/*
* This file is part of ARSnova Backend.
* Copyright (C) 2012-2017 The ARSnova Team
*
* ARSnova Backend is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* ARSnova Backend is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package de.thm.arsnova.services;
import de.thm.arsnova.entities.Answer;
import de.thm.arsnova.entities.InterposedQuestion;
import de.thm.arsnova.entities.InterposedReadingCount;
import de.thm.arsnova.entities.Question;
import de.thm.arsnova.entities.User;
import java.util.List;
import java.util.Map;
/**
* The functionality the question service should provide.
*/
public interface IQuestionService {
Question saveQuestion(Question question);
boolean saveQuestion(InterposedQuestion question);
Question getQuestion(String id);
List<Question> getSkillQuestions(String sessionkey);
int getSkillQuestionCount(String sessionkey);
void deleteQuestion(String questionId);
void deleteAllQuestions(String sessionKeyword);
void startNewPiRound(String questionId, User user);
void startNewPiRoundDelayed(String questionId, int time);
void cancelPiRoundChange(String questionId);
void cancelDelayedPiRoundChange(String questionId);
void resetPiRoundState(String questionId);
List<String> getUnAnsweredQuestionIds(String sessionKey);
Answer getMyAnswer(String questionId);
void readFreetextAnswer(String answerId, User user);
List<Answer> getAnswers(String questionId, int piRound, int offset, int limit);
List<Answer> getAnswers(String questionId, int offset, int limit);
List<Answer> getAllAnswers(String questionId, int offset, int limit);
int getAnswerCount(String questionId);
int getAnswerCount(String questionId, int piRound);
List<Answer> getFreetextAnswers(String questionId, int offset, int limit);
List<Answer> getMyAnswers(String sessionKey);
int getTotalAnswerCount(String sessionKey);
int getTotalAnswerCountByQuestion(String questionId);
int getInterposedCount(String sessionKey);
InterposedReadingCount getInterposedReadingCount(String sessionKey, String username);
List<InterposedQuestion> getInterposedQuestions(String sessionKey, int offset, int limit);
InterposedQuestion readInterposedQuestion(String questionId);
InterposedQuestion readInterposedQuestionInternal(String questionId, User user);
Question update(Question question);
Question update(Question question, User user);
void deleteAnswers(String questionId);
Answer saveAnswer(String questionId, de.thm.arsnova.entities.transport.Answer answer);
Answer updateAnswer(Answer answer);
void deleteAnswer(String questionId, String answerId);
void deleteInterposedQuestion(String questionId);
List<Question> getLectureQuestions(String sessionkey);
List<Question> getFlashcards(String sessionkey);
List<Question> getPreparationQuestions(String sessionkey);
int getLectureQuestionCount(String sessionkey);
int getFlashcardCount(String sessionkey);
int getPreparationQuestionCount(String sessionkey);
Map<String, Object> getAnswerAndAbstentionCountInternal(String questionid);
int countLectureQuestionAnswers(String sessionkey);
int countLectureQuestionAnswersInternal(String sessionkey);
int countPreparationQuestionAnswers(String sessionkey);
int countPreparationQuestionAnswersInternal(String sessionkey);
int countFlashcardsForUserInternal(String sessionkey);
void deleteLectureQuestions(String sessionkey);
void deleteFlashcards(String sessionkey);
void deletePreparationQuestions(String sessionkey);
List<String> getUnAnsweredLectureQuestionIds(String sessionkey);
List<String> getUnAnsweredLectureQuestionIds(String sessionKey, User user);
List<String> getUnAnsweredPreparationQuestionIds(String sessionkey);
List<String> getUnAnsweredPreparationQuestionIds(String sessionKey, User user);
void deleteAllInterposedQuestions(String sessionKeyword);
void publishAll(String sessionkey, boolean publish);
void publishQuestions(String sessionkey, boolean publish, List<Question> questions);
void deleteAllQuestionsAnswers(String sessionkey);
void deleteAllPreparationAnswers(String sessionkey);
void deleteAllLectureAnswers(String sessionkey);
int getAbstentionAnswerCount(String questionId);
String getImage(String questionId, String answerId);
void setVotingAdmission(String questionId, boolean disableVoting);
void setVotingAdmissions(String sessionkey, boolean disableVoting, List<Question> questions);
void setVotingAdmissionForAllQuestions(String sessionkey, boolean disableVoting);
String getQuestionImage(String questionId);
String getQuestionFcImage(String questionId);
List<Question> replaceImageData(List<Question> questions);
}