from .model import model
from .proxy import proxy
from .single_set_proxy import single_set_proxy
from .single_set_model import single_set_model
from .field_generator import field_generator
from .validators import validators
from .single_set_manager import single_set_manager
from .constants import constants

class category(single_set_model):
    """
    This class represents single category of items in application. Category
    must be an strincg, where all letters are small, Category name can also
    contains numbers, and "-", "_".

    Fields
    -------
    content : str 
        Content of the category.

    Methods
    -------
    get_proxy : class <single_set_proxy>
        Return proxy for that model.
    """

    content = field_generator.name()

    def _single_validator(self) -> callable:
        return validators.name

class category_manager(
    single_set_manager, 
    target_model = category, 
    related_models = constants.get_related_name("item")
):
    """
    This is manager for categories in app. It base on single set proxu, and
    for more informations, how to use it, see single_set_manager.
    """

    pass