primer commit

hana_client.py

@@ -0,0 +1,155 @@
+
+from hdbcli import dbapi
+from config_loader import CONFIG
+
+###################################################
+def get_connection(schema):
+    """Crea y retorna una conexión a SAP HANA."""
+    try:
+        conn = dbapi.connect(
+            address=CONFIG.hana.server,
+            port=CONFIG.hana.port,
+            user=CONFIG.hana.user,
+            password=CONFIG.hana.password
+        )
+        return conn
+    except Exception as e:
+        print(f"❌ Error conectando a HANA para {schema}: {e}")
+        return None
+
+###################################################
+def obtener_registros():
+    """
+    Obtiene los documentos de los ultimos 'days' dias
+    Args:
+        company: Objeto con la configuracion de la base de datos
+        days: Numero de dias a consultar, entero positivo
+    Returns:
+        Lista de diccionarios con los documentos encontrados
+    Raises:
+        Exception: Si hay un error conectando a la base de datos
+    Example:
+        where DocDate >= ADD_DAYS(CURRENT_DATE, -{days})
+    """
+    hana_config = CONFIG.hana
+
+    db_name = hana_config.company
+
+    conn = get_connection(db_name)
+    if not conn:
+        return []
+
+    query = f"""
+    SELECT T0."DocEntry", T0."DocNum", T0."ObjType", T2."USER_CODE" "UserCode" 
+    FROM "{db_name}".ORDR T0 
+    INNER JOIN "{db_name}".OUSR T2 ON T2."USERID" = T0."UserSign"
+    WHERE T0."CANCELED" = 'N' AND T0."DocStatus" = 'O' 
+    AND T0."DocType" = 'I' 
+    AND IFNULL("U_SIS_IMPAUT",'N') = 'Y'
+    AND IFNULL("U_SIS_VIGREQ",'') <> ''
+    AND TO_VARCHAR(T0."CreateDate",'YYYYMMDD') = '20260528'
+    """
+
+    try:
+        cursor = conn.cursor()
+        cursor.execute(query)
+        
+        # Obtener nombres de columnas
+        columns = [column[0] for column in cursor.description]
+        
+        # Convertir resultados a lista de diccionarios
+        results = []
+        for row in cursor.fetchall():
+            results.append(dict(zip(columns, row)))
+            
+        cursor.close()
+        conn.close()
+        
+        print(f"📄 Se encontraron {len(results)} documentos para procesar.")
+        return results
+        
+    except Exception as e:
+        print(f"❌ Error ejecutando la consulta en HANA: {e}")
+        if 'conn' in locals():
+            conn.close()
+        return []
+
+###################################################
+def obtener_lotes_disponibles(itemcode:str,whscode:str):
+    hana_config = CONFIG.hana
+    
+    db_name = hana_config.company
+
+    conn = get_connection(db_name)
+    if not conn:
+        return []
+
+    query = f"""
+    SELECT T0."DistNumber", TO_VARCHAR(T0."InDate",'YYYY-MM-DD') "InDate",
+    TO_VARCHAR(T0."ExpDate",'YYYY-MM-DD') "ExpDate", 
+    T0."AbsEntry", T1."WhsCode", T1."Quantity", T1."CommitQty",
+    FLOOR(MONTHS_BETWEEN(CURRENT_DATE, T0."ExpDate")) "Months"
+    FROM "{db_name}".OBTN T0
+    INNER JOIN "{db_name}".OBTQ T1 ON T1."MdAbsEntry" = T0."AbsEntry"
+    WHERE T0."ItemCode" = '{itemcode}'
+    AND T1."WhsCode" = '{whscode}'
+    AND T1."Quantity" > 0.00
+    """
+
+    try:
+        cursor = conn.cursor()
+        cursor.execute(query)
+        
+        # Obtener nombres de columnas
+        columns = [column[0] for column in cursor.description]
+        
+        # Convertir resultados a lista de diccionarios
+        results = []
+        for row in cursor.fetchall():
+            results.append(dict(zip(columns, row)))
+            
+        cursor.close()
+        conn.close()
+        
+        return results
+        
+    except Exception as e:
+        print(f"❌ Error ejecutando la consulta en HANA: {e}")
+        if 'conn' in locals():
+            conn.close()
+        return []
+
+###################################################
+def obtener_presentacion_articulo(itemcode):
+    hana_config = CONFIG.hana
+    
+    db_name = hana_config.company
+
+    conn = get_connection(db_name)
+    if not conn:
+        return []
+
+    query = f"""
+    SELECT IFNULL(T0."U_SIS_PRECAJ",'100') "Presentacion"
+    FROM "{db_name}".OITM T0
+    WHERE T0."ItemCode" = '{itemcode}'
+    """
+
+    try:
+        cursor = conn.cursor()
+        cursor.execute(query)
+        
+        presentacion = cursor.fetchone()[0]
+            
+        cursor.close()
+        conn.close()
+        
+        return presentacion
+        
+    except Exception as e:
+        print(f"❌ Error ejecutando la consulta en HANA: {e}")
+        if 'conn' in locals():
+            conn.close()
+        return None
+
+###################################################