refactor(connector): [itau] refactor error reason and code mapping fo…

…r itau (#5718)

Co-authored-by: Chikke Srujan <chikke.srujan@Chikke-Srujan-N7WRTY72X7.local>
Co-authored-by: hyperswitch-bot[bot] <148525504+hyperswitch-bot[bot]@users.noreply.github.com>

crates/router/src/connector/itaubank.rs

@@ -1,5 +1,7 @@
 pub mod transformers;
 
+use std::fmt::Write;
+
 use common_utils::types::{AmountConvertor, StringMajorUnit, StringMajorUnitForConnector};
 use error_stack::{report, ResultExt};
 use hyperswitch_interfaces::consts;
@@ -125,14 +127,34 @@ impl ConnectorCommon for Itaubank {
         event_builder.map(|i| i.set_response_body(&response));
         router_env::logger::info!(connector_response=?response);
 
+        let reason = response
+            .error
+            .violacoes
+            .map(|violacoes| {
+                violacoes.iter().try_fold(String::new(), |mut acc, error| {
+                    write!(
+                        acc,
+                        " razao - {}, propriedade - {}, valor - {};",
+                        error.razao, error.propriedade, error.valor
+                    )
+                    .change_context(errors::ConnectorError::ResponseDeserializationFailed)
+                    .attach_printable("Failed to concatenate error details")
+                    .map(|_| acc)
+                })
+            })
+            .transpose()?;
+
         Ok(ErrorResponse {
             status_code: res.status_code,
-            code: response.error.status.to_string(),
-            message: response
+            code: response
                 .error
                 .title
+                .unwrap_or(consts::NO_ERROR_CODE.to_string()),
+            message: response
+                .error
+                .detail
                 .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
-            reason: response.error.detail,
+            reason,
             attempt_status: None,
             connector_transaction_id: None,
         })
@@ -251,11 +273,13 @@ impl ConnectorIntegration<api::AccessTokenAuth, types::AccessTokenRequestData, t
 
         Ok(ErrorResponse {
             status_code: res.status_code,
-            code: response.status.to_string(),
+            code: response.title.unwrap_or(consts::NO_ERROR_CODE.to_string()),
             message: response
-                .title
+                .detail
+                .to_owned()
+                .or(response.user_message.to_owned())
                 .unwrap_or(consts::NO_ERROR_MESSAGE.to_string()),
-            reason: response.detail,
+            reason: response.detail.or(response.user_message),
             attempt_status: None,
             connector_transaction_id: None,
         })

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

@@ -196,10 +196,12 @@ pub struct ItaubankUpdateTokenResponse {
 }
 
 #[derive(Debug, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct ItaubankTokenErrorResponse {
     pub status: i64,
     pub title: Option<String>,
     pub detail: Option<String>,
+    pub user_message: Option<String>,
 }
 
 impl<F, T> TryFrom<types::ResponseRouterData<F, ItaubankUpdateTokenResponse, T, types::AccessToken>>
@@ -464,4 +466,12 @@ pub struct ItaubankErrorBody {
     pub status: u16,
     pub title: Option<String>,
     pub detail: Option<String>,
+    pub violacoes: Option<Vec<Violations>>,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct Violations {
+    pub razao: String,
+    pub propriedade: String,
+    pub valor: String,
 }