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/*
* Copyright 2014 Google Inc. All rights reserved.
*
* 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 com.google.samples.apps.iosched.sync;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import com.google.samples.apps.iosched.provider.ScheduleContract;
import java.util.ArrayList;
import java.util.List;
import static com.google.samples.apps.iosched.util.LogUtils.*;
/**
* Created by lwray on 5/8/14.
*/
public class FeedbackSyncHelper {
private static final String TAG = makeLogTag(FeedbackSyncHelper.class);
Context mContext;
EventFeedbackApi mEventFeedbackApi;
FeedbackSyncHelper(Context context) {
mContext = context;
mEventFeedbackApi = new EventFeedbackApi(context);
}
public void sync() {
final ContentResolver cr = mContext.getContentResolver();
final Uri newFeedbackUri = ScheduleContract.Feedback.CONTENT_URI;
Cursor c = cr.query(newFeedbackUri,
null,
ScheduleContract.Feedback.SYNCED + " = 0",
null,
null);
LOGD(TAG, "Number of unsynced feedbacks: " + c.getCount());
List<String> updatedSessions = new ArrayList<String>();
while (c.moveToNext()) {
String sessionId = c.getString(c.getColumnIndex(ScheduleContract.Feedback.SESSION_ID));
List<String> questions = new ArrayList<String>();
questions.add(c.getString(c.getColumnIndex(ScheduleContract.Feedback.SESSION_RATING)));
questions.add(c.getString(c.getColumnIndex(ScheduleContract.Feedback.ANSWER_RELEVANCE)));
questions.add(c.getString(c.getColumnIndex(ScheduleContract.Feedback.ANSWER_CONTENT)));
questions.add(c.getString(c.getColumnIndex(ScheduleContract.Feedback.ANSWER_SPEAKER)));
questions.add(c.getString(c.getColumnIndex(ScheduleContract.Feedback.COMMENTS)));
if (mEventFeedbackApi.sendSessionToServer(sessionId, questions)) {
LOGI(TAG, "Successfully updated session " + sessionId);
updatedSessions.add(sessionId);
} else {
LOGE(TAG, "Couldn't update session " + sessionId);
}
}
c.close();
// Flip the "synced" flag to true for any successfully updated sessions, but leave them
// in the database to prevent duplicate feedback
ContentValues contentValues = new ContentValues();
contentValues.put(ScheduleContract.Feedback.SYNCED, 1);
for (String sessionId : updatedSessions) {
cr.update(ScheduleContract.Feedback.buildFeedbackUri(sessionId), contentValues, null, null);
}
}
}
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