module Rakka.Storage.Repos
( findAllPagesInRevision
+ , getDirContentsInRevision
, findChangedPagesAtRevision
, loadPageInRepository
, putPageIntoRepository
, deletePageFromRepository
+ , loadAttachmentInRepository
+ , putAttachmentIntoRepository
)
where
import Codec.Binary.UTF8.String
-import Control.Exception
import Control.Monad
import Data.List
import qualified Data.Map as M
import qualified Data.Set as S hiding (Set)
import Data.Time
import Network.HTTP.Lucu hiding (redirect)
+import Rakka.Attachment
import Rakka.Page
import Rakka.SystemConfig
import Rakka.Utils
import Rakka.W3CDateTime
-import Subversion.Error
import Subversion.FileSystem
import Subversion.FileSystem.DirEntry
import Subversion.FileSystem.Revision
= "/pages" </> encodePageName name <.> "page"
+mkDirPath :: PageName -> FilePath
+mkDirPath dir
+ = "/pages" </> encodePageName dir
+
+
+mkAttachmentPath :: PageName -> String -> FilePath
+mkAttachmentPath pName aName
+ = "/attachments" </> encodePageName pName <.> "page" </> aName
+
+
+mkAttachmentDirPath :: PageName -> FilePath
+mkAttachmentDirPath pName
+ = "/attachments" </> encodePageName pName <.> "page"
+
+
findAllPagesInRevision :: Repository -> RevNum -> IO (Set PageName)
findAllPagesInRevision repos rev
= do fs <- getRepositoryFS repos
traverse :: FilePath -> Rev (Set PageName)
traverse dir
- = getDirEntries dir >>= mapM (traverse' dir) >>= return . S.unions
+ = liftM S.unions (getDirEntries dir >>= mapM (traverse' dir))
traverse' :: FilePath -> DirEntry -> Rev (Set PageName)
traverse' dir entry
decodePath = decodePageName . makeRelative root . dropExtension
+getDirContentsInRevision :: Repository -> PageName -> Maybe RevNum -> IO (Set PageName)
+getDirContentsInRevision repos dir rev
+ = do fs <- getRepositoryFS repos
+ rev' <- case rev of
+ Nothing -> getYoungestRev fs
+ Just r -> return r
+ withRevision fs rev'
+ $ do exists <- isDirectory path
+ if exists then
+ return . S.fromList =<< getDir'
+ else
+ return S.empty
+ where
+ path :: FilePath
+ path = mkDirPath dir
+
+ getDir' :: Rev [PageName]
+ getDir' = liftM (map entToName) (getDirEntries path)
+
+ entToName :: DirEntry -> PageName
+ entToName = (dir </>) . decodePageName . dropExtension . entName
+
+
findChangedPagesAtRevision :: Repository -> RevNum -> IO (Set PageName)
findChangedPagesAtRevision repos rev
= do fs <- getRepositoryFS repos
withRevision fs rev
- $ getPathsChanged >>= return . foldl accumulatePages S.empty . map fst
+ $ liftM (foldl accumulatePages S.empty . map fst) getPathsChanged
where
accumulatePages :: Set PageName -> FilePath -> Set PageName
accumulatePages s path
Just r -> return r
withRevision fs rev'
$ do exists <- isFile path
- case exists of
- True
- -> return . Just =<< loadPage'
- False
- -> return Nothing
+ if exists then
+ return . Just =<< loadPage' fs
+ else
+ return Nothing
where
path :: FilePath
path = mkPagePath name
- loadPage' :: Rev Page
- 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
+ loadPage' :: FileSystem -> Rev Page
+ loadPage' fs
+ = do mType <- liftM (fmap (read . chomp)) (getNodeProp path "svn:mime-type")
+ case mType of
+ Just (MIMEType "application" "x-rakka-redirection" _)
+ -> loadPageRedirect fs
+ _
+ -> loadPageEntity fs
+
+ loadPageEntity :: FileSystem -> Rev Page
+ loadPageEntity fs
= do props <- getNodePropList path
hist <- getNodeHistory True path
content <- getFileContentsLBS path
$ fromMaybe "text/x-rakka"
$ fmap chomp (lookup "svn:mime-type" props)
- lastMod <- getRevisionProp "svn:date"
- >>= return . fromJust . parseW3CDateTime . chomp . fromJust
+ lastMod <- unsafeIOToFS $
+ liftM (fromJust . parseW3CDateTime . chomp . fromJust)
+ (getRevisionProp' fs pageRev "svn:date")
return Entity {
entityName = name
-> True
, entityRevision = pageRev
, entityLastMod = zonedTimeToUTC lastMod
- , entitySummary = lookup "rakka:summary" props
+ , entitySummary = fmap decodeString (lookup "rakka:summary" props)
, entityOtherLang = fromMaybe M.empty
$ fmap
- (M.fromList . fromJust . deserializeStringPairs)
+ (M.fromList . fromJust . deserializeStringPairs . decodeString)
(lookup "rakka:otherLang" props)
, entityContent = content
, entityUpdateInfo = undefined
}
- loadPageRedirect :: Rev Page
- loadPageRedirect
+ loadPageRedirect :: FileSystem -> Rev Page
+ loadPageRedirect fs
= 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
+ lastMod <- unsafeIOToFS $
+ liftM (fromJust . parseW3CDateTime . chomp . fromJust)
+ (getRevisionProp' fs pageRev "svn:date")
+
+ isLocked <- liftM isJust (getNodeProp path "rakka:isLocked")
return Redirection {
redirName = name
, redirDest = dest
+ , redirIsLocked = isLocked
, redirRevision = pageRev
, redirLastMod = zonedTimeToUTC lastMod
, redirUpdateInfo = undefined
putPageIntoRepository :: Repository -> Maybe String -> Page -> IO StatusCode
putPageIntoRepository repos userID page
- = filterSvnError $
- do let name = pageName page
+ = do let name = pageName page
author = fromMaybe "[Rakka]" userID
case pageUpdateInfo page of
Just ui
if denied then
return Forbidden
else
- do ret <- doReposTxn
+ do rev <- if oldRev == 0 then
+ getRepositoryFS repos >>= getYoungestRev
+ else
+ return oldRev
+ ret <- doReposTxn
repos
- (uiOldRevision ui)
+ rev
author
(Just "Automatic commit by Rakka for page update")
- $ do case uiOldName ui of
+ $ do
+ case uiOldName ui of
Nothing -> return ()
- Just oldName -> renamePage (uiOldRevision ui) oldName name
+ Just oldName -> do exists <- isFile (mkPagePath oldName)
+ when exists
+ $ do movePage (uiOldRevision ui) oldName name
+ moveAttachments (uiOldRevision ui) oldName name
+ exists <- isFile (mkPagePath name)
+ unless exists
+ $ createPage name
updatePage name
case ret of
Left _ -> return Conflict
checkDenial rev name
= do fs <- getRepositoryFS repos
withRevision fs rev
- $ do prop <- getNodeProp (mkPagePath name) "rakka:isLocked"
- case prop of
- Just _ -> return (isNothing userID) -- 施錠されてゐるので匿名では駄目
- Nothing -> return False
+ $ do exists <- isFile (mkPagePath name)
+ if exists then
+ do prop <- getNodeProp (mkPagePath name) "rakka:isLocked"
+ case prop of
+ Just _ -> return (isNothing userID) -- 施錠されてゐるので匿名では駄目
+ Nothing -> return False
+ else
+ return False -- FIXME: 本當は defaultPage の locked 屬性をどうのこうの…
- renamePage :: RevNum -> PageName -> PageName -> Txn ()
- renamePage oldRev oldName newName
+ movePage :: RevNum -> PageName -> PageName -> Txn ()
+ movePage oldRev oldName newName
= do let oldPath = mkPagePath oldName
newPath = mkPagePath newName
createParentDirectories newPath
deleteEntry oldPath
deleteEmptyParentDirectories oldPath
+ moveAttachments :: RevNum -> PageName -> PageName -> Txn ()
+ moveAttachments oldRev oldName newName
+ = do let oldPath = mkAttachmentDirPath oldName
+ newPath = mkAttachmentDirPath newName
+ createParentDirectories newPath
+ copyEntry oldRev oldPath newPath
+ deleteEntry oldPath
+ deleteEmptyParentDirectories oldPath
+
createPage :: PageName -> Txn ()
createPage name
= do let path = mkPagePath name
setNodeProp path "rakka:lang" Nothing
setNodeProp path "rakka:isTheme" Nothing
setNodeProp path "rakka:isFeed" Nothing
- setNodeProp path "rakka:isLocked" Nothing
+ setNodeProp path "rakka:isLocked" (encodeFlag $ redirIsLocked page)
setNodeProp path "rakka:isBinary" Nothing
setNodeProp path "rakka:summary" Nothing
setNodeProp path "rakka:otherLang" Nothing
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:summary" (fmap encodeString $ entitySummary page)
setNodeProp path "rakka:otherLang" (let otherLang = entityOtherLang page
in
if M.null otherLang then
Nothing
else
- Just (serializeStringPairs $ M.toList otherLang))
+ Just (encodeString $ serializeStringPairs $ M.toList otherLang))
applyTextLBS path Nothing (entityContent page)
encodeFlag :: Bool -> Maybe String
deletePageFromRepository :: Repository -> Maybe String -> PageName -> IO StatusCode
deletePageFromRepository repos userID name
- = filterSvnError $
- do let path = mkPagePath name
+ = do let pagePath = mkPagePath name
+ attachmentPath = mkAttachmentDirPath name
fs <- getRepositoryFS repos
rev <- getYoungestRev fs
status <- withRevision fs rev
- $ do exists <- isFile path
+ $ do exists <- isFile pagePath
if exists then
- do prop <- getNodeProp path "rakka:isLocked"
+ do prop <- getNodeProp pagePath "rakka:isLocked"
return $ case prop of
Just _
-> if isNothing userID then
rev
"[Rakka]"
(Just "Automatic commit by Rakka for page deleting")
- $ do deleteEntry path
- deleteEmptyParentDirectories path
+ $ do deleteEntry pagePath
+ deleteEmptyParentDirectories pagePath
+
+ attachmentExists <- isDirectory attachmentPath
+ when attachmentExists
+ $ do deleteEntry attachmentPath
+ deleteEmptyParentDirectories attachmentPath
return ()
return status
deleteEmptyParentDirectories parentPath
-filterSvnError :: IO a -> IO a
-filterSvnError f = catchDyn f rethrow
+loadAttachmentInRepository :: forall a. Attachment a =>
+ Repository
+ -> PageName
+ -> String
+ -> Maybe RevNum
+ -> IO (Maybe a)
+loadAttachmentInRepository repos pName aName rev
+ = do fs <- getRepositoryFS repos
+ rev' <- case rev of
+ Nothing -> getYoungestRev fs
+ Just r -> return r
+ withRevision fs rev'
+ $ do exists <- isFile path
+ if exists then
+ return . Just =<< loadAttachment'
+ else
+ return Nothing
where
- rethrow :: SvnError -> IO a
- rethrow err
- = let code = svnErrCode err
- msg = svnErrMsg err
- in
- fail $ "SvnError: " ++ (show code) ++ ": " ++ msg
+ path :: FilePath
+ path = mkAttachmentPath pName aName
+
+ loadAttachment' :: Rev a
+ loadAttachment' = liftM (deserializeFromString . decodeString) (getFileContents path)
+
+
+putAttachmentIntoRepository :: Attachment a =>
+ Repository
+ -> Maybe String
+ -> Maybe RevNum
+ -> PageName
+ -> String
+ -> a
+ -> IO StatusCode
+putAttachmentIntoRepository repos userID oldRev pName aName attachment
+ = do let author = fromMaybe "[Rakka]" userID
+ path = mkAttachmentPath pName aName
+ fs <- getRepositoryFS repos
+ oldRev' <- case oldRev of
+ Nothing -> getYoungestRev fs
+ Just r -> return r
+ ret <- doReposTxn
+ repos
+ oldRev'
+ author
+ (Just "Automatic commit by Rakka for putting attachment")
+ $ do exists <- isFile path
+ unless exists
+ $ do createParentDirectories path
+ makeFile path
+ applyText path Nothing (serializeToString attachment)
+ case ret of
+ Left _ -> return Conflict
+ Right _ -> return NoContent
projects / Rakka.git / blobdiff