cf6c8799ab
I'm not resetting the failed LoginAttempt count, which is a low priority for now, but necessary eventually.
29 lines
1.2 KiB
Haskell
29 lines
1.2 KiB
Haskell
{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE RecordWildCards #-}
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--------------------------------------------------------------------------------
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module LoginAttempts where
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--------------------------------------------------------------------------------
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import Database.SQLite.Simple
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import qualified Types as T
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--------------------------------------------------------------------------------
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reset :: FilePath -> T.Username -> IO ()
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reset dbFile username = withConnection dbFile $ \conn ->
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execute conn "UPDATE LoginAttempts SET numAttempts = 0 WHERE username = ?"
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(Only username)
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-- | Attempt to return the number of failed login attempts for
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-- `username`. Returns a Maybe in case `username` doesn't exist.
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forUsername :: FilePath -> T.Username -> IO (Maybe Integer)
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forUsername dbFile username = withConnection dbFile $ \conn -> do
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res <- query conn "SELECT (numAttempts) FROM LoginAttempts WHERE username = ?"
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(Only username)
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case res of
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[T.LoginAttempt{..}] -> pure (Just loginAttemptNumAttempts)
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_ -> pure Nothing
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increment :: FilePath -> T.Username -> IO ()
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increment dbFile username = withConnection dbFile $ \conn ->
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execute conn "UPDATE LoginAttempts SET numAttempts = numAttempts + 1 WHERE username = ?"
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(Only username)
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