greed 0.6.0

A rust tool to automate trades 📈
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use crate::float::FloatAmountRounding;
use crate::num::NumFromFloat;
use crate::platform::order::amount::Amount;
use num_decimal::Num;

impl From<apca::api::v2::order::Amount> for Amount {
    fn from(value: apca::api::v2::order::Amount) -> Self {
        match value {
            apca::api::v2::order::Amount::Quantity { quantity } => {
                Self::Quantity(quantity.to_f64().unwrap_or(0.0))
            }
            apca::api::v2::order::Amount::Notional { notional } => {
                Self::Notional(notional.to_f64().unwrap_or(0.0))
            }
        }
    }
}

impl From<Amount> for apca::api::v2::order::Amount {
    fn from(value: Amount) -> Self {
        match value {
            Amount::Quantity(quantity) => Self::Quantity {
                quantity: Num::from_f64(quantity.round_for_quantity()),
            },
            Amount::Notional(notional) => Self::Notional {
                notional: Num::from_f64(notional.round_for_notional()),
            },
        }
    }
}

#[cfg(test)]
mod test {
    use crate::assert;
    use crate::platform::order::amount::Amount;
    use num_decimal::Num;

    #[test]
    fn from_notational() {
        let alpaca_amount = apca::api::v2::order::Amount::Notional {
            notional: Num::from(5),
        };
        assert::conversion(alpaca_amount, Amount::Notional(5.0));
    }

    #[test]
    fn from_notational_alpaca() {
        let alpaca_amount = apca::api::v2::order::Amount::Notional {
            notional: Num::from(5),
        };
        assert::conversion(Amount::Notional(5.0), alpaca_amount);
    }

    #[test]
    fn from_notational_alpaca_rounding() {
        let amount: apca::api::v2::order::Amount = Amount::Notional(5.559).into();
        if let apca::api::v2::order::Amount::Notional { notional } = amount {
            assert_eq!(notional.to_f64(), Some(5.55));
        } else {
            panic!("wrong type was converted")
        }
    }

    #[test]
    fn from_quantity() {
        let alpaca_amount = apca::api::v2::order::Amount::Quantity {
            quantity: Num::from(5),
        };
        assert::conversion(alpaca_amount, Amount::Quantity(5.0));
    }

    #[test]
    fn from_quantity_alpaca() {
        let alpaca_amount = apca::api::v2::order::Amount::Quantity {
            quantity: Num::from(5),
        };
        assert::conversion(Amount::Quantity(5.0), alpaca_amount);
    }

    #[test]
    fn from_quantity_alpaca_rounding() {
        let amount: apca::api::v2::order::Amount = Amount::Quantity(5.123456789).into();
        if let apca::api::v2::order::Amount::Quantity { quantity } = amount {
            assert_eq!(quantity.to_f64(), Some(5.1234567));
        } else {
            panic!("wrong type was converted")
        }
    }
}