net.niyonkuru.koodroid.html.SubscribersHandler.java Source code

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Here is the source code for net.niyonkuru.koodroid.html.SubscribersHandler.java

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/*
 * Copyright 2012 Mike Niyonkuru
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.niyonkuru.koodroid.html;

import android.content.ContentProviderOperation;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.res.Resources;
import android.database.Cursor;
import android.net.Uri;

import java.util.ArrayList;

import net.niyonkuru.koodroid.R;
import net.niyonkuru.koodroid.provider.AccountContract.Subscribers;
import net.niyonkuru.koodroid.provider.SettingsContract.Settings;

import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;

import com.crittercism.app.Crittercism;
import org.json.JSONException;
import org.json.JSONObject;

/**
 * Finds and extract a {@link Subscribers} from a dropdown list.
 */
public class SubscribersHandler extends HtmlHandler {
    public SubscribersHandler(Resources resources, String parent) {
        super(resources, parent);
    }

    @Override
    public ArrayList<ContentProviderOperation> parse(Document doc, ContentResolver resolver)
            throws HandlerException {
        final ArrayList<ContentProviderOperation> batch = new ArrayList<ContentProviderOperation>();

        Element subscriberLi = doc.select("div#banSelector li:has(div)").first();
        while (subscriberLi != null) {
            String text = subscriberLi.text();

            /* this assumes the name and phone number are separated by a space */
            int separator = text.lastIndexOf(' ') + 1;

            String subscriberId = text.substring(separator).replaceAll("\\D", "");
            if (subscriberId.length() != 10)
                throw new HandlerException(getString(R.string.parser_error_unexpected_input));

            final ContentProviderOperation.Builder builder;

            final Uri subscriberUri = Subscribers.buildSubscriberUri(subscriberId);
            if (subscriberExists(subscriberUri, resolver)) {
                builder = ContentProviderOperation.newUpdate(subscriberUri);
                builder.withValue(Subscribers.UPDATED, System.currentTimeMillis());
            } else {
                builder = ContentProviderOperation.newInsert(Subscribers.CONTENT_URI);
            }
            builder.withValue(Subscribers.SUBSCRIBER_ID, subscriberId);

            String fullName = "";
            String[] names = text.substring(0, separator).split("\\s");
            for (String name : names) {
                fullName += ParserUtils.capitalize(name) + " ";
            }
            builder.withValue(Subscribers.SUBSCRIBER_FULL_NAME, fullName.trim());

            if (subscriberLi.hasAttr("onClick")) {
                String switchUrl = subscriberLi.attr("onClick");

                /* extract only the url */
                switchUrl = switchUrl.substring(switchUrl.indexOf('/'), switchUrl.lastIndexOf('\''));
                builder.withValue(Subscribers.SUBSCRIBER_SWITCHER, switchUrl);
            } else { /* this is the default subscriber as it doesn't have a switcher url */
                ContentValues cv = new ContentValues(1);
                cv.put(Settings.SUBSCRIBER, subscriberId);

                resolver.insert(Settings.CONTENT_URI, cv);
            }
            builder.withValue(Subscribers.SUBSCRIBER_EMAIL, mParent);

            batch.add(builder.build());

            subscriberLi = subscriberLi.nextElementSibling();
        }
        if (batch.size() == 0)
            throw new HandlerException(getString(R.string.parser_error_unexpected_input));

        JSONObject metadata = new JSONObject();
        try {
            metadata.put("subscribers", batch.size());
            metadata.put("language", getString(R.string.locale));
        } catch (JSONException ignored) {
        }
        Crittercism.setMetadata(metadata);
        Crittercism.setUsername(mParent);

        return batch;
    }

    private static boolean subscriberExists(Uri uri, ContentResolver resolver) {
        Cursor cursor = resolver.query(uri, null, null, null, null);
        try {
            return cursor.moveToFirst();
        } finally {
            cursor.close();
        }
    }
}