( findAllPagesInRevision
, findChangedPagesAtRevision
, loadPageInRepository
+ , putPageIntoRepository
+ , deletePageFromRepository
)
where
+import Codec.Binary.UTF8.String
+import Control.Exception
import Control.Monad
import Data.List
import qualified Data.Map as M
import Rakka.SystemConfig
import Rakka.Utils
import Rakka.W3CDateTime
-import Subversion.Types
+import Subversion.Error
import Subversion.FileSystem
import Subversion.FileSystem.DirEntry
import Subversion.FileSystem.Revision
import Subversion.FileSystem.Root
+import Subversion.FileSystem.Transaction
import Subversion.Repository
+import Subversion.Types
import System.FilePath.Posix
+mkPagePath :: PageName -> FilePath
+mkPagePath name
+ = "/pages" </> encodePageName name <.> "page"
+
+
findAllPagesInRevision :: Repository -> RevNum -> IO (Set PageName)
findAllPagesInRevision repos rev
= do fs <- getRepositoryFS repos
-> return Nothing
where
path :: FilePath
- path = "pages" </> encodePageName name <.> "page"
+ path = mkPagePath name
loadPage' :: Rev Page
- loadPage' = do redirect <- getNodeProp path "rakka:redirect"
- case redirect of
- Nothing
- -> loadPageEntity
- Just _
+ loadPage' = do mType <- liftM (fmap (read . chomp)) (getNodeProp path "svn:mime-type")
+ case mType of
+ Just (MIMEType "application" "x-rakka-redirection" _)
-> loadPageRedirect
+ _
+ -> loadPageEntity
loadPageEntity :: Rev Page
loadPageEntity
>>= return . fromJust . parseW3CDateTime . chomp . fromJust
return Entity {
- pageName = name
- , pageType = mimeType
- , pageLanguage = fmap chomp (lookup "rakka:lang" props)
- , pageFileName = fmap chomp (lookup "rakka:fileName" props)
- , pageIsTheme = any ((== "rakka:isTheme") . fst) props
- , pageIsFeed = any ((== "rakka:isFeed") . fst) props
- , pageIsLocked = any ((== "rakka:isLocked") . fst) props
- , pageIsBoring = any ((== "rakka:isBoring") . fst) props
- , pageIsBinary = case mimeType of
- MIMEType "text" _ _
- -> any ((== "rakka:isBinary") . fst) props
- _
- -> True
- , pageRevision = pageRev
- , pageLastMod = zonedTimeToUTC lastMod
- , pageSummary = lookup "rakka:summary" props
- , pageOtherLang = fromMaybe M.empty
- $ fmap
- (M.fromList . fromJust . deserializeStringPairs)
- (lookup "rakka:otherLang" props)
- , pageContent = content
+ entityName = name
+ , entityType = mimeType
+ , entityLanguage = fmap chomp (lookup "rakka:lang" props)
+ , entityIsTheme = any ((== "rakka:isTheme") . fst) props
+ , entityIsFeed = any ((== "rakka:isFeed") . fst) props
+ , entityIsLocked = any ((== "rakka:isLocked") . fst) props
+ , entityIsBinary = case mimeType of
+ MIMEType "text" _ _
+ -> any ((== "rakka:isBinary") . fst) props
+ _
+ -> True
+ , entityRevision = pageRev
+ , entityLastMod = zonedTimeToUTC lastMod
+ , entitySummary = lookup "rakka:summary" props
+ , entityOtherLang = fromMaybe M.empty
+ $ fmap
+ (M.fromList . fromJust . deserializeStringPairs)
+ (lookup "rakka:otherLang" props)
+ , entityContent = content
+ , entityUpdateInfo = undefined
}
loadPageRedirect :: Rev Page
- loadPageRedirect = fail "FIXME: loadPageRedirect: not implemented"
+ loadPageRedirect
+ = do hist <- getNodeHistory True path
+ content <- getFileContents path
+
+ let pageRev = fst $ head hist
+ dest = chomp $ decodeString content
+
+ lastMod <- getRevisionProp "svn:date"
+ >>= return . fromJust . parseW3CDateTime . chomp . fromJust
+
+ return Redirection {
+ redirName = name
+ , redirDest = dest
+ , redirRevision = pageRev
+ , redirLastMod = zonedTimeToUTC lastMod
+ , redirUpdateInfo = undefined
+ }
+
+
+putPageIntoRepository :: Repository -> Page -> IO StatusCode
+putPageIntoRepository repos page
+ = filterSvnError $
+ do let name = pageName page
+ ret <- case pageUpdateInfo page of
+ Just ui
+ -> doReposTxn
+ repos
+ (uiOldRevision ui)
+ "[Rakka]"
+ (Just "Automatic commit by Rakka for page update")
+ $ do case uiOldName ui of
+ Nothing -> return ()
+ Just oldName -> renamePage (uiOldRevision ui) oldName name
+ updatePage name
+ Nothing
+ -> do fs <- getRepositoryFS repos
+ rev <- getYoungestRev fs
+ doReposTxn repos
+ rev
+ "[Rakka]"
+ (Just "Automatic commit by Rakka for page creation")
+ $ do createPage name
+ updatePage name
+ case ret of
+ Left _ -> return Conflict
+ Right _ -> return Created
+ where
+ renamePage :: RevNum -> PageName -> PageName -> Txn ()
+ renamePage oldRev oldName newName
+ = do let oldPath = mkPagePath oldName
+ newPath = mkPagePath newName
+ createParentDirectories newPath
+ copyEntry oldRev oldPath newPath
+ deleteEntry oldPath
+ deleteEmptyParentDirectories oldPath
+
+ createPage :: PageName -> Txn ()
+ createPage name
+ = do let path = mkPagePath name
+ createParentDirectories path
+ makeFile path
+
+ updatePage :: PageName -> Txn ()
+ updatePage name
+ | isRedirect page = updatePageRedirect name
+ | isEntity page = updatePageEntity name
+ | otherwise = fail "neither redirection nor page"
+
+ updatePageRedirect :: PageName -> Txn ()
+ updatePageRedirect name
+ = do let path = mkPagePath name
+ setNodeProp path "svn:mime-type" (Just "application/x-rakka-redirection")
+ setNodeProp path "rakka:lang" Nothing
+ setNodeProp path "rakka:isTheme" Nothing
+ setNodeProp path "rakka:isFeed" Nothing
+ setNodeProp path "rakka:isLocked" Nothing
+ setNodeProp path "rakka:isBinary" Nothing
+ setNodeProp path "rakka:summary" Nothing
+ setNodeProp path "rakka:otherLang" Nothing
+ applyText path Nothing (encodeString (redirDest page) ++ "\n")
+
+ updatePageEntity :: PageName -> Txn ()
+ updatePageEntity name
+ = do let path = mkPagePath name
+ setNodeProp path "svn:mime-type" ((Just . show . entityType) page)
+ setNodeProp path "rakka:lang" (entityLanguage page)
+ setNodeProp path "rakka:isTheme" (encodeFlag $ entityIsTheme page)
+ setNodeProp path "rakka:isFeed" (encodeFlag $ entityIsFeed page)
+ setNodeProp path "rakka:isLocked" (encodeFlag $ entityIsLocked page)
+ setNodeProp path "rakka:isBinary" (encodeFlag $ entityIsBinary page)
+ setNodeProp path "rakka:summary" (entitySummary page)
+ setNodeProp path "rakka:otherLang" (let otherLang = entityOtherLang page
+ in
+ if M.null otherLang then
+ Nothing
+ else
+ Just (serializeStringPairs $ M.toList otherLang))
+ applyTextLBS path Nothing (entityContent page)
+
+ encodeFlag :: Bool -> Maybe String
+ encodeFlag True = Just "*"
+ encodeFlag False = Nothing
+
+
+createParentDirectories :: FilePath -> Txn ()
+createParentDirectories path
+ = do let parentPath = takeDirectory path
+ kind <- checkPath parentPath
+ case kind of
+ NoNode -> do createParentDirectories parentPath
+ makeDirectory parentPath
+ FileNode -> fail ("createParentDirectories: already exists a file: " ++ parentPath)
+ DirNode -> return ()
+
+
+deletePageFromRepository :: Repository -> PageName -> IO StatusCode
+deletePageFromRepository repos name
+ = filterSvnError $
+ do let path = mkPagePath name
+ fs <- getRepositoryFS repos
+ rev <- getYoungestRev fs
+ exists <- withRevision fs rev $ isFile path
+ if exists then
+ do doReposTxn repos
+ rev
+ "[Rakka]"
+ (Just "Automatic commit by Rakka for page deleting")
+ $ do deleteEntry path
+ deleteEmptyParentDirectories path
+ return NoContent
+ else
+ return NotFound
+
+
+deleteEmptyParentDirectories :: FilePath -> Txn ()
+deleteEmptyParentDirectories path
+ = do let parentPath = takeDirectory path
+ contents <- getDirEntries parentPath
+ when (null contents)
+ $ do deleteEntry parentPath
+ deleteEmptyParentDirectories parentPath
+
+
+filterSvnError :: IO a -> IO a
+filterSvnError f = catchDyn f rethrow
+ where
+ rethrow :: SvnError -> IO a
+ rethrow err
+ = let code = svnErrCode err
+ msg = svnErrMsg err
+ in
+ fail $ "SvnError: " ++ (show code) ++ ": " ++ msg
projects / Rakka.git / blobdiff