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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.Text (Text)
import qualified Data.Text as T
import Data.Time
import System.Locale (defaultTimeLocale)
import Text.Blaze (toValue, preEscapedText)
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)
blogText :: (a -> String) -> a -> Text
blogText f = T.pack . f
-- custom list functions
intersperse' :: a -> [a] -> [a]
intersperse' sep l = sep : intersperse sep l
replace :: Eq a => a -> a -> [a] -> [a]
replace x y = map (\z -> if z == x then y else z)
blogTemplate :: BlogLang -> Text -> 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 (toValue $ "/" ++ show lang) !
A.style "text-decoration:none;color:black;font-size:x-large;font-weight:bold;" $
toHtml $ blogTitle lang ""
H.p ! A.style "clear: both;" $ do
H.span ! A.style "float: left;" ! A.id "cosx" $ H.b $ contactInfo iMessage
-- H.span ! A.id "cios" ! A.style "display:none;" $ H.b $ contactInfo "sms:tazjin@me.com"
H.span ! A.style "float:right;" $ preEscapedText $ rightText lang
H.div ! A.class_ "myclear" $ mempty
body
H.div ! A.class_ "myclear" $ mempty
showFooter lang $ T.pack version
H.div ! A.class_ "centerbox" $
H.img ! A.src "http://getpunchd.com/img/june/idiots.png" ! A.alt ""
where
contactInfo (imu :: Text) = do
toHtml $ contactText lang
H.a ! A.href (toValue mailTo) $ "Mail"
", "
H.a ! A.href (toValue twitter) ! A.target "_blank" $ "Twitter"
toHtml $ orText lang
H.a ! A.href (toValue imu) ! A.target "_blank" $ "iMessage"
"."
renderEntries :: Bool -> [Entry] -> Text -> 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
preEscapedText $ T.concat [" ", blogText 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
preEscapedText $ blogText text entry
preEscapedText $ blogText mtext entry
H.div ! A.class_ "innerBoxComments" $ do
H.div ! A.class_ "cHead" $ toHtml $ cHead (lang entry) -- ! A.style "font-size:large;font-weight:bold;"
H.ul $ renderComments (comments entry) (lang entry)
renderCommentBox (lang entry) (_id entry)
renderCommentBox :: BlogLang -> String -> Html
renderCommentBox cLang cId = do
H.div ! A.class_ "cHead" $ toHtml $ cwHead cLang
H.form ! A.method "POST" ! A.action (toValue $ "/" ++ (show cLang) ++ "/postcomment/" ++ cId) $ do
H.p $ H.label $ do
H.span $ "Name:" --toHtml ("Name:" :: String)
H.input ! A.name "cname"
H.p $ H.label $ do
H.span $ toHtml $ cSingle cLang -- toHtml (cSingle lang)
H.textarea ! A.name "ctext" ! A.cols "50" ! A.rows "13" $ mempty
H.p $ H.input ! A.type_ "submit" ! A.value (toValue $ cSend cLang)
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 ++ ": ")
preEscapedText $ blogText 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
| ( i > 1) = H.div ! A.class_ "centerbox" $ do
H.a ! A.href (toValue $ "/?page=" ++ show (i+1)) $ toHtml $ backText lang
toHtml (" -- " :: Text)
H.a ! A.href (toValue $ "/?page=" ++ show (i-1)) $ toHtml $ nextText lang
| ( i <= 1 ) = showLinks Nothing lang
showLinks Nothing lang = H.div ! A.class_ "centerbox" $
H.a ! A.href "/?page=2" $ toHtml $ backText lang
showFooter :: BlogLang -> Text -> Html
showFooter l v = H.div ! A.class_ "rightbox" ! A.style "text-align:right;" $ do
toHtml ("Proudly made with " :: Text)
H.a ! A.href "http://haskell.org" $ "Haskell"
toHtml (", " :: Text)
H.a ! A.href "http://couchdb.apache.org/" $ "CouchDB"
toHtml (" and without PHP, Java, Perl, MySQL and Python." :: Text)
H.br
H.a ! A.href (toValue repoURL) $ toHtml $ T.append "Version " v
preEscapedText " "
H.a ! A.href "/notice" $ toHtml $ noticeText l
showSiteNotice :: Html
showSiteNotice = H.docTypeHtml $ do
H.title $ "Impressum"
H.h2 $ preEscapedText "Impressum und <a alt=\"Verantwortlich im Sinne des Presserechtes\">ViSdP</a>"
H.i $ "[German law demands this]"
H.br
H.p $ do
toHtml ("Vincent Ambo" :: Text)
H.br
toHtml ("Benfleetstr. 8" :: Text)
H.br
toHtml ("50858 Köln" :: Text)
H.p $ H.a ! A.href "/" ! A.style "color:black" $ "Back"
{- Administration pages -}
adminTemplate :: Html -> Text -> Html
adminTemplate body title = H.docTypeHtml $ do
H.head $ do
H.link ! A.rel "stylesheet" ! A.type_ "text/css" ! A.href "/res/admin.css" ! A.media "all"
H.meta ! A.httpEquiv "content-type" ! A.content "text/html;charset=UTF-8"
H.title $ toHtml $ T.append "TazBlog Admin: " title
H.body
body
adminLogin :: Html
adminLogin = H.div ! A.class_ "loginBox" $ do
H.div ! A.class_ "loginBoxTop" $ "TazBlog Admin: Login"
H.div ! A.class_ "loginBoxMiddle" $ H.form ! A.action "/login" ! A.method "post" $ do
H.p $ "Account ID"
H.p $ H.input ! A.type_ "text" ! A.style "font-size: 2;"
! A.name "account" ! A.value "tazjin" ! A.readonly "1"
H.p $ "Passwort"
H.p $ H.input ! A.type_ "password" ! A.style "font-size: 2;" ! A.name "pass"
-- Error pages
showError :: BlogError -> BlogLang -> Html
showError NotFound l = undefined
|
