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package in.shop2020.serving.services;
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package in.shop2020.serving.services;
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import java.io.Serializable;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Map;
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import org.apache.log4j.Logger;
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import org.apache.log4j.Logger;
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import in.shop2020.serving.utils.Category;
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import in.shop2020.model.v1.catalog.Category;
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import in.shop2020.model.v1.catalog.InventoryService.Client;
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import in.shop2020.serving.utils.Utils;
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import in.shop2020.thrift.clients.CatalogServiceClient;
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public class CategoryManager implements Serializable{
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public class CategoryManager implements Serializable{
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	private static final long serialVersionUID = 1L;
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	private static final long serialVersionUID = 1L;
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	}
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	}
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	@SuppressWarnings("unchecked")
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	@SuppressWarnings("unchecked")
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	private CategoryManager(){
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	private CategoryManager(){
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		log.info("Initializing category manager");
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		log.info("Initializing category manager");
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		categories = new HashMap<Long, Category>();
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		try {
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		try {
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		    CatalogServiceClient catalogServiceClient = new CatalogServiceClient();
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	        Client client = catalogServiceClient.getClient();
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			categories = (Map<Long, Category>)Utils.getCategories();
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	        List<Category> t_categories =  client.getAllCategories();
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	        for(Category category: t_categories){
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	            categories.put(category.getId(), category);
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	        }
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	        for(Category category: t_categories){
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	            if(category.getParent_category_id() != 0){
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	                if(category.getParent_category_id()!=0){
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	                    List<Long> childCats = categories.get(category.getParent_category_id()).getChildren_category_ids();
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	                    if(childCats==null){
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	                        childCats = new ArrayList<Long>();
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	                    }
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	                    childCats.add(category.getId());
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	                }
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	             }
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            }
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		} catch (Exception e) {
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		} catch (Exception e) {
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			log.error("Unable to load categories from Catalog.");
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			log.error("Unable to load categories from Catalog.");
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			categories = null;
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			categories = null;
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			e.printStackTrace();
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			e.printStackTrace();
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		}
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		}