cryogen-core/src/cryogen_core/io.clj

65 lines
2.2 KiB
Clojure

(ns cryogen-core.io
(:require [clojure.java.io :as io]
[me.raynes.fs :as fs]))
(def public "resources/public")
(defn re-filter [bool-fn re & other-res]
(let [res (conj other-res re)]
(reify java.io.FilenameFilter
(accept [this _ name]
(bool-fn (some #(re-find % name) res))))))
(def match-re-filter (partial re-filter some?))
(def reject-re-filter (partial re-filter nil?))
(defn get-resource [resource]
(-> resource io/resource io/file))
(defn ignore [ignored-files]
(fn [file]
(let [name (.getName file)
matches (map #(re-find % name) ignored-files)]
(not (some seq matches)))))
(defn find-assets [f ext ignored-files]
(->> (get-resource f)
file-seq
(filter (ignore ignored-files))
(filter (fn [file] (-> file .getName (.endsWith ext))))))
(defn create-folder [folder]
(let [loc (io/file (str public folder))]
(when-not (.exists loc)
(.mkdirs loc))))
(defn wipe-public-folder [keep-files]
(let [filenamefilter (reify java.io.FilenameFilter (accept [this _ filename] (not (some #{filename} keep-files))))]
(doseq [path (.listFiles (io/file public) filenamefilter)]
(fs/delete-dir path))))
(defn copy-images-from-markdown-folders [{:keys [blog-prefix]}]
(doseq [asset (fs/find-files "resources/templates/md" #".+(jpg|jpeg|png|gif)")]
(io/copy asset (io/file (str public blog-prefix "/img/" (.getName asset))))))
(defn copy-dir [src target ignored-files]
(fs/mkdirs target)
(let [filename-filter (apply reject-re-filter ignored-files)
files (.listFiles (io/file src) filename-filter)]
(doseq [f files]
(let [out (io/file target (.getName f))]
(if (.isDirectory f)
(copy-dir f out ignored-files)
(io/copy f out))))))
(defn copy-resources [{:keys [blog-prefix resources ignored-files]}]
(doseq [resource resources]
(let [src (str "resources/templates/" resource)
target (str public blog-prefix "/" resource)]
(cond
(not (.exists (io/file src)))
(throw (IllegalArgumentException. (str "resource " src " not found")))
(.isDirectory (io/file src))
(copy-dir src target ignored-files)
:else
(fs/copy src target)))))