Exodus to GHC 6.8.1

[Rakka.git] / Rakka / Resource / Object.hs

diff --git a/Rakka/Resource/Object.hs b/Rakka/Resource/Object.hs
index 9e30d1eee78d919f8094c10ab02adb886c78b0c4..cd2c36463d93f8975db6bf9e9dee26b70ffdb62f 100644 (file)
--- a/Rakka/Resource/Object.hs
+++ b/Rakka/Resource/Object.hs
@@ -1,22 +1,72 @@
+-- -*- Coding: utf-8 -*-
 module Rakka.Resource.Object
     ( resObject
     )
     where
 
+import           Data.ByteString.Char8 as C8
+import           Data.Maybe
 import           Network.HTTP.Lucu
+import           Network.HTTP.Lucu.Utils
 import           Rakka.Environment
+import           Rakka.Page
+import           Rakka.Storage
+import           Rakka.SystemConfig
 
 
 resObject :: Environment -> ResourceDef
 resObject env
     = ResourceDef {
         resUsesNativeThread = False
-      , resIsGreedy         = False
-      , resGet              = Just $ do setContentType $ read "text/plain"
-                                        output "FIXME: not implemented"
+      , resIsGreedy         = True
+      , resGet              = Just $ getPathInfo >>= handleGet env . toPageName
       , resHead             = Nothing
       , resPost             = Nothing
       , resPut              = Nothing
       , resDelete           = Nothing
       }
+    where
+      toPageName :: [String] -> PageName
+      toPageName = decodePageName . joinWith "/" 
+
+
+handleGet :: Environment -> PageName -> Resource ()
+handleGet env name
+    = do pageM <- getPage (envStorage env) name Nothing
+         case pageM of
+           Nothing
+               -> foundNoEntity Nothing
+
+           Just redir@(Redirection _ _ _ _)
+               -> handleRedirect env redir
+
+           Just entity@(Entity _ _ _ _ _ _ _ _ _ _ _ _ _ _)
+               -> handleGetEntity entity
+
+
+{-
+  HTTP/1.1 302 Found
+  Location: http://example.org/object/Destination
+-}
+handleRedirect :: Environment -> Page -> Resource ()
+handleRedirect env redir
+    = do BaseURI baseURI <- getSysConf (envSysConf env)
+         redirect Found (mkObjectURI baseURI $ redirName redir)
+
+
+{-
+  HTTP/1.1 200 OK
+  Content-Type: image/png
+  
+  ...
+-}
+handleGetEntity :: Page -> Resource ()
+handleGetEntity page
+    = do case pageRevision page of
+           0   -> foundTimeStamp (pageLastMod page) -- 0 はデフォルトページ
+           rev -> foundEntity (strongETag $ show rev) (pageLastMod page)
 
+         setContentType (pageType page)
+         setHeader (C8.pack "Content-Disposition")
+                       (C8.pack $ "attachment; filename=" ++ quoteStr (pageFileName' page))
+         outputLBS (pageContent page)