added fetchBillByBillId

src/main/java/com/billpaymentservice/bbps/controller/AgentController.java

@@ -6,6 +6,7 @@ import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
 import com.billpaymentservice.bbps.dto.ResponseModel;
+import com.billpaymentservice.bbps.dto.request.BillFetchByBillIdRequest;
 import com.billpaymentservice.bbps.dto.request.FetchBillRequest;
 import com.billpaymentservice.bbps.service.AgentService;
 
@@ -33,4 +34,20 @@ public class AgentController {
         ResponseModel response = agentService.initiateBillFetch(fetchBillRequest);
         return ResponseEntity.ok(response);
     }
+    
+    /**
+     * Fetches bill details from external BBPS service
+     */
+    @PostMapping(
+    	    value = "/fetchBillById",
+    	    consumes = MediaType.APPLICATION_JSON_VALUE,
+    	    produces = MediaType.APPLICATION_JSON_VALUE
+    	)
+    	public ResponseEntity<ResponseModel> fetchBillById(
+    	        @Validated @RequestBody  BillFetchByBillIdRequest billFetchByBillIdRequest) {
+
+    	    ResponseModel response = agentService.fetchBillById(billFetchByBillIdRequest);
+    	    return ResponseEntity.ok(response);
+    	}
+
 }