pdorg_site/site.hs

--------------------------------------------------------------------------------
{-# LANGUAGE OverloadedStrings #-}
import           Data.Monoid (mappend)
import           Hakyll


--------------------------------------------------------------------------------
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

  tags <- buildTags "posts/*" (fromCapture "tags/*.html")

  tagsRules tags $ \tag pattern -> do
    let title = "Posts tagged \"" ++ tag ++ "\""
    route idRoute
    compile $ do
      posts <- recentFirst =<< loadAll pattern
      let ctx = constField "title" title
            `mappend` listField "posts" postCtx (return posts)
            `mappend` defaultContext

      makeItem ""
        >>= loadAndApplyTemplate "templates/tag.html" ctx
        >>= loadAndApplyTemplate "templates/default.html" ctx
        >>= relativizeUrls

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

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


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

postCtxWithTags :: Tags -> Context String
postCtxWithTags tags = tagsField "tags" tags `mappend` postCtx