add login check for first request execution

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "delta-barth"
-version = "0.5.9dev1"
+version = "0.5.9dev2"
 description = "workflows and pipelines for the Python-based Plugin of Delta Barth's ERP system"
 authors = [
     {name = "Florian Förster", email = "f.foerster@d-opt.com"},
@@ -74,7 +74,7 @@ directory = "reports/coverage"
 
 
 [tool.bumpversion]
-current_version = "0.5.9dev1"
+current_version = "0.5.9dev2"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

src/delta_barth/api/requests.py

@@ -66,6 +66,11 @@ def get_sales_prognosis_data(
         BuchungsDatum=start_date,
     )
     empty_response = SalesPrognosisResponse(daten=tuple())
+    if not session.logged_in:
+        _, status = session.login()
+        if status != STATUS_HANDLER.SUCCESS:
+            return empty_response, status
+
     resp: Response | None = None
     try:
         for attempt in range(1, (MAX_LOGIN_RETRIES + 1)):

tests/api/test_requests.py

@@ -8,9 +8,8 @@ from delta_barth.api import requests as requests_
 
 @pytest.mark.api_con_required
 def test_get_sales_prognosis_data_Success(session):
-    resp, status = session.login()
+    # do not login: let routine do it
     # test without company ID
-    assert status.code == 0
     date = Datetime(2023, 12, 15)
     resp, status = requests_.get_sales_prognosis_data(session, None, date)
     assert status.code == 0