Farewell the dream of plug-in system... It's way too hard to implement nicely. Many...

[Rakka.git] / Rakka / Environment.hs

diff --git a/Rakka/Environment.hs b/Rakka/Environment.hs
index d68892b61590336f7e78c22f6dc5836cb35a5f63..48105b4a6d2b840e43e2b87bb7ddedf51c2d4f4b 100644 (file)
--- a/Rakka/Environment.hs
+++ b/Rakka/Environment.hs
@@ -2,13 +2,9 @@ module Rakka.Environment
     ( Environment(..)
     , InterpTable
     , setupEnv
-    , getInterpTable
-    , getInterpTableA
     )
     where
 
-import           Control.Arrow.ArrowIO
-import           Data.IORef
 import           Data.Map (Map)
 import qualified Data.Map as M
 import           Network
@@ -16,15 +12,24 @@ import qualified Network.HTTP.Lucu.Config as LC
 import           Rakka.Storage
 import           Rakka.SystemConfig
 import           Rakka.Wiki.Interpreter
-import           Rakka.Wiki.Interpreter.Base
+import qualified Rakka.Wiki.Interpreter.Base    as Base
+import qualified Rakka.Wiki.Interpreter.Image   as Image
+import qualified Rakka.Wiki.Interpreter.Outline as Outline
+import           Subversion.Repository
+import           System.Directory
+import           System.FilePath
+import           System.Log.Logger
+
+logger = "Rakka.Environment"
 
 
 data Environment = Environment {
       envLocalStateDir :: !FilePath
     , envLucuConf      :: !LC.Config
+    , envRepository    :: !Repository
     , envStorage       :: !Storage
     , envSysConf       :: !SystemConfig
-    , envInterpTable   :: !(IORef InterpTable)
+    , envInterpTable   :: !InterpTable
     }
 
 
@@ -33,32 +38,40 @@ type InterpTable = Map String Interpreter
 
 setupEnv :: FilePath -> PortNumber -> IO Environment
 setupEnv lsdir portNum
-    = do let lucuConf = LC.defaultConfig {
-                          LC.cnfServerPort = PortNumber portNum
-                        }
-             storage  = mkStorage
-             sysConf  = mkSystemConfig lucuConf
-         interpTable <- mkInterpTable
+    = do let lucuConf    = LC.defaultConfig {
+                             LC.cnfServerPort = PortNumber portNum
+                           }
+             reposPath   = lsdir `combine` "repos"
+             storage     = mkStorage
+             interpTable = mkInterpTable
+         
+         reposExist  <- doesDirectoryExist reposPath
+         repos       <- if reposExist then
+                            do debugM logger ("Found a subversion repository on " ++ reposPath)
+                               openRepository reposPath
+                        else
+                            do noticeM logger ("Creating a subversion repository on " ++ reposPath)
+                               createRepository reposPath [] []
+         sysConf     <- mkSystemConfig lucuConf repos
+         
+
          return $ Environment {
                       envLocalStateDir = lsdir
                     , envLucuConf      = lucuConf
+                    , envRepository    = repos
                     , envStorage       = storage
                     , envSysConf       = sysConf
                     , envInterpTable   = interpTable
                     }
 
 
-mkInterpTable :: IO (IORef InterpTable)
-mkInterpTable = newIORef (listToTable baseInterpreters)
+mkInterpTable :: InterpTable
+mkInterpTable = listToTable $
+                foldl (++) [] [ Base.interpreters
+                              , Image.interpreters
+                              , Outline.interpreters
+                              ]
     where
       listToTable :: [Interpreter] -> InterpTable
       listToTable xs
           = M.fromList [ (commandName x, x) | x <- xs ]
-
-
-getInterpTable :: Environment -> IO InterpTable
-getInterpTable = readIORef . envInterpTable
-
-
-getInterpTableA :: ArrowIO a => Environment -> a b InterpTable
-getInterpTableA = arrIO0 . getInterpTable