refactor: extract common functions to utils

- Add get_redis_client() to calendar_sync_utils.py
- Add get_advoware_employees() to calendar_sync_utils.py
- Add set_employee_lock() and clear_employee_lock() to calendar_sync_utils.py
- Update all step files to use shared utility functions
- Remove duplicate code across calendar_sync_*.py files

bitbylaw/steps/advoware_cal_sync/calendar_sync_all_step.py

@@ -2,6 +2,7 @@ import json
 import redis
 from config import Config
 from services.advoware import AdvowareAPI
+from .calendar_sync_utils import get_redis_client, get_advoware_employees, set_employee_lock
 
 config = {
     'type': 'event',
@@ -12,17 +13,6 @@ config = {
     'flows': ['advoware']
 }
 
-async def get_advoware_employees(context, advoware):
-    """Fetch list of employees from Advoware."""
-    try:
-        result = await advoware.api_call('api/v1/advonet/Mitarbeiter', method='GET', params={'aktiv': 'true'})
-        employees = result if isinstance(result, list) else []
-        context.logger.info(f"Fetched {len(employees)} Advoware employees")
-        return employees
-    except Exception as e:
-        context.logger.error(f"Failed to fetch Advoware employees: {e}")
-        raise
-
 async def handler(event_data, context):
     try:
         triggered_by = event_data.get('triggered_by', 'unknown')
@@ -32,7 +22,7 @@ async def handler(event_data, context):
         advoware = AdvowareAPI(context)
 
         # Fetch employees
-        employees = await get_advoware_employees(context, advoware)
+        employees = await get_advoware_employees(advoware, context)
         if not employees:
             context.logger.error("Keine Mitarbeiter gefunden. All-Sync abgebrochen.")
             return {'status': 500, 'body': {'error': 'Keine Mitarbeiter gefunden'}}
@@ -51,14 +41,9 @@ async def handler(event_data, context):
 
             employee_lock_key = f'calendar_sync_lock_{kuerzel}'
 
-            redis_client = redis.Redis(
-                host=Config.REDIS_HOST,
-                port=int(Config.REDIS_PORT),
-                db=int(Config.REDIS_DB_CALENDAR_SYNC),
-                socket_timeout=Config.REDIS_TIMEOUT_SECONDS
-            )
+            redis_client = get_redis_client(context)
 
-            if redis_client.set(employee_lock_key, triggered_by, ex=1800, nx=True) is None:
+            if not set_employee_lock(redis_client, kuerzel, triggered_by, context):
                 context.logger.info(f"Calendar Sync All: Sync bereits aktiv für {kuerzel}, überspringe")
                 continue