def is_exist(document: Document,
exp_message: Text = None,
raise_error=True,
*args,
**kwargs):
"""
check if document exist
:param document: document type
:param exp_message: exception message
:param raise_error: boolean to raise exception
:param kwargs: filter parameters
:return: boolean
"""
doc = document.objects(**kwargs)
if doc.__len__():
if raise_error:
if Utility.check_empty_string(exp_message):
raise AppException("Exception message cannot be empty")
raise AppException(exp_message)
else:
return True
else:
if not raise_error:
return False
def is_exist(
document: Document, query: Dict, exp_message: Text = None, raise_error=True,
):
doc = document.objects(status=True, __raw__=query)
if doc.__len__():
if raise_error:
if Utility.check_empty_string(exp_message):
raise AppException("Exception message cannot be empty")
raise AppException(exp_message)
else:
return True
else:
if not raise_error:
return False
def retrieve_field_values(document: Document, field: str, *args, **kwargs):
"""
Retrieve particular fields in document if exists, else returns None.
This should only be used when the field is a required field in the document.
:param document: document type
:param field: field to retrieve from documents
:param kwargs: filter parameters
:return: list of values for a particular field if document exists else None
"""
documents = document.objects(args, **kwargs)
values = None
if documents.__len__():
values = [getattr(doc, field) for doc in documents]
return values
def is_exist(document: Document,
exp_message: Text = None,
raise_error=True,
*args,
**kwargs):
doc = document.objects(**kwargs)
if doc.__len__():
if raise_error:
if Utility.check_empty_string(exp_message):
raise AppException("Exception message cannot be empty")
raise AppException(exp_message)
else:
return True
else:
if not raise_error:
return False