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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
blogTemplate :: BlogLang -> Html -> Html
blogTemplate lang body = H.docTypeHtml $ do --add body
H.head $ do
H.title $ (toHtml $ blogTitle lang)
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 :: [Entry] -> Int -> String-> Html
renderEntries entries num topText = H.div ! A.class_ "innerBox" $ do
H.div ! A.class_ "innerBoxTop" $ toHtml topText
H.div ! A.class_ "innerBoxMiddle" $ do
H.ul $
sequence_ $ take num $ reverse $ map showEntry entries
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]
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
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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