Updated the compiler to inject the blog prefix in front of local links and added docstrings
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1 changed files with 110 additions and 38 deletions
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@ -9,55 +9,85 @@
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[clojure.string :as s]
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[text-decoration.core :refer :all]
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[markdown.core :refer [md-to-html-string]]
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[markdown.transformers :refer [transformer-vector]]
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[cryogen-core.toc :refer [generate-toc]]
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[cryogen-core.sass :as sass]))
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(cache-off!)
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(defn root-path [config k]
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(def public "resources/public")
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(defn root-path
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"Creates the root path for posts, tags and pages"
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[config k]
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(if-let [root (k config)]
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(str "/" root "/") "/"))
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(def public "resources/public")
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(defn find-md-assets []
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(defn find-md-assets
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"Returns a list of files ending with .md under templates"
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[]
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(find-assets "templates" ".md"))
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(defn find-posts [{:keys [post-root]}]
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(defn find-posts
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"Returns a list of markdown files representing posts under the post root in templates/md"
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[{:keys [post-root]}]
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(find-assets (str "templates/md" post-root) ".md"))
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(defn find-pages [{:keys [page-root]}]
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(defn find-pages
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"Returns a list of markdown files representing pages under the page root in templates/md"
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[{:keys [page-root]}]
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(find-assets (str "templates/md" page-root) ".md"))
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(defn parse-post-date [file-name date-fmt]
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(defn parse-post-date
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"Parses the post date from the post's file name and returns the corresponding java date object"
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[file-name date-fmt]
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(let [fmt (java.text.SimpleDateFormat. date-fmt)]
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(.parse fmt (.substring file-name 0 10))))
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(defn post-uri [file-name {:keys [blog-prefix post-root]}]
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(defn post-uri
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"Creates a post uri from the post file name"
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[file-name {:keys [blog-prefix post-root]}]
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(str blog-prefix post-root (s/replace file-name #".md" ".html")))
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(defn page-uri [page-name {:keys [blog-prefix page-root]}]
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(defn page-uri
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"Creates a page uri from the page file name"
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[page-name {:keys [blog-prefix page-root]}]
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(str blog-prefix page-root (s/replace page-name #".md" ".html")))
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(defn read-page-meta [page rdr]
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(defn read-page-meta
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"Returns the clojure map from the top of a markdown page/post"
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[page rdr]
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(try
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(read rdr)
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(catch Exception _
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(throw (IllegalArgumentException. (str "Malformed metadata on page: " page))))))
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(defn parse-content [rdr]
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(defn rewrite-hrefs
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"Injects the blog prefix in front of any local links
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ex. <img src='/img/cryogen.png'/> becomes <img src='/blog/img/cryogen.png'/>"
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[{:keys [blog-prefix]} text state]
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[(clojure.string/replace text #"href=.?/|src=.?/" #(str (subs % 0 (dec (count %))) blog-prefix "/"))
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state])
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(defn parse-content
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"Parses the markdown content in a post/page into html"
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[rdr config]
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(md-to-html-string
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(->> (java.io.BufferedReader. rdr)
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(line-seq)
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(s/join "\n"))
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:heading-anchors true))
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:heading-anchors true
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:replacement-transformers (conj transformer-vector (partial rewrite-hrefs config))))
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(defn parse-page [is-post? page config]
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(defn parse-page
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"Parses a page/post and returns a map of the content, uri, date etc."
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[is-post? page config]
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(with-open [rdr (java.io.PushbackReader. (reader page))]
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(let [page-name (.getName page)
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file-name (s/replace page-name #".md" ".html")
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page-meta (read-page-meta page-name rdr)
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content (parse-content rdr)]
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content (parse-content rdr config)]
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(merge
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(update-in page-meta [:layout] #(str (name %) ".html"))
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{:file-name file-name
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@ -75,26 +105,38 @@
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{:uri (page-uri file-name config)
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:page-index (:page-index page-meta)})))))
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(defn read-posts [config]
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(defn read-posts
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"Returns a sequence of maps representing the data from markdown files of posts.
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Sorts the sequence by post date."
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[config]
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(->> (find-posts config)
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(map #(parse-page true % config))
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(sort-by :date)
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reverse))
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(defn read-pages [config]
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(defn read-pages
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"Returns a sequence of maps representing the data from markdown files of pages.
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Sorts the sequence by post date."
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[config]
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(->> (find-pages config)
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(map #(parse-page false % config))
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(sort-by :page-index)))
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(defn tag-post [tags post]
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(defn tag-post
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"Adds the uri and title of a post to the list of posts under each of its tags"
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[tags post]
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(reduce (fn [tags tag]
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(update-in tags [tag] (fnil conj []) (select-keys post [:uri :title])))
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tags (:tags post)))
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(defn group-by-tags [posts]
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(defn group-by-tags
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"Maps all the tags with a list of posts that contain each tag"
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[posts]
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(reduce tag-post {} posts))
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(defn group-for-archive [posts]
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(defn group-for-archive
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"Groups the posts by month and year for archive sorting"
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[posts]
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(->> posts
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(map #(select-keys % [:title :uri :date :formatted-archive-group :parsed-archive-group]))
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(group-by :formatted-archive-group)
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@ -105,23 +147,32 @@
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(sort-by :parsed-group)
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reverse))
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(defn tag-info [{:keys [blog-prefix tag-root]} tag]
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(defn tag-info
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"Returns a map containing the name and uri of the specified tag"
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[{:keys [blog-prefix tag-root]} tag]
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{:name (name tag)
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:uri (str blog-prefix tag-root (name tag) ".html")})
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(defn add-prev-next [pages]
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(defn add-prev-next
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"Adds a :prev and :next key to the page/post data containing the title and uri of the prev/next
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post/page if it exists"
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[pages]
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(map (fn [[prev target next]]
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(assoc target
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:prev (if prev (select-keys prev [:title :uri]) nil)
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:next (if next (select-keys next [:title :uri]) nil)))
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(partition 3 1 (flatten [nil pages nil]))))
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(defn group-pages [pages]
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(defn group-pages
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"Separates the pages into links for the navbar and links for the sidebar"
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[pages]
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(let [{navbar-pages true
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sidebar-pages false} (group-by #(boolean (:navbar? %)) pages)]
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(map (partial sort-by :page-index) [navbar-pages sidebar-pages])))
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(defn compile-pages [default-params pages {:keys [blog-prefix page-root]}]
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(defn compile-pages
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"Compiles all the pages into html and spits them out into the public folder"
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[default-params pages {:keys [blog-prefix page-root asset-url]}]
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(when-not (empty? pages)
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(println (blue "compiling pages"))
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(create-folder (str blog-prefix page-root))
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@ -131,9 +182,12 @@
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(render-file "templates/html/layouts/page.html"
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(merge default-params
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{:servlet-context "../"
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:page page}))))))
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:page page
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:asset-url asset-url}))))))
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(defn compile-posts [default-params posts {:keys [blog-prefix post-root disqus-shortname]}]
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(defn compile-posts
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"Compiles all the posts into html and spits them out into the public folder"
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[default-params posts {:keys [blog-prefix post-root disqus-shortname asset-url]}]
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(when-not (empty? posts)
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(println (blue "compiling posts"))
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(create-folder (str blog-prefix post-root))
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@ -144,9 +198,12 @@
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(merge default-params
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{:servlet-context "../"
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:post post
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:disqus-shortname disqus-shortname}))))))
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:disqus-shortname disqus-shortname
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:asset-url asset-url}))))))
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(defn compile-tags [default-params posts-by-tag {:keys [blog-prefix tag-root] :as config}]
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(defn compile-tags
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"Compiles all the tag pages into html and spits them out into the public folder"
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[default-params posts-by-tag {:keys [blog-prefix tag-root] :as config}]
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(when-not (empty? posts-by-tag)
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(println (blue "compiling tags"))
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(create-folder (str blog-prefix tag-root))
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:name name
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:posts posts})))))))
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(defn compile-index [default-params {:keys [blog-prefix disqus?]}]
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(defn compile-index
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"Compiles the index page into html and spits it out into the public folder"
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[default-params {:keys [blog-prefix disqus? asset-url]}]
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(println (blue "compiling index"))
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(spit (str public blog-prefix "/index.html")
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(render-file "templates/html/layouts/home.html"
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(merge default-params
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{:home true
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:disqus? disqus?
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:post (get-in default-params [:latest-posts 0])}))))
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{:home true
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:disqus? disqus?
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:post (get-in default-params [:latest-posts 0])
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:asset-url asset-url}))))
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(defn compile-archives [default-params posts {:keys [blog-prefix]}]
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(defn compile-archives
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"Compiles the archives page into html and spits it out into the public folder"
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[default-params posts {:keys [blog-prefix]}]
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(println (blue "compiling archives"))
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(spit (str public blog-prefix "/archives.html")
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(render-file "templates/html/layouts/archives.html"
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(merge default-params
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{:archives true
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:groups (group-for-archive posts)}))))
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:groups (group-for-archive posts)}))))
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(defn tag-posts [posts config]
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(defn tag-posts
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"Converts the tags in each post into links"
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[posts config]
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(map #(update-in % [:tags] (partial map (partial tag-info config))) posts))
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(defn read-config []
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(defn read-config
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"Reads the config file"
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[]
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(let [config (-> "templates/config.edn"
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get-resource
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slurp
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(update-in [:sass-src] (fnil str "css"))
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(update-in [:sass-dest] (fnil str "css"))
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(update-in [:post-date-format] (fnil str "yyyy-MM-dd"))
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(update-in [:keep-files] (fnil seq [])))]
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(update-in [:keep-files] (fnil seq [])))
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site-url (:site-url config)
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blog-prefix (:blog-prefix config)]
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(merge
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config
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{:page-root (root-path :page-root config)
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:post-root (root-path :post-root config)
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:tag-root (root-path :tag-root config)})))
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:tag-root (root-path :tag-root config)
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:asset-root (str (if (.endsWith site-url "/") (apply str (butlast site-url)) site-url)
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blog-prefix)})))
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(defn compile-assets []
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(defn compile-assets
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"Generates all the html and copies over resources specified in the config"
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[]
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(println (green "compiling assets..."))
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(let [{:keys [site-url blog-prefix rss-name recent-posts sass-src sass-dest keep-files] :as config} (read-config)
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posts (add-prev-next (read-posts config))
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