#

# 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.controllers.admin.repos

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

Repositories controller for Kallithea

This file was forked by the Kallithea project in July 2014.

Original author and date, and relevant copyright and licensing information is below:

:created_on: Apr 7, 2010

:author: marcink

:copyright: (c) 2013 RhodeCode GmbH, and others.

:license: GPLv3, see LICENSE.md for more details.

"""

import logging

import traceback

import formencode

from formencode import htmlfill

from tg import request, tmpl_context as c

from tg.i18n import ugettext as _

from sqlalchemy.sql.expression import func

from webob.exc import HTTPFound, HTTPInternalServerError, HTTPForbidden, HTTPNotFound

from kallithea.config.routing import url

from kallithea.lib import helpers as h

from kallithea.lib.auth import LoginRequired, \

    HasRepoPermissionLevelDecorator, NotAnonymous, HasPermissionAny

from kallithea.lib.base import BaseRepoController, render, jsonify

from kallithea.lib.utils import action_logger

from kallithea.lib.vcs import RepositoryError

from kallithea.model.meta import Session

from kallithea.model.db import User, Repository, UserFollowing, RepoGroup, \

    Setting, RepositoryField

from kallithea.model.forms import RepoForm, RepoFieldForm, RepoPermsForm

from kallithea.model.scm import ScmModel, AvailableRepoGroupChoices, RepoList

from kallithea.model.repo import RepoModel

from kallithea.lib.exceptions import AttachedForksError

from kallithea.lib.utils2 import safe_int

log = logging.getLogger(__name__)

class ReposController(BaseRepoController):

    """

    REST Controller styled on the Atom Publishing Protocol"""

    # To properly map this controller, ensure your config/routing.py

    # file has a resource setup:

    #     map.resource('repo', 'repos')

    @LoginRequired(allow_default_user=True)

    def _before(self, *args, **kwargs):

        super(ReposController, self)._before(*args, **kwargs)

    def _load_repo(self):

        repo_obj = c.db_repo

        if repo_obj is None:

            h.not_mapped_error(c.repo_name)

            raise HTTPFound(location=url('repos'))

        return repo_obj

    def __load_defaults(self, repo=None):

        top_perms = ['hg.create.repository']

        if HasPermissionAny('hg.create.write_on_repogroup.true')():

            repo_group_perm_level = 'write'

        else:

            repo_group_perm_level = 'admin'

        extras = [] if repo is None else [repo.group]

        c.repo_groups = AvailableRepoGroupChoices(top_perms, repo_group_perm_level, extras)

        c.landing_revs_choices, c.landing_revs = ScmModel().get_repo_landing_revs(repo)

    def __load_data(self):

        """

        Load defaults settings for edit, and update

        """

        c.repo_info = self._load_repo()

        self.__load_defaults(c.repo_info)

        defaults = RepoModel()._get_defaults(c.repo_name)

        defaults['clone_uri'] = c.repo_info.clone_uri_hidden # don't show password

        defaults['permanent_url'] = c.repo_info.clone_url(clone_uri_tmpl=c.clone_uri_tmpl, with_id=True)

        return defaults

    def index(self, format='html'):

        # the repo list will be filtered to only show repos where the user has read permissions

        # data used to render the grid

        c.data = repos_data

        return render('admin/repos/repos.html')

    @NotAnonymous()

    def create(self):

        self.__load_defaults()

        form_result = {}

        try:

            # CanWriteGroup validators checks permissions of this POST

            form_result = RepoForm(repo_groups=c.repo_groups,

                                   landing_revs=c.landing_revs_choices)() \

                            .to_python(dict(request.POST))

            # create is done sometimes async on celery, db transaction

            # management is handled there.

            task = RepoModel().create(form_result, request.authuser.user_id)

            task_id = task.task_id

        except formencode.Invalid as errors:

            log.info(errors)

            return htmlfill.render(

                render('admin/repos/repo_add.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                force_defaults=False,

                encoding="UTF-8")

        except Exception:

            log.error(traceback.format_exc())

            msg = (_('Error creating repository %s')

                   % form_result.get('repo_name'))

            h.flash(msg, category='error')

            raise HTTPFound(location=url('home'))

        raise HTTPFound(location=h.url('repo_creating_home',

                              repo_name=form_result['repo_name_full'],

                              task_id=task_id))

    @NotAnonymous()

    def create_repository(self):

        self.__load_defaults()

        if not c.repo_groups:

            raise HTTPForbidden

        parent_group = request.GET.get('parent_group')

        ## apply the defaults from defaults page

        defaults = Setting.get_default_repo_settings(strip_prefix=True)

        if parent_group:

            prg = RepoGroup.get(parent_group)

            if prg is None or not any(rgc[0] == prg.group_id

                                      for rgc in c.repo_groups):

                raise HTTPForbidden

            defaults.update({'repo_group': parent_group})

        return htmlfill.render(

            render('admin/repos/repo_add.html'),

            defaults=defaults,

            errors={},

            prefix_error=False,

            encoding="UTF-8",

            force_defaults=False)

    @LoginRequired()

    def repo_creating(self, repo_name):

        c.repo = repo_name

        c.task_id = request.GET.get('task_id')

        if not c.repo:

            raise HTTPNotFound()

        return render('admin/repos/repo_creating.html')

    @LoginRequired()

    @jsonify

    def repo_check(self, repo_name):

        c.repo = repo_name

        task_id = request.GET.get('task_id')

        if task_id and task_id not in ['None']:

            from kallithea import CELERY_ON

            from kallithea.lib import celerypylons

            if CELERY_ON:

                task = celerypylons.result.AsyncResult(task_id)

                if task.failed():

                    raise HTTPInternalServerError(task.traceback)

        repo = Repository.get_by_repo_name(repo_name)

        if repo and repo.repo_state == Repository.STATE_CREATED:

            if repo.clone_uri:

                h.flash(_('Created repository %s from %s')

                        % (repo.repo_name, repo.clone_uri_hidden), category='success')

            else:

                repo_url = h.link_to(repo.repo_name,

                                     h.url('summary_home',

                                           repo_name=repo.repo_name))

                fork = repo.fork