site.hs

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{-# LANGUAGE OverloadedStrings #-}
import           Control.Applicative ((<$>))
import           Data.Monoid         (mappend)
import           Hakyll


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main :: IO ()
main = hakyll $ do
    match "images/*" $ do
        route   idRoute
        compile copyFileCompiler

    match "css/*" $ do
        route   idRoute
        compile compressCssCompiler

    match (fromList ["about.rst", "contact.markdown"]) $ do
        route   $ setExtension "html"
        compile $ pandocCompiler
            >>= loadAndApplyTemplate "templates/default.html" defaultContext
            >>= relativizeUrls

    match "posts/*" $ do
        route $ setExtension "html"
        compile $ pandocCompiler
            >>= loadAndApplyTemplate "templates/post.html"    postCtx
            >>= loadAndApplyTemplate "templates/default.html" postCtx
            >>= relativizeUrls

    create ["archive.html"] $ do
        route idRoute
        compile $ do
            let archiveCtx =
                    field "posts" (\_ -> postList recentFirst) `mappend`
                    constField "title" "Archives"              `mappend`
                    defaultContext

            makeItem ""
                >>= loadAndApplyTemplate "templates/archive.html" archiveCtx
                >>= loadAndApplyTemplate "templates/default.html" archiveCtx
                >>= relativizeUrls


    match "index.html" $ do
        route idRoute
        compile $ do
            let indexCtx = field "posts" $ \_ -> postList (take 3 . recentFirst)

            getResourceBody
                >>= applyAsTemplate indexCtx
                >>= loadAndApplyTemplate "templates/default.html" postCtx
                >>= relativizeUrls

    match "templates/*" $ compile templateCompiler


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postCtx :: Context String
postCtx =
    dateField "date" "%B %e, %Y" `mappend`
    defaultContext


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postList :: ([Item String] -> [Item String]) -> Compiler String
postList sortFilter = do
    posts   <- sortFilter <$> loadAll "posts/*"
    itemTpl <- loadBody "templates/post-item.html"
    list    <- applyTemplateList itemTpl postCtx posts
    return list