21 lines
No EOL
1 KiB
Haskell
21 lines
No EOL
1 KiB
Haskell
|
|
fixComments :: AcidState Blog -> IO ()
|
|
fixComments acid = do
|
|
entriesDE <- query' acid $ LatestEntries DE
|
|
entriesEN <- query' acid $ LatestEntries EN
|
|
filterComments entriesDE
|
|
filterComments entriesEN
|
|
where
|
|
(cDate :: UTCTime) = fromJust $ parseTime defaultTimeLocale "%d.%m.%Y %T" "22.04.2012 21:57:35"
|
|
foldOp :: [(EntryId, [UTCTime])] -> Entry -> [(EntryId, [UTCTime])]
|
|
foldOp l e = let c = map cdate $ filter (\c1 -> cdate c1 > cDate) $ comments e
|
|
in if null c then l
|
|
else (entryId e, c) : l
|
|
pred :: Entry -> Bool
|
|
pred e = let f eId [] = False
|
|
f eId (c:r) = if (cdate c > cDate) then True
|
|
else f eId r
|
|
in f (entryId e) (comments e)
|
|
filterComments entries = mapM_ removeComments $ foldl foldOp [] $ filter pred entries
|
|
removeComments :: (EntryId, [UTCTime]) -> IO ()
|
|
removeComments (eId, comments) = mapM_ (\c -> update' acid $ DeleteComment eId c) comments |