BrandBean.java

package br.com.oftalmoprev.bean;

import java.io.Serializable;
import java.util.List;

import javax.annotation.PostConstruct;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
import javax.faces.view.ViewScoped;
import javax.inject.Inject;
import javax.inject.Named;

import org.primefaces.context.RequestContext;

import br.com.oftalmoprev.control.util.MessageUtil;
import br.com.oftalmoprev.model.Brand;
import br.com.oftalmoprev.service.BrandService;

@Named
@ViewScoped
public class BrandBean implements Serializable {
	
	private static final long serialVersionUID = 9204486797916777869L;

	@Inject
	private BrandService brandService;

	private Brand brand;

	private List<Brand> brands;

	@PostConstruct
	public void init() {
		clean();
	}

	public void save() {
		FacesContext ctx = FacesContext.getCurrentInstance();
		RequestContext req = RequestContext.getCurrentInstance();

		if (validate(ctx)) {
			
			String message = "";
			
			try {
				if (brand.getPk() == null) {
					brandService.add(brand);
					message = MessageUtil.getMessage("brand.add.success");
				} else {
					brandService.edit(brand);
					message = MessageUtil.getMessage("brand.edit.success");
				}
				
				refreshBrands();
				
				ctx.addMessage("globalMessages", new FacesMessage(FacesMessage.SEVERITY_INFO,
						MessageUtil.getMessage("global.success"), message));
				
				req.execute("PF('brandDialog').hide()");
				req.update("brandTableForm");
				req.update("globalMessages");
				
			} catch (Exception e) {
				sendGenericErrorMessage();
			}
		}
	}
	
	public void showAddDialog() {
		clean();
		
		RequestContext req = RequestContext.getCurrentInstance();
		req.execute("PF('brandDialog').show()");
		req.update("brandForm");
	}
	
	public void showEditDialog(Brand b) {
		brand = b;
		
		RequestContext req = RequestContext.getCurrentInstance();
		req.execute("PF('brandDialog').show()");
		req.update("brandForm");
	}
	
	public void clean() {
		brand = new Brand();
	}
	
	public void refreshBrands() {
		brands = brandService.getAll();
	}

	public boolean validate(FacesContext ctx) {

		boolean valid = true;

		brand.setName(brand.getName().trim());

		if (brand.getName().isEmpty()) {
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR,
					MessageUtil.getMessage("global.error"),
					MessageUtil.getMessage("brand.name.required")));
			valid = false;
		}

		return valid;
	}

	public void inactivate(Brand brand) {
		try {
			brandService.inactivate(brand);
		} catch (Exception e) {
			sendGenericErrorMessage();
		}
	}

	public void activate(Brand brand) {
		try {
			brandService.activate(brand);
		} catch (Exception e) {
			sendGenericErrorMessage();
		}
	}
	
	public void sendGenericErrorMessage() {
		FacesContext ctx = FacesContext.getCurrentInstance();
		
		ctx.addMessage("globalMessages", new FacesMessage(FacesMessage.SEVERITY_ERROR,
				MessageUtil.getMessage("global.error"),
				MessageUtil.getMessage("error.message.support")));
	}

	public Brand getBrand() {
		return brand;
	}
	
	public List<Brand> getAllBrands() {
		
		if (brands == null) {
			refreshBrands();
		}
		
		return brands;
	}

	public List<Brand> getAllActiveBrands() {
		return brandService.getAllActive();
	}
	
}