Inventory.java

/*
 * Copyright (C) 2014 Vlad Mihalachi
 *
 * This file is part of Turbo Editor.
 *
 * Turbo Editor 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 3 of the License, or
 * (at your option) any later version.
 *
 * Turbo Editor 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, see <http://www.gnu.org/licenses/>.
 */

package eu.se_bastiaan.popcorntimeremote.iab.utils;

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 {
    private Map<String, SkuDetails> mSkuMap = new HashMap<>();
    private Map<String, Purchase> mPurchaseMap = new HashMap<>();

    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<>(mPurchaseMap.keySet());
    }

    /**
     * Returns a list of all owned product IDs of a given type
     */
    List<String> getAllOwnedSkus(String itemType) {
        List<String> result = new ArrayList<>();
        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<>(mPurchaseMap.values());
    }

    void addSkuDetails(SkuDetails d) {
        mSkuMap.put(d.getSku(), d);
    }

    void addPurchase(Purchase p) {
        mPurchaseMap.put(p.getSku(), p);
    }
}