# -*- coding: utf-8 -*-

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU 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 General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""

kallithea.lib.middleware.permanent_repo_url

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

middleware to handle permanent repo URLs, replacing PATH_INFO '/_123/yada' with

'/name/of/repo/yada' after looking 123 up in the database.

"""

class PermanentRepoUrl(object):

    def __init__(self, app, config):

        self.application = app

        self.config = config

    def __call__(self, environ, start_response):

        path_info = environ['PATH_INFO']

        if path_info.startswith('/'): # it must

            path_info = '/' + safe_str(fix_repo_id_name(path_info[1:]))

            environ['PATH_INFO'] = path_info

        return self.application(environ, start_response)