66 lines
2.3 KiB
Clojure
66 lines
2.3 KiB
Clojure
(ns buchdesmonats.core
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(:gen-class)
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(:require [net.cgrand.enlive-html :as html]
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[clj-http.client :as http-client]
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[clojure.string :as str]
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[clojure.java.io :as io]
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[me.raynes.fs :as fs]))
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(def *config* {:books-url "https://raw.github.com/CTHN/wiki-data/master/pages/projects/buch_des_monats.mkd"
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:target-dir (io/file "public" "book-covers")})
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(defn imgurl->bytes [lovelybooks-url]
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(-> (java.net.URL. lovelybooks-url)
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html/html-resource
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(html/select [:div.bookcoverXXL :> :div :> :img])
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first
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(get-in [:attrs :src])
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(#(str "http:" %))
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(http-client/get {:as :byte-array})
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:body))
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(defn url->file [lovelybooks-url target-dir]
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(let [[_ author title] (re-find #".\/autor\/([^\/]+)\/(.+)-([0-9]+)-.\/$" lovelybooks-url)]
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(io/file target-dir
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(str/lower-case (str author "_" title ".jpg")))))
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(defn scrape-book-urls [github-url]
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(->> (http-client/get github-url)
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:body
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str/split-lines
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(map #(second (re-find #"^\* .*\[.+\]\((.+)\)" %)))
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(remove nil?)))
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(defn scrape-book-cover [url target-dir]
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(let [target-file (url->file url target-dir)]
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(with-open [out (io/output-stream target-file)]
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(.write out (imgurl->bytes url)))))
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(defn find-missing-covers [books-url target-dir]
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(remove #(fs/exists? (url->file % target-dir))
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(scrape-book-urls books-url)))
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(html/defsnippet cover-item-model "buchdesmonats/layout.html" [:div#covers :> :div]
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[link title]
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[:a] (html/set-attr :href link)
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[:img] (html/set-attr :src (url->file link "book-covers") :title title))
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(html/deftemplate index-template "buchdesmonats/layout.html"
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[cover-urls]
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[:#covers] (html/content (map
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#(cover-item-model % "To LovelyBooks")
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cover-urls)))
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(defn generate-html [book-urls target-dir]
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(let [content (apply str (index-template book-urls))]
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(with-open [out (io/writer (io/file "public" "index.html"))]
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(.write out content))))
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(defn -main [& args]
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(fs/mkdirs (:target-dir *config*))
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;;; TODO: refactor the whole config shit
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(generate-html (scrape-book-urls (:books-url *config*)) "public")
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(doall (pmap #(scrape-book-cover % (:target-dir *config*))
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(find-missing-covers (:books-url *config*) (:target-dir *config*))))
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true)
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