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584 chandransh 1 
package in.shop2020.hotspot.dashbaord.server;
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import in.shop2020.hotspot.dashbaord.shared.actions.Item;
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import in.shop2020.model.v1.catalog.InventoryService;
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import in.shop2020.model.v1.catalog.Vendor;
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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.HashMap;
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import java.util.List;
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import java.util.Map;
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import com.google.gwt.core.client.GWT;
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public class CatalogUtils {
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	public static List<Item> getAllItems(){
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		List<Item> itemList = new ArrayList<Item>();
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		try {
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			List<in.shop2020.model.v1.catalog.Item> thriftItems = catalogClient.getAllItems(true);
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			for(in.shop2020.model.v1.catalog.Item thriftItem : thriftItems)
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				itemList.add(getItemFromThriftItem(thriftItem));
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		} catch (Exception e) {
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			// Not getting any items in the catalog is as good as not having any
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			// items in the catalog.
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			e.printStackTrace();
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		}
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		return itemList;
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	}
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	public static List<Item> getBestDeals(){
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		List<Item> itemList = new ArrayList<Item>();
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		try {
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			List<in.shop2020.model.v1.catalog.Item> thriftItems = catalogClient.getBestDeals();
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			for(in.shop2020.model.v1.catalog.Item thriftItem : thriftItems)
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				itemList.add(getItemFromThriftItem(thriftItem));
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		} catch(Exception e){
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			e.printStackTrace();
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		}
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		return itemList;
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	}
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	public static List<Item> getBestSellers(){
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		List<Item> itemList = new ArrayList<Item>();
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		try {
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			List<in.shop2020.model.v1.catalog.Item> thriftItems = catalogClient.getBestSellers();
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			for(in.shop2020.model.v1.catalog.Item thriftItem : thriftItems)
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				itemList.add(getItemFromThriftItem(thriftItem));
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		} catch(Exception e){
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			e.printStackTrace();
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		}
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		return itemList;
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	}
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	public static List<Item> getLatestArrivals(){
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		List<Item> itemList = new ArrayList<Item>();
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		try {
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			List<in.shop2020.model.v1.catalog.Item> thriftItems = catalogClient.getLatestArrivals();
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			for(in.shop2020.model.v1.catalog.Item thriftItem : thriftItems)
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				itemList.add(getItemFromThriftItem(thriftItem));
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		} catch(Exception e){
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			e.printStackTrace();
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		}
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		return itemList;
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	}
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	public static Item getItem(long itemId){
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		try{
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			in.shop2020.model.v1.catalog.Item thriftItem = catalogClient.getItem(itemId);
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			return getItemFromThriftItem(thriftItem);
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		}catch(Exception e){
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			// Oops! We didn't receive the details. We should let the user know
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			// that the catalog service is currently unavailable.
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			e.printStackTrace();
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		}
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		return null;
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	}
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	public static void reduceReservationCount(long itemId, long warehouseId, double quantity){
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		GWT.log("Got a call to reduce the reservation count for item " + itemId + " and warehouse " + warehouseId);
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		try{
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			catalogClient.reduceReservationCount(itemId, warehouseId, quantity);
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		}catch(Exception e){
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			// TODO: Oops! We couldn't reduce the item reservation count. This will
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			// result in underestimation of inventory stock. Should be corrected
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			// periodically.
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			e.printStackTrace();
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		}
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	}
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	public static Map<Long, String> getVendorsForWarehouse(long warehouseId){
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		try{
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			CatalogClient catalogServiceClient = new CatalogClient();
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			InventoryService.Client catalogClient = catalogServiceClient.getClient();
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			List<Vendor> vendors = catalogClient.getVendorsForWarehouse(warehouseId);
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			Map<Long, String> vendorMapping = new HashMap<Long, String>();
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			for(Vendor vendor: vendors){
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				vendorMapping.put(vendor.getId(), vendor.getName());
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			}
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			return vendorMapping;
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		}catch(Exception e){
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			// TODO: Oops! We couldn't reduce the item reservation count. This will
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			// result in underestimation of inventory stock. Should be corrected
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			// periodically.
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			e.printStackTrace();
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		}
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		return null;
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	}
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	private static Item getItemFromThriftItem(in.shop2020.model.v1.catalog.Item thriftItem){
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		Item item = new Item(thriftItem.getId(),
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				thriftItem.getProductGroup(),
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				thriftItem.getBrand(),
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				thriftItem.getModelNumber(),
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				thriftItem.getModelName(),
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				thriftItem.getColor(),
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				thriftItem.getCategory(),
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				thriftItem.getComments(),
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				thriftItem.getCatalogItemId(),
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				thriftItem.getFeatureId(),
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				thriftItem.getFeatureDescription(),
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				//thriftItem.getItemInventory(),
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				thriftItem.getMrp(),
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				//thriftItem.getMop(),
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				thriftItem.getSellingPrice(),
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				//thriftItem.getDealerPrice(),
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				thriftItem.getWeight(),
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				thriftItem.getAddedOn(),
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				thriftItem.getStartDate(),
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				thriftItem.getRetireDate(),
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				thriftItem.getUpdatedOn(),
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				//thriftItem.getItemStatus(),
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				thriftItem.getOtherInfo(),
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				thriftItem.getBestDealText(),
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				thriftItem.getBestDealValue());
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		return item;
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	}
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}