Subversion Repositories SmartDukaan

'''

Created on 28-Apr-2010

@author: ashish

'''

from shop2020.model.v1.user.impl import Dataservice

from shop2020.utils.Utils import log_entry, to_py_date, to_java_date

from shop2020.model.v1.user.impl.Dataservice import User, PrimaryInfo, IPMap,\

    Address, SocialService, SocialHandle, State, InternalInfo

from shop2020.thriftpy.model.v1.user.ttypes import UserContextException,\

    AuthenticationException, AccountStatus

from elixir import session

import datetime

def initialize():

    log_entry("initialize@DataAccessor", "Initializing data service")

    Dataservice.initialize()

def create_context(user_context):

    if user_context.id:

        raise UserContextException(109, "id is set, user cannot be created")

    user_context_to_add = User()

    if user_context.primaryInfo:

        primary_info = PrimaryInfo()

        if  user_context.primaryInfo.firstName:

            primary_info.first_name = user_context.primaryInfo.firstName

        if  user_context.primaryInfo.middleName:

            primary_info.middle_name = user_context.primaryInfo.middleName

        if  user_context.primaryInfo.lastName:

            primary_info.last_name = user_context.primaryInfo.lastName

        if  user_context.primaryInfo.title:

            primary_info.title = user_context.primaryInfo.title

        if  user_context.primaryInfo.pictureUrl:

            primary_info.picture_id = user_context.primaryInfo.pictureUrl

        if  user_context.primaryInfo.email:

            primary_info.email = user_context.primaryInfo.email

        if  user_context.primaryInfo.userHandle:

            primary_info.user_handle = user_context.primaryInfo.userHandle

        if  user_context.primaryInfo.password:

            primary_info.password = user_context.primaryInfo.password

        if  user_context.primaryInfo.occupation:

            primary_info.occupation = user_context.primaryInfo.occupation

        if  user_context.primaryInfo.hintQuestion:

            primary_info.hint_question = user_context.primaryInfo.hintQuestion

        if  user_context.primaryInfo.hintAnswer:

            primary_info.hint_answer = user_context.primaryInfo.hintAnswer

        if  user_context.primaryInfo.shipmentOption:

            primary_info.shipment_option = user_context.primaryInfo.shipmentOption

        if  user_context.primaryInfo.firstName:

            primary_info.first_name = user_context.primaryInfo.firstName

        primary_info.user = user_context_to_add 

    if user_context.sessionId:

        user_context_to_add.session_id = user_context.sessionId

    primary_info = PrimaryInfo()

    internal_info = InternalInfo()

    user_state = State()

    #initialize internal info 

    internal_info.geo_zone = 0

    internal_info.shipment_zone = 0

    internal_info.tax_zone = 0

    internal_info.rank_score = 0.0

    internal_info.user = user_context_to_add

    #initialize userState

    user_state.is_email_verified = False

    user_state.is_sms_verified = False

    user_state.is_logged_in = False

    user_state.account_status = AccountStatus.ACTIVE

    user_state.is_enrolled = False

    user_state.last_login_timestamp = 0

    user_state.last_logout = 0

    user_state.ip_list = []

    user_state.active_since = datetime.datetime.now()

    user_state.current_shopping_cart = user_context.userState.shoppingCartHandle

    user_state.user = user_context_to_add

    session.commit()

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

# All the validation rules prioir to adding a user to system go here

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

def validate_context_to_add(user_context):

    return True

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

# Need to provide the update apis here for relevant fields in PrimaryInfo.

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

def update_context(user_context):

    pass

def get_context_by_id(user_id):

    return User.get_by(id=user_id)

def get_context_by_session_id(session_id):

    return User.get_by(session_id=session_id)

def get_context_by_email_or_handle(email_or_handle, is_email):

    if is_email:

        primary_info = PrimaryInfo.get_by(email=email_or_handle)

    else:

        primary_info = PrimaryInfo.get_by(user_handle=email_or_handle)

    if primary_info:

        return primary_info.user

    else:

        raise UserContextException(101, "no such user in system")

def get_state(user_id, is_session_id):

    if is_session_id:

        user = get_context_by_session_id(user_id)

    else:

        user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    return user.state

def get_primary_info(user_id, is_session_id):

    if is_session_id:

        user = get_context_by_session_id(user_id)

    else:

        user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    return user.primary_info

def get_internal_info(user_id, is_session_id):

    if is_session_id:

        user = get_context_by_session_id(user_id)

    else:

        user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    return user.internal_info

def get_context(user_handle, password):

    primary_info = PrimaryInfo.get_by(email=user_handle)

    if not primary_info:

        raise AuthenticationException("Wrong username", 102)

    db_password = get_db_password(password)

    if primary_info.password == db_password:

        return primary_info.user

    else:

        raise AuthenticationException("Wrong username or password", 102)

def get_address(address_id):

    address = Address.get_by(id=address_id)

    return address

def get_social_service(service_id):

    service = SocialService.get_by(service_id)

    return service

def authenticate_user(user_handle, password):

    try:

        get_context(user_handle, password)

    except:

        return False

    return True

def user_exists(email):

    user = get_context_by_email_or_handle(email, True)

    if user:

        return True

    else:

        return False

def add_ip_address_for_user(ip_address, time_stamp, user_id):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    #user exists create an ipaddress object

    ip_address = IPMap()

    ip_address.ip = ip_address

    ip_address.timestamp = to_py_date(time_stamp)

    ip_address.user_info = user.state

    session.commit()

    return True

def add_address_for_user(address, user_id, time_stamp):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    if not address:

        raise UserContextException(103,"Address cannot be null")

    address_to_add = Address()

    address_to_add.line_1 = address.line1

    address_to_add.line_2 = address.line2

    address_to_add.landmark = address.landmark

    address_to_add.city = address.city

    address_to_add.country = address.country

    address_to_add.state = address.state

    address_to_add.pin = address.pin

    address_to_add.type = address.type

    address_to_add.added_on = to_py_date(address.addedOn)

    address_to_add.enabled = True

    address_to_add.primary_info = user.primary_info

    session.commit()

    return True

def remove_address_for_user(user_id, address_id):

    address = get_address(address_id) 

    if not address:

        raise UserContextException(103,"Address not found")

    if address.primary_info.user.id != user_id:

        raise UserContextException(104,"This address belongs to some other user")

    #so far so good. Now diable the address

    address.enabled = False

    session.commit()

    return True

def set_user_as_logged_in(user_id, time_stamp):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    user.state.is_logged_in = True

    if not time_stamp:

        user.state.last_login_timestamp = datetime.datetime.now()

    user.state.last_login_timestamp = to_py_date(time_stamp)

    session.commit()

    return True

def set_user_as_logged_out(user_id,time_stamp):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    user.state.is_logged_in = True

    if not time_stamp:

        user.state.last_logout = datetime.datetime.now()

    user.state.last_logout = to_py_date(time_stamp)

    session.commit()

    return True

def update_password(user_id, password):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    if check_for_valid_password(password):

        password_to_update = get_db_password(password)

        user.primary_info.password = password_to_update

        session.commit()

        return True

    else:

        return False

def delete_user(user_id, is_session_id):

    if is_session_id:

        user = get_context_by_session_id(user_id)

    else:

        user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    user.state.account_status = AccountStatus.DELETED

    session.commit()

    return True

def get_social_service_by_name(service_name):

    service = SocialService.get_by(name=service_name)

    if not service:

        raise UserContextException(106, "No such social service exists")

    return service

def add_social_handle(user_id, social_service, handle):

    user = get_context_by_id(user_id)

    if not user:

        raise_user_exception(user_id)

    service = get_social_service_by_name(social_service)

    #get if use already has this service.

    social_handle = SocialHandle.filter(service=service).filter(primary_info=user.primary_info).one()

    if not social_handle:

        #create a new handle

        social_handle = SocialHandle()

        social_handle.service = service

        social_handle.primary_info = user.primary_info

        social_handle.handle = handle

        session.commit()

    else:

        social_handle.handle = handle

        session.commit()

    return True

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

# Helper functions 

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

'''

This function returns the password as stored in the db

'''    

def get_db_password(password):

    return password

def check_for_valid_password(password):

    if not password:

        raise UserContextException(105,"password cannot be null")

    return True

#------------------------------------------------------------------------------ 

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

# raises the UserContextException

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

def raise_user_exception(user_id):

    raise UserContextException(101, "no such user in system %d" %(user_id))