chinwag-android/app/src/main/java/com/keylesspalace/tusky/NotificationPullJobCreator.java

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/* Copyright 2017 Andrew Dawson
*
* This file is part of Tusky.
*
* Tusky is free software: you can redistribute it and/or modify it under the terms of the GNU
* Lesser General Public License as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* Tusky 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 Lesser
* General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with Tusky. If
* not, see <http://www.gnu.org/licenses/>. */
package com.keylesspalace.tusky;
import android.content.Context;
import android.content.SharedPreferences;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.Spanned;
import android.util.Log;
import com.evernote.android.job.Job;
import com.evernote.android.job.JobCreator;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.keylesspalace.tusky.db.AccountEntity;
import com.keylesspalace.tusky.db.AccountManager;
import com.keylesspalace.tusky.entity.Notification;
import com.keylesspalace.tusky.json.SpannedTypeAdapter;
import com.keylesspalace.tusky.network.MastodonApi;
import com.keylesspalace.tusky.util.NotificationHelper;
import com.keylesspalace.tusky.util.OkHttpUtils;
import java.io.IOException;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import okhttp3.OkHttpClient;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
/**
* Created by charlag on 31/10/17.
*/
public final class NotificationPullJobCreator implements JobCreator {
private static final String TAG = "NotificationPJC";
static final String NOTIFICATIONS_JOB_TAG = "notifications_job_tag";
private Context context;
NotificationPullJobCreator(Context context) {
this.context = context;
}
@Nullable
@Override
public Job create(@NonNull String tag) {
if (tag.equals(NOTIFICATIONS_JOB_TAG)) {
return new NotificationPullJob(context);
}
return null;
}
private static MastodonApi createMastodonApi(String domain, Context context) {
SharedPreferences preferences = context.getSharedPreferences(
context.getString(R.string.preferences_file_key), Context.MODE_PRIVATE);
OkHttpClient okHttpClient = OkHttpUtils.getCompatibleClientBuilder(preferences)
.build();
Gson gson = new GsonBuilder()
.registerTypeAdapter(Spanned.class, new SpannedTypeAdapter())
.create();
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("https://" + domain)
.client(okHttpClient)
.addConverterFactory(GsonConverterFactory.create(gson))
.build();
return retrofit.create(MastodonApi.class);
}
private final static class NotificationPullJob extends Job {
private Context context;
NotificationPullJob(Context context) {
this.context = context;
}
@NonNull
@Override
protected Result onRunJob(@NonNull Params params) {
AccountManager accountManager = TuskyApplication.getInstance(context).getServiceLocator()
.get(AccountManager.class);
List<AccountEntity> accountList = new ArrayList<>(accountManager.getAllAccountsOrderedByActive());
for (AccountEntity account : accountList) {
if (account.getNotificationsEnabled()) {
MastodonApi api = createMastodonApi(account.getDomain(), context);
try {
Log.d(TAG, "getting Notifications for " + account.getFullName());
Response<List<Notification>> notifications =
api.notificationsWithAuth(String.format("Bearer %s", account.getAccessToken())).execute();
if (notifications.isSuccessful()) {
onNotificationsReceived(account, notifications.body());
} else {
Log.w(TAG, "error receiving notificationsEnabled");
}
} catch (IOException e) {
Log.w(TAG, "error receiving notificationsEnabled", e);
}
}
}
return Result.SUCCESS;
}
private void onNotificationsReceived(AccountEntity account, List<Notification> notificationList) {
Collections.reverse(notificationList);
BigInteger newId = new BigInteger(account.getLastNotificationId());
BigInteger newestId = BigInteger.ZERO;
for (Notification notification : notificationList) {
BigInteger currentId = new BigInteger(notification.getId());
if (isBiggerThan(currentId, newestId)) {
newestId = currentId;
}
if (isBiggerThan(currentId, newId)) {
NotificationHelper.make(context, notification, account);
}
}
account.setLastNotificationId(newestId.toString());
TuskyApplication.getInstance(context).getServiceLocator()
.get(AccountManager.class).saveAccount(account);
}
private boolean isBiggerThan(BigInteger newId, BigInteger lastShownNotificationId) {
return lastShownNotificationId.compareTo(newId) == -1;
}
}
}