feat(router): added merchant custom name support for payment link (#2685)

Co-authored-by: Sahkal Poddar <sahkal.poddar@juspay.in>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

crates/api_models/src/payments.rs

@@ -3100,6 +3100,8 @@ pub struct PaymentLinkObject {
     #[serde(default, with = "common_utils::custom_serde::iso8601::option")]
     pub link_expiry: Option<PrimitiveDateTime>,
     pub merchant_custom_domain_name: Option<String>,
+    /// Custom merchant name for payment link
+    pub custom_merchant_name: Option<String>,
 }
 
 #[derive(Default, Debug, serde::Deserialize, Clone, ToSchema, serde::Serialize)]
@@ -3143,11 +3145,11 @@ pub struct PaymentLinkDetails {
     pub pub_key: String,
     pub client_secret: String,
     pub payment_id: String,
-    #[serde(with = "common_utils::custom_serde::iso8601")]
+    #[serde(with = "common_utils::custom_serde::iso8601::option")]
-    pub expiry: PrimitiveDateTime,
+    pub expiry: Option<PrimitiveDateTime>,
     pub merchant_logo: String,
     pub return_url: String,
-    pub merchant_name: crypto::OptionalEncryptableName,
+    pub merchant_name: String,
     pub order_details: Vec<pii::SecretSerdeValue>,
     pub max_items_visible_after_collapse: i8,
 }

crates/diesel_models/src/payment_link.rs

@@ -20,8 +20,8 @@ pub struct PaymentLink {
     pub last_modified_at: PrimitiveDateTime,
     #[serde(default, with = "common_utils::custom_serde::iso8601::option")]
     pub fulfilment_time: Option<PrimitiveDateTime>,
+    pub custom_merchant_name: Option<String>,
 }
-
 #[derive(
     Clone,
     Debug,
@@ -47,4 +47,5 @@ pub struct PaymentLinkNew {
     pub last_modified_at: Option<PrimitiveDateTime>,
     #[serde(default, with = "common_utils::custom_serde::iso8601::option")]
     pub fulfilment_time: Option<PrimitiveDateTime>,
+    pub custom_merchant_name: Option<String>,
 }

crates/diesel_models/src/schema.rs

@@ -691,6 +691,8 @@ diesel::table! {
         created_at -> Timestamp,
         last_modified_at -> Timestamp,
         fulfilment_time -> Nullable<Timestamp>,
+        #[max_length = 64]
+        custom_merchant_name -> Nullable<Varchar>,
     }
 }
 

crates/router/src/core/payment_link.rs

@@ -1,6 +1,6 @@
 use api_models::admin as admin_types;
-use common_utils::ext_traits::AsyncExt;
 use error_stack::{IntoReport, ResultExt};
+use masking::PeekInterface;
 
 use super::errors::{self, RouterResult, StorageErrorExt};
 use crate::{
@@ -43,6 +43,11 @@ pub async fn intiate_payment_link_flow(
         .await
         .to_not_found_response(errors::ApiErrorResponse::PaymentNotFound)?;
 
+    let payment_link_id = payment_intent
+        .payment_link_id
+        .get_required_value("payment_link_id")
+        .change_context(errors::ApiErrorResponse::PaymentLinkNotFound)?;
+
     helpers::validate_payment_status_against_not_allowed_statuses(
         &payment_intent.status,
         &[
@@ -55,20 +60,10 @@ pub async fn intiate_payment_link_flow(
         "create payment link",
     )?;
 
-    let fulfillment_time = payment_intent
+    let payment_link = db
-        .payment_link_id
+        .find_payment_link_by_payment_link_id(&payment_link_id)
-        .as_ref()
-        .async_and_then(|pli| async move {
-            db.find_payment_link_by_payment_link_id(pli)
-                .await
-                .ok()?
-                .fulfilment_time
-                .ok_or(errors::ApiErrorResponse::PaymentNotFound)
-                .ok()
-        })
         .await
-        .get_required_value("fulfillment_time")
+        .to_not_found_response(errors::ApiErrorResponse::PaymentLinkNotFound)?;
-        .change_context(errors::ApiErrorResponse::PaymentNotFound)?;
 
     let payment_link_config = merchant_account
         .payment_link_config
@@ -108,10 +103,15 @@ pub async fn intiate_payment_link_flow(
         amount: payment_intent.amount,
         currency,
         payment_id: payment_intent.payment_id,
-        merchant_name: merchant_account.merchant_name,
+        merchant_name: payment_link.custom_merchant_name.unwrap_or(
+            merchant_account
+                .merchant_name
+                .map(|merchant_name| merchant_name.into_inner().peek().to_owned())
+                .unwrap_or_default(),
+        ),
         order_details,
         return_url,
-        expiry: fulfillment_time,
+        expiry: payment_link.fulfilment_time,
         pub_key,
         client_secret,
         merchant_logo: payment_link_config

crates/router/src/core/payments/operations/payment_create.rs

@@ -813,6 +813,7 @@ async fn create_payment_link(
         created_at,
         last_modified_at,
         fulfilment_time: payment_link_object.link_expiry,
+        custom_merchant_name: payment_link_object.custom_merchant_name,
     };
     let payment_link_db = db
         .insert_payment_link(payment_link_req)

migrations/2023-10-25-070909_add_merchant_custom_name_payment_link/down.sql

@@ -0,0 +1,2 @@
+-- This file should undo anything in `up.sql`
+ALTER TABLE payment_link DROP COLUMN custom_merchant_name;

migrations/2023-10-25-070909_add_merchant_custom_name_payment_link/up.sql

@@ -0,0 +1,2 @@
+-- Your SQL goes here
+ALTER TABLE payment_link ADD COLUMN custom_merchant_name VARCHAR(64);

openapi/openapi_spec.json

@@ -7866,6 +7866,11 @@
           "merchant_custom_domain_name": {
             "type": "string",
             "nullable": true
+          },
+          "custom_merchant_name": {
+            "type": "string",
+            "description": "Custom merchant name for payment link",
+            "nullable": true
           }
         }
       },