def get_field_by_column_name(self, name):
"""Get field by column name
User can also define different name for each field to save in firestore
Check if user specify any different name then get field corresponding to
this db_column_name. If no column name is specify for field then just
return the same field name
Parameters
----------
name : str
column name (field name) coming form firestore
Raises
-------
FieldNotFound:
if field not found in model class and model config for `missing_field` is **raise_error**
"""
for field in self.field_list.values():
if name in [field.name, field.db_column_name]:
return field
if self.missing_field == 'merge':
f = fields.Field()
f.name = name
return f
if self.missing_field == 'ignore':
return None
if self.missing_field == 'raise_error':
raise FieldNotFound(
f'Field "{name}" not found in model "{cls.__name__}"')
def get_field(self, name):
"""Get model field from field list
Get field on the base of it's name can be accessible via `_meta`
like this **cls._meta.get_field(name)**
Parameters
---------
name:
Field name
Returns
------
Model field
Raises
------
FieldNotFound:
If field not found in model
"""
if name in self.field_list:
return self.field_list[name]
raise FieldNotFound(f'Field "{name}" not found in model "{cls.__name__}"')