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phani.kuma |
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<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
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<%@ page import="com.google.appengine.api.datastore.DatastoreServiceFactory" %>
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<%@ page import="com.google.appengine.api.datastore.DatastoreService" %>
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<%@ page import="com.google.appengine.api.datastore.Query" %>
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<%@ page import="com.google.appengine.api.datastore.Entity" %>
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<%@ page import="com.google.appengine.api.datastore.PreparedQuery" %>
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<%@ page import="com.google.appengine.api.datastore.Query.SortDirection"%>
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<%@ page import="java.util.HashMap"%>
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<%@ page import="java.util.Map"%>
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<%@ page import="java.util.Map.Entry"%>
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<%@ page import="java.text.ParseException"%>
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<%@ page import="java.util.Calendar"%>
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<%@ page import="java.util.TimeZone"%>
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<%@ page import="java.util.Date"%>
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<%@ page import="java.util.List"%>
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<%@ page import="java.util.Calendar"%>
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<%@ page import="java.text.SimpleDateFormat"%>
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<%@ page import="java.util.Arrays"%>
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<html>
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<head>
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<title>Comparison Statistics</title>
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</head>
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<body>
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<%
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Date toDate = new Date();
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Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("IST"));
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cal.add(Calendar.DAY_OF_MONTH, -1);
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Date fromDate = cal.getTime();
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SimpleDateFormat iSdf = new SimpleDateFormat("yyyyMMdd");
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String toDateStr = request.getParameter("toDate");
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String fromDateStr = request.getParameter("fromDate");
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if (fromDateStr == null || fromDateStr.isEmpty()) {
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fromDateStr = iSdf.format(fromDate);
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}
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if (toDateStr == null || toDateStr.isEmpty()) {
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toDateStr = iSdf.format(toDate);
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}
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%>
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<form id="searchfilter" name="searchfilter" method="post" action="/jsp/comparison-stats.jsp">
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<label>From Date(YYYYMMDD) : </label> <input type="text" name="fromDate" id="fromDate" value="<%= fromDateStr %>"/>
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<label>To Date(YYYYMMDD) : </label> <input type="text" name="toDate" id="toDate" value="<%= toDateStr %>"/>
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<input type="Submit" id="Submit" name="Submit" value="Submit" />
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</form>
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<%
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try {
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if (fromDateStr != null) {
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fromDate = iSdf.parse(fromDateStr);
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}
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if (toDateStr != null) {
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toDate = iSdf.parse(toDateStr);
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}
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}
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catch (ParseException pe) {
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%>
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<span>Invalid Date Format</span>
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<%
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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.IN, Arrays.asList("PRODUCT_COMPARE","RESEARCH_ADD","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_OR_EQUAL, toDate);
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PreparedQuery pq = datastore.prepare(query);
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Map<String, Long>product_compare_map = new HashMap<String, Long>();
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Map<String, Long>compare_add_map = new HashMap<String, Long>();
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long totalComparisons = 0;
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long totalProductsCompared = 0;
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long totalProductsDeleted = 0;
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long totaldays = toDate.compareTo(fromDate);
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for (Entity result : pq.asIterable()) {
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if(result.getProperty("eventType").equals("PRODUCT_COMPARE")){
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totalComparisons++;
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String source = (String)result.getProperty("source");
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List<Long>itemIds = (List<Long>)result.getProperty("itemIds");
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totalProductsCompared = totalProductsCompared + itemIds.size();
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if(product_compare_map.containsKey(source)) {
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Long source_count = product_compare_map.get(source);
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source_count = source_count + 1;
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product_compare_map.put(source, source_count);
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} else {
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product_compare_map.put(source, 1L);
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}
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}
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else if(result.getProperty("eventType").equals("RESEARCH_ADD")){
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String source = (String)result.getProperty("source");
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if(compare_add_map.containsKey(source)) {
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Long source_count = compare_add_map.get(source);
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source_count = source_count + 1;
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compare_add_map.put(source, source_count);
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} else {
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compare_add_map.put(source, 1L);
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}
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}
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else if(result.getProperty("eventType").equals("RESEARCH_DELETE")){
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totalProductsDeleted++;
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}
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}
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double avgComparisons = 0.0;
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double avgProductsCompared = 0.0;
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if(totalComparisons!=0){
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avgProductsCompared = (double)(totalProductsCompared/totalComparisons);
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}
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if(totaldays!=0){
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avgComparisons = (double)(totalComparisons/totaldays);
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}
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%>
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<h2> Comparison Stats </h2>
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<table cellpadding="5" cellspacing="0" border="1">
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<thead>
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<tr>
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<th>Source</th>
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<th>Number of Comparisons</th>
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</tr>
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</thead>
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<tbody>
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<%
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for(Entry<String, Long> comparison: product_compare_map.entrySet()){
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String source = comparison.getKey();
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long numComparisons = comparison.getValue();
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%>
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<tr>
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<td><%=source%></td>
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<td><%=numComparisons%></td>
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</tr>
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<%}%>
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</tbody>
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</table>
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<h3> Number of Comparisons per Day : <%=avgComparisons%></h3>
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<h3> Average Size of Comparisons : <%=avgProductsCompared%></h3>
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<h2> Add to Compare Stats </h2>
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<table cellpadding="5" cellspacing="0" border="1">
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<thead>
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<tr>
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<th>Source</th>
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<th>Number of Comparisons</th>
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</tr>
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</thead>
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<tbody>
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<%
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for(Entry<String, Long> comparison: compare_add_map.entrySet()){
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String source = comparison.getKey();
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long numComparisons = comparison.getValue();
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%>
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<tr>
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<td><%=source%></td>
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<td><%=numComparisons%></td>
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</tr>
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<%}%>
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</tbody>
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</table>
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<h2> Comparisons Deleted Stats </h2>
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<h3> Number of Deleted Comparisons : <%=totalProductsDeleted%></h3>
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</body>
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</html>
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