pwncash/lib/Internal/Database/Model.hs

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{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE TemplateHaskell #-}
{-# LANGUAGE UndecidableInstances #-}
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module Internal.Database.Model where
import Database.Esqueleto.Experimental
import Database.Persist.TH
import Internal.Types
import RIO
import qualified RIO.Map as M
import qualified RIO.Text as T
import RIO.Time
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share
[mkPersist sqlSettings, mkMigrate "migrateAll"]
[persistLowerCase|
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CommitR sql=commits
hash Int
type ConfigType
deriving Show Eq
CurrencyR sql=currencies
symbol T.Text
fullname T.Text
deriving Show Eq
AccountR sql=accounts
name T.Text
fullpath T.Text
desc T.Text
deriving Show Eq
AccountPathR sql=account_paths
parent AccountRId OnDeleteCascade
child AccountRId OnDeleteCascade
depth Int
deriving Show Eq
TransactionR sql=transactions
commit CommitRId OnDeleteCascade
date Day
description T.Text
deriving Show Eq
SplitR sql=splits
transaction TransactionRId OnDeleteCascade
currency CurrencyRId OnDeleteCascade
account AccountRId OnDeleteCascade
memo T.Text
value Rational
deriving Show Eq
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BudgetLabelR sql=budget_labels
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split SplitRId OnDeleteCascade
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budgetName T.Text
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deriving Show Eq
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ExpenseBucketR sql=expense_buckets
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budgetLabel BudgetLabelRId OnDeleteCascade
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bucket ExpenseBucket
deriving Show Eq
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IncomeBucketR sql=income_buckets
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budgetLabel BudgetLabelRId OnDeleteCascade
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bucket IncomeBucket
deriving Show Eq
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|]
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type AccountMap = M.Map AcntID (AccountRId, AcntSign, AcntType)
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type CurrencyMap = M.Map CurID CurrencyRId
data DBState = DBState
{ kmCurrency :: !CurrencyMap
, kmAccount :: !AccountMap
, kmBudgetInterval :: !Bounds
, kmStatementInterval :: !Bounds
, kmNewCommits :: ![Int]
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, kmConfigDir :: !FilePath
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}
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type MappingT m = ReaderT DBState (SqlPersistT m)
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type KeySplit = Split AccountRId Rational CurrencyRId
type KeyTx = Tx KeySplit
type TreeR = Tree ([T.Text], AccountRId)
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type Balances = M.Map AccountRId Rational
type BalanceM m = ReaderT (MVar Balances) m
class MonadUnliftIO m => MonadFinance m where
askDBState :: (DBState -> a) -> m a
instance MonadUnliftIO m => MonadFinance (ReaderT DBState m) where
askDBState = asks
class MonadUnliftIO m => MonadBalance m where
askBalances :: m (MVar Balances)
withBalances :: (Balances -> m a) -> m a
withBalances f = do
bs <- askBalances
withMVar bs f
modifyBalances :: (Balances -> m (Balances, a)) -> m a
modifyBalances f = do
bs <- askBalances
modifyMVar bs f
lookupBalance :: AccountRId -> m Rational
lookupBalance i = withBalances $ return . fromMaybe 0 . M.lookup i
addBalance :: AccountRId -> Rational -> m ()
addBalance i v =
modifyBalances $ return . (,()) . M.alter (Just . maybe v (v +)) i