Subversion Repositories SmartDukaan

import pymongo

from elixir import *

from datetime import datetime

from datetime import timedelta

from dtr.main import Store

from dtr.utils.utils import to_java_date

from operator import itemgetter

from bson.objectid import ObjectId

from dtr.storage import DataService

from dtr.storage.DataService import price_preferences, brand_preferences, \

user_actions

from dtr.storage.MemCache import MemCache

con = None

cashBackMap = {}

itemCashBackMap = {}

DataService.initialize(db_hostname="localhost")

mc = MemCache("127.0.0.1")

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 populateCashBack():

    print "Populating cashback"

    global cashBackMap

    global itemCashBackMap

    cashBackMap = {}

    itemCashBackMap = {}

    cashBack = list(get_mongo_connection().Catalog.CategoryCashBack.find())

    for row in cashBack:

        temp_map = {}

        temp_list = []

        if cashBackMap.has_key(row['source_id']):

            arr = cashBackMap.get(row['source_id'])

            for val in arr:

                temp_list.append(val)

            temp_map[row['category_id']] = row

            temp_list.append(temp_map)

            cashBackMap[row['source_id']] = temp_list 

        else:

            temp_map[row['category_id']] = row

            temp_list.append(temp_map)

            cashBackMap[row['source_id']] = temp_list

    itemCashBack = list(get_mongo_connection().Catalog.ItemCashBack.find())

    for row in itemCashBack:

        if not itemCashBackMap.has_key(row['skuId']):

            itemCashBackMap[row['skuId']] = row

def addCategoryDiscount(data):

    collection = get_mongo_connection().Catalog.CategoryDiscount

    query = []

    data['brand'] = data['brand'].strip().upper()

    data['discountType'] = data['discountType'].upper().strip()

    query.append({"brand":data['brand']})

    query.append({"category_id":data['category_id']})

    r = collection.find({"$and":query})

    if r.count() > 0:

        return {0:"Brand & Category info already present."}

    else:

        collection.insert(data)

        get_mongo_connection().Catalog.MasterData.update({'brand':data['brand'],'category_id':data['category_id']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=True)

        return {1:"Data added successfully"}

def updateCategoryDiscount(data,_id):

    try:

        collection = get_mongo_connection().Catalog.CategoryDiscount

        collection.update({'_id':ObjectId(_id)},{"$set":{'min_discount':data['min_discount'],'max_discount':data['max_discount'],'discountType':data['discountType'].upper().strip()}},upsert=False, multi = False)

        get_mongo_connection().Catalog.MasterData.update({'brand':data['brand'],'category_id':data['category_id']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=True)

        return {1:"Data updated successfully"}

    except:

        return {0:"Data not updated."}

def getAllCategoryDiscount():

    data = []

    collection = get_mongo_connection().Catalog.CategoryDiscount

    cursor = collection.find()

    for val in cursor:

        data.append(val)

    return data

def addSchemeDetailsForSku(data):

    collection = get_mongo_connection().Catalog.SkuSchemeDetails

    data['addedOn'] = to_java_date(datetime.now())

    collection.insert(data)

    return {1:"Data added successfully"}

def getAllSkuWiseSchemeDetails():

    data = []

    collection = get_mongo_connection().Catalog.SkuSchemeDetails

    cursor = collection.find()

    for val in cursor:

        data.append(val)

    return data

def addSkuDiscountInfo(data):

    collection = get_mongo_connection().Catalog.SkuDiscountInfo

    cursor = collection.find({"sku":data['sku']})

    if cursor.count() > 0:

        return {0:"Sku information already present."}

    else:

        collection.insert(data)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data added successfully"}

def getallSkuDiscountInfo(offset, limit):

    data = []

    collection = get_mongo_connection().Catalog.SkuDiscountInfo

    cursor = collection.find().skip(offset).limit(limit)

    for val in cursor:

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

        if len(master) > 0:

            val['brand'] = master['brand']

            val['source_product_name'] = master['source_product_name']

            val['skuBundleId'] = master['skuBundleId']

        else:

            val['brand'] = ""

            val['source_product_name'] = ""

            val['skuBundleId'] = ""

        data.append(val)

    return data

def updateSkuDiscount(data,_id):

    try:

        collection = get_mongo_connection().Catalog.SkuDiscountInfo

        collection.update({'_id':ObjectId(_id)},{"$set":{'min_discount':data['min_discount'],'max_discount':data['max_discount'],'discountType':data['discountType'].upper().strip()}},upsert=False, multi = False)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data updated successfully"}

    except:

        return {0:"Data not updated."}

def addExceptionalNlc(data):

    collection = get_mongo_connection().Catalog.ExceptionalNlc

    cursor = collection.find({"sku":data['sku']})

    if cursor.count() > 0:

        return {0:"Sku information already present."}

    else:

        collection.insert(data)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data added successfully"}

def getAllExceptionlNlcItems(offset, limit):

    data = []

    collection = get_mongo_connection().Catalog.ExceptionalNlc

    cursor = collection.find()

    for val in cursor:

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

        if len(master) > 0:

            val['brand'] = master['brand']

            val['source_product_name'] = master['source_product_name']

            val['skuBundleId'] = master['skuBundleId']

        else:

            val['brand'] = ""

            val['source_product_name'] = ""

            val['skuBundleId'] = ""

        data.append(val)

    return data

def getMerchantOrdersByUser(userId, page=1, window=50, searchMap={}):

    if searchMap is None:

        searchMap = {}

    if page==None:

        page = 1

    if window==None:

        window = 50

    result = {}

    skip = (page-1)*window

    searchMap['userId'] = userId

    collection = get_mongo_connection().Dtr.merchantOrder

    cursor = collection.find(searchMap).sort("_id",-1)

    total_count = cursor.count()

    pages = total_count/window + (0 if total_count%window==0 else 1)  

    print "total_count", total_count

    if total_count > skip:

        cursor = cursor.skip(skip).limit(window)

        orders = []

        for order in cursor:

            del(order["_id"])

            orders.append(order)

        result['data'] = orders

        result['window'] = window

        result['totalCount'] = total_count 

        result['currCount'] = cursor.count()

        result['totalPages'] = pages

        result['currPage'] = page    

        return result

    else:

        return result

def getRefunds(userId, page=1, window=10):

    if page==None:

        page = 1

    if window==None:

        window = 10

    result = {}

    skip = (page-1)*window

    collection = get_mongo_connection().Dtr.refund

    cursor = collection.find({"userId":userId})

    total_count = cursor.count()

    pages = total_count/window + (0 if total_count%window==0 else 1)  

    print "total_count", total_count

    if total_count > skip:

        cursor = cursor.skip(skip).limit(window).sort([('batchId',-1)])

        refunds = []

        for refund in cursor:

            del(refund["_id"])

            refunds.append(refund)

        result['data'] = refunds

        result['window'] = window

        result['totalCount'] = total_count 

        result['currCount'] = cursor.count()

        result['totalPages'] = pages

        result['currPage'] = page    

        return result

    else:

        return result

def getPendingRefunds(userId):

    print type(userId)

    result = get_mongo_connection().Dtr.merchantOrder\

        .aggregate([

                    {'$match':{'subOrders.cashBackStatus':Store.CB_APPROVED, 'userId':userId}},

                    {'$unwind':"$subOrders"},

                    { 

                     '$group':{

                               '_id':None,

                               'amount': { '$sum':'$subOrders.cashBackAmount'},

                               }

                     }

                ])['result']

    if len(result)>0:

        result = result[0]        

        result.pop("_id")

    else:

        result={}

        result['amount'] = 0.0

    result['nextCredit'] = datetime.strftime(next_weekday(datetime.now(), 0),"%Y-%m-%d %H:%M:%S")

    return result

def __populateCache(userId):

    print "Populating memcache for userId",userId

    outer_query = []

    outer_query.append({"showDeal":1})

    query = {}

    query['$gt'] = 0

    outer_query.append({'totalPoints':query})

    brandPrefMap = {}

    pricePrefMap = {}

    actionsMap = {}

    brand_p = session.query(price_preferences).filter_by(user_id=userId).all()

    for x in brand_p:

        pricePrefMap[x.category_id] = [x.min_price,x.max_price]

    for x in session.query(brand_preferences).filter_by(user_id=userId).all():

        temp_map = {}

        if brandPrefMap.has_key((x.brand).strip().upper()):

            val = brandPrefMap.get((x.brand).strip().upper())

            temp_map[x.category_id] = 1 if x.status == 'show' else 0

            val.append(temp_map)

        else:

            temp = []

            temp_map[x.category_id] = 1 if x.status == 'show' else 0

            temp.append(temp_map)

            brandPrefMap[(x.brand).strip().upper()] = temp

    for x in session.query(user_actions).filter_by(user_id=userId).all():

        actionsMap[x.store_product_id] = 1 if x.action == 'like' else 0

    all_deals = list(get_mongo_connection().Catalog.Deals.find({"$and":outer_query},{'_id':1,'category_id':1,'brand':1,'totalPoints':1,'bestSellerPoints':1,'nlcPoints':1,'rank':1,'available_price':1}).sort([('totalPoints',pymongo.DESCENDING),('bestSellerPoints',pymongo.DESCENDING),('nlcPoints',pymongo.DESCENDING),('rank',pymongo.DESCENDING)]))

    all_category_deals = []

    mobile_deals = []

    tablet_deals = []

    for deal in all_deals:

        if actionsMap.get(deal['_id']) == 0:

            fav_weight =.25

        elif actionsMap.get(deal['_id']) == 1:

            fav_weight = 1.5

        else:

            fav_weight = 1

        if brandPrefMap.get(deal['brand'].strip().upper()) is not None:

            brand_weight = 1

            for brandInfo in brandPrefMap.get(deal['brand'].strip().upper()):

                if brandInfo.get(deal['category_id']) is not None:

                    if brandInfo.get(deal['category_id']) == 1:

                        brand_weight = 1.5

        else:

            brand_weight = 1

        if pricePrefMap.get(deal['category_id']) is not None:

            if deal['available_price'] >= pricePrefMap.get(deal['category_id'])[0] and deal['available_price'] <= pricePrefMap.get(deal['category_id'])[1]:

                asp_weight = 1.5

            elif  deal['available_price'] >= pricePrefMap.get(deal['category_id'])[0] - 0.5 * pricePrefMap.get(deal['category_id'])[0] and deal['available_price'] <= pricePrefMap.get(deal['category_id'])[1] + 0.5 * pricePrefMap.get(deal['category_id'])[1]:

                asp_weight = 1.2

            else:

                asp_weight = 1

        else:

            asp_weight = 1

        persPoints = deal['totalPoints'] * fav_weight * brand_weight * asp_weight

        deal['persPoints'] = persPoints

        if deal['category_id'] ==3:

            mobile_deals.append(deal)

        elif deal['category_id'] ==5:

            tablet_deals.append(deal)

        else:

            continue

        all_category_deals.append(deal)

    mem_cache_val = {3:mobile_deals, 5:tablet_deals, 0:all_deals}

    mc.set(str(userId), mem_cache_val)

def getNewDeals(userId, category_id, offset, limit, sort, direction):

    if not bool(cashBackMap):

        populateCashBack()

    rank = 1

    dealsMap = {}

    user_specific_deals = mc.get(str(userId))

    if user_specific_deals is None:

        __populateCache(userId)

        user_specific_deals = mc.get(str(userId))

    else:

        print "Getting user deals from cache"

    category_specific_deals = user_specific_deals.get(category_id)

    if sort is None or direction is None:

        sorted_deals = sorted(category_specific_deals, key = lambda x: (x['persPoints'],x['totalPoints'],x['bestSellerPoints'], x['nlcPoints'], x['rank']),reverse=True)

    else:

        if sort == "bestSellerPoints":

            sorted_deals = sorted(category_specific_deals, key = lambda x: (x['bestSellerPoints'], x['rank'], x['nlcPoints']),reverse=True)

        else:

            if direction == -1:

                rev = True

            else:

                rev = False

            sorted_deals = sorted(category_specific_deals, key = lambda x: (x['available_price']),reverse=rev)

    for d in sorted_deals[offset:offset+limit]:

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

        if not dealsMap.has_key(item[0]['identifier']):

            item[0]['dealRank'] = rank

            item[0]['persPoints'] = d['persPoints']

            try:

                cashBack = __getCashBack(item[0]['_id'], item[0]['source_id'], item[0]['category_id'])

                if not cashBack or cashBack.get('cash_back_status')!=1:

                    item[0]['cash_back_type'] = 0

                    item[0]['cash_back'] = 0

                else:

                    item[0]['cash_back_type'] = cashBack['cash_back_type']

                    item[0]['cash_back'] = cashBack['cash_back']

            except:

                print "Error in adding cashback to deals"

                item[0]['cash_back_type'] = 0

                item[0]['cash_back'] = 0

            dealsMap[item[0]['identifier']] = item[0]

            rank +=1

    return sorted(dealsMap.values(), key=itemgetter('dealRank'))

def getDeals(userId, category_id, offset, limit, sort, direction):

    if not bool(cashBackMap):

        populateCashBack()

    rank = 1

    deals = {}

    outer_query = []

    outer_query.append({"showDeal":1})

    query = {}

    query['$gt'] = 0

    outer_query.append({'totalPoints':query})

    if category_id in (3,5):

        outer_query.append({'category_id':category_id})

    if sort is None or direction is None:

        direct = -1

        print outer_query

        data = list(get_mongo_connection().Catalog.Deals.find({"$and":outer_query}).sort([('totalPoints',direct),('bestSellerPoints',direct),('nlcPoints',direct),('rank',direct)]).skip(offset).limit(limit))

    else:

        print outer_query

        direct = direction

        if sort == "bestSellerPoints":

            print "yes,sorting by bestSellerPoints"

            data = list(get_mongo_connection().Catalog.Deals.find({"$and":outer_query}).sort([('bestSellerPoints',direct),('rank',direct),('nlcPoints',direct)]).skip(offset).limit(limit))

        else:

            data = list(get_mongo_connection().Catalog.Deals.find({"$and":outer_query}).sort([(sort,direct)]).skip(offset).limit(limit))

    for d in data:

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

        if not deals.has_key(item[0]['identifier']):

            item[0]['dealRank'] = rank

            try:

                cashBack = __getCashBack(item[0]['_id'], item[0]['source_id'], item[0]['category_id'])

                if not cashBack or cashBack.get('cash_back_status')!=1:

                    item[0]['cash_back_type'] = 0

                    item[0]['cash_back'] = 0

                else:

                    item[0]['cash_back_type'] = cashBack['cash_back_type']

                    item[0]['cash_back'] = cashBack['cash_back']

            except:

                print "Error in adding cashback to deals"

                item[0]['cash_back_type'] = 0

                item[0]['cash_back'] = 0

            deals[item[0]['identifier']] = item[0]

            rank +=1

    return sorted(deals.values(), key=itemgetter('dealRank'))

def getItem(skuId):

    try:

        skuData = list(get_mongo_connection().Catalog.MasterData.find({'_id':int(skuId)}))

        return skuData

    except:

        return [{}]

def __getCashBack(skuId, source_id, category_id):

    itemCashBack = itemCashBackMap.get(skuId)

    if itemCashBack is not None:

        return itemCashBack

    sourceCashBack = cashBackMap.get(source_id)

    if sourceCashBack is not None and len(sourceCashBack) > 0:

        for cashBack in sourceCashBack:

            if cashBack.get(category_id) is None:

                continue

            else:

                return cashBack.get(category_id)

    else:

        return {}

def getCashBackDetails(identifier, source_id):

    if not bool(cashBackMap):

        populateCashBack()

    """Need to add item level cashback, no data available right now."""

    if source_id in (1,2,4,5):

        skuData = list(get_mongo_connection().Catalog.MasterData.find({'identifier':identifier.strip(), 'source_id':source_id}))

    elif source_id == 3:

        skuData = list(get_mongo_connection().Catalog.MasterData.find({'secondaryIdentifier':identifier.strip(), 'source_id':source_id}))

    else:

        return {}

    if len(skuData) > 0:

        itemCashBack = itemCashBackMap.get(skuData[0]['_id'])

        if itemCashBack is not None:

            return itemCashBack

        sourceCashBack = cashBackMap.get(source_id)

        if sourceCashBack is not None and len(sourceCashBack) > 0:

            for cashBack in sourceCashBack:

                if cashBack.get(skuData[0]['category_id']) is None:

                    continue

                else:

                    return cashBack.get(skuData[0]['category_id'])

        else:

            return {} 

    else:

        return {}

def next_weekday(d, weekday):

    days_ahead = weekday - d.weekday()

    if days_ahead <= 0: # Target day already happened this week

        days_ahead += 7

    return d + timedelta(days_ahead)

def getAllDealerPrices(offset, limit):

    data = []

    collection = get_mongo_connection().Catalog.SkuDealerPrices

    cursor = collection.find().skip(offset).limit(limit)

    for val in cursor:

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

        if len(master) > 0:

            val['brand'] = master['brand']

            val['source_product_name'] = master['source_product_name']

            val['skuBundleId'] = master['skuBundleId']

        else:

            val['brand'] = ""

            val['source_product_name'] = ""

            val['skuBundleId'] = ""

        data.append(val)

    return data

def addSkuDealerPrice(data):

    collection = get_mongo_connection().Catalog.SkuDealerPrices

    cursor = collection.find({"sku":data['sku']})

    if cursor.count() > 0:

        return {0:"Sku information already present."}

    else:

        collection.insert(data)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data added successfully"}

def updateSkuDealerPrice(data, _id):

    try:

        collection = get_mongo_connection().Catalog.SkuDealerPrices

        collection.update({'_id':ObjectId(_id)},{"$set":{'dp':data['dp']}},upsert=False, multi = False)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data updated successfully"}

    except:

        return {0:"Data not updated."}

def updateExceptionalNlc(data, _id):

    try:

        collection = get_mongo_connection().Catalog.ExceptionalNlc

        collection.update({'_id':ObjectId(_id)},{"$set":{'maxNlc':data['maxNlc'], 'minNlc':data['minNlc'], 'overrideNlc':data['overrideNlc']}},upsert=False, multi = False)

        get_mongo_connection().Catalog.MasterData.update({'_id':data['sku']},{"$set":{'updatedOn':to_java_date(datetime.now())}},multi=False)

        return {1:"Data updated successfully"}

    except:

        return {0:"Data not updated."}

def main():

    x = getNewDeals(1, 0, 0, 500, None, None)

    for i in x:

        print i['_id'],

        print '\t',

        print i['persPoints']

if __name__=='__main__':

    main()