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amit.gupta |
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/**
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*
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*/
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package in.shop2020.serving.controllers;
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import in.shop2020.model.v1.catalog.InventoryServiceException;
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import in.shop2020.serving.cache.EhcacheWrapper;
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import in.shop2020.serving.services.ContentServingService;
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import in.shop2020.serving.utils.SnippetType;
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import in.shop2020.thrift.clients.CatalogClient;
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import java.util.ArrayList;
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import java.util.List;
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import net.sf.ehcache.CacheManager;
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import org.apache.log4j.Logger;
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import org.apache.struts2.rest.DefaultHttpHeaders;
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import org.apache.struts2.rest.HttpHeaders;
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import org.apache.thrift.TException;
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/**
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* get Coming Soon items from the catalog service
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* @author amit
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*
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*/
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public class ComingSoonController extends BaseController {
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private static final long serialVersionUID = -6862524269260661024L;
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private static Logger log = Logger.getLogger(ComingSoonController.class);
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private static final int windowSize = 20;
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private static final String COMING_SOON_CACHE_KEY = "COMING_SOON";
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private static final String COMING_SOON_COUNT_CACHE_KEY = "COMING_SOON_COUNT";
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private long beginIndex = 0;
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private Long totalItems = 0l;
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private String id;
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List<Long> items = null;
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private List<String> snippets = null;
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CatalogClient catalogClientService = null;
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public ComingSoonController() {
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super();
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try {
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catalogClientService = new CatalogClient();
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} catch (Exception e) {
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log.error("Unable to get catalog service client.", e);
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}
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}
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// GET /index
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public HttpHeaders index() throws Exception {
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long categoryId = Long.parseLong(request.getParameter("categoryid"));
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String brandName = request.getParameter("brand");
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//Right now if we have brand name, we can just send back data for all categories
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if(brandName != null){
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categoryId = -1;
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}
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in.shop2020.model.v1.catalog.InventoryService.Client client = catalogClientService.getClient();
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this.items = client.getComingSoonCatalogIds(beginIndex, windowSize, brandName, categoryId);
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setSnippets();
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return new DefaultHttpHeaders("index");
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}
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// GET /show
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@SuppressWarnings("unchecked")
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public HttpHeaders show() {
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EhcacheWrapper<String, Object> showcasePageSnippetsCache = new EhcacheWrapper<String, Object>(
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EhcacheWrapper.SHOWCASE_PAGE_SNIPPET_CACHE_NAME, CacheManager.create());
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if(sourceId == -1){
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this.snippets = (List<String>)showcasePageSnippetsCache.get(COMING_SOON_CACHE_KEY + beginIndex);
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this.totalItems = (Long)showcasePageSnippetsCache.get(COMING_SOON_COUNT_CACHE_KEY);
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if(this.snippets != null && !this.snippets.isEmpty() && this.totalItems > 0) {
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log.info("Using Cache.");
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return new DefaultHttpHeaders("show");
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}
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}
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log.info("Getting coming soon products snippets.");
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in.shop2020.model.v1.catalog.InventoryService.Client client = catalogClientService.getClient();
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try {
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this.setTotalItems(client.getComingSoonCount());
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if(sourceId == -1){
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showcasePageSnippetsCache.put(COMING_SOON_COUNT_CACHE_KEY, this.totalItems);
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}
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this.items = client.getComingSoonCatalogIds(beginIndex, windowSize, null, -1);
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setSnippets();
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if(sourceId == -1){
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showcasePageSnippetsCache.put(COMING_SOON_CACHE_KEY + beginIndex, this.snippets);
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}
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} catch (InventoryServiceException e) {
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log.error("Unable to get coming soon products from inventory service.", e);
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} catch (TException e) {
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log.error("Unable to get coming soon products from inventory service.", e);
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}
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return new DefaultHttpHeaders("show");
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}
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private void setSnippets(){
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this.snippets = new ArrayList<String>();
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if(items != null){
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for(long item: items){
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snippets.add(ContentServingService.getSnippet(SnippetType.CATEGORY_SNIPPET, item+"", sourceId));
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}
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}
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}
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public List<String> getSnippets() {
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return snippets;
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}
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public void setId(String id) {
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this.id = id;
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this.beginIndex = windowSize * (Long.parseLong(id)-1);
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}
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public String getId() {
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return id;
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}
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public long getBeginIndex(){
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if(totalItems>0)
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return beginIndex+1;
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return beginIndex;
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}
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public void setTotalItems(long totalItems) {
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this.totalItems = totalItems;
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}
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public long getTotalItems() {
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return totalItems;
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}
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public long getTotalPages() {
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return 1 + (totalItems-1)/windowSize;
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}
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public long getCurrentPage() {
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return Long.parseLong(getId());
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}
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}
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