erp5_wendelin_telecom_ingestion: refactoring in data ingestion reference

bt5/erp5_wendelin_telecom_ingestion/SkinTemplateItem/portal_skins/erp5_wendelin_telecom/ingestionReferenceExists.py

 from DateTime import DateTime
+from Products.ERP5Type.Log import log
 
-# reference parameter example: telecom.MNE.filename.fif.EOF
-# ingestion reference example: telecom_MNE_filename_fif
-# ingestion id example:        telecom_MNE_filename_fif_20170615
+# reference parameter example: supplier.dataset.filename.fif.EOF
+# ingestion reference example: dataset_filename_fif
 
 FALSE = "FALSE"
 TRUE = "TRUE"
 
-today_string = DateTime().strftime('%Y%m%d')
 portal = context.getPortalObject()
 portal_catalog = portal.portal_catalog
 
-data_ingestion_reference = '_'.join(reference.split('_')[:-1]) #'_'.join(reference.split('.')[:-1])
-data_ingestion_id =  '%s_%s' %(data_ingestion_reference, today_string)
-
-# first search for applicable data ingestion
-data_ingestion = portal_catalog.getResultValue(
-  portal_type = 'Data Ingestion',
-  simulation_state = 'planned',
-  reference = data_ingestion_reference)
-
-if data_ingestion is None:
-  document = portal.data_ingestion_module.get(data_ingestion_id)
-  if (document is not None):
-    if document.getSimulationState() == 'planned':
-      return FALSE
-    else:
-      return TRUE
-  else:
+try:
+  context.logEntry("Attempt to do a new ingestion with reference: %s" % reference)
+
+  # remove supplier and eof from reference
+  data_ingestion_reference = '_'.join(reference.split('_')[1:-1])
+
+  data_ingestion = portal_catalog.getResultValue(
+    portal_type = 'Data Ingestion',
+    reference = data_ingestion_reference)
+
+  if data_ingestion is None:
     return FALSE
-else:
+
+  if data_ingestion.getSimulationState() == 'planned':
     return FALSE
+
+  context.logEntry("[ERROR] Data Ingestion reference %s already exists" % data_ingestion_reference)
+  return TRUE
+except Exception as e:
+  context.logEntry("[ERROR] At script ingestionReferenceExists  \n[ERROR] " + str(e))
+  raise e