33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
from wtforms import SelectField, FieldList as WTFFieldList, Form
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from wtforms.fields import Field
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from ..model import db
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class FieldList(WTFFieldList):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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def get_template(self) -> Field:
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class CustomForm(Form):
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custom = self.unbound_field
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return CustomForm().custom
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class ModelFieldList(FieldList):
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def __init__(self, *args, **kwargs):
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self.model = kwargs.pop("model", None)
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self.modify = kwargs.pop("modify", True)
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super(ModelFieldList, self).__init__(*args, **kwargs)
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if not self.model:
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raise ValueError("ModelFieldList requires model to be set")
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def populate_obj(self, obj: object, name: str) -> None:
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while len(getattr(obj, name)) < len(self.entries):
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newModel = self.model()
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db.session.add(newModel)
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getattr(obj, name).append(newModel)
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while len(getattr(obj, name)) > len(self.entries):
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db.session.delete(getattr(obj, name).pop())
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super(ModelFieldList, self).populate_obj(obj, name)
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