Subversion Repositories SmartDukaan

package com.amazonaws.mws.samples;

import in.shop2020.model.v1.order.AmazonFCWarehouseLocation;

import in.shop2020.model.v1.order.AmazonFbaSalesSnapshot;

import in.shop2020.model.v1.order.AmazonHourlySaleSnapshot;

import java.net.UnknownHostException;

import java.util.ArrayList;

import java.util.Calendar;

import java.util.List;

import org.apache.thrift.TException;

import org.json.JSONException;

import com.google.gson.Gson;

import com.mongodb.BasicDBObject;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.DBCursor;

import com.mongodb.DBObject;

import com.mongodb.MongoClient;

import com.mongodb.util.JSON;

public class Consumer 

{

    private static MongoClient mongo;

    private static final String AMAZON_SALES_SNAPSHOT = "AmazonSaleSnapshot";

    private static final String AMAZON_DAILY_SALE_SNAPSHOT = "AmazonDailySaleSnapshot";

    private static final String AMAZON_HOURLY_SALE_SNAPSHOT = "AmazonHourlySaleSnapshot";

    static {

        try {

            mongo = new MongoClient( "localhost" , 27017 );

        } catch (UnknownHostException e) {

            e.printStackTrace();

        }

    }

    public static AmazonFbaSalesSnapshot getAmazonFbaSalesLatestSnapshotForItemLocationWise(long item_id, long fcLocation){

        AmazonFbaSalesSnapshot salesObj = new AmazonFbaSalesSnapshot();

        DB db = mongo.getDB(AMAZON_SALES_SNAPSHOT);

        DBCollection collection = db.getCollection(AMAZON_DAILY_SALE_SNAPSHOT);

        BasicDBObject andQuery = new BasicDBObject();

        List<BasicDBObject> obj = new ArrayList<BasicDBObject>();

        obj.add(new BasicDBObject("item_id", item_id));

        obj.add(new BasicDBObject("fcLocation", AmazonFCWarehouseLocation.findByValue((int) fcLocation).toString()));

        Calendar cal = Calendar.getInstance();

        cal.add(Calendar.DATE, -1);cal.set(Calendar.HOUR_OF_DAY, 00);cal.set(Calendar.MINUTE,00);cal.set(Calendar.SECOND,00);cal.set(Calendar.MILLISECOND,00);

        obj.add(new BasicDBObject("dateOfSale", cal.getTimeInMillis()));

        andQuery.put("$and", obj);

        BasicDBObject orderBy = new BasicDBObject();

        orderBy.put("dateOfSale", -1);

        DBCursor cursor = collection.find(andQuery).sort(orderBy).limit(1);

        Gson gson = new Gson();

        while (cursor.hasNext()) {

            salesObj = gson.fromJson(cursor.next().toString(), AmazonFbaSalesSnapshot.class);

        }

        return salesObj;

    }

    public static AmazonFbaSalesSnapshot getAmazonFbaSalesLatestSnapshotForItem(long item_id){

        AmazonFbaSalesSnapshot salesObj = new AmazonFbaSalesSnapshot();

        DB db = mongo.getDB(AMAZON_SALES_SNAPSHOT);

        DBCollection collection = db.getCollection(AMAZON_DAILY_SALE_SNAPSHOT);

        BasicDBObject andQuery = new BasicDBObject();

        List<BasicDBObject> obj = new ArrayList<BasicDBObject>();

        obj.add(new BasicDBObject("item_id", item_id));

        Calendar cal = Calendar.getInstance();

        cal.add(Calendar.DATE, -1);cal.set(Calendar.HOUR_OF_DAY, 00);cal.set(Calendar.MINUTE,00);cal.set(Calendar.SECOND,00);cal.set(Calendar.MILLISECOND,00);

        obj.add(new BasicDBObject("dateOfSale", cal.getTimeInMillis()));

        andQuery.put("$and", obj);

        BasicDBObject orderBy = new BasicDBObject();

        orderBy.put("dateOfSale", -1);

        DBCursor cursor = collection.find(andQuery).sort(orderBy).limit(1);

        Gson gson = new Gson();

        while (cursor.hasNext()) {

            salesObj = gson.fromJson(cursor.next().toString(), AmazonFbaSalesSnapshot.class);

        }

        return salesObj;

    }

    public static List<AmazonFbaSalesSnapshot> getAmazonFbaSalesSnapshotForDays(int interval){

        DB db = mongo.getDB(AMAZON_SALES_SNAPSHOT);

        DBCollection collection = db.getCollection(AMAZON_DAILY_SALE_SNAPSHOT);

        Calendar cal = Calendar.getInstance();

        cal.add(Calendar.DATE, -1);cal.set(Calendar.HOUR_OF_DAY, 00);cal.set(Calendar.MINUTE,00);cal.set(Calendar.SECOND,00);cal.set(Calendar.MILLISECOND,00);

        long toDate = cal.getTimeInMillis();

        cal.add(Calendar.DATE, -interval);

        long fromDate = cal.getTimeInMillis();

        BasicDBObject query = new BasicDBObject();

        BasicDBObject obj = new BasicDBObject();

        obj.put("$gte", fromDate);

        obj.put("$lte", toDate);

        query.put("dateOfSale",obj);

        BasicDBObject orderBy = new BasicDBObject();

        orderBy.put("dateOfSale", 1);

        Gson gson = new Gson();

        List<AmazonFbaSalesSnapshot> salesSnapshot = new ArrayList<AmazonFbaSalesSnapshot>();

        DBCursor cursor = collection.find(query).sort(orderBy);

        while (cursor.hasNext()) {

            AmazonFbaSalesSnapshot salesObj = gson.fromJson(cursor.next().toString(), AmazonFbaSalesSnapshot.class);

            salesSnapshot.add(salesObj);

        }

        return salesSnapshot;

    }

    public static boolean bulkAddOrUpdateAmazonFbaSalesSnapshot(List<AmazonFbaSalesSnapshot> sales) throws JSONException{

        DB db = mongo.getDB(AMAZON_SALES_SNAPSHOT);

        DBCollection collection = db.getCollection(AMAZON_DAILY_SALE_SNAPSHOT);

        Gson gs = new Gson();

        for (AmazonFbaSalesSnapshot sale :sales){

            DBObject dbObject = (DBObject) JSON.parse(gs.toJson(sale));

            dbObject.put("_id", generateId(sale.getDateOfSale(), sale.getItem_id(), sale.getFcLocation().getValue()));

            BasicDBObject searchObject = new BasicDBObject();

            searchObject.put("_id",generateId(sale.getDateOfSale(), sale.getItem_id(), sale.getFcLocation().getValue()));

            DBCursor cursor = collection.find(searchObject);

            if (cursor.count() > 0){

                BasicDBObject updateObject = new BasicDBObject();

                updateObject.put("promotionOrderCount",sale.getPromotionOrderCount());

                updateObject.put("totalSale",sale.getTotalSale());

                updateObject.put("promotionSale",sale.getPromotionSale());

                updateObject.put("totalOrderCount",sale.getTotalOrderCount());

                updateObject.put("fcLocation",sale.getFcLocation().toString());

                if (sale.getTotalOrderCount() > 0){

                    updateObject.put("isOutOfStock",false);

                }

                collection.update(searchObject, new BasicDBObject("$set", updateObject));

            }

            else{

                collection.insert(dbObject);

            }

        }

        collection.createIndex((DBObject) JSON.parse("{'dateOfSale':1}"));

        return true;

    }

    public static boolean addHourlySnapshot(List<AmazonHourlySaleSnapshot> sales){

        DB db = mongo.getDB(AMAZON_SALES_SNAPSHOT);

        DBCollection collection = db.getCollection(AMAZON_HOURLY_SALE_SNAPSHOT);

        Calendar cal = Calendar.getInstance();

        cal.add(Calendar.DATE, -1);cal.set(Calendar.HOUR_OF_DAY, 00);cal.set(Calendar.MINUTE,00);cal.set(Calendar.SECOND,00);cal.set(Calendar.MILLISECOND,00);

        long toDate = cal.getTimeInMillis();

        BasicDBObject query = new BasicDBObject("snapshotTime", new BasicDBObject("$lt", toDate));

        collection.remove(query);

        Gson gs = new Gson();

        for (AmazonHourlySaleSnapshot sale :sales){

            DBObject dbObject = (DBObject) JSON.parse(gs.toJson(sale));

            dbObject.put("_id", generateId(sale.getSnapshotTime(), sale.getItem_id(), sale.getFcLocation().getValue()));

            collection.insert(dbObject);

        }

        collection.createIndex((DBObject) JSON.parse("{'snapshotTime':1}"));

        return true;

    }

    private static long generateId(long dateOfSale, long item_id, int warehouseLocation){

        return Long.valueOf(String.valueOf(dateOfSale)+String.valueOf(item_id)+String.valueOf(warehouseLocation));

    }

    public static void main (String[] args) throws JSONException, TException{

        getAmazonFbaSalesLatestSnapshotForItem(174);

        getAmazonFbaSalesSnapshotForDays(0);

    }

}