__table_args__ = {'extend_existing':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

    @staticmethod

    def add_user_to_group(group, user):

        ugm = UsersGroupMember()

        ugm.users_group = group

        ugm.user = user

        Session().add(ugm)

        Session().commit()

        return ugm

class Repository(Base, BaseModel):

    __tablename__ = 'repositories'

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

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

    repo_name = Column("repo_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)

    clone_uri = Column("clone_uri", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)

    repo_type = Column("repo_type", String(length=255, 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=10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)

    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('RepoGroup')

    repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')

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

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

    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)

    @classmethod

    def url_sep(cls):

        return '/'

    @classmethod

    def get_by_repo_name(cls, repo_name):

        q = Session().query(cls).filter(cls.repo_name == repo_name)

        q = q.options(joinedload(Repository.fork))\

                .options(joinedload(Repository.user))\

                .options(joinedload(Repository.group))

        return q.one()

    @classmethod

    def get_repo_forks(cls, repo_id):

        return cls.query().filter(Repository.fork_id == repo_id)

    @classmethod

    def base_path(cls):

        """

        Returns base path when all repos are stored

        :param cls:

        """

        q = Session().query(RhodeCodeUi)\

            .filter(RhodeCodeUi.ui_key == cls.url_sep())

        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))

        return q.one().ui_value

    @property

    def just_name(self):

        return self.repo_name.split(Repository.url_sep())[-1]

    @property

    def groups_with_parents(self):

        groups = []

        if self.group is None:

            return groups

        cur_gr = self.group

        groups.insert(0, cur_gr)

        while 1:

            gr = getattr(cur_gr, 'parent_group', None)

            cur_gr = cur_gr.parent_group

            if gr is None:

                break

            groups.insert(0, gr)

        return groups

    @property

    def groups_and_repo(self):

        return self.groups_with_parents, self.just_name

    @LazyProperty

    def repo_path(self):

        """

        Returns base full path for that repository means where it actually

        exists on a filesystem

        """

        q = Session().query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==

                                              Repository.url_sep())

        q = q.options(FromCache("sql_cache_short", "repository_repo_path"))

        return q.one().ui_value

    @property

    def repo_full_path(self):

        p = [self.repo_path]

        # we need to split the name by / since this is how we store the

        # names in the database, but that eventually needs to be converted

        # into a valid system path

        p += self.repo_name.split(Repository.url_sep())

        return os.path.join(*p)

    def get_new_name(self, repo_name):

        """

        returns new full repository name based on assigned group and new new

        :param group_name:

        """

        path_prefix = self.group.full_path_splitted if self.group else []

        return Repository.url_sep().join(path_prefix + [repo_name])

    @property

    def _ui(self):

        """

        Creates an db based ui object for this repository

        """

        from mercurial import ui

        from mercurial import config

        baseui = ui.ui()

        #clean the baseui object

        baseui._ocfg = config.config()

        baseui._ucfg = config.config()

        baseui._tcfg = config.config()

        ret = RhodeCodeUi.query()\

            .options(FromCache("sql_cache_short", "repository_repo_ui")).all()

        hg_ui = ret

        for ui_ in hg_ui:

            if ui_.ui_active:

                log.debug('settings ui from db[%s]%s:%s', ui_.ui_section,

                          ui_.ui_key, ui_.ui_value)

                baseui.setconfig(ui_.ui_section, ui_.ui_key, ui_.ui_value)

        return baseui

    @classmethod

    def is_valid(cls, repo_name):

        """

        returns True if given repo name is a valid filesystem repository

        @param cls:

        @param repo_name:

        """

        from rhodecode.lib.utils import is_valid_repo

        return is_valid_repo(repo_name, cls.base_path())

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

    # SCM PROPERTIES

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

    def get_changeset(self, rev):

        return get_changeset_safe(self.scm_instance, rev)

    @property

    def tip(self):

        return self.get_changeset('tip')

    @property

    def author(self):

        return self.tip.author

    @property

    def last_change(self):

        return self.scm_instance.last_change

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

    # SCM CACHE INSTANCE

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

    @property

    def invalidate(self):

        return CacheInvalidation.invalidate(self.repo_name)

    def set_invalidate(self):

        """

        set a cache for invalidation for this instance

        """

        CacheInvalidation.set_invalidate(self.repo_name)

    @LazyProperty

    def scm_instance(self):

        return self.__get_instance()

    @property

    def scm_instance_cached(self):

        @cache_region('long_term')

        def _c(repo_name):

            return self.__get_instance()

        rn = self.repo_name

        inv = self.invalidate

        if inv is not None:

            region_invalidate(_c, None, rn)

            # update our cache

            CacheInvalidation.set_valid(inv.cache_key)

        return _c(rn)

    def __get_instance(self):

        repo_full_path = self.repo_full_path

        try:

            alias = get_scm(repo_full_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':

            repo = backend(safe_str(repo_full_path), create=False,

                           baseui=self._ui)

            # skip hidden web repository

            if repo._get_hidden():

                return

        else:

            repo = backend(repo_full_path, create=False)

        return repo

class RepoGroup(Base, BaseModel):

    __tablename__ = 'groups'

    __table_args__ = (UniqueConstraint('group_name', 'group_parent_id'),

                      CheckConstraint('group_id != group_parent_id'), {'extend_existing':True},)

    __mapper_args__ = {'order_by':'group_name'}

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

    group_name = Column("group_name", String(length=255, 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)

    group_description = Column("group_description", String(length=10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    parent_group = relationship('RepoGroup', 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)

    @classmethod

    def groups_choices(cls):

        from webhelpers.html import literal as _literal

        repo_groups = [('', '')]

        sep = ' » '

        _name = lambda k: _literal(sep.join(k))

        repo_groups.extend([(x.group_id, _name(x.full_path_splitted))

                              for x in cls.query().all()])

        repo_groups = sorted(repo_groups, key=lambda t: t[1].split(sep)[0])

        return repo_groups

    @classmethod

    def url_sep(cls):

        return '/'

    @classmethod

    def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):

        if case_insensitive:

            gr = cls.query()\

                .filter(cls.group_name.ilike(group_name))

        else:

            gr = cls.query()\

                .filter(cls.group_name == group_name)

        if cache:

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

                                          "get_group_%s" % group_name))

        return gr.scalar()

    @property

    def parents(self):

        parents_recursion_limit = 5

        groups = []

        if self.parent_group is None:

            return groups

        cur_gr = self.parent_group

        groups.insert(0, cur_gr)

        cnt = 0

        while 1:

            cnt += 1

            gr = getattr(cur_gr, 'parent_group', None)

            cur_gr = cur_gr.parent_group

            if gr is None:

                break

            if cnt == parents_recursion_limit:

                # this will prevent accidental infinit loops

                log.error('group nested more than %s' %

                          parents_recursion_limit)

                break

            groups.insert(0, gr)

        return groups

    @property

    def children(self):

        return RepoGroup.query().filter(RepoGroup.parent_group == self)

    @property

    def name(self):

        return self.group_name.split(RepoGroup.url_sep())[-1]

    @property

    def full_path(self):

        return self.group_name

    @property

    def full_path_splitted(self):

        return self.group_name.split(RepoGroup.url_sep())

    @property

    def repositories(self):

        return Repository.query().filter(Repository.group == self)

    @property

    def repositories_recursive_count(self):

        cnt = self.repositories.count()

        def children_count(group):

            cnt = 0

            for child in group.children:

                cnt += child.repositories.count()

                cnt += children_count(child)

            return cnt

        return cnt + children_count(self)

    def get_new_name(self, group_name):

        """

        returns new full group name based on parent and new name

        :param group_name:

        """

        path_prefix = (self.parent_group.full_path_splitted if

                       self.parent_group else [])

        return RepoGroup.url_sep().join(path_prefix + [group_name])

class Permission(Base, BaseModel):

    __tablename__ = 'permissions'

    __table_args__ = {'extend_existing':True}

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

    permission_name = Column("permission_name", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    permission_longname = Column("permission_longname", String(length=255, 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)

    @classmethod

    def get_by_key(cls, key):

        return cls.query().filter(cls.permission_name == key).scalar()

    @classmethod

    def get_default_perms(cls, default_user_id, cache=True):

        q = Session().query(UserRepoToPerm, Repository, cls)\

            .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id))\

            .join((cls, UserRepoToPerm.permission_id == cls.permission_id))\

            .filter(UserRepoToPerm.user_id == default_user_id)

        if cache:

            q = q.options(FromCache("sql_cache_short", "get_default_perms"))

        return q.all()

class UserRepoToPerm(Base, BaseModel):

    __tablename__ = 'repo_to_perm'

    __table_args__ = (UniqueConstraint('user_id', 'repository_id'), {'extend_existing':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')

    @classmethod

    def create(cls, user, repository, permission):

        n = cls()

        n.user = user

        n.repository = repository

        n.permission = permission

        Session().add(n)

        return n

    def __repr__(self):

        return '<user:%s => %s >' % (self.user, self.repository)

class UserToPerm(Base, BaseModel):

    __tablename__ = 'user_to_perm'

    __table_args__ = (UniqueConstraint('user_id', 'permission_id'), {'extend_existing':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', lazy='joined')

    @classmethod

    def has_perm(cls, user_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        return cls.query().filter(cls.user_id == user_id)\

            .filter(cls.permission == perm).scalar() is not None

    @classmethod

    def grant_perm(cls, user_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        new = cls()

        new.user_id = user_id

        new.permission = perm

        try:

            Session().add(new)

            Session().commit()

        except:

            Session().rollback()

    @classmethod

    def revoke_perm(cls, user_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        try:

            obj = cls.query().filter(cls.user_id == user_id)\

                    .filter(cls.permission == perm).one()

            Session().delete(obj)

            Session().commit()

        except:

            Session().rollback()

class UsersGroupRepoToPerm(Base, BaseModel):

    __tablename__ = 'users_group_repo_to_perm'

    __table_args__ = (UniqueConstraint('repository_id', 'users_group_id', 'permission_id'), {'extend_existing':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')

    @classmethod

    def create(cls, users_group, repository, permission):

        n = cls()

        n.users_group = users_group

        n.repository = repository

        n.permission = permission

        Session().add(n)

        return n

    def __repr__(self):

        return '<userGroup:%s => %s >' % (self.users_group, self.repository)

class UsersGroupToPerm(Base, BaseModel):

    __tablename__ = 'users_group_to_perm'

    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)

    users_group = relationship('UsersGroup')

    permission = relationship('Permission')

    @classmethod

    def has_perm(cls, users_group_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        return cls.query().filter(cls.users_group_id ==

                                         users_group_id)\

                                         .filter(cls.permission == perm)\

                                         .scalar() is not None

    @classmethod

    def grant_perm(cls, users_group_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        new = cls()

        new.users_group_id = users_group_id

        new.permission = perm

        try:

            Session().add(new)

            Session().commit()

        except:

            Session().rollback()

    @classmethod

    def revoke_perm(cls, users_group_id, perm):

        if not isinstance(perm, Permission):

            raise Exception('perm needs to be an instance of Permission class')

        try:

            obj = cls.query().filter(cls.users_group_id == users_group_id)\

                .filter(cls.permission == perm).one()

            Session().delete(obj)

            Session().commit()

        except:

            Session().rollback()

class UserRepoGroupToPerm(Base, BaseModel):

    __tablename__ = 'group_to_perm'

    __table_args__ = (UniqueConstraint('group_id', 'permission_id'), {'extend_existing':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('RepoGroup')

class UsersGroupRepoGroupToPerm(Base, BaseModel):

    __tablename__ = 'users_group_repo_group_to_perm'

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

    users_group_repo_group_to_perm_id = Column("users_group_repo_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)

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

    users_group = relationship('UsersGroup')

    permission = relationship('Permission')

    group = relationship('RepoGroup')

class Statistics(Base, BaseModel):

    __tablename__ = 'statistics'

    __table_args__ = (UniqueConstraint('repository_id'), {'extend_existing':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(1000000), nullable=False)#JSON data

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

    languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data

    repository = relationship('Repository', single_parent=True)

class UserFollowing(Base, BaseModel):

    __tablename__ = 'user_followings'

    __table_args__ = (UniqueConstraint('user_id', 'follows_repository_id'),

                      UniqueConstraint('user_id', 'follows_user_id')

                      , {'extend_existing':True})

    user_following_id = Column("user_following_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)

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

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

    follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)

    user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')

    follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')

    follows_repository = relationship('Repository', order_by='Repository.repo_name')

    @classmethod

    def get_repo_followers(cls, repo_id):

        return cls.query().filter(cls.follows_repo_id == repo_id)

class CacheInvalidation(Base, BaseModel):

    __tablename__ = 'cache_invalidation'

    __table_args__ = (UniqueConstraint('cache_key'), {'extend_existing':True})

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

    cache_key = Column("cache_key", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

    cache_args = Column("cache_args", String(length=255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)

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

    def __init__(self, cache_key, cache_args=''):

        self.cache_key = cache_key

        self.cache_args = cache_args

        self.cache_active = False

    def __repr__(self):

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

                                  self.cache_id, self.cache_key)

    @classmethod

    def invalidate(cls, key):

        """

        Returns Invalidation object if this given key should be invalidated

        None otherwise. `cache_active = False` means that this cache

        state is not valid and needs to be invalidated

        :param key:

        """

        return cls.query()\

                .filter(CacheInvalidation.cache_key == key)\

                .filter(CacheInvalidation.cache_active == False)\

                .scalar()

    @classmethod

    def set_invalidate(cls, key):

        """

        Mark this Cache key for invalidation

        :param key:

        """

        log.debug('marking %s for invalidation' % key)

        inv_obj = Session().query(cls)\

            .filter(cls.cache_key == key).scalar()

        if inv_obj:

            inv_obj.cache_active = False

        else:

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

            inv_obj = CacheInvalidation(key)

        try:

            Session().add(inv_obj)

            Session().commit()

        except Exception:

            log.error(traceback.format_exc())

            Session().rollback()

    @classmethod

    def set_valid(cls, key):

        """

        Mark this cache key as active and currently cached

        :param key:

        """

        inv_obj = CacheInvalidation.query()\

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

        inv_obj.cache_active = True

        Session().add(inv_obj)

        Session().commit()

class ChangesetComment(Base, BaseModel):

    __tablename__ = 'changeset_comments'

    __table_args__ = ({'extend_existing':True},)

    comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)

    repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)

    revision = Column('revision', String(40), nullable=False)

    line_no = Column('line_no', Unicode(10), nullable=True)

    f_path = Column('f_path', Unicode(1000), nullable=True)

    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)

    text = Column('text', Unicode(25000), nullable=False)

    modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)

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

    repo = relationship('Repository')

    @classmethod

    def get_users(cls, revision):

        """

        Returns user associated with this changesetComment. ie those

        who actually commented

        :param cls:

        :param revision:

        """

        return Session().query(User)\

                .filter(cls.revision == revision)\

                .join(ChangesetComment.author).all()

class Notification(Base, BaseModel):

    __tablename__ = 'notifications'

    __table_args__ = ({'extend_existing':True})

    TYPE_CHANGESET_COMMENT = u'cs_comment'

    TYPE_MESSAGE = u'message'

    TYPE_MENTION = u'mention'

    TYPE_REGISTRATION = u'registration'

    notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)

    subject = Column('subject', Unicode(512), nullable=True)

    body = Column('body', Unicode(50000), nullable=True)

    created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)

    created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)

    type_ = Column('type', Unicode(256))

    created_by_user = relationship('User')

    notifications_to_users = relationship('UserNotification', lazy='joined',

                                          cascade="all, delete, delete-orphan")

    @property

    def recipients(self):

        return [x.user for x in UserNotification.query()\

                .filter(UserNotification.notification == self).all()]

    @classmethod

    def create(cls, created_by, subject, body, recipients, type_=None):

        if type_ is None:

            type_ = Notification.TYPE_MESSAGE

        notification = cls()

        notification.created_by_user = created_by

        notification.subject = subject

        notification.body = body

        notification.type_ = type_

        notification.created_on = datetime.datetime.now()

        for u in recipients:

            assoc = UserNotification()

            assoc.notification = notification

            u.notifications.append(assoc)

        Session().add(notification)

        return notification

    @property

    def description(self):

        from rhodecode.model.notification import NotificationModel

        return NotificationModel().make_description(self)

class UserNotification(Base, BaseModel):

    __tablename__ = 'user_to_notification'

    __table_args__ = (UniqueConstraint('user_id', 'notification_id'),

                      {'extend_existing':True})

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), primary_key=True)

    notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)

    read = Column('read', Boolean, default=False)

    sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)

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

    notification = relationship('Notification', lazy="joined",

    def mark_as_read(self):

        self.read = True

        Session().add(self)

class DbMigrateVersion(Base, BaseModel):

    __tablename__ = 'db_migrate_version'

    __table_args__ = {'extend_existing':True}

    repository_id = Column('repository_id', String(250), primary_key=True)

    repository_path = Column('repository_path', Text)

    version = Column('version', Integer)

import os

import unittest

from rhodecode.tests import *

from rhodecode.model.repos_group import ReposGroupModel

from rhodecode.model.repo import RepoModel

from rhodecode.model.db import RepoGroup, User, Notification, UserNotification, \

    UsersGroup, UsersGroupMember

from sqlalchemy.exc import IntegrityError

from rhodecode.model.user import UserModel

from rhodecode.model.meta import Session

from rhodecode.model.notification import NotificationModel

from rhodecode.model.users_group import UsersGroupModel

class TestReposGroups(unittest.TestCase):

    def setUp(self):

        self.g1 = self.__make_group('test1', skip_if_exists=True)

        self.g2 = self.__make_group('test2', skip_if_exists=True)

        self.g3 = self.__make_group('test3', skip_if_exists=True)

    def tearDown(self):

        print 'out'

    def __check_path(self, *path):

        path = [TESTS_TMP_PATH] + list(path)

        path = os.path.join(*path)

        return os.path.isdir(path)

    def _check_folders(self):

        print os.listdir(TESTS_TMP_PATH)

    def __make_group(self, path, desc='desc', parent_id=None,

                     skip_if_exists=False):

        gr = RepoGroup.get_by_group_name(path)

        if gr and skip_if_exists:

            return gr

        form_data = dict(group_name=path,

                         group_description=desc,

                         group_parent_id=parent_id)

        gr = ReposGroupModel().create(form_data)

        return gr

    def __delete_group(self, id_):

        ReposGroupModel().delete(id_)

    def __update_group(self, id_, path, desc='desc', parent_id=None):

        form_data = dict(group_name=path,

                         group_description=desc,

                         group_parent_id=parent_id)

        gr = ReposGroupModel().update(id_, form_data)

        return gr

    def test_create_group(self):

        g = self.__make_group('newGroup')

        self.assertEqual(g.full_path, 'newGroup')

        self.assertTrue(self.__check_path('newGroup'))

    def test_create_same_name_group(self):

        self.assertRaises(IntegrityError, lambda:self.__make_group('newGroup'))

    def test_same_subgroup(self):

        sg1 = self.__make_group('sub1', parent_id=self.g1.group_id)

        self.assertEqual(sg1.parent_group, self.g1)

        self.assertEqual(sg1.full_path, 'test1/sub1')

        self.assertTrue(self.__check_path('test1', 'sub1'))

        ssg1 = self.__make_group('subsub1', parent_id=sg1.group_id)

        self.assertEqual(ssg1.parent_group, sg1)

        self.assertEqual(ssg1.full_path, 'test1/sub1/subsub1')

        self.assertTrue(self.__check_path('test1', 'sub1', 'subsub1'))

    def test_remove_group(self):

        sg1 = self.__make_group('deleteme')

        self.__delete_group(sg1.group_id)

        self.assertEqual(RepoGroup.get(sg1.group_id), None)

        self.assertFalse(self.__check_path('deteteme'))

        sg1 = self.__make_group('deleteme', parent_id=self.g1.group_id)

        self.__delete_group(sg1.group_id)