org.glucosio.android.tools.ReadingToCSV.java Source code

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Here is the source code for org.glucosio.android.tools.ReadingToCSV.java

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/*
 * Copyright (C) 2016 Glucosio Foundation
 *
 * This file is part of Glucosio.
 *
 * Glucosio 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, version 3.
 *
 * Glucosio 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 Glucosio.  If not, see <http://www.gnu.org/licenses/>.
 *
 *
 */

package org.glucosio.android.tools;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.support.v4.content.FileProvider;
import android.util.Log;

import org.glucosio.android.R;
import org.glucosio.android.db.GlucoseReading;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;

public class ReadingToCSV {

    Context context;

    public ReadingToCSV(Context mContext) {
        this.context = mContext;
    }

    public Uri createCSV(final ArrayList<GlucoseReading> readings, String um) {

        File file = new File(context.getFilesDir().getAbsolutePath(), "glucosio_exported_data.csv"); //Getting a file within the dir.

        try {
            FileOutputStream fileOutputStream = new FileOutputStream(file);
            OutputStreamWriter osw = new OutputStreamWriter(fileOutputStream);

            osw.append(context.getResources().getString(R.string.dialog_add_concentration));
            osw.append(',');

            osw.append(context.getResources().getString(R.string.dialog_add_measured));
            osw.append(',');

            osw.append(context.getResources().getString(R.string.dialog_add_date));
            osw.append(',');

            osw.append(context.getResources().getString(R.string.dialog_add_time));
            osw.append('\n');

            FormatDateTime dateTool = new FormatDateTime(context);

            if ("mg/dL".equals(um)) {
                for (int i = 0; i < readings.size(); i++) {

                    osw.append(readings.get(i).getReading() + "mg/dL");
                    osw.append(',');

                    osw.append(readings.get(i).getReading_type() + "");
                    osw.append(',');

                    osw.append(dateTool.convertRawDate(readings.get(i).getCreated() + ""));
                    osw.append(',');

                    osw.append(dateTool.convertRawTime(readings.get(i).getCreated() + ""));
                    osw.append('\n');
                }
            } else {
                GlucosioConverter converter = new GlucosioConverter();

                for (int i = 0; i < readings.size(); i++) {

                    osw.append(converter.glucoseToMmolL(readings.get(i).getReading()) + "mmol/L");
                    osw.append(',');

                    osw.append(dateTool.convertRawDate(readings.get(i).getCreated() + ""));
                    osw.append(',');

                    osw.append(dateTool.convertRawTime(readings.get(i).getCreated() + ""));
                    osw.append('\n');
                }
            }

            osw.flush();
            osw.close();
            Log.i("Glucosio", "Done exporting readings");

        } catch (Exception e) {
            e.printStackTrace();
        }

        context.grantUriPermission(context.getPackageName(), Uri.parse(file.getAbsolutePath()),
                Intent.FLAG_GRANT_WRITE_URI_PERMISSION | Intent.FLAG_GRANT_READ_URI_PERMISSION);

        return FileProvider.getUriForFile(context, context.getPackageName() + ".provider.fileprovider",
                file.getAbsoluteFile());
    }
}