@Override
protected Integer[] doInBackground(Void... params) {
try {
// First getting the server side revision
// This is pretty simple and fast web call
// This let's us know fast if remote service is up
Integer serverSideLatestRevision =
SyncServices.getServerRevNumberCall(mActivity, mSyncConfig);
Integer serverSideLatestRevisionDate =
SyncServices.getServerRevNumberDateCall(mActivity, mSyncConfig);
if (serverSideLatestRevision == null || serverSideLatestRevisionDate == null) {
throw new SyncException(
"Server latest revision or lastest revision date cannot be null", null);
}
return new Integer[] {serverSideLatestRevision, serverSideLatestRevisionDate};
} catch (Exception e) {
mUpdateFromRevisionException = new SyncException(e.getMessage(), e.getCause());
e.printStackTrace();
cancel(true);
}
return null;
}
private void cleanAndCheckout() throws Exception {
// Clean configured storage
FileCommons.eraseFolder(mSyncConfig.getStoragePath(mActivity));
// Force direct Checkout
SyncServices.checkout(mActivity, mSyncHandler, mSyncConfig);
}
private void updateFromRevision(Integer serverLastRevisionNumber, Integer serverLastRevisionDate)
throws Exception {
/** Comparing server revision with client */
if (mCurrentClientVersion < serverLastRevisionNumber) {
// Client is not up to date.
// Update from currentClientVersion
SyncServices.updateFromRevision(mActivity, mSyncHandler, mCurrentClientVersion, mSyncConfig);
} else if (mCurrentClientVersion.equals(serverLastRevisionNumber)) {
// Notify user sync is finished
mSyncHandler.onSynchronizationFinished(serverLastRevisionNumber, serverLastRevisionDate);
} else {
// client > server revision.
// It's a problem.. make things clean from now...
cleanAndCheckout();
}
}
