site.hs

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{-# LANGUAGE OverloadedStrings #-}
import           Data.Monoid (mappend)
import           Hakyll
import	qualified Data.Set as S
import			 Text.Pandoc.Options


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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.md", "contact.md", "acads.md"]) $ do
        route   $ setExtension "html"
        compile $ pandocMathCompiler
            >>= loadAndApplyTemplate "templates/default.html" defaultContext
            >>= relativizeUrls

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

    create ["archive.html"] $ do
        route idRoute
        compile $ do
            posts <- recentFirst =<< loadAll "posts/*"
            let archiveCtx =
                    listField "posts" postCtx (return posts) `mappend`
                    constField "title" "Posts"            `mappend`
                    defaultContext

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


    match "index.html" $ do
        route idRoute
        compile $ do
            posts <- recentFirst =<< loadAll "posts/*"
            let indexCtx =
                    listField "posts" postCtx (return posts) `mappend`
                    constField "title" "Home"                `mappend`
                    defaultContext

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

    match "templates/*" $ compile templateBodyCompiler


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

pandocMathCompiler :: Compiler (Item String)
pandocMathCompiler =
    let mathExtensions = [Ext_tex_math_dollars, Ext_tex_math_double_backslash,
                          Ext_latex_macros]
        defaultExtensions = writerExtensions defaultHakyllWriterOptions
        newExtensions = foldr S.insert defaultExtensions mathExtensions
        writerOptions = defaultHakyllWriterOptions {
                          writerExtensions = newExtensions,
                          writerHTMLMathMethod = MathJax ""
                        }
    in pandocCompilerWith defaultHakyllReaderOptions writerOptions