co.easimart.EasimartPushChannelsController Maven / Gradle / Ivy

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package co.easimart;

import java.util.Collections;
import java.util.List;

import bolts.Continuation;
import bolts.Task;

/** package */ class EasimartPushChannelsController {
  private static final String TAG = "co.easimart.EasimartPushChannelsController";

  private static EasimartCurrentInstallationController getCurrentInstallationController() {
    return EasimartCorePlugins.getInstance().getCurrentInstallationController();
  }

  public Task subscribeInBackground(final String channel) {
    checkManifestAndLogErrorIfNecessary();
    if (channel == null) {
      throw new IllegalArgumentException("Can't subscribe to null channel.");
    }
    return getCurrentInstallationController().getAsync().onSuccessTask(new Continuation>() {
      @Override
      public Task then(Task task) throws Exception {
        EasimartInstallation installation = task.getResult();
        List channels = installation.getList(EasimartInstallation.KEY_CHANNELS);
        if (channels == null
            || installation.isDirty(EasimartInstallation.KEY_CHANNELS)
            || !channels.contains(channel)) {
          installation.addUnique(EasimartInstallation.KEY_CHANNELS, channel);
          return installation.saveInBackground();
        } else {
          return Task.forResult(null);
        }
      }
    });
  }

  public Task unsubscribeInBackground(final String channel) {
    checkManifestAndLogErrorIfNecessary();
    if (channel == null) {
      throw new IllegalArgumentException("Can't unsubscribe from null channel.");
    }
    return getCurrentInstallationController().getAsync().onSuccessTask(new Continuation>() {
      @Override
      public Task then(Task task) throws Exception {
        EasimartInstallation installation = task.getResult();
        List channels = installation.getList(EasimartInstallation.KEY_CHANNELS);
        if (channels != null && channels.contains(channel)) {
          installation.removeAll(
              EasimartInstallation.KEY_CHANNELS, Collections.singletonList(channel));
          return installation.saveInBackground();
        } else {
          return Task.forResult(null);
        }
      }
    });
  }

  private static boolean loggedManifestError = false;
  private static void checkManifestAndLogErrorIfNecessary() {
    if (!loggedManifestError && ManifestInfo.getPushType() == PushType.NONE) {
      loggedManifestError = true;
      EasimartLog.e(TAG, "Tried to subscribe or unsubscribe from a channel, but push is not enabled " +
              "correctly. " + ManifestInfo.getNonePushTypeLogMessage());
    }
  }
}