# -*- 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.celerylib.tasks

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

Kallithea task modules, containing all task that suppose to be run

by celery daemon

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: Oct 6, 2010

:author: marcink

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

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

"""

import os

import traceback

import logging

import rfc822

from time import mktime

from operator import itemgetter

from string import lower

from tg import config

from kallithea import CELERY_ON

from kallithea.lib import celerylib

from kallithea.lib.helpers import person

from kallithea.lib.rcmail.smtp_mailer import SmtpMailer

from kallithea.lib.utils import setup_cache_regions, action_logger

from kallithea.lib.utils2 import str2bool

from kallithea.lib.vcs.utils import author_email

from kallithea.lib.compat import json, OrderedDict

from kallithea.lib.hooks import log_create_repository

from kallithea.model.db import Statistics, RepoGroup, Repository, User

setup_cache_regions(config)  # pragma: no cover

__all__ = ['whoosh_index', 'get_commits_stats', 'send_email']

log = logging.getLogger(__name__)

@celerylib.task

@celerylib.locked_task

@celerylib.dbsession

def whoosh_index(repo_location, full_index):

    from kallithea.lib.indexers.daemon import WhooshIndexingDaemon

    celerylib.get_session() # initialize database connection

    index_location = config['index_dir']

    WhooshIndexingDaemon(index_location=index_location,

                         repo_location=repo_location) \

                         .run(full_index=full_index)

@celerylib.task

@celerylib.dbsession

def get_commits_stats(repo_name, ts_min_y, ts_max_y, recurse_limit=100):

    DBS = celerylib.get_session()

    lockkey = celerylib.__get_lockkey('get_commits_stats', repo_name, ts_min_y,

                            ts_max_y)

    lockkey_path = config['app_conf']['cache_dir']

    log.info('running task with lockkey %s', lockkey)

    try:

        lock = l = celerylib.DaemonLock(file_=os.path.join(lockkey_path, lockkey))

        # for js data compatibility cleans the key for person from '

        akc = lambda k: person(k).replace('"', "")

        co_day_auth_aggr = {}

        commits_by_day_aggregate = {}

        repo = Repository.get_by_repo_name(repo_name)

        if repo is None:

            return True

        repo = repo.scm_instance

        repo_size = repo.count()

        # return if repo have no revisions

        if repo_size < 1:

            lock.release()

            return True

        skip_date_limit = True

        parse_limit = int(config['app_conf'].get('commit_parse_limit'))

        last_rev = None

        last_cs = None

        timegetter = itemgetter('time')

        dbrepo = DBS.query(Repository) \

            .filter(Repository.repo_name == repo_name).scalar()

        cur_stats = DBS.query(Statistics) \

            .filter(Statistics.repository == dbrepo).scalar()

        if cur_stats is not None:

            last_rev = cur_stats.stat_on_revision

        if last_rev == repo.get_changeset().revision and repo_size > 1:

            # pass silently without any work if we're not on first revision or

            # current state of parsing revision(from db marker) is the

            # last revision

            lock.release()

            return True

        if cur_stats:

            commits_by_day_aggregate = OrderedDict(json.loads(

                                        cur_stats.commit_activity_combined))

            co_day_auth_aggr = json.loads(cur_stats.commit_activity)

        log.debug('starting parsing %s', parse_limit)

        lmktime = mktime

        last_rev = last_rev + 1 if last_rev >= 0 else 0

        log.debug('Getting revisions from %s to %s',

             last_rev, last_rev + parse_limit

        )

        for cs in repo[last_rev:last_rev + parse_limit]:

            log.debug('parsing %s', cs)

            last_cs = cs  # remember last parsed changeset

            k = lmktime([cs.date.timetuple()[0], cs.date.timetuple()[1],

                          cs.date.timetuple()[2], 0, 0, 0, 0, 0, 0])

            if akc(cs.author) in co_day_auth_aggr:

                try:

                    l = [timegetter(x) for x in

                         co_day_auth_aggr[akc(cs.author)]['data']]

                    time_pos = l.index(k)

                except ValueError:

                    time_pos = None

                if time_pos >= 0 and time_pos is not None:

                    datadict = \

                        co_day_auth_aggr[akc(cs.author)]['data'][time_pos]

                    datadict["commits"] += 1

                    datadict["added"] += len(cs.added)

                    datadict["changed"] += len(cs.changed)

                    datadict["removed"] += len(cs.removed)

                else:

                    if k >= ts_min_y and k <= ts_max_y or skip_date_limit:

                        datadict = {"time": k,

                                    "commits": 1,

                                    "added": len(cs.added),

                                    "changed": len(cs.changed),

                                    "removed": len(cs.removed),

                                   }

                        co_day_auth_aggr[akc(cs.author)]['data'] \

                            .append(datadict)

            else:

                if k >= ts_min_y and k <= ts_max_y or skip_date_limit:

                    co_day_auth_aggr[akc(cs.author)] = {

                                        "label": akc(cs.author),

                                        "data": [{"time":k,

                                                 "commits":1,

                                                 "added":len(cs.added),

                                                 "changed":len(cs.changed),

                                                 "removed":len(cs.removed),

                                                 }],

                                        "schema": ["commits"],

                                        }

            #gather all data by day

            if k in commits_by_day_aggregate:

                commits_by_day_aggregate[k] += 1

            else:

                commits_by_day_aggregate[k] = 1

        overview_data = sorted(commits_by_day_aggregate.items(),

                               key=itemgetter(0))

        if not co_day_auth_aggr:

            co_day_auth_aggr[akc(repo.contact)] = {

                "label": akc(repo.contact),

                "data": [0, 1],

                "schema": ["commits"],

            }

        stats = cur_stats if cur_stats else Statistics()

        stats.commit_activity = json.dumps(co_day_auth_aggr)

        stats.commit_activity_combined = json.dumps(overview_data)

        log.debug('last revision %s', last_rev)

        leftovers = len(repo.revisions[last_rev:])

        log.debug('revisions to parse %s', leftovers)

        if last_rev == 0 or leftovers < parse_limit:

            log.debug('getting code trending stats')

            stats.languages = json.dumps(__get_codes_stats(repo_name))

        try:

            stats.repository = dbrepo

            stats.stat_on_revision = last_cs.revision if last_cs else 0

            DBS.add(stats)

            DBS.commit()

        except:

            log.error(traceback.format_exc())

            DBS.rollback()

            lock.release()

            return False

        # final release

        lock.release()

        # execute another task if celery is enabled

        if len(repo.revisions) > 1 and CELERY_ON and recurse_limit > 0:

            get_commits_stats(repo_name, ts_min_y, ts_max_y, recurse_limit - 1)

        elif recurse_limit <= 0:

            log.debug('Not recursing - limit has been reached')

        else:

            log.debug('Not recursing')

    except celerylib.LockHeld:

        log.info('Task with key %s already running', lockkey)

        return 'Task with key %s already running' % lockkey

@celerylib.task

@celerylib.dbsession

def send_email(recipients, subject, body='', html_body='', headers=None, author=None):

    """

    Sends an email with defined parameters from the .ini files.

    :param recipients: list of recipients, if this is None, the defined email

        address from field 'email_to' and all admins is used instead

    :param subject: subject of the mail

    :param body: body of the mail

    :param html_body: html version of body

    :param headers: dictionary of prepopulated e-mail headers

    :param author: User object of the author of this mail, if known and relevant

    """

    assert isinstance(recipients, list), recipients

    if headers is None:

        headers = {}

    else:

        # do not modify the original headers object passed by the caller

        headers = headers.copy()

    email_config = config

    email_prefix = email_config.get('email_prefix', '')

    if email_prefix:

        subject = "%s %s" % (email_prefix, subject)

    if not recipients:

        # if recipients are not defined we send to email_config + all admins

        recipients = [u.email for u in User.query()

                      .filter(User.admin == True).all()]

        if email_config.get('email_to') is not None:

            recipients += [email_config.get('email_to')]

        # If there are still no recipients, there are no admins and no address

        # configured in email_to, so return.

        if not recipients:

            log.error("No recipients specified and no fallback available.")

            return False

        log.warning("No recipients specified for '%s' - sending to admins %s", subject, ' '.join(recipients))

    # SMTP sender

    envelope_from = email_config.get('app_email_from', 'Kallithea')

    # 'From' header

    if author is not None:

        # set From header based on author but with a generic e-mail address

        # In case app_email_from is in "Some Name <e-mail>" format, we first

        # extract the e-mail address.

        envelope_addr = author_email(envelope_from)

        headers['From'] = '"%s" <%s>' % (

            rfc822.quote('%s (no-reply)' % author.full_name_or_username),

            envelope_addr)

    user = email_config.get('smtp_username')

    passwd = email_config.get('smtp_password')

    mail_server = email_config.get('smtp_server')

    mail_port = email_config.get('smtp_port')

    tls = str2bool(email_config.get('smtp_use_tls'))

    ssl = str2bool(email_config.get('smtp_use_ssl'))

    debug = str2bool(email_config.get('debug'))

    smtp_auth = email_config.get('smtp_auth')

    logmsg = ("Mail details:\n"

              "recipients: %s\n"

              "headers: %s\n"

              "subject: %s\n"

              "body:\n%s\n"

              "html:\n%s\n"

              % (' '.join(recipients), headers, subject, body, html_body))

    if mail_server:

        log.debug("Sending e-mail. " + logmsg)

    else:

        log.error("SMTP mail server not configured - cannot send e-mail.")

        log.warning(logmsg)

        return False

    try:

        m = SmtpMailer(envelope_from, user, passwd, mail_server, smtp_auth,

                       mail_port, ssl, tls, debug=debug)

        m.send(recipients, subject, body, html_body, headers=headers)

    except:

        log.error('Mail sending failed')

        log.error(traceback.format_exc())

        return False

    return True

@celerylib.task

@celerylib.dbsession

def create_repo(form_data, cur_user):

    from kallithea.model.repo import RepoModel

    from kallithea.model.db import Setting

    DBS = celerylib.get_session()

    cur_user = User.guess_instance(cur_user)

    owner = cur_user

    repo_name = form_data['repo_name']

    repo_name_full = form_data['repo_name_full']

    repo_type = form_data['repo_type']

    description = form_data['repo_description']

    private = form_data['repo_private']

    clone_uri = form_data.get('clone_uri')

    repo_group = form_data['repo_group']

    landing_rev = form_data['repo_landing_rev']

    copy_fork_permissions = form_data.get('copy_permissions')

    copy_group_permissions = form_data.get('repo_copy_permissions')

    fork_of = form_data.get('fork_parent_id')

    state = form_data.get('repo_state', Repository.STATE_PENDING)

    # repo creation defaults, private and repo_type are filled in form

    defs = Setting.get_default_repo_settings(strip_prefix=True)

    enable_statistics = defs.get('repo_enable_statistics')

    enable_locking = defs.get('repo_enable_locking')

    enable_downloads = defs.get('repo_enable_downloads')

    try:

        repo = RepoModel()._create_repo(

            repo_name=repo_name_full,

            repo_type=repo_type,

            description=description,

            owner=owner,

            private=private,

            clone_uri=clone_uri,

            repo_group=repo_group,

            landing_rev=landing_rev,

            fork_of=fork_of,

            copy_fork_permissions=copy_fork_permissions,

            copy_group_permissions=copy_group_permissions,

            enable_statistics=enable_statistics,

            enable_locking=enable_locking,

            enable_downloads=enable_downloads,

            state=state

        )

        action_logger(cur_user, 'user_created_repo',

                      form_data['repo_name_full'], '')

        DBS.commit()

        # now create this repo on Filesystem

        RepoModel()._create_filesystem_repo(

            repo_name=repo_name,

            repo_type=repo_type,

            repo_group=RepoGroup.guess_instance(repo_group),

            clone_uri=clone_uri,

        )

        repo = Repository.get_by_repo_name(repo_name_full)

        log_create_repository(repo.get_dict(), created_by=owner.username)

        # update repo changeset caches initially

        repo.update_changeset_cache()

        # set new created state

        repo.set_state(Repository.STATE_CREATED)

        DBS.commit()

    except Exception as e:

        log.warning('Exception %s occurred when forking repository, '

                    'doing cleanup...' % e)

        # rollback things manually !

        repo = Repository.get_by_repo_name(repo_name_full)

        if repo:

            Repository.delete(repo.repo_id)

            DBS.commit()

            RepoModel()._delete_filesystem_repo(repo)

        raise

    return True

@celerylib.task

@celerylib.dbsession

def create_repo_fork(form_data, cur_user):

    """

    Creates a fork of repository using interval VCS methods

    :param form_data:

    :param cur_user:

    """

    from kallithea.model.repo import RepoModel

    DBS = celerylib.get_session()

    base_path = Repository.base_path()

    cur_user = User.guess_instance(cur_user)

    repo_name = form_data['repo_name']  # fork in this case

    repo_name_full = form_data['repo_name_full']

    repo_type = form_data['repo_type']

    owner = cur_user

    private = form_data['private']

    clone_uri = form_data.get('clone_uri')

    repo_group = form_data['repo_group']

    landing_rev = form_data['landing_rev']

    copy_fork_permissions = form_data.get('copy_permissions')

    try:

        fork_of = Repository.guess_instance(form_data.get('fork_parent_id'))

        RepoModel()._create_repo(

            repo_name=repo_name_full,

            repo_type=repo_type,

            description=form_data['description'],

            owner=owner,

            private=private,

            clone_uri=clone_uri,

            repo_group=repo_group,

            landing_rev=landing_rev,

            fork_of=fork_of,

            copy_fork_permissions=copy_fork_permissions

        )

        action_logger(cur_user, 'user_forked_repo:%s' % repo_name_full,

                      fork_of.repo_name, '')

        DBS.commit()

        source_repo_path = os.path.join(base_path, fork_of.repo_name)

        # now create this repo on Filesystem

        RepoModel()._create_filesystem_repo(

            repo_name=repo_name,

            repo_type=repo_type,

            repo_group=RepoGroup.guess_instance(repo_group),

            clone_uri=source_repo_path,

        )

        repo = Repository.get_by_repo_name(repo_name_full)

        log_create_repository(repo.get_dict(), created_by=owner.username)

        # update repo changeset caches initially

        repo.update_changeset_cache()

        # set new created state

        repo.set_state(Repository.STATE_CREATED)

        DBS.commit()

    except Exception as e:

        log.warning('Exception %s occurred when forking repository, '

                    'doing cleanup...' % e)

        #rollback things manually !

        repo = Repository.get_by_repo_name(repo_name_full)

        if repo:

            Repository.delete(repo.repo_id)

            DBS.commit()

            RepoModel()._delete_filesystem_repo(repo)

        raise

    return True

def __get_codes_stats(repo_name):

    from kallithea.config.conf import LANGUAGES_EXTENSIONS_MAP

    repo = Repository.get_by_repo_name(repo_name).scm_instance

    tip = repo.get_changeset()

    code_stats = {}

    def aggregate(cs):

        for f in cs[2]:

            ext = lower(f.extension)

            if ext in LANGUAGES_EXTENSIONS_MAP.keys() and not f.is_binary:

                if ext in code_stats:

                    code_stats[ext] += 1

                else:

                    code_stats[ext] = 1

    map(aggregate, tip.walk('/'))

    return code_stats or {}

# -*- 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.model.repo

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

Repository model 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: Jun 5, 2010

:author: marcink

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

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

"""

import os

import shutil

import logging

import traceback

from datetime import datetime

from sqlalchemy.orm import subqueryload

from kallithea.lib.utils import make_ui

from kallithea.lib.vcs.backends import get_backend

from kallithea.lib.utils2 import LazyProperty, safe_str, safe_unicode, \

    remove_prefix, obfuscate_url_pw, get_current_authuser

from kallithea.lib.caching_query import FromCache

from kallithea.lib.hooks import log_delete_repository

from kallithea.model.db import Repository, UserRepoToPerm, UserGroupRepoToPerm, \

    UserRepoGroupToPerm, UserGroupRepoGroupToPerm, User, Permission, Session, \

    Statistics, UserGroup, Ui, RepoGroup, RepositoryField

from kallithea.lib import helpers as h

from kallithea.lib.auth import HasRepoPermissionLevel, HasUserGroupPermissionLevel

from kallithea.lib.exceptions import AttachedForksError

from kallithea.model.scm import UserGroupList

log = logging.getLogger(__name__)

class RepoModel(object):

    URL_SEPARATOR = Repository.url_sep()

    def _create_default_perms(self, repository, private):

        # create default permission

        default = 'repository.read'

        def_user = User.get_default_user()

        for p in def_user.user_perms:

            if p.permission.permission_name.startswith('repository.'):

                default = p.permission.permission_name

                break

        default_perm = 'repository.none' if private else default

        repo_to_perm = UserRepoToPerm()

        repo_to_perm.permission = Permission.get_by_key(default_perm)

        repo_to_perm.repository = repository

        repo_to_perm.user_id = def_user.user_id

        Session().add(repo_to_perm)

        return repo_to_perm

    @LazyProperty

    def repos_path(self):

        """

        Gets the repositories root path from database

        """

        q = Ui.query().filter(Ui.ui_key == '/').one()

        return q.ui_value

    def get(self, repo_id, cache=False):

        repo = Repository.query() \

            .filter(Repository.repo_id == repo_id)

        if cache:

            repo = repo.options(FromCache("sql_cache_short",

                                          "get_repo_%s" % repo_id))

        return repo.scalar()

    def get_repo(self, repository):

        return Repository.guess_instance(repository)

    def get_by_repo_name(self, repo_name, cache=False):

        repo = Repository.query() \

            .filter(Repository.repo_name == repo_name)

        if cache:

            repo = repo.options(FromCache("sql_cache_short",

                                          "get_repo_%s" % repo_name))

        return repo.scalar()

    def get_all_user_repos(self, user):

        """

        Gets all repositories that user have at least read access

        :param user:

        """

        from kallithea.lib.auth import AuthUser

        user = User.guess_instance(user)

        repos = AuthUser(dbuser=user).permissions['repositories']

        access_check = lambda r: r[1] in ['repository.read',

                                          'repository.write',

                                          'repository.admin']

        repos = [x[0] for x in filter(access_check, repos.items())]

        return Repository.query().filter(Repository.repo_name.in_(repos))

    def get_users_js(self):

        users = User.query() \

            .filter(User.active == True) \

            .order_by(User.name, User.lastname) \

            .all()

        return [

            {

                'id': u.user_id,

                'fname': h.escape(u.name),

                'lname': h.escape(u.lastname),

                'nname': u.username,

                'gravatar_lnk': h.gravatar_url(u.email, size=28, default='default'),

                'gravatar_size': 14,

            } for u in users]

    def get_user_groups_js(self):

        user_groups = UserGroup.query() \

            .filter(UserGroup.users_group_active == True) \

            .order_by(UserGroup.users_group_name) \

            .options(subqueryload(UserGroup.members)) \

            .all()

        user_groups = UserGroupList(user_groups, perm_level='read')

        return [

            {

                'id': gr.users_group_id,

                'grname': gr.users_group_name,

                'grmembers': len(gr.members),

            } for gr in user_groups]

    @classmethod

    def _render_datatable(cls, tmpl, *args, **kwargs):

        import kallithea

        from tg import tmpl_context as c, request, app_globals

        from tg.i18n import ugettext as _

        _tmpl_lookup = app_globals.mako_lookup

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

        tmpl = template.get_def(tmpl)

        kwargs.update(dict(_=_, h=h, c=c, request=request))

        return tmpl.render(*args, **kwargs)

    def get_repos_as_dict(self, repos_list=None, admin=False, perm_check=True,

                          super_user_actions=False, short_name=False):

        _render = self._render_datatable

        from tg import tmpl_context as c

        def repo_lnk(name, rtype, rstate, private, fork_of):

            return _render('repo_name', name, rtype, rstate, private, fork_of,

                           short_name=short_name, admin=False)

        def last_change(last_change):

            return _render("last_change", last_change)

        def rss_lnk(repo_name):

            return _render("rss", repo_name)

        def atom_lnk(repo_name):

            return _render("atom", repo_name)

        def last_rev(repo_name, cs_cache):

            return _render('revision', repo_name, cs_cache.get('revision'),

                           cs_cache.get('raw_id'), cs_cache.get('author'),

                           cs_cache.get('message'))

        def desc(desc):

            return h.urlify_text(desc, truncate=80, stylize=c.visual.stylify_metatags)

        def state(repo_state):

            return _render("repo_state", repo_state)

        def repo_actions(repo_name):

            return _render('repo_actions', repo_name, super_user_actions)

        def owner_actions(owner_id, username):

            return _render('user_name', owner_id, username)

        repos_data = []

        for repo in repos_list:

            if perm_check:

                # check permission at this level

                if not HasRepoPermissionLevel('read')(repo.repo_name, 'get_repos_as_dict check'):

                    continue

            cs_cache = repo.changeset_cache

            row = {

                "raw_name": repo.repo_name,

                "just_name": repo.just_name,

                "name": repo_lnk(repo.repo_name, repo.repo_type,

                                 repo.repo_state, repo.private, repo.fork),

                "last_change_iso": repo.last_db_change.isoformat(),

                "last_change": last_change(repo.last_db_change),

                "last_changeset": last_rev(repo.repo_name, cs_cache),

                "last_rev_raw": cs_cache.get('revision'),

                "desc": desc(repo.description),

                "owner": h.person(repo.owner),

                "state": state(repo.repo_state),

                "rss": rss_lnk(repo.repo_name),

                "atom": atom_lnk(repo.repo_name),

            }

            if admin:

                row.update({

                    "action": repo_actions(repo.repo_name),

                    "owner": owner_actions(repo.owner_id,

                                           h.person(repo.owner))

                })

            repos_data.append(row)

        return {

            "totalRecords": len(repos_list),

            "startIndex": 0,

            "sort": "name",

            "dir": "asc",

            "records": repos_data

        }

    def _get_defaults(self, repo_name):

        """

        Gets information about repository, and returns a dict for

        usage in forms

        :param repo_name:

        """

        repo_info = Repository.get_by_repo_name(repo_name)

        if repo_info is None:

            return None

        defaults = repo_info.get_dict()

        defaults['repo_name'] = repo_info.just_name

        defaults['repo_group'] = repo_info.group_id

        for strip, k in [(0, 'repo_type'), (1, 'repo_enable_downloads'),

                         (1, 'repo_description'), (1, 'repo_enable_locking'),

                         (1, 'repo_landing_rev'), (0, 'clone_uri'),

                         (1, 'repo_private'), (1, 'repo_enable_statistics')]:

            attr = k

            if strip:

                attr = remove_prefix(k, 'repo_')

            val = defaults[attr]

            if k == 'repo_landing_rev':

                val = ':'.join(defaults[attr])

            defaults[k] = val

            if k == 'clone_uri':

                defaults['clone_uri_hidden'] = repo_info.clone_uri_hidden

        # fill owner

        if repo_info.owner:

            defaults.update({'owner': repo_info.owner.username})

        else:

            replacement_user = User.query().filter(User.admin ==

                                                   True).first().username

            defaults.update({'owner': replacement_user})

        # fill repository users

        for p in repo_info.repo_to_perm:

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

                                 p.permission.permission_name})

        # fill repository groups

        for p in repo_info.users_group_to_perm:

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

                                 p.permission.permission_name})

        return defaults

    def update(self, repo, **kwargs):

        try:

            cur_repo = Repository.guess_instance(repo)

            org_repo_name = cur_repo.repo_name

            if 'owner' in kwargs:

                cur_repo.owner = User.get_by_username(kwargs['owner'])

            if 'repo_group' in kwargs:

                cur_repo.group = RepoGroup.get(kwargs['repo_group'])

                cur_repo.repo_name = cur_repo.get_new_name(cur_repo.just_name)

            log.debug('Updating repo %s with params:%s', cur_repo, kwargs)

            for k in ['repo_enable_downloads',

                      'repo_description',

                      'repo_enable_locking',

                      'repo_landing_rev',

                      'repo_private',

                      'repo_enable_statistics',

                      ]:

                if k in kwargs:

                    setattr(cur_repo, remove_prefix(k, 'repo_'), kwargs[k])

            clone_uri = kwargs.get('clone_uri')

            if clone_uri is not None and clone_uri != cur_repo.clone_uri_hidden:

                cur_repo.clone_uri = clone_uri

            if 'repo_name' in kwargs:

                cur_repo.repo_name = cur_repo.get_new_name(kwargs['repo_name'])

            #if private flag is set, reset default permission to NONE

            if kwargs.get('repo_private'):

                EMPTY_PERM = 'repository.none'

                RepoModel().grant_user_permission(

                    repo=cur_repo, user='default', perm=EMPTY_PERM

                )

                #handle extra fields

            for field in filter(lambda k: k.startswith(RepositoryField.PREFIX),

                                kwargs):

                k = RepositoryField.un_prefix_key(field)

                ex_field = RepositoryField.get_by_key_name(key=k, repo=cur_repo)

                if ex_field:

                    ex_field.field_value = kwargs[field]

            if org_repo_name != cur_repo.repo_name:

                # rename repository

                self._rename_filesystem_repo(old=org_repo_name, new=cur_repo.repo_name)

            return cur_repo

        except Exception:

            log.error(traceback.format_exc())

            raise

    def _create_repo(self, repo_name, repo_type, description, owner,

                     private=False, clone_uri=None, repo_group=None,

                     landing_rev='rev:tip', fork_of=None,

                     copy_fork_permissions=False, enable_statistics=False,

                     enable_locking=False, enable_downloads=False,

                     copy_group_permissions=False, state=Repository.STATE_PENDING):

        """

        Create repository inside database with PENDING state. This should only be

        executed by create() repo, with exception of importing existing repos.

        """

        from kallithea.model.scm import ScmModel

        owner = User.guess_instance(owner)

        fork_of = Repository.guess_instance(fork_of)

        repo_group = RepoGroup.guess_instance(repo_group)

        try:

            repo_name = safe_unicode(repo_name)

            description = safe_unicode(description)

            # repo name is just a name of repository

            # while repo_name_full is a full qualified name that is combined

            # with name and path of group

            repo_name_full = repo_name