refactor(connector): [AUTHORIZEDOTNET] Add metadata information to connector request

crates/router/src/connector/authorizedotnet/transformers.rs

@@ -1,3 +1,5 @@
+use std::collections::BTreeMap;
+
 use common_utils::{
     errors::CustomResult,
     ext_traits::{Encode, ValueExt},
@@ -6,6 +8,7 @@ use error_stack::ResultExt;
 use masking::{ExposeInterface, PeekInterface, Secret, StrongSecret};
 use rand::distributions::{Alphanumeric, DistString};
 use serde::{Deserialize, Serialize};
+use serde_json::Value;
 
 use crate::{
     connector::utils::{
@@ -143,12 +146,27 @@ struct TransactionRequest {
     #[serde(skip_serializing_if = "Option::is_none")]
     bill_to: Option<BillTo>,
     #[serde(skip_serializing_if = "Option::is_none")]
+    user_fields: Option<UserFields>,
+    #[serde(skip_serializing_if = "Option::is_none")]
     processing_options: Option<ProcessingOptions>,
     #[serde(skip_serializing_if = "Option::is_none")]
     subsequent_auth_information: Option<SubsequentAuthInformation>,
     authorization_indicator_type: Option<AuthorizationIndicator>,
 }
 
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UserFields {
+    user_field: Vec<UserField>,
+}
+
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct UserField {
+    name: String,
+    value: String,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 #[serde(untagged)]
 enum ProfileDetails {
@@ -299,6 +317,25 @@ pub enum ValidationMode {
     LiveMode,
 }
 
+impl ForeignTryFrom<Value> for Vec<UserField> {
+    type Error = error_stack::Report<errors::ConnectorError>;
+    fn foreign_try_from(metadata: Value) -> Result<Self, Self::Error> {
+        let hashmap: BTreeMap<String, Value> = serde_json::from_str(&metadata.to_string())
+            .change_context(errors::ConnectorError::RequestEncodingFailedWithReason(
+                "Failed to serialize request metadata".to_owned(),
+            ))
+            .attach_printable("")?;
+        let mut vector: Self = Self::new();
+        for (key, value) in hashmap {
+            vector.push(UserField {
+                name: key,
+                value: value.to_string(),
+            });
+        }
+        Ok(vector)
+    }
+}
+
 impl TryFrom<&types::SetupMandateRouterData> for CreateCustomerProfileRequest {
     type Error = error_stack::Report<errors::ConnectorError>;
     fn try_from(item: &types::SetupMandateRouterData) -> Result<Self, Self::Error> {
@@ -622,6 +659,12 @@ impl
                     zip: address.zip.clone(),
                     country: address.country,
                 }),
+            user_fields: match item.router_data.request.metadata.clone() {
+                Some(metadata) => Some(UserFields {
+                    user_field: Vec::<UserField>::foreign_try_from(metadata)?,
+                }),
+                None => None,
+            },
             processing_options: Some(ProcessingOptions {
                 is_subsequent_auth: true,
             }),
@@ -675,6 +718,12 @@ impl
             },
             customer: None,
             bill_to: None,
+            user_fields: match item.router_data.request.metadata.clone() {
+                Some(metadata) => Some(UserFields {
+                    user_field: Vec::<UserField>::foreign_try_from(metadata)?,
+                }),
+                None => None,
+            },
             processing_options: Some(ProcessingOptions {
                 is_subsequent_auth: true,
             }),
@@ -764,6 +813,12 @@ impl
                     zip: address.zip.clone(),
                     country: address.country,
                 }),
+            user_fields: match item.router_data.request.metadata.clone() {
+                Some(metadata) => Some(UserFields {
+                    user_field: Vec::<UserField>::foreign_try_from(metadata)?,
+                }),
+                None => None,
+            },
             processing_options: None,
             subsequent_auth_information: None,
             authorization_indicator_type: match item.router_data.request.capture_method {
@@ -815,6 +870,12 @@ impl
                     zip: address.zip.clone(),
                     country: address.country,
                 }),
+            user_fields: match item.router_data.request.metadata.clone() {
+                Some(metadata) => Some(UserFields {
+                    user_field: Vec::<UserField>::foreign_try_from(metadata)?,
+                }),
+                None => None,
+            },
             processing_options: None,
             subsequent_auth_information: None,
             authorization_indicator_type: match item.router_data.request.capture_method {