CountQuestionBean.java

package com.ese.ils.beta.beans;

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

import javax.faces.bean.ApplicationScoped;
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 org.icefaces.application.PortableRenderer;
import org.icefaces.application.PushRenderer;

import com.ese.ils.beta.model.Question;
import com.ese.ils.beta.service.PanicButtonLocalServiceUtil;
import com.ese.ils.beta.service.QuestionLocalServiceUtil;
import com.icesoft.faces.async.render.SessionRenderer;
import com.liferay.portal.kernel.exception.SystemException;
/**
 * dient zur Anzeige der Statistiken in der Dozentensicht
 * @author julien hofer
 *
 */

@ManagedBean
@ApplicationScoped
public class CountQuestionBean implements Serializable{


	private static final long serialVersionUID = -1271860679500305862L;
	//Injection
	@ManagedProperty(value="#{moduleModelBean}")
	private transient ModuleModelBean moduleModelBean;

	public CountQuestionBean(){
		PushRenderer.addCurrentSession("question");
		
	}
	
	
	List<String> questions = new ArrayList<String>();
	List<String> lastTenQuestions = new ArrayList<String>();
	long moduleId;


	String questionCount = "NO QUESTIONS YET";
	String panicCount = "NO PANIC";
	String frageText;


	/**
	 * zaehlt die Anzahl der Fragen und akutalisiert <code>dozentview.xhtml</code>
	 * @param event
	 */
	public void countQuestions(ActionEvent event) {
		System.out.println("counting Questions...");
		selectModule(event);
		List<Question> questions = QuestionLocalServiceUtil.fetchQuestionItems(moduleId); 
		int lastQuestionIndex = questions.size();
		Question lastQuestion = questions.get(lastQuestionIndex -1);
		frageText = lastQuestion.getQuestionText();
		
		System.out.println(frageText);
		SessionRenderer.render("question");
		fetchLastTenQuestions();
		
		
		try {
			questionCount = ""+QuestionLocalServiceUtil.getQuestionsCount();
		} catch (SystemException e) {
			System.out.println("Beim holen des Question Counts " +
					"ist ein Fehler aufgetreten!");
			e.printStackTrace();
		}
		System.out.println("Anzahl der Fragen: " + questionCount);
		
		
	}
	
	/** 
	 * Methode zaehlt die Anzahl der Panic Button und rendert die Statistik Sicht im Dozentenview
	 * durch Ajax Push.
	 * @param event
	 */
	public void countPanic(ActionEvent event) {
		try {
			panicCount = ""+PanicButtonLocalServiceUtil.getPanicButtonsCount();
			
					
		} catch (SystemException e) {
			e.printStackTrace();
		}
		System.out.println("Anzahl der PANIC: " + panicCount);
		SessionRenderer.render("question"); 
	}
	
	/**
	 * Methode holt aus der Datenbank die letzten Zehn Fragen fuer die jeweilige <code>moduleId</code>.
	 * @param moduleId
	 */
	public void fetchLastTenQuestions () {
		List<Question> questionList = QuestionLocalServiceUtil.fetchQuestionItems(moduleId); 
		
		lastTenQuestions.clear();
		if(questionList.size()>10){
			for (int i=questionList.size()-10;i < questionList.size();i++) {
				Question question;
				question = questionList.get(i);
				lastTenQuestions.add(question.getQuestionText());
			}
			System.out.println(lastTenQuestions.toString());
		}	
	}

	public void selectModule(ActionEvent event) {
		moduleId = Long.valueOf(moduleModelBean.getModuleId());
	}


	// GETTERS UND SETTER
	
	public void setQuestionCount(String questionCount) {
		this.questionCount = questionCount;
	}
	public String getQuestionCount() {
		return questionCount;
	}
	// Panic Button Count
	public String getPanicCount() {
		return panicCount;
	}

	public void setPanicCount(String panicCount) {
		this.panicCount = panicCount;
	}
	
	public String getFrageText() {
		
		return frageText;
	}

	public void setFrageText(String frageText) {
		
		this.frageText = frageText;
	}
	
	public List<String> getLastTenQuestions() {
		return lastTenQuestions;
	}

	public void setLastTenQuestions(List<String> lastTenQuestions) {
		this.lastTenQuestions = lastTenQuestions;
	}

	public ModuleModelBean getModuleModelBean() {
		return moduleModelBean;
	}

	public void setModuleModelBean(ModuleModelBean moduleModelBean) {
		this.moduleModelBean = moduleModelBean;
	}

	public long getModuleId() {
		return moduleId;
	}

	public void setModuleId(long moduleId) {
		this.moduleId = moduleId;
	}
	
}