primer commit

sap_services.py

@@ -0,0 +1,77 @@
+import requests
+import json
+import traceback
+import sys  
+import sap_utilities
+from config_loader import CONFIG
+
+###################################################
+def login():
+    session = requests.Session()
+    
+    sl_config = CONFIG.service_layer
+    hana_config = CONFIG.hana
+    
+    body = {
+        "CompanyDB": hana_config.company,
+        "UserName": sl_config.username,
+        "Password": sl_config.password
+    }
+    try:
+        response = sap_utilities.post(session, "Login", body)
+        if response:
+            return session
+    except Exception as e:
+        print(f"❌ Error de conexión al SAP Service Layer (Login): {e}")
+        tb = traceback.extract_tb(sys.exc_info()[2])
+        print(tb[-1].name)
+    return None
+
+###################################################
+def logout(session):
+    try:
+        response = sap_utilities.post(session, "Logout")
+        if response:
+            return True
+    except Exception as e:
+        print(f"❌ Error de desconexión del SAP Service Layer (Logout): {e}")
+        tb = traceback.extract_tb(sys.exc_info()[2])
+        print(tb[-1].name)
+    return False
+
+###################################################
+def get_by_key(session, endpoint):
+
+    if not session:
+        print("❌ Error: No se pudo iniciar sesión en SAP Service Layer")
+        return None
+    
+    recurso = endpoint
+    
+    response = sap_utilities.get(session, recurso)
+    if response and response.status_code == 200:
+        return response.json()
+    
+    print(f"❌ Error obteniendo datos de {recurso}")
+
+    return None
+
+###################################################
+def update_document(session, recurso, body):
+
+    if not session:
+        print("❌ Error: No se pudo iniciar sesión en SAP Service Layer")
+        return None
+    
+    # print(f"  📤 [PATCH] Body enviado a {recurso}:")
+    # print(json.dumps(body, indent=2, default=str))
+    response = sap_utilities.patch(session, recurso, body)
+    if response and response.status_code == 204:
+        return response
+    
+    status = response.status_code if response is not None else "Sin respuesta (None)"
+    print(f"❌ Error actualizando documento en SAP Service Layer: HTTP {status}")
+
+    return None    
+
+###################################################