mateamt/src/Control/User.hs

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{-# LANGUAGE OverloadedStrings #-}
module Control.User where
import Servant
import Control.Monad (void, when)
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import Control.Monad.Reader (asks)
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import Control.Monad.IO.Class (liftIO)
import Data.Time (getCurrentTime, utctDay)
import Data.Maybe (fromMaybe)
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import qualified Data.Text as T
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import Text.Printf (printf)
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-- internal imports
import Types
import Model
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import Util
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userNew
:: UserSubmit
-> MateHandler Int
userNew (UserSubmit ident email passhash) = do
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now <- liftIO getCurrentTime
conn <- asks rsConnection
uid <- insertUser ident email (utctDay now) conn
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void $ putUserAuthInfo uid PrimaryPass "Initial password" passhash conn
baseRoleId <- queryRoleIdByCapabilities
(False, False, False, False, False, False, False, False, False, False)
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conn
void $ associateUserToRole uid baseRoleId conn
return uid
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userGet
:: Maybe (Int, AuthMethod)
-> MateHandler UserDetails
userGet Nothing =
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throwError $ err401
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{ errBody = "No Authentication present."
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}
userGet (Just (uid, _)) = do
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conn <- asks rsConnection
userDetailsSelect uid conn
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userUpdate
:: Maybe (Int, AuthMethod)
-> UserDetailsSubmit
-> MateHandler ()
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userUpdate Nothing _ =
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throwError $ err401
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{ errBody = "No Authentication present."
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}
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userUpdate (Just (aid, method)) uds =
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if method `elem` [PrimaryPass, ChallengeResponse]
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then do
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now <- liftIO getCurrentTime
conn <- asks rsConnection
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void $ updateUserDetails aid uds (utctDay now) conn
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else
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throwError $ err401
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{ errBody = "Wrong Authentication present."
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}
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userUpdateTimestamp
:: Maybe (Int, AuthMethod)
-> MateHandler ()
userUpdateTimestamp (Just (aid, _)) = do
now <- liftIO getCurrentTime
conn <- asks rsConnection
void $ updateUserTimestamp aid (utctDay now) conn
userUpdateTimestamp Nothing =
throwError $ err401
{ errBody = "No Authentication present."
}
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userList
:: Maybe UserRefine
-> MateHandler [UserSummary]
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userList ref = do
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conn <- asks rsConnection
userSelect (fromMaybe ActiveUsers ref) conn
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userRecharge
:: Maybe (Int, AuthMethod)
-> UserRecharge
-> MateHandler ()
userRecharge (Just (auid, _)) (UserRecharge amount) = do
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when (amount < 0) $
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throwError $ err400
{ errBody = "Amounts less or equal zero are not acceptable."
}
conn <- asks rsConnection
ud <- userDetailsSelect auid conn
void $ insertNewJournalEntry
(JournalSubmit
(Just $ userDetailsId ud)
Recharge
amount
)
conn
void $ addToUserBalance auid amount conn
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userRecharge Nothing _ =
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throwError $ err401
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{ errBody = "No Authentication present."
}
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userTransfer
:: Maybe (Int, AuthMethod)
-> UserTransfer
-> MateHandler ()
userTransfer (Just (auid, method)) (UserTransfer target amount) = do
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when (amount < 0) $
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throwError $ err400
{ errBody = "Amounts less or equal zero are not acceptable."
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}
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when (auid == target) $
throwError $ err400
{ errBody = "You can not transfer yourself money."
}
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when (method `notElem` [PrimaryPass, ChallengeResponse]) $
throwError $ err401
{ errBody = "No Authentication present."
}
conn <- asks rsConnection
user <- userDetailsSelect auid conn
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when (amount > userDetailsBalance user) $
throwError $ err400
{ errBody = "Not enough credit balance."
}
mtarget <- filter (\u -> userSummaryId u == target) <$> userSelect AllUsers conn
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when (null mtarget) $
throwError $ err400
{ errBody = "Target user not found."
}
void $ addToUserBalance auid (-amount) conn
void $ addToUserBalance target amount conn
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userTransfer Nothing _ =
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throwError $ err401
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{ errBody = "No Authentication present."
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}
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userNotify
:: Maybe (Int, AuthMethod)
-> [PurchaseDetail]
-> PurchaseResult
-> MateHandler ()
userNotify (Just (auid, method)) boughtItems (PurchaseResult flag missing) = do
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conn <- asks rsConnection
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authOV <- selectAuthOverviewById auid conn
userDetails <- userDetailsSelect (authOverviewUser authOV) conn
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digestedDetails <- mapM
(\pd -> do
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overview <- productOverviewSelectSingle (purchaseDetailProduct pd) conn
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return
( purchaseDetailAmount pd
, productOverviewIdent overview
, productOverviewPrice overview
)
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)
boughtItems
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currencyFrac <- asks rsCurrencyFraction
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currencySymb <- asks rsCurrencySymbol
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let messageText = T.pack $ mconcat $ map (<> ("\n")) $
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[ printf (__ "Hello %s,") (userDetailsIdent userDetails)
, ""
, printf (__ "Your authentication key with the comment \"%s\"\
\ Just made following purchase:")
(authOverviewComment authOV)
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, ""
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] ++
( map
(\(amount, ident, price) ->
printf
("%dx %s " <>
(__ "for the price of") <>
"%d %f." <>
(printf "%d" currencyFrac) <>
(printf "%s" currencySymb)
)
amount
ident
price
)
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digestedDetails
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)
++
[ ""
, printf (__ "For a total price of %s%s") <>
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(printf
("%f." <>
(printf "%d" currencyFrac :: String))
((fromIntegral $
foldl (\acc (_, _, p) -> acc + p)
0
digestedDetails
) /
(fromIntegral $ 10 ^ currencyFrac)
:: Float ))
currencySymb
, ""
, (__ "Enjoy your purchased items!\n\nSincerely,\nMateamt")
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]
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case userDetailsEmail userDetails of
Just _ -> do
sendUserNotification
userDetails
(__ "Purchase notification")
messageText
Nothing ->
return ()
-- throwError $ err501
-- { errBody = "userNotify: Not implemented yet"
-- }