com.piccritic.website.post.ViewPost.java Source code

Introduction

Here is the source code for com.piccritic.website.post.ViewPost.java

Source

package com.piccritic.website.post;

import java.io.File;
import java.util.List;

import com.piccritic.compute.MasterService;
import com.piccritic.compute.feedback.FeedbackService;
import com.piccritic.compute.feedback.FeedbackServiceInterface;
import com.piccritic.compute.post.PostService;
import com.piccritic.compute.post.PostServiceInterface;
import com.piccritic.compute.user.UserService;
import com.piccritic.compute.user.UserServiceInterface;
import com.piccritic.database.feedback.Comment;
import com.piccritic.database.feedback.CommentException;
import com.piccritic.database.feedback.VoteException;
import com.piccritic.database.post.Post;
import com.piccritic.database.post.PostException;
import com.piccritic.website.feedback.CommentComponent;
import com.piccritic.website.feedback.CommentForm;
import com.piccritic.website.feedback.RatingComponent;
import com.piccritic.website.login.LoginService;
import com.piccritic.website.login.LoginService.LoginStatus;
import com.vaadin.navigator.View;
import com.vaadin.navigator.ViewChangeListener.ViewChangeEvent;
import com.vaadin.server.FileResource;
import com.vaadin.ui.Button;
import com.vaadin.ui.Image;
import com.vaadin.ui.Label;
import com.vaadin.ui.Notification;
import com.vaadin.ui.Notification.Type;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;

/**
 * This class implements the view post page where the creator
 * can edit/delete and other users cannot. everyone can view.
 * 
 * @author Damien Robichaud <br>
 *       Francis Bosse
 *
 */
public class ViewPost extends VerticalLayout implements View {
    private Post post; // post object to view
    private Image image = new Image();
    private Label postDescription = new Label();
    private RatingComponent ratings = new RatingComponent();
    private List<Comment> comments;
    private UserServiceInterface us = MasterService.userService;
    private FeedbackServiceInterface fs = MasterService.feedbackService;
    private CommentForm commentForm = new CommentForm(fs);
    private Label license = new Label();

    private Button delete = new Button("Delete post");

    private Button edit = new Button("Edit post");

    public static final String NAME = "post";

    public ViewPost() {
        addComponent(image);
        addComponent(postDescription);
        addComponent(ratings);
        addComponent(license);
        setMargin(true);
        setSpacing(true);
    }

    @Override
    public void enter(ViewChangeEvent event) {
        PostServiceInterface service = MasterService.postService;
        post = service.getPost(event.getParameters());
        if (post == null) {
            Notification.show("Error 404" + event.getParameters(), Type.ERROR_MESSAGE);
            return;
        }
        commentForm.setPost(post);
        image.setCaption(post.getTitle());
        image.setSource(new FileResource(new File(post.getPath())));
        image.setSizeFull();
        postDescription.setValue(post.getDescription());
        license.setCaption(post.getLicense().getLicenseType());
        if (event.getParameters().matches("users/" + LoginService.getHandle() + "/.*")) {
            addComponent(delete);
            delete.addClickListener(e -> {
                try {
                    service.deletePost(post);
                    Notification.show("Post deleted successfuly", Type.TRAY_NOTIFICATION);
                } catch (PostException | CommentException | VoteException e1) {
                    Notification.show(e1.getLocalizedMessage(), Type.WARNING_MESSAGE);
                }
            });
            addComponent(edit);
            edit.addClickListener(e -> {
                UI.getCurrent().addWindow(new CreatePost(LoginService.getHandle(), post));
            });
        }

        if (LoginService.getLoginStatus() == LoginStatus.LOGGED_IN) {
            addComponent(commentForm);
        }

        try {
            comments = fs.getComments(post);
        } catch (PostException e) {
            e.printStackTrace();
        }

        for (Comment comment : comments) {
            CommentComponent commentComponent = new CommentComponent(comment, fs, us);
            addComponent(commentComponent);
        }
    }

}