PyCS/pycs/frontend/endpoints/projects/RemoveProject.py

import shutil

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

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


class RemoveProject(View):
    """
    remove a project from database and remove its directory
    """
    # pylint: disable=arguments-differ
    methods = ['POST']


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

        if not data.get('remove', False):
            return abort(400)

        # start transaction
        with db.session.begin_nested():
            # find project
            project = Project.query.get(identifier)
            if project is None:
                return abort(404, "Project not found")

            # remove model from database
            model = project.model
            model.remove(commit=False)

            # remove project from database
            project.remove(commit=False)

        # send update
        NotificationManager.removed("model", model.serialize())
        NotificationManager.removed("project", project.serialize())

        # remove from file system
        shutil.rmtree(project.root_folder)

        return make_response()