added validation to consider only ipks mirror account numbers

db/repository.py

@@ -19,26 +19,67 @@ class Repository:
         """Initialize repository with connector."""
         self.connector = get_connector()
 
-    def bulk_insert_transactions(self, transactions: List[TransactionRecord]) -> int:
+    def validate_account_exists(self, account_number: str) -> bool:
         """
-        Bulk insert transaction records into ach_api_log_temp git.
+        Validate if account number exists in dep_account table.
+
+        Args:
+            account_number: Account number to validate (cbs_acct)
+
+        Returns:
+            True if account exists in dep_account.link_accno, False otherwise
+        """
+        conn = self.connector.get_connection()
+        try:
+            cursor = conn.cursor()
+            cursor.execute(
+                "SELECT COUNT(*) FROM dep_account WHERE link_accno = :accno",
+                {'accno': account_number}
+            )
+            count = cursor.fetchone()[0]
+            return count > 0
+        except Exception as e:
+            logger.warning(f"Error validating account {account_number}: {e}")
+            return False
+        finally:
+            cursor.close()
+            conn.close()
+
+    def bulk_insert_transactions(self, transactions: List[TransactionRecord]) -> tuple:
+        """
+        Bulk insert transaction records into ach_api_log.
+        Records with invalid account numbers are silently skipped.
 
         Args:
             transactions: List of TransactionRecord objects
 
         Returns:
-            Number of inserted records
+            Tuple of (inserted_count, skipped_count)
         """
         if not transactions:
             logger.warning("No transactions to insert")
-            return 0
+            return 0, 0
+
+        # Validate accounts and filter out invalid ones
+        valid_transactions = []
+        skipped_count = 0
+
+        for txn in transactions:
+            if self.validate_account_exists(txn.cbs_acct):
+                valid_transactions.append(txn)
+            else:
+                skipped_count += 1
+
+        if not valid_transactions:
+            logger.info(f"All {skipped_count} transactions skipped (invalid accounts)")
+            return 0, skipped_count
 
         conn = self.connector.get_connection()
         try:
             cursor = conn.cursor()
 
             # Prepare batch data
-            batch_data = [txn.to_dict() for txn in transactions]
+            batch_data = [txn.to_dict() for txn in valid_transactions]
 
             # Execute batch insert
             insert_sql = """
@@ -54,9 +95,9 @@ class Repository:
             cursor.executemany(insert_sql, batch_data)
             conn.commit()
 
-            count = len(transactions)
-            logger.info(f"Successfully inserted {count} transactions into ach_api_log_temp")
-            return count
+            inserted_count = len(valid_transactions)
+            logger.info(f"Inserted {inserted_count} transactions, skipped {skipped_count} (invalid accounts)")
+            return inserted_count, skipped_count
 
         except Exception as e:
             conn.rollback()