* changes D:

1 files changed, 132 insertions, 0 deletions

diff --git a/src/Main.hs b/src/Main.hs
new file mode 100644
index 000000000000..27dfc621bd04
--- /dev/null
+++ b/src/Main.hs
@@ -0,0 +1,132 @@
+{-# LANGUAGE OverloadedStrings, ScopedTypeVariables #-}
+
+module Main where
+
+import           Control.Monad (msum, mzero)
+import           Data.Monoid (mempty)
+import           Data.ByteString.Char8 (ByteString)
+import           Data.Text hiding (map, length, zip, head)
+import           Data.Time
+import           Database.CouchDB
+import           Happstack.Server
+import           Network.CGI (liftIO)
+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           Text.JSON.Generic
+
+import           Blog
+import           Locales
+
+tmpPolicy :: BodyPolicy
+tmpPolicy = (defaultBodyPolicy "./tmp/" 0 1000 1000)
+
+main :: IO()
+main = do
+    putStrLn ("TazBlog " ++ version ++ " in Haskell starting")
+    simpleHTTP nullConf tazBlog
+
+tazBlog :: ServerPart Response
+tazBlog = do
+    msum [ dir (show DE) $ blogHandler DE
+         , dir (show EN) $ blogHandler EN
+         , do nullDir
+              showIndex DE
+         , do dir " " $ nullDir
+              seeOther ("https://plus.google.com/115916629925754851590" :: String) (toResponse ())
+         , dir "res" $ serveDirectory DisableBrowsing [] "../res"
+         , serveDirectory DisableBrowsing [] "../res"
+         ]
+
+blogHandler :: BlogLang -> ServerPart Response
+blogHandler lang = 
+    msum [ path $ \(year :: Int) -> path $ \(month :: Int) -> path $ --single entry
+                      \(day :: Int) -> path $ \(id_ :: String) -> showEntry year month day id_
+         , path $ \(year :: Int) -> path $ \(month :: Int) -> path $ 
+                      \(day :: Int) -> showDay year month day lang
+         , path $ \(year :: Int ) -> path $ \(month :: Int) -> showMonth year month lang
+         , path $ \(year :: Int ) -> showYear year lang
+         , do nullDir
+              showIndex lang
+         ]
+
+showEntry :: Int -> Int -> Int -> String -> ServerPart Response
+showEntry y m d i = do
+    entryJS <- liftIO $ runCouchDB' $ getDoc (db "tazblog") (doc i)
+    let entry = maybeDoc entryJS
+    ok $ tryEntry entry
+
+tryEntry :: Maybe Entry -> Response
+tryEntry Nothing = toResponse $ showError NotFound
+tryEntry (Just entry) = toResponse $ blogTemplate eLang eTitle $ renderEntry entry
+    where
+        eTitle = ": " ++ title entry
+        eLang = lang entry
+
+showIndex :: BlogLang -> ServerPart Response
+showIndex lang = do
+    entries <- getLatest lang []
+    ok $ toResponse $ blogTemplate lang "" $ renderEntries entries 6 (topText lang)
+
+showDay :: Int -> Int -> Int -> BlogLang -> ServerPart Response
+showDay y m d lang = undefined
+
+showMonth :: Int -> Int -> BlogLang -> ServerPart Response
+showMonth y m lang = do
+    entries <- getLatest lang $ makeQuery startkey endkey
+    ok $ toResponse $ blogTemplate lang month 
+        $ renderEntries entries (length entries) month
+  where
+    month = getMonth lang y  m
+    startkey = JSArray [toJSON y, toJSON m]
+    endkey = JSArray [toJSON y, toJSON m, JSObject (toJSObject [] )]
+
+showYear :: Int -> BlogLang -> ServerPart Response
+showYear y lang = undefined
+
+
+-- http://tazj.in/2012/02/10.155234
+
+-- CouchDB functions
+getLatest :: BlogLang -> [(String, JSValue)] -> ServerPart [Entry]
+getLatest lang arg = do
+        queryResult <- queryDB view arg
+        let entries = map (stripResult . fromJSON . snd) queryResult
+        return entries
+    where
+        view = case lang of
+                EN -> "latestEN"
+                DE -> "latestDE"
+
+makeQuery :: JSON a => a -> a -> [(String, JSValue)]
+makeQuery qsk qek = [("startkey", (showJSON qsk))
+                    ,("endkey", (showJSON qek))]
+
+queryDB :: JSON a => String -> [(String, JSValue)] -> ServerPart [(Doc, a)]
+queryDB view arg = liftIO $ runCouchDB' $ queryView (db "tazblog") (doc "entries") (doc view) arg
+
+maybeDoc :: Data a => Maybe (Doc, Rev, JSValue) -> Maybe a
+maybeDoc (Just(_,_,v)) = Just( stripResult $ fromJSON v)
+maybeDoc Nothing = Nothing
+
+stripResult :: Result a -> a
+stripResult (Ok z) = z
+stripResult (Error s) = error $ "JSON error: " ++ s
+
+-- CouchDB View Setup
+latestDEView = "function(doc){ if(doc.lang == 'DE'){ emit([doc.year, doc.month, doc.day, doc._id], doc); } }"
+latestENView = "function(doc){ if(doc.lang == 'EN'){ emit([doc.year, doc.month, doc.day, doc._id], doc); } }"
+countDEView  = "function(doc){ if(doc.lang == 'DE'){ emit([doc.year, doc.month, doc.day, doc._id], 1); } }"
+countENView  = "function(doc){ if(doc.lang == 'EN'){ emit([doc.year, doc.month, doc.day, doc._id], 1); } }"
+countReduce = "function(keys, values, rereduce) { return sum(values); }"
+
+latestDE = ViewMap "latestDE" latestDEView
+latestEN = ViewMap "latestEN" latestENView
+countDE  = ViewMapReduce "countDE" countDEView countReduce
+countEN  = ViewMapReduce "countEN" countENView countReduce
+
+setupBlogViews :: IO ()
+setupBlogViews = runCouchDB' $ 
+    newView "tazblog" "entries" [latestDE, latestEN, countDE, countEN]