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feat(pm_auth): Added balance check for PM auth bank account (#5054)

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This commit is contained in:
Sarthak Soni
2024-07-03 18:17:52 +05:30
committed by GitHub
parent e85407fc53
commit f513c8e4da
4 changed files with 130 additions and 45 deletions
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69
crates/router/src/core/payment_methods/cards.rs
View File

@ -2023,7 +2023,10 @@ pub async fn list_payment_methods(
.await
.transpose()?;
let mut pmt_to_auth_connector = HashMap::new();
let mut pmt_to_auth_connector: HashMap<
enums::PaymentMethod,
HashMap<enums::PaymentMethodType, String>,
> = HashMap::new();
if let Some((payment_attempt, payment_intent)) =
payment_attempt.as_ref().zip(payment_intent.as_ref())
@ -2197,24 +2200,35 @@ pub async fn list_payment_methods(
None
});
let matched_config = match pm_auth_config {
Some(config) => {
let internal_config = config
.enabled_payment_methods
.iter()
.find(|config| config.payment_method_type == *payment_method_type)
.cloned();
if let Some(config) = pm_auth_config {
config
.enabled_payment_methods
.iter()
.for_each(|inner_config| {
if inner_config.payment_method_type == *payment_method_type {
let pm = pmt_to_auth_connector
.get(&inner_config.payment_method)
.cloned();
internal_config
}
None => None,
let inner_map = if let Some(mut inner_map) = pm {
inner_map.insert(
*payment_method_type,
inner_config.connector_name.clone(),
);
inner_map
} else {
HashMap::from([(
*payment_method_type,
inner_config.connector_name.clone(),
)])
};
pmt_to_auth_connector
.insert(inner_config.payment_method, inner_map);
val.push(inner_config.clone());
}
});
};
if let Some(config) = matched_config {
pmt_to_auth_connector
.insert(*payment_method_type, config.connector_name.clone());
val.push(config);
}
}
}
@ -2524,7 +2538,8 @@ pub async fn list_payment_methods(
.cloned(),
surcharge_details: None,
pm_auth_connector: pmt_to_auth_connector
.get(payment_method_types_hm.0)
.get(key.0)
.and_then(|pm_map| pm_map.get(payment_method_types_hm.0))
.cloned(),
})
}
@ -2561,7 +2576,8 @@ pub async fn list_payment_methods(
.cloned(),
surcharge_details: None,
pm_auth_connector: pmt_to_auth_connector
.get(payment_method_types_hm.0)
.get(key.0)
.and_then(|pm_map| pm_map.get(payment_method_types_hm.0))
.cloned(),
})
}
@ -2592,7 +2608,10 @@ pub async fn list_payment_methods(
.and_then(|inner_hm| inner_hm.get(key.0))
.cloned(),
surcharge_details: None,
pm_auth_connector: pmt_to_auth_connector.get(&payment_method_type).cloned(),
pm_auth_connector: pmt_to_auth_connector
.get(&enums::PaymentMethod::BankRedirect)
.and_then(|pm_map| pm_map.get(key.0))
.cloned(),
}
})
}
@ -2625,7 +2644,10 @@ pub async fn list_payment_methods(
.and_then(|inner_hm| inner_hm.get(key.0))
.cloned(),
surcharge_details: None,
pm_auth_connector: pmt_to_auth_connector.get(&payment_method_type).cloned(),
pm_auth_connector: pmt_to_auth_connector
.get(&enums::PaymentMethod::BankDebit)
.and_then(|pm_map| pm_map.get(key.0))
.cloned(),
}
})
}
@ -2658,7 +2680,10 @@ pub async fn list_payment_methods(
.and_then(|inner_hm| inner_hm.get(key.0))
.cloned(),
surcharge_details: None,
pm_auth_connector: pmt_to_auth_connector.get(&payment_method_type).cloned(),
pm_auth_connector: pmt_to_auth_connector
.get(&enums::PaymentMethod::BankTransfer)
.and_then(|pm_map| pm_map.get(key.0))
.cloned(),
}
})
}

42
crates/router/src/core/pm_auth.rs
View File

@ -15,6 +15,7 @@ use common_utils::{
crypto::{HmacSha256, SignMessage},
ext_traits::AsyncExt,
generate_id,
types::{self as util_types, AmountConvertor},
};
use error_stack::ResultExt;
use helpers::PaymentAuthConnectorDataExt;
@ -66,6 +67,19 @@ pub async fn create_link_token(
let pm_auth_key = format!("pm_auth_{}", payload.payment_id);
redis_conn
.exists::<Vec<u8>>(&pm_auth_key)
.await
.change_context(ApiErrorResponse::InvalidRequestData {
message: "Incorrect payment_id provided in request".to_string(),
})
.attach_printable("Corresponding pm_auth_key does not exist in redis")?
.then_some(())
.ok_or(ApiErrorResponse::InvalidRequestData {
message: "Incorrect payment_id provided in request".to_string(),
})
.attach_printable("Corresponding pm_auth_key does not exist in redis")?;
let pm_auth_configs = redis_conn
.get_and_deserialize_key::<Vec<api_models::pm_auth::PaymentMethodAuthConnectorChoice>>(
pm_auth_key.as_str(),
@ -637,6 +651,19 @@ async fn get_selected_config_from_redis(
let pm_auth_key = format!("pm_auth_{}", payload.payment_id);
redis_conn
.exists::<Vec<u8>>(&pm_auth_key)
.await
.change_context(ApiErrorResponse::InvalidRequestData {
message: "Incorrect payment_id provided in request".to_string(),
})
.attach_printable("Corresponding pm_auth_key does not exist in redis")?
.then_some(())
.ok_or(ApiErrorResponse::InvalidRequestData {
message: "Incorrect payment_id provided in request".to_string(),
})
.attach_printable("Corresponding pm_auth_key does not exist in redis")?;
let pm_auth_configs = redis_conn
.get_and_deserialize_key::<Vec<api_models::pm_auth::PaymentMethodAuthConnectorChoice>>(
pm_auth_key.as_str(),
@ -720,6 +747,21 @@ pub async fn retrieve_payment_method_from_auth_service(
.ok_or(ApiErrorResponse::InternalServerError)
.attach_printable("Bank account details not found")?;
if let (Some(balance), Some(currency)) = (bank_account.balance, payment_intent.currency) {
let required_conversion = util_types::FloatMajorUnitForConnector;
let converted_amount = required_conversion
.convert_back(balance, currency)
.change_context(ApiErrorResponse::InternalServerError)
.attach_printable("Could not convert FloatMajorUnit to MinorUnit")?;
if converted_amount < payment_intent.amount {
return Err((ApiErrorResponse::PreconditionFailed {
message: "selected bank account has insufficient balance".to_string(),
})
.into());
}
}
let mut bank_type = None;
if let Some(account_type) = bank_account.account_type.clone() {
bank_type = common_enums::BankType::from_str(account_type.as_str())