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vikas |
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package in.shop2020.web;
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import in.shop2020.model.Item;
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import in.shop2020.model.ItemActivity;
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import in.shop2020.server.ItemActivityRepository;
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import in.shop2020.server.ItemRepository;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Set;
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import java.util.TimeZone;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.google.appengine.api.datastore.DatastoreService;
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import com.google.appengine.api.datastore.DatastoreServiceFactory;
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import com.google.appengine.api.datastore.Entity;
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import com.google.appengine.api.datastore.PreparedQuery;
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import com.google.appengine.api.datastore.Query;
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public class DailyAggregatorServlet extends HttpServlet {
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private static final long serialVersionUID = -8236918415987438049L;
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public void doPost(HttpServletRequest req, HttpServletResponse resp) {
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SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("IST"));
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String dateStr = req.getParameter("date");
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if (dateStr != null && !dateStr.isEmpty()) {
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try {
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cal.setTime(sdf.parse(dateStr));
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cal.add(Calendar.DAY_OF_MONTH, 1);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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}
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cal.set(Calendar.HOUR_OF_DAY, 0);
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cal.set(Calendar.MINUTE, 0);
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cal.set(Calendar.SECOND, 0);
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cal.set(Calendar.MILLISECOND, 0);
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Date toDate = cal.getTime();
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cal.add(Calendar.DAY_OF_MONTH, -1);
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Date fromDate = cal.getTime();
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ItemRepository itemRepository = new ItemRepository();
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List<Item> items = itemRepository.getAll();
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Map<Long, Item> itemsMap = new HashMap<Long, Item>();
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Map<Long, Item> itemsCatalogIdMap = new HashMap<Long, Item>();
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Map<String, Item> itemsNameMap = new HashMap<String, Item>();
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Map<Long, Map<String, Long>> itemsResultMap = new HashMap<Long, Map<String, Long>>();
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for (Item item : items) {
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itemsMap.put(item.getId(), item);
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itemsCatalogIdMap.put(item.getCatalogId(), item);
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itemsNameMap.put(item.getName().trim(), item);
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}
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DatastoreService datastore = DatastoreServiceFactory.getDatastoreService();
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Query query = new Query("DataLog");
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query.addFilter("eventType", Query.FilterOperator.EQUAL, "PRODUCT_VIEW");
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query.addFilter("date", Query.FilterOperator.GREATER_THAN_OR_EQUAL, fromDate);
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query.addFilter("date", Query.FilterOperator.LESS_THAN, toDate);
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PreparedQuery pq = datastore.prepare(query);
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Set<String> uniqueSet = new HashSet<String>();
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for (Entity result : pq.asIterable()) {
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String sessionId = (String)result.getProperty("sessionId");
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Long catalogItemId = (Long)result.getProperty("itemId");
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if(catalogItemId == null) {
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String name = (String)result.getProperty("productName");
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if (itemsNameMap.containsKey(name.trim())) {
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catalogItemId = itemsNameMap.get(name.trim()).getCatalogId();
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}
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}
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if (itemsResultMap.containsKey(catalogItemId)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("ViewCount")) {
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Long count = itemMap.get("ViewCount");
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itemMap.put("ViewCount", ++count);
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}
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else {
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itemMap.put("ViewCount", 1l);
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}
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}
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else {
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Map<String, Long> itemMap = new HashMap<String, Long>();
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itemMap.put("ViewCount", 1l);
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itemsResultMap.put(catalogItemId, itemMap);
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}
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String uniqueKey = sessionId + catalogItemId;
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if (!uniqueSet.contains(uniqueKey)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("uniqueViewCount")) {
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Long count = itemMap.get("uniqueViewCount");
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itemMap.put("uniqueViewCount", ++count);
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}
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else {
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itemMap.put("uniqueViewCount", 1l);
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}
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uniqueSet.add(uniqueKey);
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}
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}
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query = new Query("DataLog");
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query.addFilter("eventType", Query.FilterOperator.EQUAL, "ADD_TO_CART");
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query.addFilter("date", Query.FilterOperator.GREATER_THAN_OR_EQUAL, fromDate);
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query.addFilter("date", Query.FilterOperator.LESS_THAN, toDate);
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pq = datastore.prepare(query);
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uniqueSet = new HashSet<String>();
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for (Entity result : pq.asIterable()) {
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String sessionId = (String)result.getProperty("sessionId");
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for (Long itemId : (List<Long>)result.getProperty("itemIds")) {
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Long catalogItemId = itemsMap.get(itemId).getCatalogId();
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if (itemsResultMap.containsKey(catalogItemId)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("AddToCartCount")) {
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Long count = itemMap.get("AddToCartCount");
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itemMap.put("AddToCartCount", ++count);
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}
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else {
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itemMap.put("AddToCartCount", 1l);
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}
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}
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else {
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Map<String, Long> itemMap = new HashMap<String, Long>();
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itemMap.put("AddToCartCount", 1l);
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itemsResultMap.put(catalogItemId, itemMap);
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}
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String uniqueKey = sessionId + catalogItemId;
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if (!uniqueSet.contains(uniqueKey)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("uniqueAddToCartCount")) {
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Long count = itemMap.get("uniqueAddToCartCount");
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itemMap.put("uniqueAddToCartCount", ++count);
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}
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else {
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itemMap.put("uniqueAddToCartCount", 1l);
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}
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uniqueSet.add(uniqueKey);
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}
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}
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}
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query = new Query("DataLog");
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query.addFilter("eventType", Query.FilterOperator.EQUAL, "DELETE_FROM_CART");
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query.addFilter("date", Query.FilterOperator.GREATER_THAN_OR_EQUAL, fromDate);
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query.addFilter("date", Query.FilterOperator.LESS_THAN, toDate);
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pq = datastore.prepare(query);
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uniqueSet = new HashSet<String>();
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for (Entity result : pq.asIterable()) {
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String sessionId = (String)result.getProperty("sessionId");
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for (Long itemId : (List<Long>)result.getProperty("itemIds")) {
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Long catalogItemId = itemsMap.get(itemId).getCatalogId();
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if (itemsResultMap.containsKey(catalogItemId)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("DeleteFromCartCount")) {
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Long count = itemMap.get("DeleteFromCartCount");
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itemMap.put("DeleteFromCartCount", ++count);
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}
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else {
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itemMap.put("DeleteFromCartCount", 1l);
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}
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}
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else {
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Map<String, Long> itemMap = new HashMap<String, Long>();
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itemMap.put("DeleteFromCartCount", 1l);
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itemsResultMap.put(catalogItemId, itemMap);
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}
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String uniqueKey = sessionId + catalogItemId;
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if (!uniqueSet.contains(uniqueKey)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("uniqueDeleteFromCartCount")) {
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Long count = itemMap.get("uniqueDeleteFromCartCount");
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itemMap.put("uniqueDeleteFromCartCount", ++count);
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}
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else {
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itemMap.put("uniqueDeleteFromCartCount", 1l);
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}
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uniqueSet.add(uniqueKey);
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}
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}
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}
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query = new Query("DataLog");
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query.addFilter("eventType", Query.FilterOperator.EQUAL, "RESEARCH_ADD");
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query.addFilter("date", Query.FilterOperator.GREATER_THAN_OR_EQUAL, fromDate);
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query.addFilter("date", Query.FilterOperator.LESS_THAN, toDate);
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pq = datastore.prepare(query);
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uniqueSet = new HashSet<String>();
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for (Entity result : pq.asIterable()) {
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String sessionId = (String)result.getProperty("sessionId");
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for (Long catalogItemId : (List<Long>)result.getProperty("itemIds")) {
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if (itemsResultMap.containsKey(catalogItemId)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("AddToResearchCount")) {
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Long count = itemMap.get("AddToResearchCount");
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itemMap.put("AddToResearchCount", ++count);
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}
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else {
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itemMap.put("AddToResearchCount", 1l);
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}
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}
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else {
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Map<String, Long> itemMap = new HashMap<String, Long>();
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itemMap.put("AddToResearchCount", 1l);
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itemsResultMap.put(catalogItemId, itemMap);
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}
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String uniqueKey = sessionId + catalogItemId;
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if (!uniqueSet.contains(uniqueKey)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("uniqueAddToResearchCount")) {
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Long count = itemMap.get("uniqueAddToResearchCount");
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itemMap.put("uniqueAddToResearchCount", ++count);
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}
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else {
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itemMap.put("uniqueAddToResearchCount", 1l);
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}
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uniqueSet.add(uniqueKey);
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}
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}
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}
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query = new Query("DataLog");
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query.addFilter("eventType", Query.FilterOperator.EQUAL, "RESEARCH_DELETE");
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query.addFilter("date", Query.FilterOperator.GREATER_THAN_OR_EQUAL, fromDate);
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query.addFilter("date", Query.FilterOperator.LESS_THAN, toDate);
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pq = datastore.prepare(query);
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uniqueSet = new HashSet<String>();
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for (Entity result : pq.asIterable()) {
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String sessionId = (String)result.getProperty("sessionId");
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for (Long catalogItemId : (List<Long>)result.getProperty("itemIds")) {
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if (itemsResultMap.containsKey(catalogItemId)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("DeleteFromResearchCount")) {
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Long count = itemMap.get("DeleteFromResearchCount");
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itemMap.put("DeleteFromResearchCount", ++count);
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}
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else {
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itemMap.put("DeleteFromResearchCount", 1l);
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}
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}
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else {
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Map<String, Long> itemMap = new HashMap<String, Long>();
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itemMap.put("DeleteFromResearchCount", 1l);
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itemsResultMap.put(catalogItemId, itemMap);
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}
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String uniqueKey = sessionId + catalogItemId;
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if (!uniqueSet.contains(uniqueKey)) {
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Map<String, Long> itemMap = itemsResultMap.get(catalogItemId);
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if (itemMap.containsKey("uniqueDeleteFromResearchCount")) {
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Long count = itemMap.get("uniqueDeleteFromResearchCount");
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itemMap.put("uniqueDeleteFromResearchCount", ++count);
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}
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else {
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itemMap.put("uniqueDeleteFromResearchCount", 1l);
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}
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uniqueSet.add(uniqueKey);
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}
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}
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}
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for (Entry<Long, Map<String, Long>> entry : itemsResultMap.entrySet()) {
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Long catalogItemId = (Long)entry.getKey();
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Map<String, Long> itemMap = (Map<String, Long>)entry.getValue();
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ItemActivityRepository itemActivityRepository = new ItemActivityRepository();
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ItemActivity itemActivity = new ItemActivity();
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itemActivity.setCatalogId(catalogItemId);
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itemActivity.setDate(fromDate);
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itemActivity.setView(itemMap.get("ViewCount"));
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itemActivity.setAddToCart(itemMap.get("AddToCartCount"));
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itemActivity.setAddToResearch(itemMap.get("AddToResearchCount"));
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itemActivity.setDeleteFromCart(itemMap.get("DeleteFromCartCount"));
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itemActivity.setDeleteFromResearch(itemMap.get("DeleteFromResearch"));
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itemActivity.setUniqueView(itemMap.get("uniqueViewCount"));
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itemActivity.setUniqueAddToCart(itemMap.get("uniqueAddToCartCount"));
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itemActivity.setUniqueAddToResearch(itemMap.get("uniqueAddToResearchCount"));
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itemActivity.setUniqueDeleteFromCart(itemMap.get("uniqueDeleteFromCartCount"));
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itemActivity.setUniqueDeleteFromResearch(itemMap.get("uniqueDeleteFromResearchCount"));
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itemActivityRepository.create(itemActivity);
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}
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}
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public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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doPost(req, resp);
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}
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}
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