Subversion Repositories SmartDukaan

import pymongo

from dtr.utils.utils import to_java_date, getNlcPoints

from datetime import datetime, timedelta

from operator import itemgetter

from dtr.utils import PaytmOfferScraper, PaytmScraper

from multiprocessing import Pool as ThreadPool

from multiprocessing import cpu_count

import optparse

from dtr.storage.MemCache import MemCache

from dtr.utils.utils import getCashBack

import traceback

con = None

parser = optparse.OptionParser()

parser.add_option("-m", "--m", dest="mongoHost",

                      default="localhost",

                      type="string", help="The HOST where the mongo server is running",

                      metavar="mongo_host")

(options, args) = parser.parse_args()

mc = MemCache(options.mongoHost)

ignoreItems = []

SOURCE_MAP = {'AMAZON':1,'FLIPKART':2,'SNAPDEAL':3,'SAHOLIC':4, 'SHOPCLUES.COM':5,'PAYTM.COM':6}

def get_mongo_connection(host=options.mongoHost, 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 populate():

    toScrapMap = {}

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

    for bestSeller in bestSellers: 

        paytmBestSellers = list(get_mongo_connection().Catalog.MasterData.find({'skuBundleId':bestSeller['skuBundleId'],'source_id':6}))

        for data in paytmBestSellers:

            if not toScrapMap.has_key(data['_id']):

                data['dealFlag'] = 0

                data['dealType'] = 0

                data['dealPoints'] = 0

                data['manualDealThresholdPrice'] = None

                toScrapMap[data['_id']] = data

    dealFlagged = list(get_mongo_connection().Catalog.Deals.find({'source_id':6,'showDeal':1,'totalPoints':{'$gt':-100}}))

    for deal in dealFlagged:

        if not toScrapMap.has_key(deal['_id']):

            data = list(get_mongo_connection().Catalog.MasterData.find({'_id':deal['_id']}))

            data[0]['dealFlag'] = 0

            data[0]['dealType'] = 0

            data[0]['dealPoints'] = 0

            data[0]['manualDealThresholdPrice'] = None

            toScrapMap[deal['_id']] = data[0]

    manualDeals = list(get_mongo_connection().Catalog.ManualDeals.find({'startDate':{'$lte':to_java_date(datetime.now())},'endDate':{'$gte':to_java_date(datetime.now())},'source_id':6}))

    for manualDeal in manualDeals:

        if not toScrapMap.has_key(manualDeal['sku']):

            data = list(get_mongo_connection().Catalog.MasterData.find({'_id':manualDeal['sku']}))

            if len(data) > 0:

                data[0]['dealFlag'] = 1

                data[0]['dealType'] = manualDeal['dealType']

                data[0]['dealPoints'] = manualDeal['dealPoints']

                data[0]['manualDealThresholdPrice'] = manualDeal['dealThresholdPrice']

                toScrapMap[manualDeal['sku']] = data[0]

        else:

            data = toScrapMap.get(manualDeal['sku'])

            data['dealFlag'] = 1

            data['dealType'] = manualDeal['dealType']

            data['dealPoints'] = manualDeal['dealPoints']

            data['manualDealThresholdPrice'] = manualDeal['dealThresholdPrice']

    pool = ThreadPool(cpu_count() *2)

    pool.map(scrapePaytm,toScrapMap.values())

    pool.close()

    pool.join()

    print "joining threads at %s"%(str(datetime.now()))

def scrapePaytm(data):

    if data['source_id']!=6:

        return

    retryCount = 0

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

        print "returning in valid identifier"

        return

    if data['_id'] in ignoreItems:

        print "Ignored items returning for %d"%(data['_id'])

        return 

    try:

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

            print "sku id is already updated %d" %(data['_id']) 

            return

    except:

        pass

    paytmScraper = PaytmScraper.PaytmScraper()

    url = "https://catalog.paytm.com/v1/mobile/product/%s"%(data['identifier'].strip())

    try:

        result = paytmScraper.read(url)

        effective_price = result.get('offerPrice')

        coupon = ""

        try:

            offers = PaytmOfferScraper.fetchOffers(result['offerUrl'])

            bestOffer = {}

            for offer_data in offers.get('codes'):

                if effective_price < offer_data.get('effective_price'):

                    effective_price = offer_data.get('effective_price')

                    bestOffer = offer_data

                    coupon = bestOffer.get('code')

        except:

            pass

        available_price = effective_price 

        if result['inStock']:

            get_mongo_connection().Catalog.MasterData.update({'_id':data['_id']}, {'$set' : {'available_price':available_price,'updatedOn':to_java_date(datetime.now()),'priceUpdatedOn':to_java_date(datetime.now()),'in_stock':1,'buyBoxFlag':1,'codAvailable':result.get('cod'),'coupon':coupon}})

            get_mongo_connection().Catalog.Deals.update({'_id':data['_id']}, {'$set' : {'available_price':available_price , 'in_stock':1,'codAvailable':result.get('cod')}})

        else:

            get_mongo_connection().Catalog.MasterData.update({'_id':data['_id']}, {'$set' : {'updatedOn':to_java_date(datetime.now()),'in_stock':0,'priceUpdatedOn':to_java_date(datetime.now()),'buyBoxFlag':1,'codAvailable':result.get('cod'),'coupon':coupon}})

            get_mongo_connection().Catalog.Deals.update({'_id':data['_id']}, {'$set' : {'in_stock':0,'codAvailable':result.get('cod')}})

    except:

        get_mongo_connection().Catalog.MasterData.update({'_id':data['_id']}, {'$set' : {'updatedOn':to_java_date(datetime.now()),'in_stock':0,'priceUpdatedOn':to_java_date(datetime.now()),'buyBoxFlag':1}})

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

    try:

        recomputeDeal(data)

    except:

        print "Unable to compute deal for %s"%(data['skuBundleId'])

def recomputePoints(item, deal):

    try:

        if item.get('available_price') == deal['available_price']:

            print "No need to compute points for %d , as price is still same" %(item['_id'])

            raise

        nlcPoints = getNlcPoints(item, deal['minNlc'], deal['maxNlc'], deal['available_price'])

    except:

        print traceback.print_exc()

        nlcPoints = deal['nlcPoints']

    if item['manualDealThresholdPrice'] >= deal['available_price']:

        dealPoints = item['dealPoints']

    else:

        dealPoints = 0

    get_mongo_connection().Catalog.Deals.update({'_id':deal['_id']},{"$set":{'totalPoints':deal['totalPoints'] - deal['nlcPoints'] + nlcPoints - deal['dealPoints'] +dealPoints , 'nlcPoints': nlcPoints, 'dealPoints': dealPoints, 'manualDealThresholdPrice': item['manualDealThresholdPrice']}})

def populateNegativeDeals():

    negativeDeals = get_mongo_connection().Catalog.NegativeDeals.find().distinct('sku')

    mc.set("negative_deals", negativeDeals, 600)  

def recomputeDeal(item):

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

    print "Recomputing for bundleId %d" %(item.get('skuBundleId'))

    skuBundleId = item['skuBundleId']

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

    bestPrice = float("inf")

    bestOne = None

    bestSellerPoints = 0

    toUpdate = []

    prepaidBestPrice = float("inf")

    prepaidBestOne = None

    prepaidBestSellerPoints = 0

    for similarItem in similarItems:

        if similarItem['_id'] == item['_id']:

            try:

                recomputePoints(item, similarItem)

            except:

                traceback.print_exc()

        if similarItem['codAvailable'] ==1:

            if mc.get("negative_deals") is None:

                populateNegativeDeals()

            if similarItem['in_stock'] == 0  or similarItem['_id'] in mc.get("negative_deals"):

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

                continue

            if similarItem['source_id'] == SOURCE_MAP.get('SHOPCLUES.COM') and similarItem['rank']==0:

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

        else:

            if mc.get("negative_deals") is None:

                populateNegativeDeals()

            if similarItem['in_stock'] == 0  or similarItem['_id'] in mc.get("negative_deals"):

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

                continue

            if similarItem['source_id'] == SOURCE_MAP.get('SHOPCLUES.COM') and similarItem['rank']==0:

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

                continue

            if similarItem['available_price'] < prepaidBestPrice:

                prepaidBestOne = similarItem

                prepaidBestPrice = similarItem['available_price']

                prepaidBestSellerPoints = similarItem['bestSellerPoints']

            elif similarItem['available_price'] == prepaidBestPrice and prepaidBestSellerPoints < similarItem['bestSellerPoints']:

                prepaidBestOne = similarItem

                prepaidBestPrice = similarItem['available_price']

                prepaidBestSellerPoints = similarItem['bestSellerPoints']

            else:

                pass

    if bestOne is not None or prepaidBestOne is not None:

        for similarItem in similarItems:

            toUpdate.append(similarItem['_id'])

        if bestOne is not None:

            toUpdate.remove(bestOne['_id'])

            get_mongo_connection().Catalog.Deals.update({ '_id' : bestOne['_id'] }, {'$set':{'showDeal':1,'prepaidDeal':0 }})

        if prepaidBestOne is not None:

            if bestOne is not None:

                if prepaidBestOne['available_price'] < bestOne['available_price']: 

                    toUpdate.remove(prepaidBestOne['_id'])

                    get_mongo_connection().Catalog.Deals.update({ '_id' : prepaidBestOne['_id'] }, {'$set':{'showDeal':0,'prepaidDeal':1 }})

            else:

                toUpdate.remove(prepaidBestOne['_id'])

                get_mongo_connection().Catalog.Deals.update({ '_id' : prepaidBestOne['_id'] }, {'$set':{'showDeal':0,'prepaidDeal':1 }})

    if len(toUpdate) > 0:

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

def main():

    populate()

if __name__=='__main__':

    main()