76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
"""
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Project: PARTS Website
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Author: Edward Middleton-Smith
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Precision And Research Technology Systems Limited
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Technology: Backend
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Feature: Form Base and Meta Classes - data input
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Description:
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Defines Flask-WTF base forms for handling user input.
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"""
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# internal
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from helpers.helper_app import Helper_App
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# external
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from flask_wtf import FlaskForm
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from abc import ABCMeta, abstractmethod
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from wtforms import SelectField, BooleanField, SubmitField
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from wtforms.validators import InputRequired, NumberRange, Regexp, DataRequired, Optional
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class Form_Base_Meta(type(FlaskForm), ABCMeta):
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pass
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class Form_Base(FlaskForm, metaclass=Form_Base_Meta):
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@classmethod
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@abstractmethod
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def from_json(cls, json):
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Helper_App.console_log(f'Error: Parent classes of {cls.__qualname__} must define cls.from_json')
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@classmethod
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def get_default(cls):
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return cls()
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@classmethod
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def get_select_option_blank(cls, is_valid = True):
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value = cls.get_select_valid_option_default_value() if is_valid else cls.get_select_invalid_option_default_value()
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return (value, 'Select')
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@classmethod
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def get_select_option_all(cls):
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return (cls.get_select_valid_option_default_value(), 'All')
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@staticmethod
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def get_select_valid_option_default_value():
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return '0'
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@staticmethod
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def get_select_invalid_option_default_value():
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return ''
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def __repr__(self):
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fields = ', '.join(
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f"{name}={field.data}" for name, field in self._fields.items()
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)
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return f"{self.__class__.__name__}({fields})"
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'''
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class Filters_Stored_Procedure_Base(Form_Base):
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"""
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@abstractmethod
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def __repr__(self):
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pass
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@classmethod
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@abstractmethod
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def from_json(cls, json):
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pass
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"""
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@abstractmethod
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def to_json(self):
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pass
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'''
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class Form_Filters_User(FlaskForm):
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active = BooleanField('Active only?', default = True)
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id_user = SelectField('User ID', validators=[Optional()], choices=[]) |