content: /*
   *     Copyright (C) 2016  Merbin J Anselm <merbinjanselm@gmail.com>
   *
   *     This program is free software; you can redistribute it and/or modify
   *     it under the terms of the GNU General Public License as published by
   *     the Free Software Foundation; either version 2 of the License, or
   *     (at your option) any later version.
   *
   *     This program is distributed in the hope that it will be useful,
   *     but WITHOUT ANY WARRANTY; without even the implied warranty of
   *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *     GNU General Public License for more details.
   *
   *     You should have received a copy of the GNU General Public License along
   *     with this program; if not, write to the Free Software Foundation, Inc.,
   *     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   */
  
  package in.blogspot.anselmbros.torchie.utils.IabUtils;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Represents a block of information about in-app items.
   * An Inventory is returned by such methods as {@link IabHelper#queryInventory}.
   */
  public class Inventory {
      Map<String, SkuDetails> mSkuMap = new HashMap<String, SkuDetails>();
      Map<String, Purchase> mPurchaseMap = new HashMap<String, Purchase>();
  
      Inventory() {
      }
  
      /**
       * Returns the listing details for an in-app product.
       */
      public SkuDetails getSkuDetails(String sku) {
          return mSkuMap.get(sku);
      }
  
      /**
       * Returns purchase information for a given product, or null if there is no purchase.
       */
      public Purchase getPurchase(String sku) {
          return mPurchaseMap.get(sku);
      }
  
      /**
       * Returns whether or not there exists a purchase of the given product.
       */
      public boolean hasPurchase(String sku) {
          return mPurchaseMap.containsKey(sku);
      }
  
      /**
       * Return whether or not details about the given product are available.
       */
      public boolean hasDetails(String sku) {
          return mSkuMap.containsKey(sku);
      }
  
      /**
       * Erase a purchase (locally) from the inventory, given its product ID. This just
       * modifies the Inventory object locally and has no effect on the server! This is
       * useful when you have an existing Inventory object which you know to be up to date,
       * and you have just consumed an item successfully, which means that erasing its
       * purchase data from the Inventory you already have is quicker than querying for
       * a new Inventory.
       */
      public void erasePurchase(String sku) {
          if (mPurchaseMap.containsKey(sku)) mPurchaseMap.remove(sku);
      }
  
      /**
       * Returns a list of all owned product IDs.
       */
      List<String> getAllOwnedSkus() {
          return new ArrayList<String>(mPurchaseMap.keySet());
      }
  
      /**
       * Returns a list of all owned product IDs of a given type
       */
      List<String> getAllOwnedSkus(String itemType) {
          List<String> result = new ArrayList<String>();
          for (Purchase p : mPurchaseMap.values()) {
              if (p.getItemType().equals(itemType)) result.add(p.getSku());
          }
          return result;
      }
  
      /**
       * Returns a list of all purchases.
       */
      List<Purchase> getAllPurchases() {
          return new ArrayList<Purchase>(mPurchaseMap.values());
      }
  
      void addSkuDetails(SkuDetails d) {
          mSkuMap.put(d.getSku(), d);
      }
  
      void addPurchase(Purchase p) {
          mPurchaseMap.put(p.getSku(), p);
      }
  }
  