hyperswitch/connector-template/transformers.rs

use common_enums::enums;
use serde::{Deserialize, Serialize};
use masking::Secret;
use common_utils::types::{StringMinorUnit};
use hyperswitch_domain_models::{
    payment_method_data::PaymentMethodData,
    router_data::{ConnectorAuthType, RouterData},
    router_flow_types::refunds::{Execute, RSync},
    router_request_types::ResponseId,
    router_response_types::{PaymentsResponseData, RefundsResponseData},
    types::{PaymentsAuthorizeRouterData, RefundsRouterData},
};
use hyperswitch_interfaces::errors;
use crate::types::{RefundsResponseRouterData, ResponseRouterData};

//TODO: Fill the struct with respective fields
pub struct {{project-name | downcase | pascal_case}}RouterData<T> {
    pub amount: StringMinorUnit, // The type of amount that a connector accepts, for example, String, i64, f64, etc.
    pub router_data: T,
}

impl<T>
    From<(
        StringMinorUnit,
        T,
    )> for {{project-name | downcase | pascal_case}}RouterData<T>
{
    fn from(
        (amount, item): (
            StringMinorUnit,
            T,
        ),
    ) -> Self {
         //Todo :  use utils to convert the amount to the type of amount that a connector accepts
        Self {
            amount,
            router_data: item,
        }
    }
}

//TODO: Fill the struct with respective fields
#[derive(Default, Debug, Serialize, PartialEq)]
pub struct {{project-name | downcase | pascal_case}}PaymentsRequest {
    amount: StringMinorUnit,
    card: {{project-name | downcase | pascal_case}}Card
}

#[derive(Default, Debug, Serialize, Eq, PartialEq)]
pub struct {{project-name | downcase | pascal_case}}Card {
    number: cards::CardNumber,
    expiry_month: Secret<String>,
    expiry_year: Secret<String>,
    cvc: Secret<String>,
    complete: bool,
}

impl TryFrom<&{{project-name | downcase | pascal_case}}RouterData<&PaymentsAuthorizeRouterData>> for {{project-name | downcase | pascal_case}}PaymentsRequest  {
    type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(item: &{{project-name | downcase | pascal_case}}RouterData<&PaymentsAuthorizeRouterData>) -> Result<Self,Self::Error> {
        match item.router_data.request.payment_method_data.clone() {
            PaymentMethodData::Card(_) => {
                Err(errors::ConnectorError::NotImplemented("Card payment method not implemented".to_string()).into())
            },
            _ => Err(errors::ConnectorError::NotImplemented("Payment method".to_string()).into()),
        }
        
    }
}

//TODO: Fill the struct with respective fields
// Auth Struct
pub struct {{project-name | downcase | pascal_case}}AuthType {
    pub(super) api_key: Secret<String>
}

impl TryFrom<&ConnectorAuthType> for {{project-name | downcase | pascal_case}}AuthType  {
    type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(auth_type: &ConnectorAuthType) -> Result<Self, Self::Error> {
        match auth_type {
            ConnectorAuthType::HeaderKey { api_key } => Ok(Self {
                api_key: api_key.to_owned(),
            }),
            _ => Err(errors::ConnectorError::FailedToObtainAuthType.into()),
        }
    }
}
// PaymentsResponse
//TODO: Append the remaining status flags
#[derive(Debug, Clone, Copy, Default, Serialize, Deserialize, PartialEq)]
#[serde(rename_all = "lowercase")]
pub enum {{project-name | downcase | pascal_case}}PaymentStatus {
    Succeeded,
    Failed,
    #[default]
    Processing,
}

impl From<{{project-name | downcase | pascal_case}}PaymentStatus> for common_enums::AttemptStatus {
    fn from(item: {{project-name | downcase | pascal_case}}PaymentStatus) -> Self {
        match item {
            {{project-name | downcase | pascal_case}}PaymentStatus::Succeeded => Self::Charged,
            {{project-name | downcase | pascal_case}}PaymentStatus::Failed => Self::Failure,
            {{project-name | downcase | pascal_case}}PaymentStatus::Processing => Self::Authorizing,
        }
    }
}

//TODO: Fill the struct with respective fields
#[derive(Default, Debug, Clone, Serialize, Deserialize, PartialEq)]
pub struct {{project-name | downcase | pascal_case}}PaymentsResponse {
    status: {{project-name | downcase | pascal_case}}PaymentStatus,
    id: String,
}

impl<F,T> TryFrom<ResponseRouterData<F, {{project-name | downcase | pascal_case}}PaymentsResponse, T, PaymentsResponseData>> for RouterData<F, T, PaymentsResponseData> {
    type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(item: ResponseRouterData<F, {{project-name | downcase | pascal_case}}PaymentsResponse, T, PaymentsResponseData>) -> Result<Self,Self::Error> {
        Ok(Self {
            status: common_enums::AttemptStatus::from(item.response.status),
            response: Ok(PaymentsResponseData::TransactionResponse {
                resource_id: ResponseId::ConnectorTransactionId(item.response.id),
                redirection_data: Box::new(None),
                mandate_reference: Box::new(None),
                connector_metadata: None,
                network_txn_id: None,
                connector_response_reference_id: None,
                incremental_authorization_allowed: None,
                charges: None,
            }),
            ..item.data
        })
    }
}

//TODO: Fill the struct with respective fields
// REFUND :
// Type definition for RefundRequest
#[derive(Default, Debug, Serialize)]
pub struct {{project-name | downcase | pascal_case}}RefundRequest {
    pub amount: StringMinorUnit
}

impl<F> TryFrom<&{{project-name | downcase | pascal_case}}RouterData<&RefundsRouterData<F>>> for {{project-name | downcase | pascal_case}}RefundRequest {
    type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(item: &{{project-name | downcase | pascal_case}}RouterData<&RefundsRouterData<F>>) -> Result<Self,Self::Error> {
        Ok(Self {
            amount: item.amount.to_owned(),
        })
    }
}

// Type definition for Refund Response

#[allow(dead_code)]
#[derive(Debug, Copy, Serialize, Default, Deserialize, Clone)]
pub enum RefundStatus {
    Succeeded,
    Failed,
    #[default]
    Processing,
}

impl From<RefundStatus> for enums::RefundStatus {
    fn from(item: RefundStatus) -> Self {
        match item {
            RefundStatus::Succeeded => Self::Success,
            RefundStatus::Failed => Self::Failure,
            RefundStatus::Processing => Self::Pending,
            //TODO: Review mapping
        }
    }
}

//TODO: Fill the struct with respective fields
#[derive(Default, Debug, Clone, Serialize, Deserialize)]
pub struct RefundResponse {
    id: String,
    status: RefundStatus
}

impl TryFrom<RefundsResponseRouterData<Execute, RefundResponse>>
    for RefundsRouterData<Execute>
{
    type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(
        item: RefundsResponseRouterData<Execute, RefundResponse>,
    ) -> Result<Self, Self::Error> {
        Ok(Self {
            response: Ok(RefundsResponseData {
                connector_refund_id: item.response.id.to_string(),
                refund_status: enums::RefundStatus::from(item.response.status),
            }),
            ..item.data
        })
    }
}

impl TryFrom<RefundsResponseRouterData<RSync, RefundResponse>> for RefundsRouterData<RSync>
{
     type Error = error_stack::Report<errors::ConnectorError>;
    fn try_from(item: RefundsResponseRouterData<RSync, RefundResponse>) -> Result<Self,Self::Error> {
        Ok(Self {
            response: Ok(RefundsResponseData {
                connector_refund_id: item.response.id.to_string(),
                refund_status: enums::RefundStatus::from(item.response.status),
            }),
            ..item.data
        })
     }
 }

//TODO: Fill the struct with respective fields
#[derive(Default, Debug, Serialize, Deserialize, PartialEq)]
pub struct {{project-name | downcase | pascal_case}}ErrorResponse {
    pub status_code: u16,
    pub code: String,
    pub message: String,
    pub reason: Option<String>,
    pub network_advice_code: Option<String>,
    pub network_decline_code: Option<String>,
    pub network_error_message: Option<String>,
}