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-rw-r--r--Hsbot/Plugin/Quote.hs48
1 files changed, 39 insertions, 9 deletions
diff --git a/Hsbot/Plugin/Quote.hs b/Hsbot/Plugin/Quote.hs
index ddc9789..19c7d6d 100644
--- a/Hsbot/Plugin/Quote.hs
+++ b/Hsbot/Plugin/Quote.hs
@@ -9,6 +9,7 @@ import Control.Monad.Reader
import Control.Monad.State
import Data.Acid
import qualified Data.Map as M
+import Data.Maybe
import Data.SafeCopy
import Data.Time
import Data.Time.Clock.POSIX
@@ -49,7 +50,7 @@ data QuoteDB = QuoteDB
{ nextQuoteId :: QuoteID
, quoteBotDB :: M.Map QuoteID Quote
, lockedQuotes :: M.Map QuoteID (IRC.UserName, UTCTime)
- , lastActive :: M.Map IRC.Channel (QuoteID, UTCTime)
+ , lastActive :: M.Map IRC.Channel QuoteID
} deriving (Show, Typeable)
emptyQuoteDB :: QuoteDB
@@ -71,24 +72,30 @@ getQuoteDB = asks quoteBotDB
-- TODO : a function for cleaning locks
-isQuoteLockedFor :: QuoteID -> IRC.UserName -> UTCTime -> Query QuoteDB (Either String Bool)
+isQuoteLockedFor :: QuoteID -> IRC.UserName -> UTCTime -> Query QuoteDB (Maybe Bool)
isQuoteLockedFor quoteId requestor now = do
theQuote <- fmap (M.lookup quoteId) (asks quoteBotDB)
case theQuote of
- Just quote -> do
+ Just _ -> do
currentLock <- fmap (M.lookup quoteId) (asks lockedQuotes)
case currentLock of
Just (owner, lockStamp) ->
if owner == requestor
- then return $ Right True
- else return . Right $ (addUTCTime 300 lockStamp > now) -- Is the entry older than 5 min?
- Nothing -> return $ Right True
- Nothing -> return $ Left "QuoteId not found"
+ then return $ Just True
+ else return . Just $ (addUTCTime 300 lockStamp > now) -- Is the entry older than 5 min?
+ Nothing -> return $ Just True
+ Nothing -> return Nothing
lockQuoteIdFor :: QuoteID -> IRC.UserName -> UTCTime -> Update QuoteDB ()
lockQuoteIdFor quoteId requestor now = get >>= \db -> put db { lockedQuotes = M.insert quoteId (requestor, now) (lockedQuotes db) }
-$(makeAcidic ''QuoteDB ['getQuote, 'getQuoteDB, 'isQuoteLockedFor, 'lockQuoteIdFor])
+setQuote :: QuoteID -> Quote -> Update QuoteDB ()
+setQuote quoteId theQuote = get >>= \db -> put db { quoteBotDB = M.insert quoteId theQuote (quoteBotDB db) }
+
+setLastActiveQuote :: QuoteID -> IRC.Channel -> Update QuoteDB ()
+setLastActiveQuote quoteId channel = get >>= \db -> put db { lastActive = M.insert channel quoteId (lastActive db)}
+
+$(makeAcidic ''QuoteDB ['getQuote, 'getQuoteDB, 'isQuoteLockedFor, 'lockQuoteIdFor, 'setLastActiveQuote, 'setQuote])
-- | gets a random quote from the database
getRandomQuote :: AcidState QuoteDB -> IO (Maybe Quote)
@@ -116,7 +123,12 @@ theQuote = do
| IRC.msg_command msg == "PRIVMSG" = do
cmdArgs <- lift $ getCommand msg
case cmdArgs of
- "quote":"help":"append":_ -> answerMsg msg "quote append QUOTEID QUOTEE QUOTE"
+ "quote":"append":quoteID:quotee:quoteTxt ->
+ case reads quoteID :: [(Int, String)] of
+ (qid,_):_ -> quoteAppend quoteDB msg qid quotee $ unwords quoteTxt
+ _ -> answerMsg msg "Invalid quoteID." -- TODO : try with the last active one
+ "quote":"help":"append":_ -> answerMsg msg $ "quote append [QUOTEID] QUOTEE QUOTE"
+ ++ "If no QUOTEID is provided, tries to append to the last active quote."
"quote":"help":"delete":_ -> do
answerMsg msg "quote delete QUOTEID [ELTID] :"
answerMsg msg $ " If an ELTID is provided, deletes the ELTID's line (starting from zero) "
@@ -147,3 +159,21 @@ theQuote = do
| otherwise = return ()
eval _ _ = return ()
+quoteAppend :: AcidState QuoteDB -> IRC.Message -> QuoteID -> IRC.UserName -> String -> Plugin (Env IO) ()
+quoteAppend quoteDB msg quoteID quotee text = do
+ now <- liftIO getCurrentTime
+ activeLock <- query' quoteDB (IsQuoteLockedFor quoteID sender now)
+ case activeLock of
+ Just True -> do
+ _ <- update' quoteDB (LockQuoteIdFor quoteID sender now)
+ mQuote <- query' quoteDB (GetQuote quoteID)
+ let newQuote = fromMaybe emptyQuote mQuote
+ newQuote' = newQuote { quotE = quotE newQuote ++ [ QuoteElt { eltQuotee = quotee, eltQuote = text } ] }
+ _ <- update' quoteDB (SetQuote quoteID newQuote')
+ _ <- update' quoteDB (SetLastActiveQuote quoteID (getChannel msg))
+ return ()
+ Just False -> answerMsg msg $ sender ++ ": Someone else is editing this quote right now."
+ Nothing -> answerMsg msg $ sender ++ ":quoteId not found."
+ where
+ sender = getSender msg
+