Subversion Repositories SmartDukaan

'''

Created on 29-Mar-2010

@author: ashish

'''

from string import Template

from email.mime.multipart import MIMEMultipart

from shop2020.thriftpy.utils.ttypes import HelperServiceException, Mail

from email.mime.base import MIMEBase

from email import encoders

from email.mime.text import MIMEText

import os

import smtplib

import time

from time import strftime

from shop2020.model.v1.order.impl.DataService import Transaction, LineItem,\

    Alerts, Order, BatchNoGenerator

from shop2020.thriftpy.model.v1.order.ttypes import Transaction as T_Transaction,\

    TransactionServiceException, TransactionStatus, OrderStatus

import datetime

from elixir import *

from shop2020.utils.Utils import to_py_date, to_java_date

from sqlalchemy.sql.expression import and_

from shop2020.model.v1 import order

from shop2020.clients.LogisticsClient import LogisticsClient

from shop2020.clients.InventoryClient import InventoryClient

from shop2020.clients.UserClient import UserClient

def get_new_transaction():

    transaction = Transaction()

    transaction.createdOn = datetime.datetime.now()

    transaction.status = TransactionStatus.INIT

    transaction.status_message = "New transaction"

    return transaction

def create_order(t_order):

    order = Order()

    if t_order.warehouse_id:

        order.warehouse_id = t_order.warehouse_id

    if t_order.logistics_provider_id:    

        order.logistics_provider_id = t_order.logistics_provider_id

        order.airwaybill_no = t_order.airwaybill_no

        order.tracking_id = t_order.tracking_id

    if t_order.expected_delivery_time:    

        order.expected_delivery_time = to_py_date(t_order.expected_delivery_time)

    if t_order.customer_id:    

        order.customer_id = t_order.customer_id

        order.customer_name = t_order.customer_name

        order.customer_city = t_order.customer_city

        order.customer_state = t_order.customer_state

        order.customer_mobilenumber = t_order.customer_mobilenumber

        order.customer_pincode = t_order.customer_pincode

        order.customer_address1 = t_order.customer_address1

        order.customer_address2 = t_order.customer_address2

        order.customer_email = t_order.customer_email

    #new status and status description to be added    

    order.status = t_order.status  

    order.statusDescription = t_order.statusDescription

    order.total_amount = t_order.total_amount

    order.total_weight = t_order.total_weight

    if t_order.created_timestamp:

        order.created_timestamp = to_py_date(t_order.created_timestamp)

    else:

        order.created_timestamp = datetime.datetime.now()

    return order

def create_transaction(t_transaction):

    t_orders = t_transaction.orders

    if not t_orders:

        raise TransactionServiceException(101, "Orders missing from the transaction")

    transaction = get_new_transaction()

    transaction.customer_id = t_transaction.customer_id 

    transaction.shopping_cart_id = t_transaction.shoppingCartid

    for t_order in t_orders:

        order = create_order(t_order)

        order.transaction = transaction 

        for line_item in t_order.lineitems:

            litem = LineItem()

            litem.item_id = line_item.item_id

            litem.productGroup = line_item.productGroup

            litem.brand = line_item.brand

            if line_item.model_number:

                litem.model_number = line_item.model_number

            if line_item.model_name:    

                litem.model_name = line_item.model_name

            if line_item.color:

                litem.color = line_item.color

            if line_item.extra_info:

                litem.extra_info = line_item.extra_info

            litem.quantity = line_item.quantity

            litem.unit_price = line_item.unit_price

            litem.unit_weight = line_item.unit_weight

            litem.total_price = line_item.total_price

            litem.total_weight = line_item.total_weight

            litem.transfer_price = line_item.transfer_price

            """

            if line_item.addedOn:

                litem.added_on = to_py_date(line_item.addedOn)

            else:

                litem.added_on = datetime.datetime.now()

            """

            litem.order = order

    session.commit()

    return transaction.id

def get_transaction(transaction_id):

    transaction = Transaction.get_by(id=transaction_id)

    if not transaction:

        raise TransactionServiceException(108, "no such transaction")

    return transaction

def get_transactions_for_customer(customer_id, from_date, to_date, status):

    if not customer_id:

        raise TransactionServiceException(101, "bad customer id")

    query = Transaction.query.filter(Transaction.customer_id == customer_id)

    if status:

        query = query.filter(Transaction.status == status)

    if from_date:

        query = query.filter(Transaction.createdOn >from_date)

    if to_date:

        query = query.filter(Transaction.createdOn < to_date)

    return query.all()

def get_transactions_for_shopping_cart_id(shopping_cart_id):

    transactions = Transaction.query.filter_by(shopping_cart_id=shopping_cart_id).all()

    if not transactions:

        raise TransactionServiceException(108, "transactions for this shopping cart")

    return transactions

def get_transaction_status(transaction_id):

    if not transaction_id:

        raise TransactionServiceException(101, "bad transaction id")

    transaction = get_transaction(transaction_id)

    return transaction.status

def change_transaction_status(transaction_id, new_status, description):

    transaction = get_transaction(transaction_id)

    transaction.status = new_status

    transaction.status_message = description

    if new_status == TransactionStatus.FAILED:

        for order in transaction.orders:

            order.status = OrderStatus.PAYMENT_FAILED

    elif new_status == TransactionStatus.IN_PROCESS:

        for order in transaction.orders:

            order.status = OrderStatus.SUBMITTED_FOR_PROCESSING

            order.statusDescription = "Submitted to warehouse"

            #After we got payment success, we will set logistics info also 

            logistics_client = LogisticsClient().get_client()

            #FIXME line item is only one now. If multiple will come, need to fix.

            item_id = order.lineitems[0].item_id

            logistics_info = logistics_client.getLogisticsInfo(order.customer_pincode, item_id)

            order.warehouse_id = logistics_info.warehouseId

            order.logistics_provider_id = logistics_info.providerId

            order.airwaybill_no = logistics_info.airway_billno

            order.tracking_id = order.airwaybill_no

            order.expected_delivery_time = datetime.datetime.now() + datetime.timedelta(days=logistics_info.deliveryTime)

            catalog_client = InventoryClient().get_client()

            catalog_client.reserveItemInWarehouse(item_id, logistics_info.warehouseId, order.lineitems[0].quantity)

        #Email the information of order placed to customer

        email_transaction_info_to_user(transaction_id)

    session.commit()

    return True

def email_transaction_info_to_user(transaction_id):

    transaction = get_transaction(transaction_id)

    html_header = """

<html>

<body>

<div>

    <p>

        Hello,<br /><br />

        Thanks for your placing your order with us. Following are the details of your order:

    </p>

    <div>

        Order Date: $order_date

    </div><hr />

    <div>

        <b>Order Details</b>

        <hr />

        <table>

        <tr>

            <th>Order No.</th>

            <th>Product</th>

            <th>Quantity</th>

            <th>Unit Price</th>

            <th>Amount</th>

        </tr>

    """

    total_amount = 0.0

    html_table = ""

    for order in transaction.orders:

        order_date = order.created_timestamp

        html_tr = "<tr><td>" + str(order.id) + "</td>"

        for lineitem in order.lineitems:

            html_tr += "<td>" + " ".join([lineitem.brand, lineitem.model_name, lineitem.model_number, lineitem.color]) + "</td>"

            html_tr += "<td>" + str(lineitem.quantity) + "</td>"

            html_tr += "<td>" + str(lineitem.unit_price) + "</td>"

            html_tr += "<td>" + str(lineitem.total_price) + "</td></tr>"

            total_amount += lineitem.total_price

            html_table += html_tr

    html_footer = """

        <tr><td colspan=5>&nbsp;</td></tr>

        <tr>

            <td colspan=4>Total Amount</td>

            <td>$total_amount</td>

        </tr>

        </table>

    </div><hr />

    <p>

        Best Wishes,<br />

        Saholic Team

    </p>

</div>

</body>

</html>

    """

#    formated_order_date = strftime("%B %d, %Y %H:%M %p", time.strptime(order_date, "%Y-%m-%d %H:%M:%S"))

    formated_order_date = order_date

    email_header = Template(html_header).substitute(dict(order_date = formated_order_date))

    email_footer = Template(html_footer).substitute(dict(total_amount = total_amount))

    user_client = UserClient().get_client()

    user = user_client.getUserById(transaction.customer_id)

    sendMail(Email(email_header + html_table + email_footer, "Saholic - Order Details", user.email))

    return True

class Email:

    def __init__(self, message, subject, to):

        self.data = message

        self.sender = ''

        self.subject = subject

        self.to = [to]

def sendMail(mail):

    if not mail:

        raise Exception(101, "mail not present")

    #msg = MIMEMultipart()

    #mail = Mail()

    if mail.sender:

        mail.data = "This mail is sent by " + mail.sender + "\n" + mail.data

    msg = MIMEText(mail.data, 'html')

    msg['To'] = ', '.join( mail.to )

    if mail.sender:

        msg['From'] = mail.sender

    else:    

        msg['From'] = "help@saholic.com"

    msg['Subject'] = mail.subject

    #msg.attach(mail.data)

    for to in mail.to:

        mail.sender = "help@shop2020.in"

        mail.password = "5h0p2o2o"

        mailServer = smtplib.SMTP("smtp.gmail.com", 587)

        mailServer.ehlo()

        mailServer.starttls()

        mailServer.ehlo()

        mailServer.login(mail.sender, mail.password)

        mailServer.sendmail(mail.password, to, msg.as_string())

        # Should be mailServer.quit(), but that crashes...

        mailServer.close()

def get_order(order_id):

    order = Order.get_by(id=order_id)

    if not order:

        raise TransactionServiceException(108, "no such order")

    return order

def get_orders_for_customer(customer_id, from_date, to_date, status):

    if not customer_id:

        raise TransactionServiceException(101, "bad customer id")

    query = Order.query.filter(Order.customer_id == customer_id)

    if status:

        query = query.filter(Order.status == status)

    if from_date:

        query = query.filter(Order.created_timestamp >from_date)

    if to_date:

        query = query.filter(Order.created_timestamp < to_date)

    return query.all()

def get_all_orders(status, from_date, to_date, warehouse_id):

    if not warehouse_id:

        raise TransactionServiceException(101, "bad warehouse id")

    query = Order.query.filter(Order.warehouse_id == warehouse_id)

    if status:

        query = query.filter(Order.status == status)

    if from_date:

        query = query.filter(Order.created_timestamp >from_date)

    if to_date:

        query = query.filter(Order.created_timestamp < to_date)

    return query.all()

def get_orders_by_billing_date(status, start_billing_date, end_billing_date, warehouse_id):

    if not warehouse_id:

        raise TransactionServiceException(101, "bad warehouse id")

    query = Order.query.filter(Order.warehouse_id == warehouse_id)

    if status:

        query = query.filter(Order.status == status)

    if start_billing_date:

        query = query.filter(Order.billing_timestamp >= start_billing_date)

    if end_billing_date:

        query = query.filter(Order.billing_timestamp <= end_billing_date)

    return query.all()

def get_orders_for_transaction(transaction_id):

    orders = Order.query.filter_by(transaction_id=transaction_id).all()

    if not orders:

        raise TransactionServiceException(101, "No order for the transaction")

    return orders

def get_line_items_for_order(order_id):

    query = LineItem.query.filter(LineItem.order_id == order_id)

    return query.all()

def change_order_status(self, orderId, status, description):

    order = get_order(orderId)

    order.status = status

    order.statusDescription = description

    session.commit()

    return True

def accept_order(self, orderId):

    order = get_order(orderId)

    order.status = OrderStatus.ACCEPTED

    order.statusDescription = "Order Accepted"

    order.accepted_timestamp = datetime.datetime.now()

    session.commit()

    return True

def bill_order(self, orderId):

    order = get_order(orderId)

    order.status = OrderStatus.BILLED

    order.statusDescription = "Order Billed"

    order.billing_timestamp = datetime.datetime.now()

    session.commit()

    return True

def add_billing_details(orderId, invoice_number, billed_by):

    order = Order.get_by(id=orderId)

    if not order:

        raise TransactionServiceException(101, "No order found for the givem orderid")

    order.invoice_number = invoice_number

    order.billed_by = billed_by

    session.commit()

    return True

def add_jacket_number(orderId, jacket_number):

    order = Order.get_by(id=orderId)

    if not order:

        raise TransactionServiceException(101, "No order found for the givem orderid")

    order.jacket_number = jacket_number 

    session.commit()

    return True

def batch_orders(warehouseId):

    if not warehouseId:

        raise TransactionServiceException(101, "bad warehouse id")

    batchno_generator = BatchNoGenerator()

    session.commit()

    query = Order.query.filter_by(warehouse_id=warehouseId)

    query = query.filter_by(status=OrderStatus.SUBMITTED_FOR_PROCESSING)

    query = query.order_by(Order.created_timestamp)

    pending_orders = query.all()

    serial_no = 1

    for order in pending_orders:

        order.batchNo = batchno_generator.id #FIXME: Batch numbers should be read from a batch number generator

        order.serialNo = serial_no

        serial_no += 1

    session.commit() 

    pending_orders = query.all()

    return pending_orders

def order_outofstock(orderId):

    order = get_order(orderId)

    order.status = OrderStatus.INVENTORY_LOW

    order.statusDescription = "Low Inventory"

    order.outofstock_timestamp = datetime.datetime.now()

    session.commit()

    return True

def mark_orders_as_manifested(warehouse_id, provider_id):

    try:

        current_timestamp = datetime.datetime.now()

        orders = Order.query.filter_by(warehouse_id = warehouse_id, logistics_provider_id = provider_id, status = OrderStatus.BILLED).all()

        for order in orders:

            order.status = OrderStatus.SHIPPED_FROM_WH

            order.statusDescription = "Order shipped from warehouse"

            order.shipping_timestamp = current_timestamp

        session.commit()

        return True

    except:

        return False

def mark_orders_as_picked_up(provider_id, pickup_details):

    for awb, pickup_timestamp in pickup_details.iteritems():

        order = Order.query.filter_by(airwaybill_no=awb, logistics_provider_id = provider_id).first()

        if order == None:

            raise TransactionServiceException(102, "No order found for the awb: " + awb)

        order.status = OrderStatus.SHIPPED_TO_LOGST

        order.statusDescription = "Order picked up by Courier Company"

        order.pickup_timestamp = pickup_timestamp

    session.commit()

    current_time = datetime.datetime.now()

    to_datetime = datetime.datetime(current_time.year, current_time.month, current_time.day)

    from_datetime = to_datetime - datetime.timedelta(2)

    orders_not_picked_up = Order.query.filter_by(logistics_provider_id = provider_id).filter_by(status=OrderStatus.SHIPPED_FROM_WH).filter(Order.shipping_timestamp >= from_datetime).filter(Order.shipping_timestamp <= to_datetime).all()

    return orders_not_picked_up

def mark_orders_as_delivered(provider_id, delivered_orders):

    for awb, detail in delivered_orders.iteritems():

        order = Order.query.filter_by(airwaybill_no=awb, logistics_provider_id = provider_id).first()

        if order == None:

            raise TransactionServiceException(103, "No order found for the awb:" + awb)

        order.status = OrderStatus.DELIVERY_SUCCESS

        order.statusDescription = "Order delivered"

        order.delivery_timestamp, order.receiver = detail.split('|')

    session.commit()

def mark_orders_as_failed(provider_id, returned_orders):

    for awb, detail in returned_orders.iteritems():

        order = Order.query.filter_by(airwaybill_no=awb, logistics_provider_id = provider_id).first()

        if order == None:

            raise TransactionServiceException(103, "No order found for the awb:" + awb)

        order.status = OrderStatus.FAILED

        order.delivery_timestamp, reason = detail.split('|')

        order.statusDescription = "Order Returned to Origin:" + reason

    session.commit()    

def update_non_delivery_reason(provider_id, undelivered_orders):

    for awb, reason in undelivered_orders.iteritems():

        order = Order.query.filter_by(airwaybill_no=awb, logistics_provider_id = provider_id).first()

        if order == None:

            raise TransactionServiceException(103, "No order found for the awb:" + awb)

        order.statusDescription = reason

    session.commit()

def get_alerts(order_id, all):

    query = Alerts.query.filter_by(order_id=order_id)

    if not all:

        query = query.filter_by(valid=True)

    return query.all()

def set_alert(order_id, unset, type, comment):

    #get existing alert

    if unset:

        query = Alerts.query.filter_by(order_id=order_id)

        query = query.filter_by(type=type)

        alerts = query.all()

        for alert in alerts:

            if alert.valid:

                alert.valid = False

                alert.comment = comment

                alert.time_unset = datetime.datetime.now()

    else:

        alert = Alerts()

        alert.order_id = order_id

        alert.valid = True

        alert.type = type

        alert.comment = comment

        alert.time_set = datetime.datetime.now()

    session.commit()    

def close_session():

    if session.is_active:

        print "session is active. closing it."

        session.close()