DozentGroupBackingBean.java

package com.ese.ils.beta.beans;

import java.io.Serializable;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.URLEncoder;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.List;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.SessionScoped;
import javax.faces.bean.ViewScoped;
import javax.faces.event.ActionEvent;
import javax.faces.model.SelectItem;

import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.bookmarks.NoSuchFolderException;
import com.liferay.portlet.documentlibrary.model.DLFileEntry;
import com.liferay.portlet.documentlibrary.service.DLAppLocalServiceUtil;
import com.liferay.portlet.documentlibrary.service.DLAppServiceUtil;
import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
/**
 * behandelt Gruppenfunktionen und Navigation bei Gruppenfunktionalitaet
 * @author julien hofer
 *
 */
@ManagedBean
@ViewScoped
public class DozentGroupBackingBean implements Serializable {

	private static final long serialVersionUID = 6227101302887655646L;
	
	@ManagedProperty(value="#{dozentNavigationBean}")
	private transient DozentNavigationBean dozentNavigationBean;
	
	@ManagedProperty(value="#{dozentGroupNavigationBean}")
	private transient DozentGroupNavigationBean dozentGroupNavigationBean;
	
	@ManagedProperty(value="#{dozentVoteNavigationBean}")
	private transient DozentVoteNavigationBean dozentVoteNavigationBean;
	
	@ManagedProperty(value="#{dozentGroupData}")
	private transient DozentGroupData dozentGroupData;
	
	//Variablen
	private static final long repositoryId = 25509; //TODO repositoryId dynamische machen !!!
	private String sessionPassword;
	private List<SelectItem> dozentContentItems;
	private String contentUrl;
	private String currentContentId;
	private String sessionId;
	private String uploadedBy;
	Folder dozentGroupFolder;
	
	/**
	 * baut Auswahlliste f�r Gruppeninhalte
	 */
	public void fetchContentItems() {
		System.out.println("fetching Content Items...");
		try{
			dozentContentItems = new ArrayList<SelectItem>();
			System.out.println("getting Group Parent Folder...");
			Folder dozentGroupParentFolder = DLAppServiceUtil.getFolder(repositoryId, 0, "group");
			System.out.println("getting Group Folder...");
			dozentGroupFolder = DLAppServiceUtil.getFolder(repositoryId, 
											dozentGroupParentFolder.getFolderId(), "" + sessionId);
			System.out.println("filling SelectList with Items...");
			System.out.println("Dozent Group Folder Id " + dozentGroupFolder.getFolderId());
			List<FileEntry> testEntry = DLAppServiceUtil.getFileEntries(repositoryId, dozentGroupFolder.getFolderId());
			System.out.println("Test Entry Size = " + testEntry.size());
			
			for (FileEntry fileEntry: DLAppServiceUtil.getFileEntries(repositoryId,
														dozentGroupFolder.getFolderId())) {
				dozentContentItems.add(new SelectItem(fileEntry.getFileEntryId(),fileEntry.getTitle()));
			}
			
		} catch (SystemException e) {
			System.out.println("SYSTEM EXCEPTION!!!");
			e.printStackTrace();
		} catch (NoSuchFolderException e) {
			System.out.println("No Folder exsist... ->" + e.getMessage());
		} catch (PortalException e) {
			System.out.println(e.getMessage());
		}
	}
	
	
	/**
	 * holt Inhalt einer Gruppe anhand der <code>contentId</code>
	 * @param contentId
	 */
	public void fetchContent(long contentId) {
		System.out.println("fetching content...");
		String prefix;
		try{
			prefix = PortalUtil.getPortalURL(InetAddress.getLocalHost().getHostAddress(), PortalUtil.getPortalPort(), false);
			DLFileEntry entry = DLFileEntryLocalServiceUtil.getDLFileEntry(contentId);
			setUploadedBy(entry.getUserName());
			contentUrl = (prefix + "/documents/" +entry.getGroupId() + "/" + entry.getFolderId() + "/" 
								+ URLEncoder.encode(entry.getTitle(), "utf-8"));
			System.out.println(contentUrl);
		} catch (SystemException sysEx) {
			System.out.println("SystemException!!!");
			sysEx.printStackTrace();
		} catch (UnknownHostException e) {
			System.out.println("The host is unknown!");
			e.printStackTrace();
		} catch (UnsupportedEncodingException e) {
			System.out.println("The encoding failed!");
			e.printStackTrace();
		} catch (PortalException e) {
			System.out.println("Portal Exception!!!");
			e.printStackTrace();
		}
	}
	
	/**
	 * beitritt zu einer Gruppe mit <code>sessionId</code>
	 * @param event
	 * @param sessionId
	 */
	public void sessionLogin(ActionEvent event, long sessionId) {
		System.out.println("Session Login...");
		long tmp = sessionId + 1337;
		System.out.println("Login mit ID: " + sessionId);
		System.out.println("Password: " + tmp);
		if (sessionPassword.equals(""+tmp)){
			moveToDozentGroupContentSelection(event);
		}
	}
	
	
	
	
	/**
	 * navigiert zur Auswahl von Gruppeninhalten
	 * @param event
	 */
	public void moveToDozentGroupContentSelection(ActionEvent event) {
		sessionId = String.valueOf(dozentGroupData.getCurrentGroupId());
		fetchContentItems();
		
		
		dozentVoteNavigationBean.setDozentCreateVoteStatus(false);
		dozentVoteNavigationBean.setDozentEditVoteStatus(false);
		dozentVoteNavigationBean.setDozentResultsStatus(false);
		dozentVoteNavigationBean.setDozentShowVoteStatus(false);
		dozentVoteNavigationBean.setDozentVoteHomeStatus(false);
		dozentVoteNavigationBean.setDozentShowVoteStatus(false);
		dozentNavigationBean.setDozentShowFavoritesStatus(false);

		dozentNavigationBean.setDozentShowGroupStatus(false);
		dozentGroupNavigationBean.setDozentGroupShowContentStatus(false);
		dozentGroupNavigationBean.setDozentGroupContentSelectionStatus(true);
		
	}
	/**
	 * navigiert zum Anzeigen eines bestimmten Inhalts einer Gruppe
	 * anhand der <code>currentContentId</code>
	 * @param event
	 */
	public void moveToDozentShowGroupContent(ActionEvent event) {
		
		System.out.println("fetching selected content...");
		fetchContent(Long.valueOf(currentContentId));
		dozentNavigationBean.setDozentShowGroupStatus(false);
		dozentNavigationBean.setDozentShowFavoritesStatus(false);
		
		dozentVoteNavigationBean.setDozentCreateVoteStatus(false);
		dozentVoteNavigationBean.setDozentEditVoteStatus(false);
		dozentVoteNavigationBean.setDozentResultsStatus(false);
		dozentVoteNavigationBean.setDozentShowVoteStatus(false);
		dozentVoteNavigationBean.setDozentVoteHomeStatus(false);
		dozentVoteNavigationBean.setDozentShowVoteStatus(false);
		
		
		dozentGroupNavigationBean.setDozentGroupShowContentStatus(true);
		dozentGroupNavigationBean.setDozentGroupContentSelectionStatus(false);
		
	}
	
	


	//GETTER UND SETTER
	public List<SelectItem> getDozentContentItems() {
		return dozentContentItems;
	}

	public void setDozentContentItems(List<SelectItem> dozentContentItems) {
		this.dozentContentItems = dozentContentItems;
	}

	public String getContentUrl() {
		return contentUrl;
	}

	public void setContentUrl(String contentUrl) {
		this.contentUrl = contentUrl;
	}



	public String getSessionId() {
		return sessionId;
	}



	public void setSessionId(String sessionId) {
		this.sessionId = sessionId;
	}



	public String getCurrentContentId() {
		return currentContentId;
	}



	public void setCurrentContentId(String currentContentId) {
		this.currentContentId = currentContentId;
	}



	public DozentGroupNavigationBean getDozentGroupNavigationBean() {
		return dozentGroupNavigationBean;
	}



	public void setDozentGroupNavigationBean(
			DozentGroupNavigationBean dozentGroupNavigationBean) {
		this.dozentGroupNavigationBean = dozentGroupNavigationBean;
	}



	public DozentNavigationBean getDozentNavigationBean() {
		return dozentNavigationBean;
	}



	public void setDozentNavigationBean(DozentNavigationBean dozentNavigationBean) {
		this.dozentNavigationBean = dozentNavigationBean;
	}



	public DozentGroupData getDozentGroupData() {
		return dozentGroupData;
	}



	public void setDozentGroupData(DozentGroupData dozentGroupData) {
		this.dozentGroupData = dozentGroupData;
	}



	public DozentVoteNavigationBean getDozentVoteNavigationBean() {
		return dozentVoteNavigationBean;
	}



	public void setDozentVoteNavigationBean(
			DozentVoteNavigationBean dozentVoteNavigationBean) {
		this.dozentVoteNavigationBean = dozentVoteNavigationBean;
	}



	public String getUploadedBy() {
		return uploadedBy;
	}



	public void setUploadedBy(String uploadedBy) {
		this.uploadedBy = uploadedBy;
	}

}