DozentFavoriteBackingBean.java

package com.ese.ils.beta.beans;

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

import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.ViewScoped;
import javax.faces.event.ActionEvent;

import org.icefaces.ace.event.SelectEvent;
import org.icefaces.ace.model.table.RowStateMap;

import com.ese.ils.beta.model.Favorite;
import com.ese.ils.beta.model.Slide;
import com.ese.ils.beta.service.FavoriteLocalServiceUtil;
import com.ese.ils.beta.service.SlideLocalServiceUtil;
import com.liferay.portal.kernel.dao.orm.DynamicQuery;
import com.liferay.portal.kernel.dao.orm.DynamicQueryFactoryUtil;
import com.liferay.portal.kernel.dao.orm.PropertyFactoryUtil;
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.portlet.documentlibrary.model.DLFileEntry;
import com.liferay.portlet.documentlibrary.service.DLFileEntryLocalServiceUtil;
/**
 * behandelt die Favoriten in einem Modul
 * @author julien hofer
 *
 */
@ManagedBean
@ViewScoped
public class DozentFavoriteBackingBean implements Serializable {


	private static final long serialVersionUID = -4469569210586565019L;
	private List<Favorite> favorits;
	private List<Favorite> favoriteList;
	private RowStateMap stateMap = new RowStateMap();
	private long favoriteId;
	private String slideURL;
	private long userId;
	private int countFavBySlide;
	
	//Injection
	@ManagedProperty(value="#{dozentLogicBean}")
	private transient DozentLogicBean dozentLogicBean;
	
	@ManagedProperty(value="#{slideBackingBean}")
	private transient SlideBackingBean slideBackingBean;
	
	/**
	 * holt die <code>userId</code> des angemeldeten Users 
	 */
	public void fetchUserId() {
		userId = dozentLogicBean.getUserId();
	}
	
	/**
	 * holt alle Favoriten eines bestimmten Moduls ueber die <code>moduleId</code>
	 * @param moduleId
	 */
	public void fetchFavoriteByModule(long moduleId) {
	
		fetchUserId();
		
		favoriteList = new ArrayList<Favorite>();
		for(Favorite favorite : FavoriteLocalServiceUtil.fetchModuleFavorites(userId, moduleId)){
			System.out.println("Slide Ids ****");
			System.out.println(favorite.getSlideId());
			favoriteList.add(favorite);
		}
		
		
		
	}

	

	/**
	 * holt alle <code>descriptions</code> fuer den Mime-Typ 'image/png'
	 * @param event
	 */
	public void fetchDescription(ActionEvent event) {
		try {
			List<DLFileEntry> pngFiles = DLFileEntryLocalServiceUtil.getFileEntriesByMimeType("image/png");
			DLFileEntry fileEntry = pngFiles.get(0);
			String description = fileEntry.getDescription();
			System.out.println(description);
			
		} catch (SystemException e) {
			
			e.printStackTrace();
		}
		
	}
	
	/**
	 * holt die <code>slideId</code> fuer einen bestimmten Favoriten 
	 * ueber die <code>favoriteId</code>
	 * @param favoriteId
	 * @return slideId
	 */
	public long fetchSlideIdForFavorite(long favoriteId) {
		long slideId = -1;
		try {
			Favorite favorite = FavoriteLocalServiceUtil.getFavorite(favoriteId);
			slideId = favorite.getSlideId();
		} catch (PortalException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SystemException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return slideId;
	}
	
	/**
	 * holt die Anzahl der Favoriten fuer eine bestimmte Folie
	 * ueber die <code>slideId</code>
	 * @param slideId
	 * @return
	 */
	public int fetchFavoriteCountPerSlide(long slideId) {
		int countFav = FavoriteLocalServiceUtil.countFavBySlideId(slideId);
		return countFav;
	}
	
	
	/**
	 * gibt die URL der Folie anhand gegebener <code>slideId</code> 
	 * zurueck
	 * @param slideId
	 * @return slideURL
	 */
	public String fetchFavoriteSlideURL(long slideId) {
		String slideURL = null;
		try {
			Slide slide = SlideLocalServiceUtil.getSlide(slideId);
			long fileEntryId = slide.getFileEntryId();
			slideURL = slideBackingBean.getURL(fileEntryId);
			countFavBySlide = fetchFavoriteCountPerSlide(slideId);
			System.out.println("SlideId: " + slideId + " = " + countFavBySlide);
		} catch (PortalException e) {
			
			e.printStackTrace();
		} catch (SystemException e) {
			
			e.printStackTrace();
		}
		return slideURL;
	}
	
	/**
	 * dient zum Abfangen des Select Events
	 * @param event
	 */
	public void selectListener(SelectEvent event) {
		addEvent((Favorite)event.getObject());
	}
	
	/**
	 * erstellt die <code>slideURL</code> je nach gewaehltem Eintrag aus der 
	 * Favoriten Tabelle
	 * @param favorite
	 */
	public void addEvent(Favorite favorite) {
		favoriteId = favorite.getFavoriteId();
		System.out.println("FavoriteID: " + favoriteId);
		long slideId = fetchSlideIdForFavorite(favoriteId);
		System.out.println("SlideId: " + slideId);
		slideURL = fetchFavoriteSlideURL(slideId);
		
		
	}

	
	
	//GETTER UND SETTER
	public List<Favorite> getFavorits() {
		return favorits;
	}

	public void setFavorits(List<Favorite> favorits) {
		this.favorits = favorits;
	}

	public List<Favorite> getFavoriteList() {
		return favoriteList;
	}

	public void setFavoriteList(List<Favorite> favoriteList) {
		this.favoriteList = favoriteList;
	}

	public RowStateMap getStateMap() {
		return stateMap;
	}

	public void setStateMap(RowStateMap stateMap) {
		this.stateMap = stateMap;
	}


	public DozentLogicBean getDozentLogicBean() {
		return dozentLogicBean;
	}


	public void setDozentLogicBean(DozentLogicBean dozentLogicBean) {
		this.dozentLogicBean = dozentLogicBean;
	}


	public SlideBackingBean getSlideBackingBean() {
		return slideBackingBean;
	}


	public void setSlideBackingBean(SlideBackingBean slideBackingBean) {
		this.slideBackingBean = slideBackingBean;
	}


	public long getFavoriteId() {
		return favoriteId;
	}


	public void setFavoriteId(long favoriteId) {
		this.favoriteId = favoriteId;
	}


	public String getSlideURL() {
		return slideURL;
	}


	public void setSlideURL(String slideURL) {
		this.slideURL = slideURL;
	}


	public long getUserId() {
		return userId;
	}


	public void setUserId(long userId) {
		this.userId = userId;
	}

	public int getCountFavBySlide() {
		return countFavBySlide;
	}

	public void setCountFavBySlide(int countFavBySlide) {
		this.countFavBySlide = countFavBySlide;
	}
	
	
}