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authorJulien Dessaux2011-09-19 00:36:40 +0200
committerJulien Dessaux2011-09-19 00:36:40 +0200
commit5e260c4fa97e22d7585f9aa98cbb922536fafd67 (patch)
tree27e484b94781c2089d96a3ea6a3213fde7d9e493 /Hsbot/Plugin
parentMade quote append slightly more readable. (diff)
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Added quote delete.
Diffstat (limited to 'Hsbot/Plugin')
-rw-r--r--Hsbot/Plugin/Quote.hs54
1 files changed, 53 insertions, 1 deletions
diff --git a/Hsbot/Plugin/Quote.hs b/Hsbot/Plugin/Quote.hs
index b74244c..baacb77 100644
--- a/Hsbot/Plugin/Quote.hs
+++ b/Hsbot/Plugin/Quote.hs
@@ -90,13 +90,18 @@ lockQuoteIdFor :: QuoteID -> IRC.UserName -> IRC.Channel -> UTCTime -> Update Qu
lockQuoteIdFor quoteId requestor channel now = get >>= \db -> put db { lockedQuotes = M.insert quoteId (requestor, now) (lockedQuotes db)
, lastActive = M.insert channel quoteId (lastActive db) }
+deleteQuote :: QuoteID -> IRC.Channel -> Update QuoteDB ()
+deleteQuote quoteId channel = get >>= \db -> put db { quoteBotDB = M.delete quoteId (quoteBotDB db)
+ , lockedQuotes = M.delete quoteId (lockedQuotes db)
+ , lastActive = M.delete channel (lastActive db) }
+
setQuote :: QuoteID -> Quote -> Update QuoteDB ()
setQuote quoteId theQuote = get >>= \db -> put db { quoteBotDB = M.insert quoteId theQuote (quoteBotDB db) }
getLastActiveQuote :: IRC.Channel -> Query QuoteDB (Maybe QuoteID)
getLastActiveQuote channel = asks lastActive >>= return . M.lookup channel
-$(makeAcidic ''QuoteDB [ 'getQuote, 'getQuoteDB, 'isQuoteLockedFor, 'lockQuoteIdFor, 'setQuote
+$(makeAcidic ''QuoteDB [ 'getQuote, 'getQuoteDB, 'isQuoteLockedFor, 'lockQuoteIdFor, 'deleteQuote, 'setQuote
, 'getLastActiveQuote ])
-- | gets a random quote from the database
@@ -133,6 +138,15 @@ theQuote = do
case lastQid of
Just qid -> quoteAppend quoteDB msg qid quotee . unwords $ quoteID : quoteTxt
Nothing -> answerMsg msg $ getSender msg ++ " : Invalid quoteID."
+ "quote":"delete":quoteID:eltID ->
+ case reads quoteID :: [(Int, String)] of
+ (qid,_):_ -> case eltID of
+ [] -> quoteDelete quoteDB msg qid
+ eltID':[] -> case reads eltID' :: [(Int, String)] of
+ (eltid,_):_ -> quoteDeleteElt quoteDB msg qid eltid
+ _ -> answerMsg msg $ getSender msg ++ ": Invalid elementID."
+ _ -> answerMsg msg $ getSender msg ++ ": Invalid elementID."
+ _ -> answerMsg msg $ getSender msg ++ " : Invalid quoteID."
"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
@@ -183,3 +197,41 @@ quoteAppend quoteDB msg quoteID quotee text = do
sender = getSender msg
channel = getChannel msg
+quoteDelete :: AcidState QuoteDB -> IRC.Message -> QuoteID -> Plugin (Env IO) ()
+quoteDelete quoteDB msg quoteID = do
+ now <- liftIO getCurrentTime
+ activeLock <- query' quoteDB (IsQuoteLockedFor quoteID sender now)
+ case activeLock of
+ Just True -> do
+ _ <- update' quoteDB (DeleteQuote quoteID channel)
+ answerMsg msg $ sender ++ ": quote " ++ show quoteID ++ "."
+ Just False -> answerMsg msg $ sender ++ ": Someone else is editing this quote right now."
+ Nothing -> answerMsg msg $ sender ++ ":quoteId not found."
+ where
+ sender = getSender msg
+ channel = getChannel msg
+
+quoteDeleteElt :: AcidState QuoteDB -> IRC.Message -> QuoteID -> Int -> Plugin (Env IO) ()
+quoteDeleteElt quoteDB msg quoteID eltID = do
+ now <- liftIO getCurrentTime
+ activeLock <- query' quoteDB (IsQuoteLockedFor quoteID sender now)
+ case activeLock of
+ Just True -> do
+ _ <- update' quoteDB (LockQuoteIdFor quoteID sender channel now)
+ mQuote <- query' quoteDB (GetQuote quoteID)
+ let newQuote = fromMaybe emptyQuote mQuote
+ newQuote' = newQuote { quotE = getRidOfEltFrom (quotE newQuote) }
+ _ <- update' quoteDB (SetQuote quoteID newQuote')
+ answerMsg msg $ sender ++ ": Appended to quote " ++ show quoteID ++ "."
+ Just False -> answerMsg msg $ sender ++ ": Someone else is editing this quote right now."
+ Nothing -> answerMsg msg $ sender ++ ":quoteId not found."
+ where
+ sender = getSender msg
+ channel = getChannel msg
+ getRidOfEltFrom :: [QuoteElt] -> [QuoteElt]
+ getRidOfEltFrom elts
+ | eltID <= 0 = elts
+ | eltID >= length elts = elts
+ | otherwise = let (l, r) = splitAt eltID elts
+ in l ++ tail r
+