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from typing import List, Optional, Union

from airflow.models import BaseOperator
from airflow.providers.dingding.hooks.dingding import DingdingHook
from airflow.utils.decorators import apply_defaults


class DingdingOperator(BaseOperator):
    """
    This operator allows you send Dingding message using Dingding custom bot.
    Get Dingding token from conn_id.password. And prefer set domain to
    conn_id.host, if not will use default ``https://oapi.dingtalk.com``.

    For more detail message in
    `Dingding custom bot <https://open-doc.dingtalk.com/microapp/serverapi2/qf2nxq>`_

    :param dingding_conn_id: The name of the Dingding connection to use
    :type dingding_conn_id: str
    :param message_type: Message type you want to send to Dingding, support five type so far
        including text, link, markdown, actionCard, feedCard
    :type message_type: str
    :param message: The message send to Dingding chat group
    :type message: str or dict
    :param at_mobiles: Remind specific users with this message
    :type at_mobiles: list[str]
    :param at_all: Remind all people in group or not. If True, will overwrite ``at_mobiles``
    :type at_all: bool
    """

    template_fields = ('message',)
    ui_color = '#4ea4d4'  # Dingding icon color

    @apply_defaults
    def __init__(
        self,
        *,
        dingding_conn_id: str = 'dingding_default',
        message_type: str = 'text',
        message: Union[str, dict, None] = None,
        at_mobiles: Optional[List[str]] = None,
        at_all: bool = False,
        **kwargs,
    ) -> None:
        super().__init__(**kwargs)
        self.dingding_conn_id = dingding_conn_id
        self.message_type = message_type
        self.message = message
        self.at_mobiles = at_mobiles
        self.at_all = at_all

    def execute(self, context) -> None:
        self.log.info('Sending Dingding message.')
        hook = DingdingHook(
            self.dingding_conn_id, self.message_type, self.message, self.at_mobiles, self.at_all
        )
        hook.send()
