package com.srv4pos.server.api.sync.sample;
   
   import com.srv4pos.server.api.keyboard.KeyboardInfo;
   import com.srv4pos.server.api.sync.EntitySyncAdapter;
   import com.srv4pos.server.api.sync.Uploader;
   
   import java.util.List;
   
   /**
   * Created by moonsweel on 22.06.16.
   */
  public class KeyboardSyncAdapter implements EntitySyncAdapter<KeyboardInfo> {
      private MemoryLocalStorage storage;
  
      public KeyboardSyncAdapter(MemoryLocalStorage storage) {
          this.storage = storage;
      }
  
      public void upload(Uploader<KeyboardInfo> uploader) {
          List<SyncKeyboard> keyboards = storage.getKeyboards();
          for (SyncKeyboard keyboard : keyboards) {
              if (!keyboard.isSynced()) {
                  doUpload(uploader, keyboard);
              }
          }
      }
  
      private void doUpload(Uploader<KeyboardInfo> uploader, SyncKeyboard keyboard) {
          final KeyboardInfo keyboardInfo = keyboard.getInfo();
  
          final String newIdentifier = uploader.upload(keyboardInfo, null);
          if (newIdentifier != null && newIdentifier.length() > 0) {
              keyboardInfo.setIdentifier(newIdentifier);
          }
  
          keyboard.setSynced(true);
      }
  
      public void createOrUpdateEntityFromInfo(KeyboardInfo info) {
          SyncKeyboard keyboard = storage.getKeyboardByIdentifier(info.getIdentifier());
  
          if (keyboard == null) {
              keyboard = new SyncKeyboard(info);
              storage.add(keyboard); // adding even if info is in "deleted" state (info.isDeleted() == true)
          } else {
              keyboard.setInfo(info);
          }
  
          keyboard.setSynced(true);
      }
  }