/*********************************************************************************************************************************
 * Autorskie Prawa Majątkowe - Moose Spółka z ograniczoną odpowiedzialnością
 * Copyright 2019 Moose Spółka z ograniczoną odpowiedzialnością
 ********************************************************************************************************************************/

package eu.mooseinc.documents.explorer.bean;

import eu.mooseinc.documents.explorer.ApplicationBean;
import org.apache.log4j.Logger;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Part;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;

/**
 * Bean for file upload.
 */
@ManagedBean(name = "UploadFileBean")
public class UploadDocumentBean {
	
	private static final Logger logger = Logger.getLogger( UploadDocumentBean.class );
	
	/**
	 * The part of the form containing the file.
	 */
	private Part document;
	
	@ManagedProperty(value="#{applicationBean}")
	private ApplicationBean application;

	/**
	 * Saves the sent file.
	 */
	public void save(final HttpServletRequest request) throws IOException {
		if (!request.isUserInRole("admin")) {
			final ExternalContext externalContext = FacesContext.getCurrentInstance().getExternalContext();
			externalContext.responseReset();
			externalContext.setResponseStatus(403);
			return;
		}

		try (final InputStream input = document.getInputStream()) {
			Files.copy(input, new File(application.getDocumentsDirectory(), document.getSubmittedFileName()).toPath());
		}
		catch (final IOException e) {
			logger.error( "Error", e );
		}

		FacesContext.getCurrentInstance().getExternalContext().redirect("index.jsp");
	}

	public Part getDocument() {
		return document;
	}

	public void setDocument(final Part document) {
		this.document = document;
	}
	
	public void setApplication( ApplicationBean application ) {
		this.application = application;
	}
}