Subversion Repositories SmartDukaan

import urllib2

import simplejson as json

import pymongo

from dtr.utils.utils import to_java_date

from datetime import datetime, timedelta

import time

con = None

headers = { 

           'User-agent':'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11',

            'Accept' : 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',      

            'Accept-Language' : 'en-US,en;q=0.8',                     

            'Accept-Charset' : 'ISO-8859-1,utf-8;q=0.7,*;q=0.3'

        }

def get_mongo_connection(host='localhost', port=27017):

    global con

    if con is None:

        print "Establishing connection %s host and port %d" %(host,port)

        try:

            con = pymongo.MongoClient(host, port)

        except Exception, e:

            print e

            return None

    return con

def updatePrices():

    snapdealBestSellers = list(get_mongo_connection().Catalog.MasterData.find({'rank':{'$gt':0}}))

    for data in snapdealBestSellers:

        if data['source_id']!=3:

            continue

        print data['identifier']

        if data['identifier'] is None or len(data['identifier'].strip())==0:

            print "continue"

            continue

        try:

            if data['priceUpdatedOn'] > to_java_date(datetime.now() - timedelta(minutes=5)):

                print "sku id is already updated",data['_id'] 

                continue

        except:

            pass

        url="http://www.snapdeal.com/acors/json/gvbps?supc=%s&catId=175&sort=sellingPrice"%(data['identifier'].strip())

        print url

        time.sleep(1)

        lowestOfferPrice = 0

        instock = 0

        req = urllib2.Request(url,headers=headers)

        response = urllib2.urlopen(req)

        json_input = response.read()

        if len(json_input) > 0:

            vendorInfo = json.loads(json_input)

            for vendor in vendorInfo:

                lowestOfferPrice = float(vendor['sellingPrice'])

                stock = vendor['buyableInventory']

                if stock > 0 and lowestOfferPrice > 0:

                    instock = 1

                    break

        print lowestOfferPrice

        print instock

        print stock

        print "*************"

        if instock  == 1:

            get_mongo_connection().Catalog.MasterData.update({'_id':data['_id']}, {'$set' : {'available_price':lowestOfferPrice,'updatedOn':to_java_date(datetime.now()),'priceUpdatedOn':to_java_date(datetime.now()),'in_stock':instock}}, multi=True)

            get_mongo_connection().Catalog.Deals.update({'_id':data['_id']}, {'$set' : {'available_price':lowestOfferPrice , 'in_stock':instock}}, multi=True)

        else:

            get_mongo_connection().Catalog.MasterData.update({'_id':data['_id']}, {'$set' : {'updatedOn':to_java_date(datetime.now()),'in_stock':instock,'priceUpdatedOn':to_java_date(datetime.now())}}, multi=True)

            get_mongo_connection().Catalog.Deals.update({'_id':data['_id']}, {'$set' : {'in_stock':instock}}, multi=True)

        try:

            recomputeDeal(data['skuBundleId'])

        except:

            print "Unable to compute deal for ",data['skuBundleId']

def recomputeDeal(skuBundleId):

    """Lets recompute deal for this bundle"""

    print "Recomputing for bundleId",skuBundleId

    similarItems = list(get_mongo_connection().Catalog.Deals.find({'skuBundleId':skuBundleId}).sort([('available_price',pymongo.ASCENDING)]))

    bestPrice = float("inf")

    bestOne = None

    bestSellerPoints = 0

    toUpdate = []

    for similarItem in similarItems:

        if similarItem['in_stock'] == 0 or similarItem['maxprice'] is None or similarItem['maxprice'] < similarItem['available_price']:

            get_mongo_connection().Catalog.Deals.update({ '_id' : similarItem['_id'] }, {'$set':{'showDeal':0 }})

            continue

        if similarItem['available_price'] < bestPrice:

            bestOne = similarItem

            bestPrice = similarItem['available_price']

            bestSellerPoints = similarItem['bestSellerPoints']

        elif similarItem['available_price'] == bestPrice and bestSellerPoints < similarItem['bestSellerPoints']:

            bestOne = similarItem

            bestPrice = similarItem['available_price']

            bestSellerPoints = similarItem['bestSellerPoints']

        else:

            pass

    if bestOne is not None:

        for similarItem in similarItems:

            toUpdate.append(similarItem['_id'])

        toUpdate.remove(bestOne['_id'])

        get_mongo_connection().Catalog.Deals.update({ '_id' : bestOne['_id'] }, {'$set':{'showDeal':1 }})

    if len(toUpdate) > 0:

        get_mongo_connection().Catalog.Deals.update({ '_id' : { "$in": toUpdate } }, {'$set':{'showDeal':0 }},upsert=False, multi=True)

def main():

    updatePrices()

if __name__=='__main__':

    main()