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# Copyright (C) 2018  Lars Wirzenius
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


import os
import shutil


class WorkspaceArea:

    def __init__(self):
        self._root = None

    def set_root(self, root):
        self._root = root

    def get_root(self):
        return self._root

    def clear(self):  # pragma: no cover
        names = os.listdir(self._root)
        for name in names:
            pathname = os.path.join(self._root, name)
            if os.path.isdir(pathname):
                shutil.rmtree(pathname)
            else:
                os.remove(pathname)

    def create_workspace(self, name):
        dirname = self.get_workspace_directory(name)
        if not os.path.exists(dirname):
            os.mkdir(dirname)
        ws = Workspace()
        ws.set_directory(dirname)
        return ws

    def get_workspace_directory(self, name):
        return os.path.join(self._root, name)


class Workspace:

    def __init__(self):
        self._dirname = None

    def set_directory(self, dirname):
        self._dirname = dirname

    def get_directory(self):
        return self._dirname

    def destroy(self):
        shutil.rmtree(self.get_directory())