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|
{-# LANGUAGE OverloadedStrings, ScopedTypeVariables, DeriveDataTypeable, TemplateHaskell, QuasiQuotes, RecordWildCards #-}
module Blog where
import Control.Monad (when, unless)
import Data.Data (Data, Typeable)
import Data.List (intersperse)
import Data.Monoid (mempty)
import Data.Text (Text, append, pack, empty)
import Data.Time
import Network.Captcha.ReCaptcha
import System.Locale (defaultTimeLocale)
import Text.Blaze (preEscapedText)
import Text.Hamlet
import Text.Lucius
import Locales
import BlogDB
import qualified Data.Text as T
-- 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)
show' :: Show a => a -> Text
show' = pack . show
data BlogURL = BlogURL
-- blog CSS (admin is still static)
stylesheetSource = $(luciusFile "../res/blogstyle.lucius")
blogStyle = renderCssUrl undefined stylesheetSource
-- blog HTML
blogTemplate :: BlogLang -> Text -> Html -> Html
blogTemplate lang t_append body = [shamlet|
$doctype 5
<head>
<title>#{blogTitle lang t_append}
<link rel="stylesheet" type="text/css" href="/static/blogv34.css" media="all">
<link rel="alternate" type="application/rss+xml" title="RSS-Feed" href=#{rssUrl}>
<meta http-equiv="content-type" content="text/html;charset=UTF-8">
<body>
<div class="header">
<a class="btitle" href=#{append "/" (show' lang)}>#{blogTitle lang empty}
<p style="clear: both;">
<span class="contacts" id="cosx">^{contactInfo iMessage}
<span class="righttext">^{preEscapedText $ rightText lang}
<div class="middle">
^{body}
<div class="footer">
^{showFooter lang $ pack version}
<div class="centerbox">
<span style="font-size:17px;font-family:Helvetica;">ಠ_ಠ
|]
where
rssUrl = T.concat ["/", show' lang, "/rss.xml"]
contactInfo imu = [shamlet|
#{contactText lang}
<a class="link" href=#{mailTo}>Mail
, #
<a class="link" href=#{twitter} target="_blank">Twitter
#{orText lang}
<a class="link" href=#{imu} target="_blank">iMessage
.
|]
showFooter :: BlogLang -> Text -> Html
showFooter l v = [shamlet|
<div class="rightbox" style="text-align:right;">
Proudly made with #
<a class="link" href="http://haskell.org">Haskell
, #
<a class="link" href="http://hackage.haskell.org/package/acid-state-0.6.3">Acid-State
\ and without PHP, Java, Perl, MySQL and Python.
<p>
<a class="link" href=#{repoURL}>#{append "Version " v}
<a class="link" href="/notice">#{noticeText l}
|]
renderEntries :: Bool -> [Entry] -> Text -> Maybe Html -> Html
renderEntries showAll entries topText footerLinks = [shamlet|
<span class="innerTitle">#{topText}
<div class="innerContainer">
<ul style="max-width:57em;">
$forall entry <- elist
<li>
<a href=#{linkElems entry}>#{linkText $ length $ comments entry}
^{preEscapedText $ append " " $ btext entry}
$if ((/=) (mtext entry) empty)
<p><a href=#{linkElems entry}>#{readMore $ lang entry}
$else
<br>
$maybe links <- footerLinks
^{links}
|]
where
elist = if' showAll entries (take 6 entries)
linkElems Entry{..} = concat $ intersperse' "/" [show lang, show entryId]
linkText n = T.concat ["[", show' n, "]"]
showLinks :: Maybe Int -> BlogLang -> Html
showLinks (Just i) lang = [shamlet|
$if ((>) i 1)
<div class="centerbox">
<a href=#{nLink $ succ i}>#{backText lang}
\ -- #
<a href=#{nLink $ pred i}>#{nextText lang}
$elseif ((<=) i 1)
^{showLinks Nothing lang}
|]
where
nLink page = T.concat ["/", show' lang, "/?page=", show' page]
showLinks Nothing lang = [shamlet|
<div class="centerbox">
<a href=#{nLink}>#{backText lang}
|]
where
nLink = T.concat ["/", show' lang, "/?page=2"]
renderEntry :: Entry -> Html
renderEntry Entry{..} = [shamlet|
<span class="innerTitle">#{title}
<span class="righttext">
<i>#{woText}
<div class="innerContainer">
<article>
<ul style="max-width:57em;">
<li>
^{preEscapedText $ btext}
<p>^{preEscapedText $ mtext}
<div class="innerBoxComments">
<div class="cHead">#{cHead lang}
<ul style="max-width:57em;">#{renderComments comments lang}
^{renderCommentBox lang entryId}
|]
where
woText = flip T.append author $ T.pack $ (formatTime defaultTimeLocale (eTimeFormat lang) edate)
renderComments :: [Comment] -> BlogLang -> Html
renderComments [] lang = [shamlet|<li>#{noComments lang}|]
renderComments comments lang = [shamlet|
$forall comment <- comments
<li>
<i>#{append (cauthor comment) ": "}
^{preEscapedText $ ctext comment}
<p class="tt">#{timeString $ cdate comment}
|]
where
timeString = formatTime defaultTimeLocale (cTimeFormat lang)
renderCommentBox :: BlogLang -> EntryId -> Html
renderCommentBox cLang cId = [shamlet|
<div class="cHead">#{cwHead cLang}
<form method="POST" action=#{aLink}>
<p><input name="cname" placeholder="Name" class="cInput">
<p>
<label>
<textarea name="ctext" cols="50" rows="13" class="cInput" placeholder=#{cTextPlaceholder cLang}>
<p><input class="cInput" style="width:120px;" type="submit" value=#{cSend cLang}>
|]
where
aLink = T.concat ["/", show' cLang, "/postcomment", show' cId]
showSiteNotice :: Html
showSiteNotice = [shamlet|
$doctype 5
<head>
<title>Impressum
<body>
<h2>
Impressum und #
<a alt="Verantwortlich im Sinne des Presserechtes">ViSdP
<i>[German law demands this]
<br>
<p>
Vincent Ambo
<br>
Benfleetstr. 8
<br>
50858 Köln
<p><a href="/" style="color:black;">Back
|]
{- Administration pages -}
adminTemplate :: Text -> Html -> Html
adminTemplate title body = [shamlet|
$doctype 5
<head>
<link rel="stylesheet" type="text/css" href="/static/admin.css" media="all">
<meta http-equiv="content-type" content="text/html;charset=UTF-8">
<title>#{append "TazBlog Admin: " title}
<body>
^{body}
|]
adminLogin :: Html
adminLogin = adminTemplate "Login" $ [shamlet|
<div class="loginBox">
<div class="loginBoxTop">TazBlog Admin: Login
<div class="loginBoxMiddle">
<form action="/dologin" method="POST">
<p>Account ID
<p><input type="text" style="font-size:2;" name="account" value="tazjin" readonly="1">
<p>Passwort
<p><input type="password" style="font-size:2;" name="password">
<p><input alt="Anmelden" type="image" src="/static/signin.gif">
|]
adminIndex :: Text -> Html
adminIndex sUser = adminTemplate "Index" $ [shamlet|
<div style="float:center;">
<form action="/admin/postentry" method="POST">
<table>
<tr>
<thead><td>Titel:
<td><input type="text" name="title">
<tr>
<thead><td>Sprache:
<td><select name="lang">
<option value="de">Deutsch
<option value="en">Englisch
<tr>
<thead><td>Text:
<td>
<textarea name="btext" cols="100" rows="15">
<tr>
<thead>
<td style="vertical-align:top;">Mehr Text:
<td>
<textarea name="mtext" cols="100" rows="15">
<input type="hidden" name="author" value=#{sUser}>
<input style="margin-left:20px;" type="submit" value="Absenden">
^{adminFooter}
|]
adminFooter :: Html
adminFooter = [shamlet|
<a href="/">Startseite
\ -- Entrylist: #
<a href="/admin/entrylist/de">DE
\ & #
<a href="/admin/entrylist/en">EN
\ -- #
<a href="#">Backup
\ (NYI)
|]
adminEntryList :: [Entry] -> Html
adminEntryList entries = adminTemplate "EntryList" $ [shamlet|
<div style="float: center;">
<table>
$forall entry <- entries
<tr>
<td><a href=#{append "/admin/edit/" (show' $ entryId entry)}>#{title entry}
<td>#{formatPostDate $ edate entry}
|]
where
formatPostDate = formatTime defaultTimeLocale "[On %D at %H:%M]"
editPage :: Entry -> Html
editPage (Entry{..}) = adminTemplate "Index" $ [shamlet|
<div style="float:center;">
<form action="/admin/updateentry" method="POST">
<table>
<tr>
<td>Titel:
<td>
<input type="text" name="title" value=#{title}>
<tr>
<td style="vertical-align:top;">Text:
<td>
<textarea name="btext" cols="100" rows="15">#{btext}
<tr>
<td style="vertical-align:top;">Mehr Text:
<td>
<textarea name="mtext" cols="100" rows="15">#{mtext}
<input type="hidden" name="eid" value=#{unEntryId entryId}>
<input type="submit" style="margin-left:20px;" value="Absenden">
<div class="editComments">#{editComments comments entryId}
<p>^{adminFooter}
|]
editComments :: [Comment] -> EntryId -> Html
editComments comments eId = [shamlet|
<table>
$forall c <- comments
<tr>
<td>#{cauthor c}
<td>#{cPostTime $ cdate c}
<tr>
<td><a href=#{cDeleteLink $ cdate c}>Löschen
|]
where
cPostTime = formatTime defaultTimeLocale "%c"
cDeleteLink cd = concat ["/admin/cdelete", show eId, formatTime defaultTimeLocale "/%s%Q" cd]
commentDeleted :: EntryId -> Html
commentDeleted eId = adminTemplate "Kommentar gelöscht" $ [shamlet|
<div>Der Kommentar wurde gelöscht.
<br>
<a href=#{append "/de/" $ show' eId}>Eintrag ansehen | #
<a href=#{append "/admin/edit/" $ show' eId}>Eintrag bearbeiten
|]
showError :: BlogError -> BlogLang -> Html
showError NotFound l = blogTemplate l (T.append ": " $ notFoundTitle l) $ [shamlet|
<span class="innerTitle">#{notFoundTitle l}
<div class="innerTitle">
<p class="notFoundFace">:(
<p class="notFoundText">#{notFoundText l}
|]
|
