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package cgeo.geocaching.twitter;
import cgeo.geocaching.CgeoApplication;
import cgeo.geocaching.DataStore;
import cgeo.geocaching.Geocache;
import cgeo.geocaching.LogEntry;
import cgeo.geocaching.Trackable;
import cgeo.geocaching.enumerations.LoadFlags;
import cgeo.geocaching.geopoint.Geopoint;
import cgeo.geocaching.geopoint.GeopointFormatter.Format;
import cgeo.geocaching.network.Network;
import cgeo.geocaching.network.OAuth;
import cgeo.geocaching.network.Parameters;
import cgeo.geocaching.settings.Settings;
import cgeo.geocaching.utils.Log;
import cgeo.geocaching.utils.LogTemplateProvider;
import cgeo.geocaching.utils.LogTemplateProvider.LogContext;
import ch.boye.httpclientandroidlib.HttpResponse;
import org.apache.commons.lang3.StringUtils;
public final class Twitter {
private static final String HASH_PREFIX_WITH_BLANK = " #";
private static final int MAX_TWEET_SIZE = 140;
public static void postTweetCache(String geocode, LogEntry logEntry) {
final Geocache cache = DataStore.loadCache(geocode, LoadFlags.LOAD_CACHE_OR_DB);
postTweet(CgeoApplication.getInstance(), getStatusMessage(cache, logEntry), null);
}
public static void postTweetTrackable(String geocode) {
final Trackable trackable = DataStore.loadTrackable(geocode);
postTweet(CgeoApplication.getInstance(), getStatusMessage(trackable), null);
}
private static void postTweet(final CgeoApplication app, final String statusIn, final Geopoint coords) {
if (app == null || !Settings.isUseTwitter() || !Settings.isTwitterLoginValid()) {
return;
}
try {
final String status = shortenToMaxSize(statusIn);
Parameters parameters = new Parameters("status", status);
if (coords != null) {
parameters.put(
"lat", coords.format(Format.LAT_DECDEGREE_RAW),
"long", coords.format(Format.LON_DECDEGREE_RAW),
"display_coordinates", "true");
}
OAuth.signOAuth("api.twitter.com", "/1.1/statuses/update.json", "POST", false, parameters, Settings.getTokenPublic(), Settings.getTokenSecret(), Settings.getKeyConsumerPublic(), Settings.getKeyConsumerSecret());
final HttpResponse httpResponse = Network.postRequest("http://api.twitter.com/1.1/statuses/update.json", parameters);
if (httpResponse != null) {
if (httpResponse.getStatusLine().getStatusCode() == 200) {
Log.i("Tweet posted");
} else {
Log.e("Tweet could not be posted. Reason: " + httpResponse.toString());
}
} else {
Log.e("Tweet could not be posted. Reason: httpResponse Object is null");
}
} catch (Exception e) {
Log.e("Twitter.postTweet", e);
}
}
private static String shortenToMaxSize(final String status) {
String result = StringUtils.trim(status);
if (StringUtils.length(result) > MAX_TWEET_SIZE) {
return StringUtils.substring(result, 0, MAX_TWEET_SIZE - 1) + '…';
}
return result;
}
private static void appendHashTag(final StringBuilder status, final String tag) {
if (status.length() + HASH_PREFIX_WITH_BLANK.length() + tag.length() <= MAX_TWEET_SIZE) {
final String tagWithPrefix = HASH_PREFIX_WITH_BLANK + tag;
if (!StringUtils.contains(status, tagWithPrefix)) {
status.append(tagWithPrefix);
}
}
}
static String getStatusMessage(Geocache cache, LogEntry logEntry) {
return appendHashTags(LogTemplateProvider.applyTemplates(Settings.getCacheTwitterMessage(), new LogContext(cache, logEntry)));
}
static String getStatusMessage(Trackable trackable) {
return appendHashTags(LogTemplateProvider.applyTemplates(Settings.getTrackableTwitterMessage(), new LogContext(trackable)));
}
private static String appendHashTags(final String status) {
StringBuilder builder = new StringBuilder(status);
appendHashTag(builder, "cgeo");
appendHashTag(builder, "geocaching");
return builder.toString();
}
}
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