org.mariotaku.twidere.util.CacheUsersStatusesTask.java Source code

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Here is the source code for org.mariotaku.twidere.util.CacheUsersStatusesTask.java

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/*
 *            Twidere - Twitter client for Android
 * 
 * Copyright (C) 2012 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 * This program 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.
 *
 * This program 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 org.mariotaku.twidere.util;

import static org.mariotaku.twidere.util.ContentResolverUtils.bulkDelete;
import static org.mariotaku.twidere.util.ContentResolverUtils.bulkInsert;
import static org.mariotaku.twidere.util.Utils.makeCachedUserContentValues;
import static org.mariotaku.twidere.util.Utils.makeStatusContentValues;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.mariotaku.twidere.Constants;
import org.mariotaku.twidere.R;
import org.mariotaku.twidere.provider.TweetStore.CachedHashtags;
import org.mariotaku.twidere.provider.TweetStore.CachedStatuses;
import org.mariotaku.twidere.provider.TweetStore.CachedUsers;
import org.mariotaku.twidere.util.TwitterWrapper.TwitterListResponse;

import twitter4j.User;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;

import com.twitter.Extractor;

public class CacheUsersStatusesTask extends AsyncTask<Void, Void, Void> implements Constants {

    private final TwitterListResponse<twitter4j.Status>[] all_statuses;
    private final ContentResolver resolver;
    private final boolean large_profile_image;
    private final Context context;

    public CacheUsersStatusesTask(final Context context,
            final TwitterListResponse<twitter4j.Status>... all_statuses) {
        resolver = context.getContentResolver();
        this.context = context;
        this.all_statuses = all_statuses;
        large_profile_image = context.getResources().getBoolean(R.bool.hires_profile_image);
    }

    @Override
    protected Void doInBackground(final Void... args) {
        if (all_statuses == null || all_statuses.length == 0)
            return null;
        final Extractor extractor = new Extractor();
        final Set<ContentValues> cached_users_values = new HashSet<ContentValues>();
        final Set<ContentValues> cached_statuses_values = new HashSet<ContentValues>();
        final Set<ContentValues> hashtag_values = new HashSet<ContentValues>();
        final Set<Long> user_ids = new HashSet<Long>();
        final Set<Long> status_ids = new HashSet<Long>();
        final Set<String> hashtags = new HashSet<String>();
        final Set<User> users = new HashSet<User>();
        final boolean large_preview_image = Utils
                .getImagePreviewDisplayOptionInt(context) == IMAGE_PREVIEW_DISPLAY_OPTION_CODE_LARGE;

        for (final TwitterListResponse<twitter4j.Status> values : all_statuses) {
            if (values == null || values.list == null) {
                continue;
            }
            final List<twitter4j.Status> list = values.list;
            for (final twitter4j.Status status : list) {
                if (status == null || status.getId() <= 0) {
                    continue;
                }
                status_ids.add(status.getId());
                cached_statuses_values.add(makeStatusContentValues(status, values.account_id, large_profile_image,
                        large_preview_image));
                hashtags.addAll(extractor.extractHashtags(status.getText()));
                final User user = status.getUser();
                if (user != null && user.getId() > 0) {
                    users.add(user);
                }
            }
        }

        bulkDelete(resolver, CachedStatuses.CONTENT_URI, CachedStatuses.STATUS_ID, status_ids, null, false);
        bulkInsert(resolver, CachedStatuses.CONTENT_URI, cached_statuses_values);

        for (final String hashtag : hashtags) {
            final ContentValues hashtag_value = new ContentValues();
            hashtag_value.put(CachedHashtags.NAME, hashtag);
            hashtag_values.add(hashtag_value);
        }
        bulkDelete(resolver, CachedHashtags.CONTENT_URI, CachedHashtags.NAME, hashtags, null, true);
        bulkInsert(resolver, CachedHashtags.CONTENT_URI, hashtag_values);

        for (final User user : users) {
            user_ids.add(user.getId());
            cached_users_values.add(makeCachedUserContentValues(user, large_profile_image));
        }
        bulkDelete(resolver, CachedUsers.CONTENT_URI, CachedUsers.USER_ID, user_ids, null, false);
        bulkInsert(resolver, CachedUsers.CONTENT_URI, cached_users_values);
        return null;
    }

    public static Runnable getRunnable(final Context context,
            final TwitterListResponse<twitter4j.Status>... all_statuses) {
        return new ExecuteCacheUserStatusesTaskRunnable(context, all_statuses);

    }

    static class ExecuteCacheUserStatusesTaskRunnable implements Runnable {
        final Context context;
        final TwitterListResponse<twitter4j.Status>[] all_statuses;

        ExecuteCacheUserStatusesTaskRunnable(final Context context,
                final TwitterListResponse<twitter4j.Status>... all_statuses) {
            this.context = context;
            this.all_statuses = all_statuses;
        }

        @Override
        public void run() {
            new CacheUsersStatusesTask(context, all_statuses).execute();
        }
    }
}