mateamt/src/Control/User.hs
2021-07-12 13:29:40 +02:00

220 lines
5.8 KiB
Haskell

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