mirror of
https://github.com/simonmichael/hledger.git
synced 2024-11-08 07:09:28 +03:00
227 lines
8.0 KiB
Haskell
227 lines
8.0 KiB
Haskell
{-# LANGUAGE DataKinds #-}
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{-# LANGUAGE DeriveGeneric #-}
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{-# LANGUAGE OverloadedStrings #-}
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{-# LANGUAGE PolyKinds #-}
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{-# LANGUAGE QuasiQuotes #-}
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{-# LANGUAGE TypeFamilies #-}
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{-# LANGUAGE TypeOperators #-}
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{-# LANGUAGE FlexibleInstances #-}
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{-# LANGUAGE RecordWildCards #-}
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{-# LANGUAGE ScopedTypeVariables #-}
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module Main where
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import Lens.Micro ((&), (.~))
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import Control.Monad
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import Data.Aeson
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import qualified Data.ByteString.Lazy.Char8 as BL8
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import Data.Decimal
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import qualified Data.Map as M
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import Data.Proxy
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import Data.String (fromString)
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import Data.Swagger
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import Data.Text hiding (map,reverse)
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import Network.Wai as Wai
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import Network.Wai.Handler.Warp as Warp
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import Network.Wai.Middleware.RequestLogger
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import Safe
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import Servant
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import Servant.Swagger
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import System.Console.Docopt
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import System.Environment (getArgs)
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import System.Exit
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import Text.Printf
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import Hledger.Query
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import Hledger.Cli hiding (Reader, version)
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hledgerApiVersion="1.1.98"
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-- https://github.com/docopt/docopt.hs#readme
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doc :: Docopt
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doc = [docopt|
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hledger-api 1.1.98
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Serves hledger data and reports as a JSON web API.
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Usage:
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hledger-api [options]
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start API server
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hledger-api --swagger
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print API docs in Swagger 2.0 format
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hledger-api --version
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hledger-api -h|--help|--info
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Options:
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-f --file FILE use a different input file
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(default: $LEDGER_FILE or ~/.hledger.journal)
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-d --static-dir DIR serve files from a different directory
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(default: .)
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--host IPADDR listen on this IP address (default: 127.0.0.1)
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-p --port PORT listen on this TCP port (default: 8001)
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--version show version
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-h show usage
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--help show manual
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--man show manual with man
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--info show manual with info
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|]
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swaggerSpec :: Swagger
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swaggerSpec = toSwagger (Proxy :: Proxy HledgerApi)
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& info.title .~ "hledger API"
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& info.version .~ pack hledgerApiVersion
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& info.description .~ Just "This is the API provided by hledger-api for reading hledger data"
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& info.license .~ Just (License "GPLv3+" (Nothing))
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main :: IO ()
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main = do
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args <- getArgs >>= parseArgsOrExit doc
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when (isPresent args (shortOption 'h')) $ exitWithUsage doc
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when (isPresent args (longOption "help")) $ printHelpForTopic "api" >> exitSuccess
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when (isPresent args (longOption "man")) $ runManForTopic "api" >> exitSuccess
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when (isPresent args (longOption "info")) $ runInfoForTopic "api" >> exitSuccess
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when (isPresent args (longOption "version")) $ putStrLn hledgerApiVersion >> exitSuccess
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when (isPresent args (longOption "swagger")) $ BL8.putStrLn (encode swaggerSpec) >> exitSuccess
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let
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defh = "127.0.0.1"
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h = getArgWithDefault args defh (longOption "host")
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defp = "8001"
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p <- case readMay $ getArgWithDefault args defp (longOption "port") of
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Nothing -> exitWithUsage doc
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Just n -> return n
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deff <- defaultJournalPath
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let f = getArgWithDefault args deff (longOption "file")
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requireJournalFileExists f
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let
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defd = "."
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d = getArgWithDefault args defd (longOption "static-dir")
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readJournalFile Nothing Nothing True f >>= either error' (serveApi h p d f)
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serveApi :: String -> Int -> FilePath -> FilePath -> Journal -> IO ()
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serveApi h p d f j = do
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printf "Starting web api http://%s:%d/api/v1 for %s\n" h p f
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printf "and file server http://%s:%d for %s/\n" h p d
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printf "Press ctrl-c to quit\n"
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let warpsettings = defaultSettings
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& setHost (fromString h)
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& setPort p
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Warp.runSettings warpsettings $
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logStdout $
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hledgerApiApp d j
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type HledgerApi =
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"api" :> "v1" :>
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(
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"accountnames" :> Get '[JSON] [AccountName]
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:<|> "transactions" :> Get '[JSON] [Transaction]
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:<|> "prices" :> Get '[JSON] [MarketPrice]
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:<|> "commodities" :> Get '[JSON] [CommoditySymbol]
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:<|> "accounts" :> Get '[JSON] [Account]
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:<|> "accounts" :> Capture "acct" AccountName :> Get '[JSON] AccountTransactionsReport
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)
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type HledgerSwaggerApi =
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"swagger.json" :> Get '[JSON] Swagger
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:<|> HledgerApi
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type HledgerSwaggerFilesApi =
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HledgerSwaggerApi
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:<|> Raw
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hledgerApiApp :: FilePath -> Journal -> Wai.Application
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hledgerApiApp staticdir j = Servant.serve api server
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where
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api :: Proxy HledgerSwaggerFilesApi
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api = Proxy
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server :: Server HledgerSwaggerFilesApi
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server =
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(
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return swaggerSpec
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--
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:<|> accountnamesH
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:<|> transactionsH
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:<|> pricesH
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:<|> commoditiesH
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:<|> accountsH
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:<|> accounttransactionsH
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)
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--
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:<|> serveDirectory staticdir
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where
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accountnamesH = return $ journalAccountNames j
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transactionsH = return $ jtxns j
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pricesH = return $ jmarketprices j
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commoditiesH = return $ (M.keys . jinferredcommodities) j
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accountsH = return $ ledgerTopAccounts $ ledgerFromJournal Hledger.Query.Any j
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accounttransactionsH (a::AccountName) = do
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-- d <- liftIO getCurrentDay
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let
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ropts = defreportopts
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-- ropts' = ropts {depth_=Nothing
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-- ,balancetype_=HistoricalBalance
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-- }
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q = Hledger.Query.Any --filterQuery (not . queryIsDepth) $ queryFromOpts d ropts'
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thisacctq = Acct $ accountNameToAccountRegex a -- includes subs
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return $ accountTransactionsReport ropts j q thisacctq
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instance ToJSON ClearedStatus where toJSON = genericToJSON defaultOptions -- avoiding https://github.com/bos/aeson/issues/290
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instance ToJSON GenericSourcePos where toJSON = genericToJSON defaultOptions
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instance ToJSON Decimal where
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toJSON = toJSON . show
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instance ToJSON Amount where toJSON = genericToJSON defaultOptions
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instance ToJSON AmountStyle where toJSON = genericToJSON defaultOptions
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instance ToJSON Side where toJSON = genericToJSON defaultOptions
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instance ToJSON DigitGroupStyle where toJSON = genericToJSON defaultOptions
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instance ToJSON MixedAmount where toJSON = genericToJSON defaultOptions
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instance ToJSON Price where toJSON = genericToJSON defaultOptions
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instance ToJSON MarketPrice where toJSON = genericToJSON defaultOptions
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instance ToJSON PostingType where toJSON = genericToJSON defaultOptions
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instance ToJSON Posting where
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toJSON Posting{..} =
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object
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["pdate" .= toJSON pdate
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,"pdate2" .= toJSON pdate2
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,"pstatus" .= toJSON pstatus
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,"paccount" .= toJSON paccount
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,"pamount" .= toJSON pamount
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,"pcomment" .= toJSON pcomment
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,"ptype" .= toJSON ptype
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,"ptags" .= toJSON ptags
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,"pbalanceassertion" .= toJSON pbalanceassertion
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,"ptransactionidx" .= toJSON (maybe "" (show.tindex) ptransaction)
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]
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instance ToJSON Transaction where toJSON = genericToJSON defaultOptions
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instance ToJSON Account where
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toJSON a =
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object
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["aname" .= toJSON (aname a)
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,"aebalance" .= toJSON (aebalance a)
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,"aibalance" .= toJSON (aibalance a)
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,"anumpostings" .= toJSON (anumpostings a)
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,"aboring" .= toJSON (aboring a)
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,"aparentname" .= toJSON (maybe "" aname $ aparent a)
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,"asubs" .= toJSON (map toJSON $ asubs a)
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]
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instance ToSchema ClearedStatus
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instance ToSchema GenericSourcePos
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instance ToSchema Decimal
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where
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declareNamedSchema _proxy = pure $ NamedSchema (Just "Decimal") schema
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where
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schema = mempty
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& type_ .~ SwaggerNumber
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& example .~ Just (toJSON (100 :: Decimal))
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instance ToSchema Amount
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instance ToSchema AmountStyle
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instance ToSchema Side
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instance ToSchema DigitGroupStyle
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instance ToSchema MixedAmount
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instance ToSchema Price
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instance ToSchema MarketPrice
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instance ToSchema PostingType
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instance ToSchema Posting
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instance ToSchema Transaction
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instance ToSchema Account
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-- instance ToSchema AccountTransactionsReport
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