Dashboard.java

//
// Copyright 2009 Robin Komiwes, Bruno Verachten, Christophe Cordenier
//
// Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
//
// 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 com.wooki.pages;

import java.util.List;

import org.apache.tapestry5.Block;
import org.apache.tapestry5.EventConstants;
import org.apache.tapestry5.PersistenceConstants;
import org.apache.tapestry5.annotations.InjectComponent;
import org.apache.tapestry5.annotations.InjectPage;
import org.apache.tapestry5.annotations.OnEvent;
import org.apache.tapestry5.annotations.Persist;
import org.apache.tapestry5.annotations.Property;
import org.apache.tapestry5.annotations.SetupRender;
import org.apache.tapestry5.beaneditor.Validate;
import org.apache.tapestry5.corelib.components.Form;
import org.apache.tapestry5.ioc.Messages;
import org.apache.tapestry5.ioc.annotations.Inject;

import com.wooki.WookiEventConstants;
import com.wooki.domain.biz.BookManager;
import com.wooki.domain.model.Book;
import com.wooki.domain.model.User;
import com.wooki.services.security.WookiSecurityContext;
import com.wooki.services.utils.SlugBuilder;

/**
 * Display an index page for wooki application. If no user logged in or requested, then a default
 * signup block will be displayed. If not, then the requested user book list will be displayed.
 * 
 * @author ccordenier
 */
public class Dashboard
{

    @Inject
    private BookManager bookManager;

    @Inject
    private WookiSecurityContext securityCtx;

    @Inject
    private Messages messages;

    @Inject
    private Block coAuthor;

    @Inject
    private Block yourActivity;

    @InjectComponent
    private Form createBookForm;

    @InjectPage
    private com.wooki.pages.book.Index index;

    @Property
    private List<Book> userBooks;

    @Property
    private List<Book> userCollaborations;

    @Property
    private Book currentBook;

    @Property
    private User user;

    @Property
    private int loopIdx;

    @Property
    @Persist
    private boolean showYours;

    @Property
    @Validate("required")
    private String bookTitle;

    @Persist(PersistenceConstants.FLASH)
    private boolean firstAccess;

    /**
     * Set current user if someone has logged in.
     * 
     * @return
     */
    @OnEvent(value = EventConstants.ACTIVATE)
    public boolean setupListBook()
    {
        if (securityCtx.isLoggedIn())
        {
            this.user = securityCtx.getUser();
            this.userBooks = bookManager.listByOwner(user.getUsername());
            this.userCollaborations = this.bookManager.listByCollaborator(user.getUsername());
            return true;
        }
        return false;
    }

    @SetupRender
    public Object setupDashboard()
    {
        if (this.user == null) { return false; }
        return true;
    }

    @OnEvent(value = EventConstants.VALIDATE, component = "bookTitle")
    public void checkUnicity(String title)
    {
        if (bookManager.findBookBySlugTitle(SlugBuilder.buildSlug(title)) != null)
        {
            this.createBookForm.recordError("A book with the same exact title already exists");
        }
    }

    @OnEvent(value = EventConstants.SUCCESS, component = "createBookForm")
    public Object createBook()
    {
        Book created = bookManager.create(bookTitle);
        index.setBookId(created.getId());
        return index;
    }

    @OnEvent(value = "showCoAuthors")
    public Object showCoAuthorsFeed()
    {
        this.showYours = false;
        return this.coAuthor;
    }

    @OnEvent(value = "showUser")
    public Object showUserFeed()
    {
        this.showYours = true;
        return this.yourActivity;
    }

    @OnEvent(value = WookiEventConstants.REMOVE_BOOK)
    public void removeBook(Long bookId)
    {
        this.bookManager.remove(bookId);
    }

    public Object getFeed()
    {
        if (this.showYours) { return this.yourActivity; }
        return this.coAuthor;
    }

    public String getCoAuthorsClass()
    {
        if (this.showYours) { return "inactive"; }
        return "active";
    }

    public String getUserClass()
    {
        if (this.showYours) { return "active"; }
        return "inactive";

    }

    public boolean isFirstAccess()
    {
        return firstAccess;
    }

    public void setFirstAccess(boolean firstAccess)
    {
        this.firstAccess = firstAccess;
    }

    public String getTitle()
    {
        return this.messages.format("dashboard-title", this.user.getUsername());
    }

    public String getStyle()
    {
        return this.loopIdx == 0 ? "first" : null;
    }
}