X-Git-Url: https://ruin.nu/git/?p=yawbih.git;a=blobdiff_plain;f=Wiki.hs;h=7d337c9f679b3b14ce01e1bf6716864a3390fb6d;hp=337d715eb9160b83cd94e2fa2549de67e09fd6da;hb=cfd9357931f136f52df2becd0af605111e102234;hpb=411547157fb221f10c8620e2a92efe8e5219e82d diff --git a/Wiki.hs b/Wiki.hs index 337d715..7d337c9 100644 --- a/Wiki.hs +++ b/Wiki.hs @@ -20,7 +20,7 @@ class Backend a where getList :: a -> String -> IO [(String, String, String, String)] --Keyword -> id -> Full text - get :: a -> String -> String -> IO String + get :: a -> String -> String -> IO (Maybe String) --Keyword -> id -> () setCurrent :: a -> String -> String -> IO Bool @@ -100,7 +100,11 @@ instance Backend PGB where list <- selectReturnTuples db $ "SELECT id, timestamp, author, comment from fulltexts WHERE keyword = "++tov key return $ map (\[id,date,author,comment] -> (id,date,author,comment)) list - get (PGB db) key id = return "" + get (PGB db) key id = do + list <- selectReturnTuples db $ "SELECT fulltext from fulltexts WHERE id = "++tov id + case list of + [s]:_ -> return (Just s) + _ -> return Nothing setCurrent (PGB db) key id = do full <- selectReturnTuples db $ "SELECT keyword FROM fulltexts WHERE keyword="++tov key++" AND id='"++id++"'"