neat/Handler/Wallet.hs

88 lines
3.1 KiB
Haskell

module Handler.Wallet where
import Import
import Data.List (unfoldr)
import Data.Time.Clock
import Text.Printf
getWalletR :: Handler Html
getWalletR = getWalletDetailsR 6 7
getWalletDetailsR :: Int64 -> Int64 -> Handler Html
getWalletDetailsR hrs days = loginOrDo (\(uid,user) -> do
now <- liftIO getCurrentTime
trans <- runDB $ selectList [TransactionDateTime >. (addUTCTime ((fromIntegral $ -(hrs*3600)) :: NominalDiffTime) now)] [Desc TransactionDateTime]
defaultLayout $ [whamlet|
<a href=@{WalletDetailsR 168 days}>show last 7 days
<h1>Transactions in the last #{hrs} hours
<table .table>
<tr>
<th>Time
<th>P/C
<th>B/S
<th>Item
<th>Quantity
<th>ISK/Item
<th>ISK total
<th>ISK profit
<th>%
<th>Time
<th>Client
<th>Station
<th>?
<th>
$forall Entity _ t <- trans
<tr>
<td>#{show $ utctDay $ transactionDateTime $ t} #{show $ utctDayTime $ transactionDateTime $ t}
$if transactionTransForCorp t
<td .corpTransaction>C
$else
<td .personalTransaction>P
$if transactionTransIsSell t
<td .sellTransaction>S
$else
<td .buyTransaction>B
<td>#{transactionTypeName t}
<td>#{transactionQuantity t}
<td>#{prettyISK $ transactionPriceCents t}
<td>#{prettyISK $ transactionQuantity t * transactionPriceCents t}
$maybe profit <- transRealProfit t
<td>
#{prettyISK $ profit}
<td>
#{profitPercent profit t}
$nothing
<td>
-
<td>
<td>
$maybe secs <- transactionSecondsToSell t
#{secs}
$nothing
&nbsp;
<td>#{transactionClientName t}
<td>#{transactionStationName t}
<td>
<td>
<h1>Statistices for the last #{days} days
|]
)
transRealProfit :: Transaction -> Maybe Int64
transRealProfit t = (\a b c -> a - b - c) <$> transactionProfit t <*> transactionFee t <*> transactionTax t
profitPercent :: Int64 -> Transaction -> String
profitPercent p t = printf "%.2f" $ (100*(fromIntegral p) / (fromIntegral (transactionQuantity t * transactionPriceCents t)) :: Double)
prettyISK :: Int64 -> String
prettyISK isk = pretty++","++ printf "%02u" cents
where
(isk',cents) = divMod isk 100
thousands = unfoldr (\b -> if b == 0 then Nothing else Just (b `mod` 1000, b `div` 1000)) isk'
(ht:t) = reverse thousands
pretty = intercalate "." $ [show ht] ++ (printf "%03u" <$> t)