OrderService.java

/*
 * Author: Balch
 * Created: 9/4/14 12:26 AM
 *
 * This file is part of MockTrade.
 *
 * MockTrade 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.
 *
 * MockTrade 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 MockTrade.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright (C) 2014
 */

package com.balch.mocktrade.services;

import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

import com.balch.mocktrade.MainActivity;
import com.balch.mocktrade.TradeModelProvider;
import com.balch.mocktrade.R;
import com.balch.mocktrade.finance.FinanceModel;
import com.balch.mocktrade.finance.GoogleFinanceModel;
import com.balch.mocktrade.finance.Quote;
import com.balch.mocktrade.order.Order;
import com.balch.mocktrade.order.OrderResult;
import com.balch.mocktrade.portfolio.PortfolioModel;
import com.balch.mocktrade.portfolio.PortfolioSqliteModel;
import com.balch.mocktrade.portfolio.PortfolioUpdateBroadcaster;
import com.balch.mocktrade.receivers.OrderReceiver;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class OrderService extends IntentService {
    private static final String TAG = OrderService.class.getSimpleName();

    public OrderService() {
        super(OrderService.class.getName());
    }

    @Override
    protected void onHandleIntent(final Intent intent) {

        try {
            TradeModelProvider modelProvider = ((TradeModelProvider) this.getApplication());
            FinanceModel financeModel = new GoogleFinanceModel(modelProvider.getContext(),
                    modelProvider.getNetworkRequestProvider(), modelProvider.getSettings());
            final PortfolioModel portfolioModel = new PortfolioSqliteModel(modelProvider.getContext(),
                    modelProvider.getSqlConnection(), modelProvider.getNetworkRequestProvider(),
                    modelProvider.getSettings());
            final List<Order> orders = portfolioModel.getOpenOrders();

            if (orders.size() > 0) {
                List<String> symbols = new ArrayList<>(orders.size());
                for (Order o : orders) {
                    symbols.add(o.getSymbol());
                }

                Map<String, Quote> quoteMap = financeModel.getQuotes(symbols);
                boolean updateView = false;
                boolean reschedule = (quoteMap == null);
                if (quoteMap != null) {
                    for (Order o : orders) {
                        try {
                            Quote quote = quoteMap.get(o.getSymbol());
                            OrderResult orderResult = portfolioModel.attemptExecuteOrder(o, quote);
                            if (orderResult.isSuccess()) {

                                String msg = (o.getAction() == Order.OrderAction.BUY) ?
                                        getString(R.string.notification_order_buy_success_format,
                                                o.getSymbol(), o.getQuantity(),
                                                orderResult.getPrice().getFormatted(),
                                                orderResult.getCost().getFormatted()) :
                                        getString(R.string.notification_order_sell_success_format,
                                                o.getSymbol(), o.getQuantity(),
                                                orderResult.getPrice().getFormatted(),
                                                orderResult.getValue().getFormatted(),
                                                orderResult.getProfit().getFormatted());


                                sendNotification(o, msg);
                                updateView = true;
                            } else {
                                reschedule = true;
                            }

                        } catch (Exception ex) {
                            Log.e(TAG, "attemptExecuteOrder exception", ex);
                            sendNotification(o, String.format(getString(R.string.notification_order_error_format),
                                    o.getId(), o.getSymbol(), ex.getMessage()));
                        }
                    }
                }

                if (updateView) {
                    PortfolioUpdateBroadcaster.broadcast(OrderService.this);
                }

                if (reschedule) {
                    portfolioModel.scheduleOrderServiceAlarm();
                }
            }
        } finally {
            OrderReceiver.completeWakefulIntent(intent);
        }
    }

    private void sendNotification(Order order, String msg) {
        Notification.Builder builder =
                new Notification.Builder(this)
                        .setSmallIcon(R.drawable.ic_launcher)
                        .setContentTitle(this.getString(R.string.notification_order_title))
                        .setStyle(new Notification.BigTextStyle().bigText(msg))
                        .setContentText(msg);

        Intent clickIntent = new Intent(this, MainActivity.class);

        PendingIntent pendingClickIntent =
                PendingIntent.getActivity(this, 0 , clickIntent, PendingIntent.FLAG_UPDATE_CURRENT);
        builder.setContentIntent(pendingClickIntent);
        NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
        int id = (int)(order.getId() % Integer.MAX_VALUE);
        notificationManager.notify(id, builder.build());
    }

    public static Intent getIntent(Context context) {
        return new Intent(context, OrderService.class);
    }

}