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9993911e3b
Summary: This PR adds UAH currency Type and examples to EN and RU Corpus Pull Request resolved: https://github.com/facebook/duckling/pull/433 Reviewed By: girifb Differential Revision: D25102990 Pulled By: chessai fbshipit-source-id: ed40e8dfcf145a65c7e6d87158da0efacb32e256
137 lines
3.9 KiB
Haskell
137 lines
3.9 KiB
Haskell
-- Copyright (c) 2016-present, Facebook, Inc.
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-- All rights reserved.
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--
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-- This source code is licensed under the BSD-style license found in the
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-- LICENSE file in the root directory of this source tree.
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{-# LANGUAGE GADTs #-}
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{-# LANGUAGE NamedFieldPuns #-}
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module Duckling.AmountOfMoney.Helpers
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( currencyOnly
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, valueOnly
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, isSimpleAmountOfMoney
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, isCent
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, isCents
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, isDollarCoin
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, isCurrencyOnly
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, isDime
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, isMoneyWithValue
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, isWithoutCents
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, withCents
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, withInterval
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, withMax
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, withMin
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, withValue
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, mkLatent
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, dollarCoins
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)
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where
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import Data.HashMap.Strict (HashMap)
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import Data.Maybe (isJust)
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import Data.String
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import Data.Text (Text)
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import Prelude
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import Duckling.AmountOfMoney.Types
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( Currency (..)
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, AmountOfMoneyData (..)
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, amountOfMoneyData'
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)
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import Duckling.Numeral.Types (getIntValue, isInteger)
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import Duckling.Dimensions.Types
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import Duckling.Types hiding (Entity(..))
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import qualified Data.HashMap.Strict as HashMap
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-- -----------------------------------------------------------------
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-- Dollar coin Types
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dollarCoins :: HashMap Text Double
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dollarCoins = HashMap.fromList
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[ ("nickel", 0.05)
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, ("nickels", 0.05)
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, ("dime", 0.1)
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, ("dimes", 0.1)
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, ("quarter", 0.25)
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, ("quarters", 0.25)
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]
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-- -----------------------------------------------------------------
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-- Patterns
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isCents :: Predicate
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isCents (Token AmountOfMoney AmountOfMoneyData{value = Just _, currency = Cent}) = True
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isCents _ = False
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isWithoutCents :: Predicate
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isWithoutCents (Token AmountOfMoney AmountOfMoneyData{currency = Cent}) = False
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isWithoutCents (Token AmountOfMoney AmountOfMoneyData{value = Just v}) = isInteger v
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isWithoutCents _ = False
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isMoneyWithValue :: Predicate
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isMoneyWithValue (Token AmountOfMoney AmountOfMoneyData{value = v1, minValue = v2, maxValue = v3}) =
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any isJust [v1, v2, v3]
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isMoneyWithValue _ = False
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isCurrencyOnly :: Predicate
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isCurrencyOnly (Token AmountOfMoney AmountOfMoneyData
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{value = Nothing, minValue = Nothing, maxValue = Nothing}) = True
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isCurrencyOnly _ = False
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isDollarCoin :: Predicate
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isDollarCoin (Token AmountOfMoney AmountOfMoneyData{value = Just d, currency}) =
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elem d [0.05, 0.1, 0.25] && elem currency [Dollar, AUD, CAD, JMD,
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NZD, SGD, TTD, USD]
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isDollarCoin _ = False
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isSimpleAmountOfMoney :: Predicate
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isSimpleAmountOfMoney (Token AmountOfMoney AmountOfMoneyData
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{value = Just _, minValue = Nothing, maxValue = Nothing}) = True
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isSimpleAmountOfMoney _ = False
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isDime :: Predicate
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isDime (Token AmountOfMoney AmountOfMoneyData
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{value = Just d, currency = Cent}) =
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maybe False (\i -> (i `mod` 10) == 0) $ getIntValue d
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isDime _ = False
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isCent :: Predicate
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isCent (Token AmountOfMoney AmountOfMoneyData
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{value = Just c, currency = Cent}) =
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maybe False (\i -> i >= 0 && i <= 9) $ getIntValue c
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isCent _ = False
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-- -----------------------------------------------------------------
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-- Production
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currencyOnly :: Currency -> AmountOfMoneyData
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currencyOnly c = amountOfMoneyData'{currency = c}
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valueOnly :: Double -> AmountOfMoneyData
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valueOnly x = amountOfMoneyData'{value = Just x}
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withValue :: Double -> AmountOfMoneyData -> AmountOfMoneyData
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withValue x fd = fd {value = Just x}
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withCents :: Double -> AmountOfMoneyData -> AmountOfMoneyData
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withCents x fd@AmountOfMoneyData {value = Just value} = fd
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{value = Just $ value + x / 100}
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withCents x AmountOfMoneyData {value = Nothing} =
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amountOfMoneyData'{value = Just x, currency = Cent}
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withInterval :: (Double, Double) -> AmountOfMoneyData -> AmountOfMoneyData
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withInterval (from, to) fd = fd
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{minValue = Just from, maxValue = Just to, value = Nothing}
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withMin :: Double -> AmountOfMoneyData -> AmountOfMoneyData
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withMin x fd = fd {minValue = Just x}
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withMax :: Double -> AmountOfMoneyData -> AmountOfMoneyData
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withMax x fd = fd {maxValue = Just x}
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mkLatent :: AmountOfMoneyData -> AmountOfMoneyData
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mkLatent fd = fd {latent = True}
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