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{-# LANGUAGE OverloadedStrings, ScopedTypeVariables, DeriveDataTypeable #-}
module Blog where
import Data.Data (Data, Typeable)
import Data.List (intersperse)
import Data.Monoid (mempty)
import Data.Time
import System.Locale (defaultTimeLocale)
import Text.Blaze (toValue, preEscapedString)
import Text.Blaze.Html5 (Html, (!), a, form, input, p, toHtml, label)
import Text.Blaze.Html5.Attributes (action, enctype, href, name, size, type_, value)
import qualified Text.Blaze.Html5 as H
import qualified Text.Blaze.Html5.Attributes as A
import Locales
data Comment = Comment{
cauthor :: String,
ctext :: String,
cdate :: Integer
} deriving (Show, Data, Typeable)
data Entry = Entry{
_id :: String,
year :: Int,
month :: Int,
day :: Int,
lang :: BlogLang,
title :: String,
author :: String,
text :: String,
mtext :: String,
comments :: [Comment]
} deriving (Show, Data, Typeable)
data BlogError = NoEntries | NotFound | DBError
intersperse' :: a -> [a] -> [a]
intersperse' sep l = sep : intersperse sep l
blogTemplate :: BlogLang -> String -> Html -> Html
blogTemplate lang t_append body = H.docTypeHtml $ do --add body
H.head $ do
H.title $ (toHtml $ blogTitle lang t_append)
H.link ! A.rel "alternate" ! A.type_ "application/rss+xml" ! A.title "RSS-Feed" ! A.href "/rss"
H.link ! A.rel "stylesheet" ! A.type_ "text/css" ! A.href "/res/blogstyle.css" ! A.media "all"
H.meta ! A.httpEquiv "content-type" ! A.content "text/html;charset=UTF-8"
--H.style ! A.type_ "text/css" ! A.title "iOS iMessage" ! A.media "screen and (max-device-width: 1024px)" $ "#cosx{display:none;}"
H.body $ do
H.div ! A.class_ "mainshell" $ H.div ! A.class_ "gradBox" $ do
H.div ! A.class_ "header" $ do
H.a ! A.href "/" ! A.style "text-decoration:none;color:black;font-size:x-large;font-weight:bold;" $
toHtml $ blogTitle lang ""
H.br
H.span ! A.id "cosx" ! A.style "display:block;" $ H.b $ contactInfo iMessage
-- H.span ! A.id "cios" ! A.style "display:none;" $ H.b $ contactInfo "sms:tazjin@me.com"
H.div ! A.class_ "myclear" $ mempty
body
H.div ! A.class_ "myclear" $ mempty
showFooter lang version
H.div ! A.class_ "centerbox" $
H.img ! A.src "http://getpunchd.com/img/june/idiots.png" ! A.alt ""
where
contactInfo (imu :: String) = do
toHtml $ contactText lang
H.a ! A.href (toValue mailTo) $ "Mail"
", "
H.a ! A.href (toValue twitter) ! A.target "_blank" $ "Twitter"
toHtml $ orString lang
H.a ! A.href (toValue imu) ! A.target "_blank" $ "iMessage"
"."
renderEntries :: Bool -> [Entry] -> String -> Maybe Html -> Html
renderEntries showAll entries topText footerLinks =
H.div ! A.class_ "innerBox" $ do
H.div ! A.class_ "innerBoxTop" $ toHtml topText
H.div ! A.class_ "innerBoxMiddle" $ do
H.ul $ if' showAll
(sequence_ $ map showEntry entries)
(sequence_ . take 6 $ map showEntry entries)
getFooterLinks footerLinks
where
showEntry :: Entry -> Html
showEntry e = H.li $ do
entryLink e
preEscapedString $ " " ++ (text e) ++ "<br> </br>"
entryLink e = H.a ! A.href (toValue $ concat $ intersperse' "/" $ linkElems e) $
toHtml ("[" ++ show(length $ comments e) ++ "]")
linkElems e = [show(lang e), show(year e), show(month e), show(day e), _id e]
getFooterLinks (Just h) = h
getFooterLinks Nothing = mempty
renderEntry :: Entry -> Html
renderEntry entry = H.div ! A.class_ "innerBox" $ do
H.div ! A.class_ "innerBoxTop" $ toHtml $ title entry
H.div ! A.class_ "innerBoxMiddle" $ do
H.article $ H.ul $ H.li $ do
preEscapedString $ text entry
preEscapedString $ mtext entry
H.div ! A.class_ "innerBoxComments" $ do
H.div ! A.name "cHead" ! A.style "font-size:large;font-weight:bold;" $ toHtml $ cHead (lang entry)
H.ul $ renderComments (comments entry) (lang entry)
renderComments :: [Comment] -> BlogLang -> Html
renderComments [] lang = H.li $ toHtml $ noComments lang
renderComments comments lang = sequence_ $ map showComment comments
where
showComment :: Comment -> Html
showComment c = H.li $ do
H.a ! A.name (toValue $ cdate c) ! A.href (toValue $ "#" ++ (show $ cdate c)) ! A.class_ "cl" $
H.i $ toHtml $ (cauthor c ++ ": ")
preEscapedString $ ctext c
H.p ! A.class_ "tt" $ toHtml (timeString $ cdate c)
getTime :: Integer -> Maybe UTCTime
getTime t = parseTime defaultTimeLocale "%s" (show t)
showTime lang (Just t) = formatTime defaultTimeLocale (cTimeFormat lang) t
showTime _ Nothing = "[???]" -- this can not happen??
timeString = (showTime lang) . getTime
showLinks :: Maybe Int -> BlogLang -> Html
showLinks (Just i) lang = H.div ! A.class_ "centerbox" $ do
H.a ! A.href (toValue $ "/?page=" ++ show (i+1)) $ toHtml $ backText lang
toHtml (" -- " :: String)
H.a ! A.href (toValue $ "/?page=" ++ show (i-1)) $ toHtml $ nextText lang
showLinks Nothing lang = H.div ! A.class_ "centerbox" $
H.a ! A.href "/?page=2" $ toHtml $ backText lang
showFooter :: BlogLang -> String -> Html
showFooter l v = H.div ! A.class_ "rightbox" ! A.style "text-align:right;" $ do
toHtml ("Proudly made with " :: String)
H.a ! A.href "http://haskell.org" $ "Haskell"
toHtml (", " :: String)
H.a ! A.href "http://couchdb.apache.org/" $ "CouchDB"
toHtml (" and without PHP, Java, Perl, MySQL and Python." :: String)
H.br
H.a ! A.href (toValue repoURL) $ toHtml $ ("Version " :: String) ++ v
preEscapedString " "
H.a ! A.href "/notice" $ toHtml $ noticeText l
-- Error pages
showError :: BlogError -> Html
showError _ = undefined
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