# -*- 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.controllers.admin.repo_groups

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

Repository groups 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: Mar 23, 2010

:author: marcink

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

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

"""

import logging

import traceback

import formencode

import itertools

from formencode import htmlfill

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons.i18n.translation import _, ungettext

import kallithea

from kallithea.lib import helpers as h

from kallithea.lib.compat import json

from kallithea.lib.auth import LoginRequired, HasPermissionAnyDecorator,\

    HasRepoGroupPermissionAnyDecorator, HasRepoGroupPermissionAll,\

    HasPermissionAll

from kallithea.lib.base import BaseController, render

from kallithea.model.db import RepoGroup, Repository

from kallithea.model.scm import RepoGroupList

from kallithea.model.repo_group import RepoGroupModel

from kallithea.model.forms import RepoGroupForm, RepoGroupPermsForm

from kallithea.model.meta import Session

from kallithea.model.repo import RepoModel

from webob.exc import HTTPInternalServerError, HTTPNotFound

from kallithea.lib.utils2 import safe_int

from sqlalchemy.sql.expression import func

log = logging.getLogger(__name__)

class RepoGroupsController(BaseController):

    @LoginRequired()

    def __before__(self):

        super(RepoGroupsController, self).__before__()

    def __load_defaults(self, allow_empty_group=False, exclude_group_ids=[]):

        if HasPermissionAll('hg.admin')('group edit'):

            #we're global admin, we're ok and we can create TOP level groups

            allow_empty_group = True

        #override the choices for this form, we need to filter choices

        #and display only those we have ADMIN right

        groups_with_admin_rights = RepoGroupList(RepoGroup.query().all(),

                                                 perm_set=['group.admin'])

        c.repo_groups = RepoGroup.groups_choices(groups=groups_with_admin_rights,

                                                 show_empty_group=allow_empty_group)

        # exclude filtered ids

        c.repo_groups = filter(lambda x: x[0] not in exclude_group_ids,

                               c.repo_groups)

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.user_groups_array = repo_model.get_user_groups_js()

    def __load_data(self, group_id):

        """

        Load defaults settings for edit, and update

        :param group_id:

        """

        repo_group = RepoGroup.get_or_404(group_id)

        data = repo_group.get_dict()

        data['group_name'] = repo_group.name

        # fill repository group users

        for p in repo_group.repo_group_to_perm:

            data.update({'u_perm_%s' % p.user.username:

                             p.permission.permission_name})

        # fill repository group groups

        for p in repo_group.users_group_to_perm:

            data.update({'g_perm_%s' % p.users_group.users_group_name:

                             p.permission.permission_name})

        return data

    def _revoke_perms_on_yourself(self, form_result):

        _up = filter(lambda u: c.authuser.username == u[0],

                     form_result['perms_updates'])

        _new = filter(lambda u: c.authuser.username == u[0],

                      form_result['perms_new'])

        if _new and _new[0][1] != 'group.admin' or _up and _up[0][1] != 'group.admin':

            return True

        return False

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

        """GET /repo_groups: All items in the collection"""

        # url('repos_groups')

        _list = RepoGroup.query()\

                    .order_by(func.lower(RepoGroup.group_name))\

                    .all()

        group_iter = RepoGroupList(_list, perm_set=['group.admin'])

        repo_groups_data = []

        total_records = len(group_iter)

        _tmpl_lookup = kallithea.CONFIG['pylons.app_globals'].mako_lookup

        template = _tmpl_lookup.get_template('data_table/_dt_elements.html')

        repo_group_name = lambda repo_group_name, children_groups: (

            template.get_def("repo_group_name")

            .render(repo_group_name, children_groups, _=_, h=h, c=c)

        )

        repo_group_actions = lambda repo_group_id, repo_group_name, gr_count: (

            template.get_def("repo_group_actions")

            .render(repo_group_id, repo_group_name, gr_count, _=_, h=h, c=c,

                    ungettext=ungettext)

        )

        for repo_gr in group_iter:

            children_groups = map(h.safe_unicode,

                itertools.chain((g.name for g in repo_gr.parents),

                                (x.name for x in [repo_gr])))

            repo_count = repo_gr.repositories.count()

            repo_groups_data.append({

                "raw_name": repo_gr.group_name,

                "group_name": repo_group_name(repo_gr.group_name, children_groups),

                "desc": h.escape(repo_gr.group_description),

                "repos": repo_count,

                "owner": h.person(repo_gr.user),

                "action": repo_group_actions(repo_gr.group_id, repo_gr.group_name,

                                             repo_count)

            })

        c.data = json.dumps({

            "totalRecords": total_records,

            "startIndex": 0,

            "sort": None,

            "dir": "asc",

            "records": repo_groups_data

        })

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

    def create(self):

        """POST /repo_groups: Create a new item"""

        # url('repos_groups')

        self.__load_defaults()

        # permissions for can create group based on parent_id are checked

        # here in the Form

        repo_group_form = RepoGroupForm(available_groups=

        try:

            form_result = repo_group_form.to_python(dict(request.POST))

            RepoGroupModel().create(

                group_name=form_result['group_name'],

                group_description=form_result['group_description'],

                parent=form_result['group_parent_id'],

                owner=self.authuser.user_id,

                copy_permissions=form_result['group_copy_permissions']

            )

            Session().commit()

            h.flash(_('Created repository group %s') \

                    % form_result['group_name'], category='success')

            #TODO: in futureaction_logger(, '', '', '', self.sa)

        except formencode.Invalid, errors:

            return htmlfill.render(

                render('admin/repo_groups/repo_group_add.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during creation of repository group %s') \

                    % request.POST.get('group_name'), category='error')

        parent_group_id = form_result['group_parent_id']

        #TODO: maybe we should get back to the main view, not the admin one

        return redirect(url('repos_groups', parent_group=parent_group_id))

    def new(self):

        """GET /repo_groups/new: Form to create a new item"""

        # url('new_repos_group')

        if HasPermissionAll('hg.admin')('group create'):

            #we're global admin, we're ok and we can create TOP level groups

            pass

        else:

            # we pass in parent group into creation form, thus we know

            # what would be the group, we can check perms here !

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

            group = RepoGroup.get(group_id) if group_id else None

            group_name = group.group_name if group else None

            if HasRepoGroupPermissionAll('group.admin')(group_name, 'group create'):

                pass

            else:

                return abort(403)

        self.__load_defaults()

        return render('admin/repo_groups/repo_group_add.html')

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def update(self, group_name):

        """PUT /repo_groups/group_name: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repos_group', group_name=GROUP_NAME),

        #           method='put')

        # url('repos_group', group_name=GROUP_NAME)

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        if HasPermissionAll('hg.admin')('group edit'):

            #we're global admin, we're ok and we can create TOP level groups

            allow_empty_group = True

        elif not c.repo_group.parent_group:

            allow_empty_group = True

        else:

            allow_empty_group = False

        self.__load_defaults(allow_empty_group=allow_empty_group,

                             exclude_group_ids=[c.repo_group.group_id])

        repo_group_form = RepoGroupForm(

            edit=True,

            old_data=c.repo_group.get_dict(),

            available_groups=c.repo_groups_choices,

            can_create_in_root=allow_empty_group,

        )()

        try:

            form_result = repo_group_form.to_python(dict(request.POST))

            new_gr = RepoGroupModel().update(group_name, form_result)

            Session().commit()

            h.flash(_('Updated repository group %s') \

                    % form_result['group_name'], category='success')

            # we now have new name !

            group_name = new_gr.group_name

            #TODO: in future action_logger(, '', '', '', self.sa)

        except formencode.Invalid, errors:

            return htmlfill.render(

                render('admin/repo_groups/repo_group_edit.html'),

                defaults=errors.value,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during update of repository group %s') \

                    % request.POST.get('group_name'), category='error')

        return redirect(url('edit_repo_group', group_name=group_name))

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def delete(self, group_name):

        """DELETE /repo_groups/group_name: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repos_group', group_name=GROUP_NAME),

        #           method='delete')

        # url('repos_group', group_name=GROUP_NAME)

        gr = c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        repos = gr.repositories.all()

        if repos:

            h.flash(_('This group contains %s repositories and cannot be '

                      'deleted') % len(repos), category='warning')

            return redirect(url('repos_groups'))

        children = gr.children.all()

        if children:

            h.flash(_('This group contains %s subgroups and cannot be deleted'

                      % (len(children))), category='warning')

            return redirect(url('repos_groups'))

        try:

            RepoGroupModel().delete(group_name)

            Session().commit()

            h.flash(_('Removed repository group %s') % group_name,

                    category='success')

            #TODO: in future action_logger(, '', '', '', self.sa)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during deletion of repository group %s')

                    % group_name, category='error')

        if gr.parent_group:

            return redirect(url('repos_group_home', group_name=gr.parent_group.group_name))

        return redirect(url('repos_groups'))

    def show_by_name(self, group_name):

        """

        This is a proxy that does a lookup group_name -> id, and shows

        the group by id view instead

        """

        group_name = group_name.rstrip('/')

        id_ = RepoGroup.get_by_group_name(group_name)

        if id_:

            return self.show(group_name)

        raise HTTPNotFound

    @HasRepoGroupPermissionAnyDecorator('group.read', 'group.write',

                                         'group.admin')

    def show(self, group_name):

        """GET /repo_groups/group_name: Show a specific item"""

        # url('repos_group', group_name=GROUP_NAME)

        c.active = 'settings'

        c.group = c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        c.group_repos = c.group.repositories.all()

        #overwrite our cached list with current filter

        c.repo_cnt = 0

        groups = RepoGroup.query().order_by(RepoGroup.group_name)\

            .filter(RepoGroup.group_parent_id == c.group.group_id).all()

        c.groups = self.scm_model.get_repo_groups(groups)

        c.repos_list = Repository.query()\

                        .filter(Repository.group_id == c.group.group_id)\

                        .order_by(func.lower(Repository.repo_name))\

                        .all()

        repos_data = RepoModel().get_repos_as_dict(repos_list=c.repos_list,

                                                   admin=False)

        #json used to render the grid

        c.data = json.dumps(repos_data)

        return render('admin/repo_groups/repo_group_show.html')

    @HasRepoGroupPermissionAnyDecorator('group.admin')

    def edit(self, group_name):

        """GET /repo_groups/group_name/edit: Form to edit an existing item"""

        # url('edit_repo_group', group_name=GROUP_NAME)

        c.active = 'settings'

        c.repo_group = RepoGroupModel()._get_repo_group(group_name)

        #we can only allow moving empty group if it's already a top-level

        #group, ie has no parents, or we're admin

        if HasPermissionAll('hg.admin')('group edit'):

            #we're global admin, we're ok and we can create TOP level groups

            allow_empty_group = True

# -*- 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.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 webob.exc import HTTPInternalServerError, HTTPForbidden, HTTPNotFound

from pylons import request, tmpl_context as c, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

from sqlalchemy.sql.expression import func

from kallithea.lib import helpers as h

from kallithea.lib.auth import LoginRequired, HasPermissionAllDecorator, \

    HasRepoPermissionAllDecorator, NotAnonymous, HasPermissionAny, \

    HasRepoGroupPermissionAny, HasRepoPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

from kallithea.lib.utils import action_logger, repo_name_slug, jsonify

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, RepoGroupList, RepoList

from kallithea.model.repo import RepoModel

from kallithea.lib.compat import json

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()

    def __before__(self):

        super(ReposController, self).__before__()

    def _load_repo(self, repo_name):

        repo_obj = Repository.get_by_repo_name(repo_name)

        if repo_obj is None:

            h.not_mapped_error(repo_name)

            return redirect(url('repos'))

        return repo_obj

    def __load_defaults(self, repo=None):

        acl_groups = RepoGroupList(RepoGroup.query().all(),

                               perm_set=['group.write', 'group.admin'])

        c.repo_groups = RepoGroup.groups_choices(groups=acl_groups)

        # in case someone no longer have a group.write access to a repository

        # pre fill the list with this entry, we don't care if this is the same

        # but it will allow saving repo data properly.

        repo_group = None

        if repo:

            repo_group = repo.group

            c.repo_groups.append(RepoGroup._generate_choice(repo_group))

        choices, c.landing_revs = ScmModel().get_repo_landing_revs()

        c.landing_revs_choices = choices

    def __load_data(self, repo_name=None):

        """

        Load defaults settings for edit, and update

        :param repo_name:

        """

        c.repo_info = self._load_repo(repo_name)

        self.__load_defaults(c.repo_info)

        ##override defaults for exact repo info here git/hg etc

        choices, c.landing_revs = ScmModel().get_repo_landing_revs(c.repo_info)

        c.landing_revs_choices = choices

        defaults = RepoModel()._get_defaults(repo_name)

        return defaults

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

        """GET /repos: All items in the collection"""

        # url('repos')

        _list = Repository.query()\

                        .order_by(func.lower(Repository.repo_name))\

                        .all()

        c.repos_list = RepoList(_list, perm_set=['repository.admin'])

        repos_data = RepoModel().get_repos_as_dict(repos_list=c.repos_list,

                                                   admin=True,

                                                   super_user_actions=True)

        #json used to render the grid

        c.data = json.dumps(repos_data)

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

    @NotAnonymous()

    def create(self):

        """

        POST /repos: Create a new item"""

        # url('repos')

        self.__load_defaults()

        form_result = {}

        task_id = None

        try:

            # CanWriteGroup validators checks permissions of this POST

            form_result = RepoForm(repo_groups=c.repo_groups_choices,

                                   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, self.authuser.user_id)

            from celery.result import BaseAsyncResult

            if isinstance(task, BaseAsyncResult):

                task_id = task.task_id

        except formencode.Invalid, 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')

            return redirect(url('home'))

        return redirect(h.url('repo_creating_home',

                              repo_name=form_result['repo_name_full'],

                              task_id=task_id))

    @NotAnonymous()

    def create_repository(self):

        """GET /_admin/create_repository: Form to create a new item"""

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

        if not HasPermissionAny('hg.admin', 'hg.create.repository')():

            #you're not super admin nor have global create permissions,

            #but maybe you have at least write permission to a parent group ?

            _gr = RepoGroup.get(parent_group)

            gr_name = _gr.group_name if _gr else None

            # create repositories with write permission on group is set to true

            create_on_write = HasPermissionAny('hg.create.write_on_repogroup.true')()

            group_admin = HasRepoGroupPermissionAny('group.admin')(group_name=gr_name)

            group_write = HasRepoGroupPermissionAny('group.write')(group_name=gr_name)

            if not (group_admin or (group_write and create_on_write)):

                raise HTTPForbidden

        acl_groups = RepoGroupList(RepoGroup.query().all(),

                               perm_set=['group.write', 'group.admin'])

        c.repo_groups = RepoGroup.groups_choices(groups=acl_groups)

        choices, c.landing_revs = ScmModel().get_repo_landing_revs()

        ## apply the defaults from defaults page

        defaults = Setting.get_default_repo_settings(strip_prefix=True)

        if parent_group:

            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()

    @NotAnonymous()

    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()

    @NotAnonymous()

    @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 celery.result import AsyncResult

            if CELERY_ON:

                task = 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:

                clone_uri = repo.clone_uri_hidden

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

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

            else:

                repo_url = h.link_to(repo.repo_name,

                                     h.url('summary_home',

                                           repo_name=repo.repo_name))

                fork = repo.fork

                if fork:

                    fork_name = fork.repo_name

                    h.flash(h.literal(_('Forked repository %s as %s')

                            % (fork_name, repo_url)), category='success')

                else:

                    h.flash(h.literal(_('Created repository %s') % repo_url),

                            category='success')

            return {'result': True}

        return {'result': False}

    @HasRepoPermissionAllDecorator('repository.admin')

    def update(self, repo_name):

        """

        PUT /repos/repo_name: Update an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="PUT" />

        # Or using helpers:

        #    h.form(url('repo', repo_name=ID),

        #           method='put')

        # url('repo', repo_name=ID)

        c.repo_info = self._load_repo(repo_name)

        c.active = 'settings'

        c.repo_fields = RepositoryField.query()\

            .filter(RepositoryField.repository == c.repo_info).all()

        self.__load_defaults(c.repo_info)

        repo_model = RepoModel()

        changed_name = repo_name

        #override the choices with extracted revisions !

        choices, c.landing_revs = ScmModel().get_repo_landing_revs(repo_name)

        c.landing_revs_choices = choices

        repo = Repository.get_by_repo_name(repo_name)

        old_data = {

            'repo_name': repo_name,

            'repo_group': repo.group.get_dict() if repo.group else {},

            'repo_type': repo.repo_type,

        }

        _form = RepoForm(edit=True, old_data=old_data,

                         repo_groups=c.repo_groups_choices,

                         landing_revs=c.landing_revs_choices)()

        try:

            form_result = _form.to_python(dict(request.POST))

            repo = repo_model.update(repo_name, **form_result)

            ScmModel().mark_for_invalidation(repo_name)

            h.flash(_('Repository %s updated successfully') % repo_name,

                    category='success')

            changed_name = repo.repo_name

            action_logger(self.authuser, 'admin_updated_repo',

                              changed_name, self.ip_addr, self.sa)

            Session().commit()

        except formencode.Invalid, errors:

            log.info(errors)

            defaults = self.__load_data(repo_name)

            defaults.update(errors.value)

            c.users_array = repo_model.get_users_js()

            return htmlfill.render(

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

                defaults=defaults,

                errors=errors.error_dict or {},

                prefix_error=False,

                encoding="UTF-8",

                force_defaults=False)

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('Error occurred during update of repository %s') \

                    % repo_name, category='error')

        return redirect(url('edit_repo', repo_name=changed_name))

    @HasRepoPermissionAllDecorator('repository.admin')

    def delete(self, repo_name):

        """

        DELETE /repos/repo_name: Delete an existing item"""

        # Forms posted to this method should contain a hidden field:

        #    <input type="hidden" name="_method" value="DELETE" />

        # Or using helpers:

        #    h.form(url('repo', repo_name=ID),

        #           method='delete')

        # url('repo', repo_name=ID)

        repo_model = RepoModel()

        repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

            h.not_mapped_error(repo_name)

            return redirect(url('repos'))

        try:

            _forks = repo.forks.count()

            handle_forks = None

            if _forks and request.POST.get('forks'):

                do = request.POST['forks']

                if do == 'detach_forks':

                    handle_forks = 'detach'

                    h.flash(_('Detached %s forks') % _forks, category='success')

                elif do == 'delete_forks':

                    handle_forks = 'delete'

                    h.flash(_('Deleted %s forks') % _forks, category='success')

            repo_model.delete(repo, forks=handle_forks)

            action_logger(self.authuser, 'admin_deleted_repo',

                  repo_name, self.ip_addr, self.sa)

            ScmModel().mark_for_invalidation(repo_name)

            h.flash(_('Deleted repository %s') % repo_name, category='success')

            Session().commit()

        except AttachedForksError:

            h.flash(_('Cannot delete %s it still contains attached forks')

                        % repo_name, category='warning')

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during deletion of %s') % repo_name,

                    category='error')

        if repo.group:

            return redirect(url('repos_group_home', group_name=repo.group.group_name))

        return redirect(url('repos'))

    @HasPermissionAllDecorator('hg.admin')

    def show(self, repo_name, format='html'):

        """GET /repos/repo_name: Show a specific item"""

        # url('repo', repo_name=ID)

    @HasRepoPermissionAllDecorator('repository.admin')

    def edit(self, repo_name):

        """GET /repo_name/settings: Form to edit an existing item"""

        # url('edit_repo', repo_name=ID)

        defaults = self.__load_data(repo_name)

        if 'clone_uri' in defaults:

            del defaults['clone_uri']

        c.repo_fields = RepositoryField.query()\

            .filter(RepositoryField.repository == c.repo_info).all()

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.active = 'settings'

        return htmlfill.render(

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

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False)

    @HasRepoPermissionAllDecorator('repository.admin')

    def edit_permissions(self, repo_name):

# -*- 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.controllers.forks

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

forks 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 23, 2011

:author: marcink

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

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

"""

import logging

import formencode

import traceback

from formencode import htmlfill

from pylons import tmpl_context as c, request, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

import kallithea.lib.helpers as h

from kallithea.lib.helpers import Page

from kallithea.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator, \

    NotAnonymous, HasRepoPermissionAny, HasPermissionAnyDecorator

from kallithea.lib.base import BaseRepoController, render

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

    Ui

from kallithea.model.repo import RepoModel

from kallithea.model.forms import RepoForkForm

from kallithea.model.scm import ScmModel, RepoGroupList

from kallithea.lib.utils2 import safe_int

log = logging.getLogger(__name__)

class ForksController(BaseRepoController):

    def __before__(self):

        super(ForksController, self).__before__()

    def __load_defaults(self):

        acl_groups = RepoGroupList(RepoGroup.query().all(),

                               perm_set=['group.write', 'group.admin'])

        c.repo_groups = RepoGroup.groups_choices(groups=acl_groups)

        choices, c.landing_revs = ScmModel().get_repo_landing_revs()

        c.landing_revs_choices = choices

        c.can_update = Ui.get_by_key(Ui.HOOK_UPDATE).ui_active

    def __load_data(self, repo_name=None):

        """

        Load defaults settings for edit, and update

        :param repo_name:

        """

        self.__load_defaults()

        c.repo_info = db_repo = Repository.get_by_repo_name(repo_name)

        repo = db_repo.scm_instance

        if c.repo_info is None:

            h.not_mapped_error(repo_name)

            return redirect(url('repos'))

        c.default_user_id = User.get_default_user().user_id

        c.in_public_journal = UserFollowing.query()\

            .filter(UserFollowing.user_id == c.default_user_id)\

            .filter(UserFollowing.follows_repository == c.repo_info).scalar()

        if c.repo_info.stats:

            last_rev = c.repo_info.stats.stat_on_revision+1

        else:

            last_rev = 0

        c.stats_revision = last_rev

        c.repo_last_rev = repo.count() if repo.revisions else 0

        if last_rev == 0 or c.repo_last_rev == 0:

            c.stats_percentage = 0

        else:

            c.stats_percentage = '%.2f' % ((float((last_rev)) /

                                            c.repo_last_rev) * 100)

        defaults = RepoModel()._get_defaults(repo_name)

        # alter the description to indicate a fork

        defaults['description'] = ('fork of repository: %s \n%s'

                                   % (defaults['repo_name'],

                                      defaults['description']))

        # add suffix to fork

        defaults['repo_name'] = '%s-fork' % defaults['repo_name']

        return defaults