LocationCalibrationHelper.java

package edu.northwestern.cbits.purple_robot_manager.calibration;

import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.database.Cursor;
import android.preference.PreferenceManager;

import edu.northwestern.cbits.purple_robot_manager.R;
import edu.northwestern.cbits.purple_robot_manager.activities.probes.LocationLabelActivity;
import edu.northwestern.cbits.purple_robot_manager.db.ProbeValuesProvider;
import edu.northwestern.cbits.purple_robot_manager.logging.LogManager;
import edu.northwestern.cbits.purple_robot_manager.logging.SanityCheck;
import edu.northwestern.cbits.purple_robot_manager.logging.SanityManager;
import edu.northwestern.cbits.purple_robot_manager.probes.builtin.FusedLocationProbe;
import edu.northwestern.cbits.purple_robot_manager.probes.builtin.LocationProbe;
import edu.northwestern.cbits.purple_robot_manager.probes.builtin.RawLocationProbe;

public class LocationCalibrationHelper
{
    public static void check(final Context context)
    {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context.getApplicationContext());

        final String title = context.getString(R.string.title_location_label_check);

        final SanityManager sanity = SanityManager.getInstance(context);

        if (prefs.getBoolean(LocationProbe.ENABLED, LocationProbe.DEFAULT_ENABLED) && prefs.getBoolean(LocationProbe.ENABLE_CALIBRATION_NOTIFICATIONS, LocationProbe.DEFAULT_ENABLE_CALIBRATION_NOTIFICATIONS) == false)
        {
            sanity.clearAlert(title);
        }
        else if (prefs.getBoolean(RawLocationProbe.ENABLED, RawLocationProbe.DEFAULT_ENABLED) && prefs.getBoolean(RawLocationProbe.ENABLE_CALIBRATION_NOTIFICATIONS, RawLocationProbe.DEFAULT_ENABLE_CALIBRATION_NOTIFICATIONS) == false)
        {
            sanity.clearAlert(title);
        }
        else if (prefs.getBoolean(FusedLocationProbe.ENABLED, FusedLocationProbe.DEFAULT_ENABLED) && prefs.getBoolean(FusedLocationProbe.ENABLE_CALIBRATION_NOTIFICATIONS, FusedLocationProbe.DEFAULT_ENABLE_CALIBRATION_NOTIFICATIONS) == false)
        {
            sanity.clearAlert(title);
        }
        else if (prefs.getBoolean(LocationProbe.ENABLED, LocationProbe.DEFAULT_ENABLED) || prefs.getBoolean(RawLocationProbe.ENABLED, RawLocationProbe.DEFAULT_ENABLED) || prefs.getBoolean(FusedLocationProbe.ENABLED, FusedLocationProbe.DEFAULT_ENABLED))
        {
            String message = context.getString(R.string.message_location_label_check);

            long lastCalibration = prefs.getLong("last_location_calibration", 0);
            long now = System.currentTimeMillis();

            try
            {
                Cursor cursor = ProbeValuesProvider.getProvider(context).retrieveValues(context, LocationProbe.DB_TABLE, LocationProbe.databaseSchema());

                int count = cursor.getCount();

                cursor.close();

                if (now - lastCalibration > (1000L * 60L * 60L * 24L * 30L) && count > 500)
                {
                    Runnable action = new Runnable()
                    {
                        public void run()
                        {
                            Intent intent = new Intent(context, LocationLabelActivity.class);
                            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                            context.startActivity(intent);
                        }
                    };

                    sanity.addAlert(SanityCheck.WARNING, title, message, action);
                }
                else
                {
                    sanity.clearAlert(title);
                }
            }
            catch (RuntimeException e)
            {
                LogManager.getInstance(context).logException(e);
            }
        }
        else
            sanity.clearAlert(title);
    }
}