1
19
20 package com.liferay.portlet.ratings.action;
21
22 import com.liferay.portal.kernel.json.JSONFactoryUtil;
23 import com.liferay.portal.kernel.json.JSONObject;
24 import com.liferay.portal.kernel.util.MathUtil;
25 import com.liferay.portal.kernel.util.ParamUtil;
26 import com.liferay.portal.struts.JSONAction;
27 import com.liferay.portlet.ratings.model.RatingsStats;
28 import com.liferay.portlet.ratings.service.RatingsEntryServiceUtil;
29 import com.liferay.portlet.ratings.service.RatingsStatsLocalServiceUtil;
30
31 import javax.servlet.http.HttpServletRequest;
32 import javax.servlet.http.HttpServletResponse;
33
34 import org.apache.struts.action.ActionForm;
35 import org.apache.struts.action.ActionMapping;
36
37
43 public class RateEntryAction extends JSONAction {
44
45 public String getJSON(
46 ActionMapping mapping, ActionForm form, HttpServletRequest request,
47 HttpServletResponse response)
48 throws Exception {
49
50 String className = getClassName(request);
51 long classPK = getClassPK(request);
52 double score = ParamUtil.getDouble(request, "score");
53
54 if (score == 0) {
55 RatingsEntryServiceUtil.deleteEntry(className, classPK);
56 }
57 else {
58 RatingsEntryServiceUtil.updateEntry(className, classPK, score);
59 }
60
61 RatingsStats stats = RatingsStatsLocalServiceUtil.getStats(
62 className, classPK);
63
64 double averageScore = MathUtil.format(stats.getAverageScore(), 1, 1);
65
66 JSONObject jsonObj = JSONFactoryUtil.createJSONObject();
67
68 jsonObj.put("totalEntries", stats.getTotalEntries());
69 jsonObj.put("totalScore", stats.getTotalScore());
70 jsonObj.put("averageScore", averageScore);
71
72 return jsonObj.toString();
73 }
74
75 protected String getClassName(HttpServletRequest request) {
76 return ParamUtil.getString(request, "className");
77 }
78
79 protected long getClassPK(HttpServletRequest request) {
80 return ParamUtil.getLong(request, "classPK");
81 }
82
83 }