/**
    * Copyright 2005-2014 The Kuali Foundation
    *
    * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php
    *
   * 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 org.kuali.rice.kew.notes.service.impl;
  
  import java.io.File;
  import java.util.Iterator;
  import java.util.List;
  
  import org.kuali.rice.kew.notes.Attachment;
  import org.kuali.rice.kew.notes.Note;
  import org.kuali.rice.kew.notes.dao.NoteDAO;
  import org.kuali.rice.kew.notes.service.AttachmentService;
  import org.kuali.rice.kew.notes.service.NoteService;
  
  
  public class NoteServiceImpl implements NoteService {
  
  	private NoteDAO noteDAO;
  
  	private AttachmentService attachmentService;
  
  	public Note getNoteByNoteId(String noteId) {
  		return getNoteDAO().getNoteByNoteId(noteId);
  	}
  
  	public List<Note> getNotesByDocumentId(String documentId) {
  		return getNoteDAO().getNotesByDocumentId(documentId);
  	}
  
  	public void saveNote(Note note) {
  		try {
  			if (! note.getAttachments().isEmpty()){
  				for (Iterator iter = note.getAttachments().iterator(); iter.hasNext();) {
  					Attachment attachment = (Attachment) iter.next();
  					if (attachment.getAttachedObject()!= null){
  						attachmentService.persistAttachedFileAndSetAttachmentBusinessObjectValue(attachment);
  					}
  				}
  			}
  			getNoteDAO().saveNote(note);
  		} catch (Exception e) {
  			throw new RuntimeException(e);
  		}
  	}
  
  	public void deleteNote(Note note) {
  		try {
             if (note != null && !note.getAttachments().isEmpty()){
                 for (Iterator iter = note.getAttachments().iterator(); iter.hasNext();) {
                     Attachment attachment = (Attachment) iter.next();
                     attachmentService.deleteAttachedFile(attachment);
                 }
             }
             if (note != null) {
                 getNoteDAO().deleteNote(note);
             }
  		} catch (Exception e) {
  			throw new RuntimeException("caught exception deleting attachment", e);
  		}
  	}
  
  	public NoteDAO getNoteDAO() {
  		return noteDAO;
  	}
  
  	public void setNoteDAO(NoteDAO noteDAO) {
  		this.noteDAO = noteDAO;
  	}
  
  	public void deleteAttachment(Attachment attachment) {
  		this.noteDAO.deleteAttachment(attachment);
  		try {
  			attachmentService.deleteAttachedFile(attachment);
  		} catch (Exception e) {
  			throw new RuntimeException("caught exception deleting attachment", e);
  		}
  	}
  
  	public File findAttachmentFile(Attachment attachment) {
  		try {
  			return attachmentService.findAttachedFile(attachment);
  		} catch (Exception e) {
  			throw new RuntimeException(e);
  		}
  
  	}
 
 	public Attachment findAttachment(String attachmentId) {
 		return noteDAO.findAttachment(attachmentId);
 	}
 
 	public AttachmentService getAttachmentService() {
 		return attachmentService;
 	}
 
 	public void setAttachmentService(AttachmentService attachmentService) {
 		this.attachmentService = attachmentService;
 	}
 }