status key"
  [error-details]
  {:status  (:status error-details)
   :headers {"Content-Type" "text/html; charset=utf-8"}
   :body    (parser/render-file "error.html" error-details)})