/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.photoalbum.manager;
/**
* Class encapsulated all functionality, related to working with album.
*
* @author Andrey Markhel
*/
import java.io.Serializable;
import java.util.Date;
import java.util.Set;
import javax.enterprise.context.RequestScoped;
import javax.enterprise.event.Event;
import javax.enterprise.inject.Any;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.inject.Inject;
import javax.inject.Named;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import org.richfaces.photoalbum.model.Album;
import org.richfaces.photoalbum.model.Shelf;
import org.richfaces.photoalbum.model.User;
import org.richfaces.photoalbum.model.actions.IAlbumAction;
import org.richfaces.photoalbum.model.event.AlbumEvent;
import org.richfaces.photoalbum.model.event.ErrorEvent;
import org.richfaces.photoalbum.model.event.EventType;
import org.richfaces.photoalbum.model.event.EventTypeQualifier;
import org.richfaces.photoalbum.model.event.Events;
import org.richfaces.photoalbum.util.Constants;
import org.richfaces.photoalbum.util.Preferred;
@Named
@RequestScoped
public class AlbumManager implements Serializable {
private static final long serialVersionUID = 2631634926126857691L;
private boolean validationSuccess = false;
private boolean errorInCreate = false;
@Inject
private IAlbumAction albumAction;
@Inject
@Preferred
private User user;
@Inject
Model model;
@Inject
@EventType(Events.ADD_ERROR_EVENT)
Event<ErrorEvent> error;
@Inject
@Any
Event<AlbumEvent> albumEvent;
private Album album = new Album();
public Album getAlbum() {
return album;
}
public void setAlbum(Album album) {
this.album = album;
}
/**
* Method, that invoked on creation of the new album. Only registered users can create new albums.
*
* @param album - new album
*
*/
public void addAlbum(Album album) {
if (user == null) {
return;
}
// Shelf must be not-null
if (album.getShelf() == null) {
FacesContext.getCurrentInstance().addMessage(Constants.SHELF_ID,
new FacesMessage("", Constants.SHELF_MUST_BE_NOT_NULL_ERROR));
return;
}
// Album name must be unique in shelf
if (user.hasAlbumWithName(album)) {
error.fire(new ErrorEvent("", Constants.SAME_ALBUM_EXIST_ERROR));
return;
}
// All data is valid
validationSuccess = true;
try {
// Save to DB
album.setCreated(new Date());
albumAction.addAlbum(album);
} catch (Exception e) {
error.fire(new ErrorEvent("Error", Constants.ALBUM_SAVING_ERROR + "<br/>" + e.getMessage()));
return;
}
// Reset 'album' component in conversation scope
albumEvent.select(new EventTypeQualifier(Events.ALBUM_ADDED_EVENT)).fire(new AlbumEvent(album));
}
/**
* Method, that invoked when user want to create new album. Only registered users can create new albums.
*
* @param shelf - shelf, that will contain new album
* @param isShowAlbumAfterCreate - indicate is we need to show created album after create.
*
*/
public void createAlbum(Shelf shelf, boolean isShowAlbumAfterCreate) {
if (user == null) {
return;
}
album = new Album();
if (shelf == null) {
if (model.getSelectedShelf() != null) {
shelf = model.getSelectedShelf();
} else if (user.getShelves().size() > 0) {
shelf = user.getShelves().get(0);
}
if (shelf == null) {
error.fire(new ErrorEvent("", Constants.NO_SHELF_ERROR));
setErrorInCreate(true);
return;
}
}
album.setShelf(shelf);
album.setShowAfterCreate(isShowAlbumAfterCreate);
}
/**
* Method, that invoked when user click 'Edit album' button. Only registered users can edit albums.
*
* @param album - edited album
* @param editFromInplace - indicate whether edit process was initiated by inplaceInput component
*/
public void editAlbum(Album album, boolean editFromInplace) {
if (user == null) {
return;
}
try {
if (user.hasAlbumWithName(album)) {
error.fire(new ErrorEvent("", Constants.SAME_ALBUM_EXIST_ERROR));
albumAction.resetAlbum(album);
return;
}
if (editFromInplace) {
// We need validate album name manually
Validator validator = Validation.buildDefaultValidatorFactory().getValidator();
Set<ConstraintViolation<Album>> constraintViolations = validator.validate(album);
if (constraintViolations.size() > 0) {
for (ConstraintViolation<Album> cv : constraintViolations) {
error.fire(new ErrorEvent("Constraint violation", cv.getMessage()));
}
// If error occured we need refresh album to display correct value in inplaceInput
albumAction.resetAlbum(album);
return;
}
}
albumAction.editAlbum(album);
} catch (Exception e) {
error.fire(new ErrorEvent("Error", Constants.ALBUM_SAVING_ERROR + "<br/>" + e.getMessage()));
albumAction.resetAlbum(album);
return;
}
// Reset 'album' component in conversation scope
albumEvent.select(new EventTypeQualifier(Events.ALBUM_EDITED_EVENT)).fire(new AlbumEvent(album));
}
/**
* Method, that invoked when user click 'Delete album' button. Only registered users can delete albums.
*
* @param album - album to delete
*
*/
public void deleteAlbum(Album album) {
if (user == null) {
return;
}
String pathToDelete = album.getPath();
try {
albumAction.deleteAlbum(album);
} catch (Exception e) {
error.fire(new ErrorEvent("Error", Constants.ALBUM_DELETING_ERROR + "<br/>" + e.getMessage()));
return;
}
// Raise 'albumDeleted' event, parameter path - path of Directory to delete
albumEvent.select(new EventTypeQualifier(Events.ALBUM_DELETED_EVENT)).fire(new AlbumEvent(album, pathToDelete));
}
public boolean isValidationSuccess() {
return validationSuccess;
}
public void setValidationSuccess(boolean validationSuccess) {
this.validationSuccess = validationSuccess;
}
public boolean isErrorInCreate() {
return errorInCreate;
}
public void setErrorInCreate(boolean errorInCreate) {
this.errorInCreate = errorInCreate;
}
}