about summary refs log tree commit diff
path: root/src/Blog.hs
blob: 87397ac821a348d7e7d144e4bec072d345f0c362 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
{-# 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>&nbsp;</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 "&nbsp;"
    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