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ActFmSyncProvider.java
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ActFmSyncProvider.java
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/**
* See the file "LICENSE" for the full license governing this code.
*/
package com.todoroo.astrid.actfm.sync;
import java.io.IOException;
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.text.TextUtils;
import com.timsu.astrid.C2DMReceiver;
import com.timsu.astrid.R;
import com.todoroo.andlib.data.TodorooCursor;
import com.todoroo.andlib.service.Autowired;
import com.todoroo.andlib.service.ContextManager;
import com.todoroo.andlib.utility.DateUtilities;
import com.todoroo.andlib.utility.Preferences;
import com.todoroo.astrid.actfm.ActFmBackgroundService;
import com.todoroo.astrid.actfm.ActFmLoginActivity;
import com.todoroo.astrid.actfm.ActFmPreferences;
import com.todoroo.astrid.actfm.sync.ActFmSyncService.JsonHelper;
import com.todoroo.astrid.api.AstridApiConstants;
import com.todoroo.astrid.core.PluginServices;
import com.todoroo.astrid.dao.TaskDao;
import com.todoroo.astrid.data.Metadata;
import com.todoroo.astrid.data.Task;
import com.todoroo.astrid.notes.NoteMetadata;
import com.todoroo.astrid.service.AstridDependencyInjector;
import com.todoroo.astrid.service.StatisticsService;
import com.todoroo.astrid.sync.SyncProvider;
import com.todoroo.astrid.sync.SyncProviderUtilities;
import com.todoroo.astrid.utility.Constants;
@SuppressWarnings("nls")
public class ActFmSyncProvider extends SyncProvider<ActFmTaskContainer> {
private ActFmInvoker invoker = null;
@Autowired ActFmDataService actFmDataService;
@Autowired ActFmSyncService actFmSyncService;
@Autowired ActFmPreferenceService actFmPreferenceService;
static {
AstridDependencyInjector.initialize();
}
// ----------------------------------------------------------------------
// ------------------------------------------------------ utility methods
// ----------------------------------------------------------------------
@Override
protected SyncProviderUtilities getUtilities() {
return actFmPreferenceService;
}
/**
* Sign out of service, deleting all synchronization metadata
*/
public void signOut() {
actFmPreferenceService.setToken(null);
actFmPreferenceService.clearLastSyncDate();
C2DMReceiver.unregister();
}
// ----------------------------------------------------------------------
// ------------------------------------------------------ initiating sync
// ----------------------------------------------------------------------
/**
* initiate sync in background
*/
@Override
protected void initiateBackground() {
try {
C2DMReceiver.register();
String authToken = actFmPreferenceService.getToken();
invoker = new ActFmInvoker(authToken);
// check if we have a token & it works
if(authToken != null) {
performSync();
}
} catch (IllegalStateException e) {
// occurs when application was closed
} catch (Exception e) {
handleException("actfm-authenticate", e, true);
} finally {
actFmPreferenceService.stopOngoing();
}
}
/**
* If user isn't already signed in, show sign in dialog. Else perform sync.
*/
@Override
protected void initiateManual(Activity activity) {
String authToken = actFmPreferenceService.getToken();
actFmPreferenceService.stopOngoing();
// check if we have a token & it works
if(authToken == null) {
// display login-activity
Intent intent = new Intent(activity, ActFmLoginActivity.class);
activity.startActivityForResult(intent, 0);
} else {
activity.startService(new Intent(null, null,
activity, ActFmBackgroundService.class));
}
}
// ----------------------------------------------------------------------
// ----------------------------------------------------- synchronization!
// ----------------------------------------------------------------------
protected void performSync() {
actFmPreferenceService.recordSyncStart();
boolean syncSuccess = false;
try {
int serverTime = Preferences.getInt(ActFmPreferenceService.PREF_SERVER_TIME, 0);
ArrayList<ActFmTaskContainer> remoteTasks = new ArrayList<ActFmTaskContainer>();
serverTime = (int)(fetchRemoteTasks(serverTime, remoteTasks) - DateUtilities.now()/1000L);
fetchRemoteTagData(serverTime);
SyncData<ActFmTaskContainer> syncData = populateSyncData(remoteTasks);
try {
synchronizeTasks(syncData);
} finally {
syncData.localCreated.close();
syncData.localUpdated.close();
}
serverTime += DateUtilities.now()/1000L;
Preferences.setInt(ActFmPreferenceService.PREF_SERVER_TIME, serverTime);
actFmPreferenceService.recordSuccessfulSync();
syncSuccess = true;
Intent broadcastIntent = new Intent(AstridApiConstants.BROADCAST_EVENT_REFRESH);
ContextManager.getContext().sendBroadcast(broadcastIntent, AstridApiConstants.PERMISSION_READ);
} catch (IllegalStateException e) {
// occurs when application was closed
} catch (Exception e) {
handleException("actfm-sync", e, true); //$NON-NLS-1$
} finally {
StatisticsService.reportEvent("actfm-sync-finished",
"success", Boolean.toString(syncSuccess)); //$NON-NLS-1$
}
}
/**
* Read remote tag data and merge with local
* @param serverTime last sync time
*/
private void fetchRemoteTagData(int serverTime) throws ActFmServiceException, IOException, JSONException {
actFmSyncService.fetchTags();
}
/**
* Read remote task data into remote task array
* @param serverTime last sync time
*/
private int fetchRemoteTasks(int serverTime,
ArrayList<ActFmTaskContainer> remoteTasks) throws IOException,
ActFmServiceException, JSONException {
JSONObject result;
if(serverTime == 0)
result = invoker.invoke("task_list", "active", 1);
else
result = invoker.invoke("task_list", "modified_after", serverTime);
JSONArray taskList = result.getJSONArray("list");
for(int i = 0; i < taskList.length(); i++) {
ActFmTaskContainer remote = parseRemoteTask(taskList.getJSONObject(i));
// update reminder flags for incoming remote tasks to prevent annoying
if(remote.task.hasDueDate() && remote.task.getValue(Task.DUE_DATE) < DateUtilities.now())
remote.task.setFlag(Task.REMINDER_FLAGS, Task.NOTIFY_AFTER_DEADLINE, false);
actFmDataService.findLocalMatch(remote);
remoteTasks.add(remote);
}
return result.optInt("time", 0);
}
// ----------------------------------------------------------------------
// ------------------------------------------------------------ sync data
// ----------------------------------------------------------------------
/**
* Populate SyncData data structure
* @throws JSONException
*/
private SyncData<ActFmTaskContainer> populateSyncData(ArrayList<ActFmTaskContainer> remoteTasks) throws JSONException {
// fetch locally created tasks
TodorooCursor<Task> localCreated = actFmDataService.getLocallyCreated(Task.PROPERTIES);
// fetch locally updated tasks
TodorooCursor<Task> localUpdated = actFmDataService.getLocallyUpdated(Task.PROPERTIES);
return new SyncData<ActFmTaskContainer>(remoteTasks, localCreated, localUpdated);
}
// ----------------------------------------------------------------------
// ------------------------------------------------- create / push / pull
// ----------------------------------------------------------------------
@Override
protected ActFmTaskContainer create(ActFmTaskContainer local) throws IOException {
return push(local, null);
}
/** Create a task container for the given remote task
* @throws JSONException */
private ActFmTaskContainer parseRemoteTask(JSONObject remoteTask) throws JSONException {
Task task = new Task();
TaskDao.setDefaultReminders(task);
ArrayList<Metadata> metadata = new ArrayList<Metadata>();
JsonHelper.taskFromJson(remoteTask, task, metadata);
ActFmTaskContainer container = new ActFmTaskContainer(task, metadata, remoteTask);
return container;
}
@Override
protected ActFmTaskContainer pull(ActFmTaskContainer task) throws IOException {
if(task.task.getValue(Task.REMOTE_ID) == 0)
throw new ActFmServiceException("Tried to read an invalid task"); //$NON-NLS-1$
JSONObject remote = invoker.invoke("task_show", "id", task.task.getValue(Task.REMOTE_ID));
try {
return parseRemoteTask(remote);
} catch (JSONException e) {
throw new ActFmServiceException(e);
}
}
/**
* Send changes for the given Task across the wire.
*/
@Override
protected ActFmTaskContainer push(ActFmTaskContainer local, ActFmTaskContainer remote) throws IOException {
long id = local.task.getValue(Task.REMOTE_ID);
actFmSyncService.pushTaskOnSave(local.task, local.task.getDatabaseValues());
// push unsaved comments
for(Metadata item : local.metadata) {
if(NoteMetadata.METADATA_KEY.equals(item.getValue(Metadata.KEY)))
if(TextUtils.isEmpty(item.getValue(NoteMetadata.EXT_ID))) {
JSONObject comment = invoker.invoke("comment_add",
"task_id", id,
"message", item.getValue(NoteMetadata.BODY));
item.setValue(NoteMetadata.EXT_ID, comment.optString("id"));
}
}
return local;
}
// ----------------------------------------------------------------------
// --------------------------------------------------------- read / write
// ----------------------------------------------------------------------
@Override
protected ActFmTaskContainer read(TodorooCursor<Task> cursor) throws IOException {
return actFmDataService.readTaskAndMetadata(cursor);
}
@Override
protected void write(ActFmTaskContainer task) throws IOException {
if(task.task.isSaved()) {
Task local = PluginServices.getTaskService().fetchById(task.task.getId(), Task.COMPLETION_DATE);
if(task.task.isCompleted() && !local.isCompleted())
StatisticsService.reportEvent("actfm-task-completed"); //$NON-NLS-1$
}
actFmDataService.saveTaskAndMetadata(task);
}
// ----------------------------------------------------------------------
// --------------------------------------------------------- misc helpers
// ----------------------------------------------------------------------
@Override
protected int matchTask(ArrayList<ActFmTaskContainer> tasks, ActFmTaskContainer target) {
int length = tasks.size();
for(int i = 0; i < length; i++) {
ActFmTaskContainer task = tasks.get(i);
if (task.task.getValue(Task.REMOTE_ID) == target.task.getValue(Task.REMOTE_ID))
return i;
}
return -1;
}
@Override
protected int updateNotification(Context context, Notification notification) {
String notificationTitle = context.getString(R.string.actfm_notification_title);
Intent intent = new Intent(context, ActFmPreferences.class);
PendingIntent notificationIntent = PendingIntent.getActivity(context, 0,
intent, 0);
notification.setLatestEventInfo(context,
notificationTitle, context.getString(R.string.SyP_progress),
notificationIntent);
return Constants.NOTIFICATION_SYNC;
}
@Override
protected void transferIdentifiers(ActFmTaskContainer source,
ActFmTaskContainer destination) {
destination.task.setValue(Task.REMOTE_ID, source.task.getValue(Task.REMOTE_ID));
}
}