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added profit for last x days on wallet

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This commit is contained in:
Nicole Dresselhaus 2015-08-09 23:33:19 +02:00
parent fc3432b834
commit a503172e79
1 changed files with 79 additions and 5 deletions
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84
Handler/Wallet.hs
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@ -1,3 +1,6 @@
{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE OverloadedStrings #-}
module Handler.Wallet where
import Import
@ -5,6 +8,23 @@ import Import
import Data.List (unfoldr)
import Data.Time.Clock
import Text.Printf
import Database.Persist.Sql
data Profit = Profit
{ date :: Day
, buy :: Int64
, sell :: Int64
, profit :: Int64
, bf :: Int64
, tt :: Int64
} deriving (Show, Eq)
instance RawSql Profit where
rawSqlCols _ _ = (6,[])
rawSqlColCountReason _ = "date, buy, sell, profit, bf, tt"
rawSqlProcessRow [PersistDay t, PersistInt64 b, PersistInt64 s,
PersistInt64 p, PersistInt64 bf, PersistInt64 tt] = Right (Profit t b s p bf tt)
rawSqlProcessRow a = Left ("Wrong kinds of Arguments:" <> (pack $ show a))
buttonIntervals :: [(Int64,String)]
buttonIntervals = [ (2,"2 hours")
@ -16,6 +36,9 @@ buttonIntervals = [ (2,"2 hours")
, (31*24,"31 days")
]
profitIntervals :: [Int64]
profitIntervals = [7,14,31]
getWalletR :: Handler Html
getWalletR = getWalletDetailsR 6 7
@ -23,6 +46,22 @@ 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]
let profitquery = "select \
min(date(date_time at time zone 'utc')) as date,\
sum(CASE WHEN NOT trans_is_sell THEN quantity*price_cents ELSE 0 END) :: bigint as buy,\
sum(CASE WHEN trans_is_sell THEN quantity*price_cents ELSE 0 END) :: bigint as sell,\
sum(COALESCE(profit,0)) :: bigint as profit,\
sum(fee) :: bigint as brokerfee,\
sum(tax) :: bigint as transactiontax \
from transaction \
where \
\"user\"=? \
and extract(day from (now() at time zone 'utc')-date(date_time at time zone 'utc')) < ? \
group by \
extract(day from (now() at time zone 'utc')-date(date_time at time zone 'utc')) \
order by \
extract(day from (now() at time zone 'utc')-date(date_time at time zone 'utc')) asc"
(profits :: [Profit]) <- runDB $ rawSql profitquery [toPersistValue uid, toPersistValue days]
defaultLayout $ [whamlet|
<div .panel .panel-default>
<div .panel-heading>Transactions in the last #{hrs} hours:
@ -94,9 +133,36 @@ getWalletDetailsR hrs days = loginOrDo (\(uid,user) -> do
<div .panel .panel-default>
<div .panel-heading>Statistices for the last #{days} days:
<table .table .table-striped .table-condensed .small>
<div .btn-group .btn-group-justified role="group">
$forall days' <- profitIntervals
$if days == days'
<a href="@{WalletDetailsR hrs days'}" .btn .active role="button">#{days'} days
$else
<a href="@{WalletDetailsR hrs days'}" .btn role="button">#{days'} days
<table .table .table-condensed .small>
<tr>
<th .text-center>TODO
<th .text-center>Date
<th .text-center>ISK Buy
<th .text-center>ISK Sell
<th .text-center>ISK Profit
<th .text-center>ISK Broker Fee
<th .text-center>ISK Transaction Tax
<th .text-center>Real Profit
<th .text-center>%
$forall (Profit t b s p bf tt) <- profits
<tr>
<td>#{show t}
<td .numeric>#{prettyISK b}
<td .numeric>#{prettyISK s}
<td .numeric>#{prettyISK p}
<td .numeric>#{prettyISK bf}
<td .numeric>#{prettyISK tt}
<td .numeric>#{transRealProfit' p bf tt}
<td .numeric>
$maybe pp <- profitPercent' p bf tt s
#{pp}
$nothing
&nbsp;
|]
)
@ -106,17 +172,25 @@ transRealProfit t = if transactionTransIsSell t then
else
negate <$> ((+) <$> transactionFee t <*> transactionTax t)
transRealProfit' :: Int64 -> Int64 -> Int64 -> String
transRealProfit' p bf tt = prettyISK (p-bf-tt)
profitPercent' :: Int64 -> Int64 -> Int64 -> Int64 -> Maybe String
profitPercent' p bf tt s = if s == 0 then Nothing
else Just . printf "%.2f" $ 100*(fromIntegral (p - bf - tt) / fromIntegral s :: Double)
profitPercent :: Int64 -> Transaction -> String
profitPercent p t = printf "%.2f" $ (100*(fromIntegral p) / (fromIntegral (transactionQuantity t * transactionPriceCents t)) :: Double)
prettyISK :: Int64 -> String
prettyISK isk = signIsk++pretty++","++ printf "%02u" cents
where
signIsk = if isk > 0 then "" else "-"
signIsk = if isk >= 0 then "" else "-"
(isk',cents) = divMod (abs 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)
pretty = case reverse thousands of
(ht:t) -> intercalate "." $ [show ht] ++ (printf "%03u" <$> t)
[] -> "0"
showTime :: Int64 -> String
showTime t = printf "%2u" hours ++ ":" ++ printf "%02u" minutes ++ ":" ++ printf "%02u" seconds