q = cls.query().filter(cls.username == username)

        if cache:

            q = q.options(FromCache(

                            "sql_cache_short",

                            "get_user_%s" % _hash_key(username)

                          )

            )

        return q.scalar()

    @classmethod

    def get_by_api_key(cls, api_key, cache=False):

        q = cls.query().filter(cls.api_key == api_key)

        if cache:

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

                                    "get_api_key_%s" % api_key))

        return q.scalar()

    @classmethod

    def get_by_email(cls, email, case_insensitive=False, cache=False):

        if case_insensitive:

            q = cls.query().filter(cls.email.ilike(email))

        else:

            q = cls.query().filter(cls.email == email)

        if cache:

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

                                    "get_email_key_%s" % email))

        ret = q.scalar()

        if ret is None:

            q = UserEmailMap.query()

            # try fetching in alternate email map

            if case_insensitive:

                q = q.filter(UserEmailMap.email.ilike(email))

            else:

                q = q.filter(UserEmailMap.email == email)

            q = q.options(joinedload(UserEmailMap.user))

            if cache:

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

                                        "get_email_map_key_%s" % email))

            ret = getattr(q.scalar(), 'user', None)

        return ret

    def update_lastlogin(self):

        """Update user lastlogin"""

        self.last_login = datetime.datetime.now()

        Session().add(self)

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

    def get_api_data(self):

        """

        Common function for generating user related data for API

        """

        user = self

        data = dict(

            user_id=user.user_id,

            username=user.username,

            firstname=user.name,

            lastname=user.lastname,

            email=user.email,

            emails=user.emails,

            api_key=user.api_key,

            active=user.active,

            admin=user.admin,

            ldap_dn=user.ldap_dn,

            last_login=user.last_login,

        )

        return data

    def __json__(self):

        data = dict(

            full_name=self.full_name,

            full_name_or_username=self.full_name_or_username,

            short_contact=self.short_contact,

            full_contact=self.full_contact

        )

        data.update(self.get_api_data())

        return data

class UserEmailMap(Base, BaseModel):

    __tablename__ = 'user_email_map'

    __table_args__ = (

        Index('uem_email_idx', 'email'),

        UniqueConstraint('email'),

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

    __mapper_args__ = {}

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

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

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

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

    @validates('_email')

    def validate_email(self, key, email):

        # check if this email is not main one

        main_email = Session().query(User).filter(User.email == email).scalar()

        if main_email is not None:

            raise AttributeError('email %s is present is user table' % email)

        return email

    @hybrid_property

    def email(self):

        return self._email

    @email.setter

    def email(self, val):

        self._email = val.lower() if val else None

class UserLog(Base, BaseModel):

    __tablename__ = 'user_logs'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    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(), ForeignKey('repositories.repo_id'), nullable=True)

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

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

    action = Column("action", UnicodeText(1200000, 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 datetime.date(*self.action_date.timetuple()[:3])

    user = relationship('User')

    repository = relationship('Repository', cascade='')

class UsersGroup(Base, BaseModel):

    __tablename__ = 'users_groups'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    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(255, 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)

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

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

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

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

    def __unicode__(self):

        return u'<userGroup(%s)>' % (self.users_group_name)

    @classmethod

    def get_by_group_name(cls, group_name, cache=False,

                          case_insensitive=False):

        if case_insensitive:

            q = cls.query().filter(cls.users_group_name.ilike(group_name))

        else:

            q = cls.query().filter(cls.users_group_name == group_name)

        if cache:

            q = q.options(FromCache(

                            "sql_cache_short",

                            "get_user_%s" % _hash_key(group_name)

                          )

            )

        return q.scalar()

    @classmethod

    def get(cls, users_group_id, cache=False):

        users_group = cls.query()

        if cache:

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

                                    "get_users_group_%s" % users_group_id))

        return users_group.get(users_group_id)

    def get_api_data(self):

        users_group = self

        data = dict(

            users_group_id=users_group.users_group_id,

            group_name=users_group.users_group_name,

            active=users_group.users_group_active,

        )

        return data

class UsersGroupMember(Base, BaseModel):