76 lines
2.9 KiB
Haskell
76 lines
2.9 KiB
Haskell
-- -- | Handle a post from the journal edit form.
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-- handleEdit :: Handler Html
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-- handleEdit = do
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-- VD{..} <- getViewData
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-- -- get form input values, or validation errors.
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-- -- getRequest >>= liftIO (reqRequestBody req) >>= mtrace
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-- mtext <- lookupPostParam "text"
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-- mtrace "--------------------------"
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-- mtrace (journalFilePaths j)
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-- mjournalpath <- lookupPostParam "journal"
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-- let etext = maybe (Left "No value provided") (Right . unpack) mtext
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-- ejournalpath = maybe
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-- (Right $ journalFilePath j)
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-- (\f -> let f' = unpack f in
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-- if f' `elem` dbg0 "paths2" (journalFilePaths j)
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-- then Right f'
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-- else Left ("unrecognised journal file path"::String))
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-- mjournalpath
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-- estrs = [etext, ejournalpath]
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-- errs = lefts estrs
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-- [text,journalpath] = rights estrs
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-- -- display errors or perform edit
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-- if not $ null errs
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-- then do
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-- setMessage $ toHtml (intercalate "; " errs :: String)
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-- redirect JournalR
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-- -- | Handle a post from the journal edit form.
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-- handleEdit :: Handler Html
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-- handleEdit = do
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-- VD{..} <- getViewData
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-- -- get form input values, or validation errors.
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-- -- getRequest >>= liftIO (reqRequestBody req) >>= mtrace
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-- mtext <- lookupPostParam "text"
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-- mjournalpath <- lookupPostParam "journal"
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-- let etext = maybe (Left "No value provided") (Right . unpack) mtext
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-- ejournalpath = maybe
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-- (Right $ journalFilePath j)
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-- (\f -> let f' = unpack f in
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-- if f' `elem` journalFilePaths j
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-- then Right f'
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-- else Left ("unrecognised journal file path"::String))
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-- mjournalpath
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-- estrs = [etext, ejournalpath]
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-- errs = lefts estrs
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-- [text,journalpath] = rights estrs
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-- -- display errors or perform edit
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-- if not $ null errs
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-- then do
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-- setMessage $ toHtml (intercalate "; " errs :: String)
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-- redirect JournalR
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-- else do
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-- -- try to avoid unnecessary backups or saving invalid data
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-- filechanged' <- liftIO $ journalSpecifiedFileIsNewer j journalpath
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-- told <- liftIO $ readFileStrictly journalpath
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-- let tnew = filter (/= '\r') text
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-- changed = tnew /= told || filechanged'
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-- if not changed
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-- then do
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-- setMessage "No change"
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-- redirect JournalR
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-- else do
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-- jE <- liftIO $ readJournal def (Just journalpath) tnew
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-- either
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-- (\e -> do
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-- setMessage $ toHtml e
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-- redirect JournalR)
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-- (const $ do
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-- liftIO $ writeFileWithBackup journalpath tnew
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-- setMessage $ toHtml (printf "Saved journal %s\n" (show journalpath) :: String)
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-- redirect JournalR)
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-- jE
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