product

db.py

@@ -0,0 +1,69 @@
+from logging_config import get_logger
+
+logger = get_logger(__name__)
+
+class OracleDB:
+    def __init__(self, connector):
+        self.connector = connector
+
+    def fetch_all(self, sql):
+        conn = cur = None
+        try:
+            conn = self.connector.get_connection()
+            cur = conn.cursor()
+            cur.execute(sql)
+            cols = [c[0] for c in cur.description]
+            return [dict(zip(cols, r)) for r in cur.fetchall()]
+        except Exception:
+            logger.error("Error executing fetch_all", exc_info=True)
+            raise
+        finally:
+            if cur:
+                cur.close()
+            if conn:
+                conn.close()
+
+    def execute(self, sql, params):
+        conn = cur = None
+        try:
+            conn = self.connector.get_connection()
+            cur = conn.cursor()
+            cur.execute(sql, params)
+            conn.commit()
+        except Exception:
+            if conn:
+                conn.rollback()
+            logger.error("Error executing SQL", exc_info=True)
+            raise
+        finally:
+            if cur:
+                cur.close()
+            if conn:
+                conn.close()
+
+    def call_procedure(self, proc_name):
+        conn = cur = None
+        try:
+            conn = self.connector.get_connection()
+            cur = conn.cursor()
+            logger.info("Calling stored procedure: %s", proc_name)
+            try:
+                cur.callproc(proc_name)
+            except Exception:
+                cur.execute(f"BEGIN {proc_name}; END;")
+            conn.commit()
+            logger.info("Stored procedure %s executed successfully", proc_name)
+            return True
+        except Exception as e:
+            logger.error(
+                "Stored procedure %s failed: %s",
+                proc_name,
+                str(e),
+                exc_info=True
+            )
+            return False
+        finally:
+            if cur:
+                cur.close()
+            if conn:
+                conn.close()