checkout_controller 0.0.7

a set of interfaces to create robust backends for a pleasant checkout experience
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use crate::{
    address::Address,
    item::Item,
    money::{Currency, Money},
    CheckoutError,
};
use async_trait::async_trait;
use schemars::JsonSchema;
use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize, JsonSchema)]
pub enum FulfillmentType {
    Pickup,
    Shipping(ShippingQuote),
}

#[derive(Serialize, Deserialize, JsonSchema)]
pub enum FulfillmentTypeSelection {
    Pickup,
    Shipping(String),
}

#[derive(Clone, Serialize, Deserialize, JsonSchema)]
pub struct ShippingQuote {
    pub id: String,
    pub service: Service,
    pub price: Money,
    pub discount: Money,
}

#[derive(Clone, Serialize, Deserialize, JsonSchema)]
pub struct Courier {
    pub id: String,
    pub name: String,
}

#[derive(Clone, Serialize, Deserialize, JsonSchema)]
pub struct Service {
    pub id: String,
    pub courier: Courier,
    pub name: String,
}

#[async_trait]
pub trait ShippingCalculator {
    async fn get_shipping_quotes(
        &mut self,
        currency: &Currency,
        promo_codes: &Vec<String>,
        items: &Vec<Item>,
        address: &Address,
    ) -> Result<Vec<ShippingQuote>, CheckoutError>;
}