#           method='delete')

        # url('repo', repo_name=ID)

        repo_model = RepoModel()

        repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was moved or renamed  from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('repos'))

        try:

            action_logger(self.rhodecode_user, 'admin_deleted_repo',

                              repo_name, '', self.sa)

            repo_model.delete(repo)

            invalidate_cache('get_repo_cached_%s' % repo_name)

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

        except Exception, e:

            log.error(traceback.format_exc())

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

                    category='error')

        return redirect(url('repos'))

    @HasPermissionAllDecorator('hg.admin')

    def delete_perm_user(self, repo_name):

        """DELETE an existing repository permission user

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_user(request.POST, repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository user'),

                    category='error')

            raise HTTPInternalServerError()

    @HasPermissionAllDecorator('hg.admin')

    def delete_perm_users_group(self, repo_name):

        """DELETE an existing repository permission users group

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_perm_users_group(request.POST, repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository'

                      ' users groups'),

                    category='error')

            raise HTTPInternalServerError()

    @HasPermissionAllDecorator('hg.admin')

    def repo_stats(self, repo_name):

        """DELETE an existing repository statistics

        :param repo_name:

        """

        try:

            repo_model = RepoModel()

            repo_model.delete_stats(repo_name)

        except Exception, e:

            h.flash(_('An error occurred during deletion of repository stats'),

                    category='error')

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

    @HasPermissionAllDecorator('hg.admin')

    def repo_cache(self, repo_name):

        """INVALIDATE existing repository cache

        :param repo_name:

        """

        try:

            ScmModel().mark_for_invalidation(repo_name)

        except Exception, e:

            h.flash(_('An error occurred during cache invalidation'),

                    category='error')

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

    @HasPermissionAllDecorator('hg.admin')

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

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

        # url('repo', repo_name=ID)

    @HasPermissionAllDecorator('hg.admin')

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

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

        # url('edit_repo', repo_name=ID)

        repo_model = RepoModel()

        c.repo_info = repo_model.get_by_repo_name(repo_name)

        if c.repo_info is None:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was created or renamed from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('repos'))

        if c.repo_info.stats:

            last_rev = c.repo_info.stats.stat_on_revision

        else:

            last_rev = 0

        c.stats_revision = last_rev

        c.repo_last_rev = r.revisions[-1] if r.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)

        c.users_array = repo_model.get_users_js()

        c.users_groups_array = repo_model.get_users_groups_js()

        defaults = c.repo_info.get_dict()

        #fill owner

        if c.repo_info.user:

            defaults.update({'user':c.repo_info.user.username})

        else:

            replacement_user = self.sa.query(User)\

            .filter(User.admin == True).first().username

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

        #fill repository users

        for p in c.repo_info.repo_to_perm:

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

                             p.permission.permission_name})

        #fill repository groups

        for p in c.repo_info.users_group_to_perm:

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

                             p.permission.permission_name})

        return htmlfill.render(

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

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)

    ldap_dn = Column("ldap_dn", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    user_log = relationship('UserLog', cascade='all')

    user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')

    repositories = relationship('Repository')

    user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')

    @property

    def full_contact(self):

        return '%s %s <%s>' % (self.name, self.lastname, self.email)

    @property

    def is_admin(self):

        return self.admin

    def __repr__(self):

        return "<%s('id:%s:%s')>" % (self.__class__.__name__,

                                     self.user_id, self.username)

    def update_lastlogin(self):

        """Update user lastlogin"""

        try:

            session = Session.object_session(self)

            self.last_login = datetime.datetime.now()

            session.add(self)

            session.commit()

            log.debug('updated user %s lastlogin', self.username)

        except (DatabaseError,):

            session.rollback()

class UserLog(Base, BaseModel):

    __tablename__ = 'user_logs'

    __table_args__ = {'useexisting':True}

    user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    repository_id = Column("repository_id", Integer(length=None, convert_unicode=False, assert_unicode=None), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)

    repository_name = Column("repository_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    user_ip = Column("user_ip", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    action = Column("action", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)

    @property

    def action_as_day(self):

        return date(*self.action_date.timetuple()[:3])

    user = relationship('User')

    repository = relationship('Repository')

class UsersGroup(Base, BaseModel):

    __tablename__ = 'users_groups'

    __table_args__ = {'useexisting':True}

    users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_name = Column("users_group_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)

    users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)

    members = relationship('UsersGroupMember', cascade="all, delete, delete-orphan", lazy="joined")

class UsersGroupMember(Base, BaseModel):

    __tablename__ = 'users_groups_members'

    __table_args__ = {'useexisting':True}

    users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    user = relationship('User', lazy='joined')

    users_group = relationship('UsersGroup')

    def __init__(self, gr_id='', u_id=''):

        self.users_group_id = gr_id

        self.user_id = u_id

class Repository(Base, BaseModel):

    __tablename__ = 'repositories'

    __table_args__ = (UniqueConstraint('repo_name'), {'useexisting':True},)

    repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    repo_name = Column("repo_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)

    repo_type = Column("repo_type", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default='hg')

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)

    private = Column("private", Boolean(), nullable=True, unique=None, default=None)

    enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)

    enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)

    description = Column("description", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)

    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)

    user = relationship('User')

    fork = relationship('Repository', remote_side=repo_id)

    group = relationship('Group')

    users_group_to_perm = relationship('UsersGroupToPerm', cascade='all')

    stats = relationship('Statistics', cascade='all', uselist=False)

    repo_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id', cascade='all')

    logs = relationship('UserLog', cascade='all')

    def __repr__(self):

        return "<%s('%s:%s')>" % (self.__class__.__name__,

                                  self.repo_id, self.repo_name)

class Group(Base, BaseModel):

    __tablename__ = 'groups'

    __table_args__ = (UniqueConstraint('group_name'), {'useexisting':True},)

    group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    group_name = Column("group_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)

    group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)

    parent_group = relationship('Group', remote_side=group_id)

    def __init__(self, group_name='', parent_group=None):

        self.group_name = group_name

        self.parent_group = parent_group

    def __repr__(self):

        return "<%s('%s:%s')>" % (self.__class__.__name__, self.group_id,

                                  self.group_name)

class Permission(Base, BaseModel):

    __tablename__ = 'permissions'

    __table_args__ = {'useexisting':True}

    permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    permission_name = Column("permission_name", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    permission_longname = Column("permission_longname", String(length=None, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    def __repr__(self):

        return "<%s('%s:%s')>" % (self.__class__.__name__,

                                  self.permission_id, self.permission_name)

class RepoToPerm(Base, BaseModel):

    __tablename__ = 'repo_to_perm'

    __table_args__ = (UniqueConstraint('user_id', 'repository_id'), {'useexisting':True})

    repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)

    user = relationship('User')

    permission = relationship('Permission')

    repository = relationship('Repository')

class UserToPerm(Base, BaseModel):

    __tablename__ = 'user_to_perm'

    __table_args__ = (UniqueConstraint('user_id', 'permission_id'), {'useexisting':True})

    user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    user = relationship('User')

    permission = relationship('Permission')

class UsersGroupToPerm(Base, BaseModel):

    __tablename__ = 'users_group_to_perm'

    __table_args__ = (UniqueConstraint('users_group_id', 'permission_id'), {'useexisting':True})

    users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)

    users_group = relationship('UsersGroup')

    permission = relationship('Permission')

    repository = relationship('Repository')

class GroupToPerm(Base, BaseModel):

    __tablename__ = 'group_to_perm'

    __table_args__ = (UniqueConstraint('group_id', 'permission_id'), {'useexisting':True})

    group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)

    user = relationship('User')

    permission = relationship('Permission')

    group = relationship('Group')

class Statistics(Base, BaseModel):

    __tablename__ = 'statistics'

    __table_args__ = (UniqueConstraint('repository_id'), {'useexisting':True})

    stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)

    stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)

    commit_activity = Column("commit_activity", LargeBinary(), nullable=False)#JSON data

        return repos_list

    def get_repos(self, all_repos=None):

        """Get all repos from db and for each repo create it's backend instance.

        and fill that backed with information from database

        :param all_repos: give specific repositories list, good for filtering

        """

        if all_repos is None:

            all_repos = self.sa.query(Repository)\

                .order_by(Repository.repo_name).all()

        #get the repositories that should be invalidated

        invalidation_list = [str(x.cache_key) for x in \

                             self.sa.query(CacheInvalidation.cache_key)\

                             .filter(CacheInvalidation.cache_active == False)\

                             .all()]

        for r in all_repos:

            repo = self.get(r.repo_name, invalidation_list)

            if repo is not None:

                last_change = repo.last_change

                tip = h.get_changeset_safe(repo, 'tip')

                tmp_d = {}

                tmp_d['name'] = r.repo_name

                tmp_d['name_sort'] = tmp_d['name'].lower()

                tmp_d['description'] = repo.dbrepo.description

                tmp_d['description_sort'] = tmp_d['description']

                tmp_d['last_change'] = last_change

                tmp_d['last_change_sort'] = time.mktime(last_change.timetuple())

                tmp_d['tip'] = tip.raw_id

                tmp_d['tip_sort'] = tip.revision

                tmp_d['rev'] = tip.revision

                tmp_d['contact'] = repo.dbrepo.user.full_contact

                tmp_d['contact_sort'] = tmp_d['contact']

                tmp_d['owner_sort'] = tmp_d['contact']

                tmp_d['repo_archives'] = list(repo._get_archives())

                tmp_d['last_msg'] = tip.message

                tmp_d['repo'] = repo

                yield tmp_d

    def get_repo(self, repo_name):

        return self.get(repo_name)

    def get(self, repo_name, invalidation_list=None):

        """Get's repository from given name, creates BackendInstance and

        propagates it's data from database with all additional information

        :param repo_name:

        :param invalidation_list: if a invalidation list is given the get

            method should not manually check if this repository needs 

            invalidation and just invalidate the repositories in list

        """

        if not HasRepoPermissionAny('repository.read', 'repository.write',

                            'repository.admin')(repo_name, 'get repo check'):

            return

        #======================================================================

        # CACHE FUNCTION

        #======================================================================

        @cache_region('long_term')

        def _get_repo(repo_name):

            repo_path = os.path.join(self.repos_path, repo_name)

            try:

                alias = get_scm(repo_path)[0]

                log.debug('Creating instance of %s repository', alias)

                backend = get_backend(alias)

            except VCSError:

                log.error(traceback.format_exc())

                log.error('Perhaps this repository is in db and not in filesystem'

                          'run rescan repositories with "destroy old data "'

                          'option from admin panel')

                return

            if alias == 'hg':

                from pylons import app_globals as g

                repo = backend(repo_path, create=False, baseui=g.baseui)

                #skip hidden web repository

                if repo._get_hidden():

                    return

            else:

                repo = backend(repo_path, create=False)

            dbrepo = self.sa.query(Repository)\

                .options(joinedload(Repository.fork))\

                .options(joinedload(Repository.user))\

                .filter(Repository.repo_name == repo_name)\

                .scalar()

            make_transient(dbrepo)

            repo.dbrepo = dbrepo

            return repo

        pre_invalidate = True

        if invalidation_list is not None:

            pre_invalidate = repo_name in invalidation_list

        if pre_invalidate:

            invalidate = self._should_invalidate(repo_name)

            if invalidate:

                log.info('invalidating cache for repository %s', repo_name)

                region_invalidate(_get_repo, None, repo_name)

                self._mark_invalidated(invalidate)

        return _get_repo(repo_name)

    def mark_for_invalidation(self, repo_name):

        """Puts cache invalidation task into db for 

        further global cache invalidation

        :param repo_name: this repo that should invalidation take place

        """

        log.debug('marking %s for invalidation', repo_name)

        cache = self.sa.query(CacheInvalidation)\

            .filter(CacheInvalidation.cache_key == repo_name).scalar()

        if cache:

            #mark this cache as inactive

            cache.cache_active = False

        else:

            log.debug('cache key not found in invalidation db -> creating one')

            cache = CacheInvalidation(repo_name)

        try:

            self.sa.add(cache)

            self.sa.commit()

        except (DatabaseError,):

            log.error(traceback.format_exc())

            self.sa.rollback()

    def toggle_following_repo(self, follow_repo_id, user_id):

        f = self.sa.query(UserFollowing)\

            .filter(UserFollowing.follows_repo_id == follow_repo_id)\

            .filter(UserFollowing.user_id == user_id).scalar()

        if f is not None:

            try:

                self.sa.delete(f)

                self.sa.commit()

                action_logger(UserTemp(user_id),

                              'stopped_following_repo',

                              RepoTemp(follow_repo_id))

                return

            except:

                log.error(traceback.format_exc())

                self.sa.rollback()

                raise

        try:

            f = UserFollowing()

            f.user_id = user_id

            f.follows_repo_id = follow_repo_id

            self.sa.add(f)

            self.sa.commit()

            action_logger(UserTemp(user_id),

                          'started_following_repo',

                          RepoTemp(follow_repo_id))

        except:

            log.error(traceback.format_exc())

            self.sa.rollback()

            raise

    def toggle_following_user(self, follow_user_id , user_id):

        f = self.sa.query(UserFollowing)\

            .filter(UserFollowing.follows_user_id == follow_user_id)\

            .filter(UserFollowing.user_id == user_id).scalar()

        if f is not None:

            try:

                self.sa.delete(f)

                self.sa.commit()

                return

            except:

                log.error(traceback.format_exc())

                self.sa.rollback()

                raise