@Override
public List<MerchantBean> fetchHotMerchantBeans(int userId, double longitude, double latitude)
throws JSONException {
// TODO Auto-generated method stub
JSONObject root = new JSONObject();
root.put("method", RecommenderUtils.getHotPredictMethod());
JSONObject params = new JSONObject();
params.put("longitude", longitude);
params.put("latitude", latitude);
root.put("params", params);
BaseHttpClient httpClient = new BaseHttpClient(RecommenderUtils.getRecommenderUrl());
JSONObject response = httpClient.post(root);
List<MerchantBean> merchantPredictList = new ArrayList<MerchantBean>();
if (response.has("result") && response.getString("result").equals("success")) {
JSONArray hotList = response.getJSONArray("hotList");
for (int i = 0; i < hotList.length(); i++) {
JSONArray hotItem = hotList.getJSONArray(i);
Integer merchantId = Integer.valueOf(hotItem.getString(0));
MerchantBean merchantBean = fetchMerchantBean(merchantId, userId, longitude, latitude);
if (merchantBean != null) {
merchantBean.setCollectionCount(hotItem.getInt(1));
merchantPredictList.add(merchantBean);
}
}
}
return merchantPredictList;
}
private MerchantBean fetchMerchantBean(
Integer merchantId, Integer userId, double longitude, double latitude) {
List<Merchant> merchantList = merchantDao.findByProperty("merchantId", merchantId);
if (merchantList == null || merchantList.size() <= 0) {
return null;
}
Merchant merchant = merchantList.get(0);
MerchantBean merchantBean = new MerchantBean(merchant);
List<String> tags = new ArrayList<String>();
List<TagEntity> tagEntity = tagEntityDao.getMerchantTags(merchantId);
for (int i = 0; i < tagEntity.size(); i++) {
String t = tagEntity.get(i).getTagName();
tags.add(t);
}
merchantBean.setDistance(
Distances.computeDistance(
merchant.getLongitude(), merchant.getLatitude(), longitude, latitude));
if (userId == null) merchantBean.setType(0);
else if (subscriptionMerchantDao.getSubscriptionMerchant(userId, merchantId).size() > 0)
merchantBean.setType(
subscriptionMerchantDao.getSubscriptionMerchant(userId, merchantId).get(0).getType());
else {
merchantBean.setType(2);
}
merchantBean.setTagName(tags);
return merchantBean;
}