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Haskell

--------------------------------------------------------------------------------
{-# LANGUAGE OverloadedStrings #-}
import Control.Monad (filterM)
import Data.Maybe (fromMaybe)
import Data.Monoid (mappend)
import Data.Time
import Data.Time.Format (parseTimeM, defaultTimeLocale, formatTime)
import Hakyll
--------------------------------------------------------------------------------
main :: IO ()
main = hakyll $ do
match "images/**" $ do
route idRoute
compile copyFileCompiler
match "lib/**" $ 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" staticPageContext
>>= relativizeUrls
match "posts/*" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
pandocCompiler
>>= loadAndApplyTemplate "templates/post.html" (postCtx language)
>>= loadAndApplyTemplate "templates/default.html" (postCtx language)
>>= relativizeUrls
match "events/*" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
pandocCompiler
>>= loadAndApplyTemplate "templates/event.html" (postCtx language)
>>= loadAndApplyTemplate "templates/default.html" (postCtx language)
>>= relativizeUrls
match "pages/en/japan/language/**" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
pandocCompiler
>>= loadAndApplyTemplate "templates/japan-language-note.html" (postCtx language)
>>= loadAndApplyTemplate "templates/default.html" (postCtx language)
>>= relativizeUrls
match "pages/*/plamo/**" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let dateValue = lookupString "date" metadata
purchaseDateValue = lookupString "purchase_date" metadata
formattedPurchaseDate = maybe "" formatDate purchaseDateValue
modelKitTemplate =
if dateValue == Just "1990-01-01"
then "templates/model-kit-not-ready.html"
else "templates/model-kit.html"
extendedCtx = constField "formatted_purchase_date" formattedPurchaseDate <> (postCtx language)
pandocCompiler
>>= loadAndApplyTemplate modelKitTemplate extendedCtx
>>= loadAndApplyTemplate "templates/default.html" extendedCtx
>>= relativizeUrls
match "pages/*/radio/fielddays/*" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
pandocCompiler
>>= loadAndApplyTemplate "templates/radio.html" (postCtx language)
>>= loadAndApplyTemplate "templates/default.html" (postCtx language)
>>= relativizeUrls
match "pages/*/software/**" $ do
route $ setExtension "html"
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
pandocCompiler
-- >>= loadAndApplyTemplate "templates/software-post.html" (postCtx language)
>>= loadAndApplyTemplate "templates/default.html" (postCtx language)
>>= relativizeUrls
create ["archive.html"] $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
posts <- recentFirst =<< loadAll "posts/*"
let archiveCtx =
listField "posts" (postCtx language) (return posts) <>
constField "title" "Archives" <>
constField "language" lang <>
langDict lang <>
defaultContext
makeItem ""
>>= loadAndApplyTemplate "templates/archive.html" archiveCtx
>>= loadAndApplyTemplate "templates/default.html" archiveCtx
>>= relativizeUrls
match (fromList
[ "nl/plamo.html"
, "jp/plamo.html"
, "en/plamo.html"
]) $ do
route idRoute
compile $ do
-- ident <- getUnderlying
-- language <- getMetadataField' ident "language"
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
let urla = "pages/" ++ lang ++ "/plamo/**"
kits <- recentFirst =<< loadAll (fromGlob (urla))
let plamoCtx =
listField "kits" kitCtx (return kits) <>
langDict lang <>
defaultContext
getResourceBody
>>= applyAsTemplate plamoCtx
>>= loadAndApplyTemplate "templates/default.html" plamoCtx
>>= relativizeUrls
match (fromList
[ "nl/japan.html"
, "jp/japan.html"
, "en/japan.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
notes <- loadAll "pages/en/japan/language/notes/*"
let japanCtx =
listField "notes" (postCtx language) (return notes) <>
langDict lang <>
defaultContext
getResourceBody
>>= applyAsTemplate japanCtx
>>= loadAndApplyTemplate "templates/default.html" japanCtx
>>= relativizeUrls
match (fromList
[ "nl/radio.html"
, "jp/radio.html"
, "en/radio.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
fielddays <- loadAll $ (fromGlob ("pages/" ++ lang ++ "/radio/fielddays/*"))
fielddays <- recentFirst fielddays
let radioCtx =
listField "fielddays" (postCtx language) (return fielddays) <>
langDict lang <>
defaultContext
getResourceBody
>>= applyAsTemplate radioCtx
>>= loadAndApplyTemplate "templates/default.html" radioCtx
>>= relativizeUrls
match (fromList
[ "nl/software.html"
, "jp/software.html"
, "en/software.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
projects <- loadAll $ (fromGlob ("pages/" ++ lang ++ "/software/projects/*"))
projects <- recentFirst projects
let softwareCtx =
listField "projects" (postCtx language) (return projects) <>
langDict lang <>
defaultContext
getResourceBody
>>= applyAsTemplate softwareCtx
>>= loadAndApplyTemplate "templates/default.html" softwareCtx
>>= relativizeUrls
match (fromList
[ "nl/code/blazor.html"
, "jp/code/blazor.html"
, "en/code/blazor.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
blazorPages <- loadAll "pages/en/software/code/blazor/*"
let softwareCtx =
listField "blazorPages" (postCtx language) (return blazorPages) <>
langDict lang <>
defaultContext
pandocCompiler
>>= loadAndApplyTemplate "templates/code.html" softwareCtx
>>= loadAndApplyTemplate "templates/default.html" softwareCtx
>>= relativizeUrls
match (fromList
[ "nl/code/elm.html"
, "jp/code/elm.html"
, "en/code/elm.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
elmPages <- loadAll "pages/en/software/code/elm/*"
let softwareCtx =
listField "elmPages" (postCtx language) (return elmPages) <>
langDict lang <>
defaultContext
pandocCompiler
>>= loadAndApplyTemplate "templates/code.html" softwareCtx
>>= loadAndApplyTemplate "templates/default.html" softwareCtx
>>= relativizeUrls
match (fromList
[ "nl/code/haskell.html"
, "jp/code/haskell.html"
, "en/code/haskell.html"
]) $ do
route idRoute
compile $ do
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
haskellPages <- loadAll "pages/en/software/code/haskell/*"
let softwareCtx =
listField "haskellPages" (postCtx language) (return haskellPages) <>
langDict lang <>
defaultContext
pandocCompiler
>>= loadAndApplyTemplate "templates/code.html" softwareCtx
>>= loadAndApplyTemplate "templates/default.html" softwareCtx
>>= relativizeUrls
match (fromList
[ "index.html"
, "nl/index.html"
, "jp/index.html"
, "en/index.html"
]) $ do
route idRoute
compile $ do
posts <- recentFirst =<< loadAll "posts/*"
now <- unsafeCompiler getCurrentTime
ident <- getUnderlying
--language <- getMetadataField' ident "language"
identifier <- getUnderlying
metadata <- getMetadata identifier
let language = lookupString "language" metadata
let lang = fromMaybe "en" language
-- Seven days from today.
let cutoff = addUTCTime (7 * 24 * 60 * 60) now
events <-
loadAll "events/*"
>>= filterM (isUpcoming cutoff)
>>= chronological
let indexCtx =
-- (<> is the modern version of `mappend`.)
listField "posts" (postCtx language) (return posts) <>
listField "events" (postCtx language) (return events) <>
langDict lang <>
defaultContext
getResourceBody
>>= applyAsTemplate indexCtx
>>= loadAndApplyTemplate "templates/default.html" indexCtx
>>= relativizeUrls
match "templates/*" $ compile templateBodyCompiler
--------------------------------------------------------------------------------
staticPageContext :: Context String
staticPageContext =
langDict "en" <>
defaultContext
formatDate :: String -> String
formatDate s =
case parseTimeM True defaultTimeLocale "%Y-%m-%d" s :: Maybe Day of
Just day -> formatTime defaultTimeLocale "%e %B %Y" day
Nothing -> s
postCtx :: Maybe String -> Context String
postCtx language =
let lang = fromMaybe "en" language
in
dateField "date" "%e %B %Y" <>
constField "language" lang <>
langDict lang <>
defaultContext
kitCtx :: Context String
kitCtx =
(field "formatted_purchase_date" $ \item -> do
metadata <- getMetadata (itemIdentifier item)
let purchaseDateValue = lookupString "purchase_date" metadata
return $ maybe "" formatDate purchaseDateValue
)
<> postCtx Nothing
isUpcoming :: UTCTime -> Item a -> Compiler Bool
isUpcoming cutoff item = do
metadata <- getMetadata (itemIdentifier item)
case lookupString "date" metadata of
Nothing -> return False
Just ds ->
case parseTimeM True defaultTimeLocale "%Y-%m-%d" ds of
Nothing -> return False
Just date -> return (date >= cutoff)
langDict :: String -> Context a
langDict "nl" =
constField "switcher" "Taal" <>
constField "title-japan" "Japan" <>
constField "title-plamo" "Plamo" <>
constField "title-radio" "Radio" <>
constField "title-software" "Software" <>
constField "text-plamo-not-ready" "Deze model-kit heeft nog geen gepubliceerd werk." <>
constField "text-plamo-back" "Terug naar plamo kits" <>
constField "text-radio-back" "Terug naar radio overzicht" <>
mempty
langDict "jp" =
constField "switcher" "言語" <>
constField "title-japan" "日本" <>
constField "title-plamo" "プラモ" <>
constField "title-radio" "ラジオ" <>
constField "title-software" "ソフトウェア" <>
constField "text-plamo-not-ready" "この模型キットには、まだ制作例が公開されていません。" <>
constField "text-plamo-back" "プラモデルキットに戻る" <>
constField "text-radio-back" "ラジオに戻る" <>
mempty
langDict "en" =
constField "switcher" "Language" <>
constField "title-japan" "Japan" <>
constField "title-plamo" "Plamo" <>
constField "title-radio" "Radio" <>
constField "title-software" "Software" <>
constField "text-plamo-not-ready" "This model kit has no work published for it yet." <>
constField "text-plamo-back" "Back to plamo kits" <>
constField "text-radio-back" "Back to radio overview" <>
mempty
langDict _ = mempty