from flask import make_response, request, abort
from flask.views import View

from pycs import db
from pycs.database.Result import Result
from pycs.frontend.notifications.NotificationManager import NotificationManager


class RemoveResult(View):
    """
    removes a result from the database
    """
    # pylint: disable=arguments-differ
    methods = ['POST']


    def dispatch_request(self, result_id: int):
        # extract request data
        data = request.get_json(force=True)

        if 'remove' not in data or data['remove'] is not True:
            abort(400)

        # find result
        result = Result.query.get(result_id)
        if result is None:
            return abort(404)

        # start transaction
        with db.session.begin_nested():
            result.remove()

        NotificationManager.removed("result", result.serialize())
        return make_response()