Merge branch 'zcwy0927-yang-random'

servers/boe-server-all/src/main/java/com/xboe/module/course/api/CourseContentApi.java

@@ -4,13 +4,10 @@ import java.util.List;
 
 import javax.annotation.Resource;
 
+import com.xboe.common.utils.StringUtil;
+import com.xboe.core.log.AutoLog;
 import org.apache.commons.lang3.StringUtils;
-import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RestController;
 
 import com.xboe.core.JsonResponse;
 import com.xboe.core.api.ApiBaseController;
@@ -77,7 +74,22 @@ public class CourseContentApi extends ApiBaseController{
 		}
 		return success(obj);
 	}
-	
+
+	@GetMapping("/exam/paper-content")
+	@AutoLog(module = "试卷",action = "查看试卷试题",info = "查看当前试题内容")
+	public JsonResponse<Object> paperContent(String courseExamId){
+		if(StringUtil.isBlank(courseExamId)){
+			return badRequest("缺少必要参数");
+		}
+		try {
+			Object paperContentOfOnline = ccontentService.getPaperContentOfOnline(courseExamId);
+			return success(paperContentOfOnline);
+		} catch (Exception e) {
+			log.error("查询试卷内容json错误",e);
+			return error("查询失败",e.getMessage());
+		}
+	}
+
 	/**
 	 * 获取评估信息
 	 * @param ccid

servers/boe-server-all/src/main/java/com/xboe/module/course/service/ICourseContentService.java

@@ -85,4 +85,6 @@ public interface ICourseContentService{
 
 	void updateProcessVideo(String contentId, String courseId, Float processVideo);
 
+	Object getPaperContentOfOnline(String courseExamId);
+
 }

servers/boe-server-all/src/main/java/com/xboe/module/course/service/impl/CourseContentServiceImpl.java

@@ -1,23 +1,17 @@
 package com.xboe.module.course.service.impl;
 
-import java.sql.PreparedStatement;
+import com.fasterxml.jackson.core.JsonProcessingException;
-import java.sql.SQLException;
+import com.fasterxml.jackson.core.type.TypeReference;
-import java.util.List;
+import com.fasterxml.jackson.databind.DeserializationFeature;
-
+import com.fasterxml.jackson.databind.JsonNode;
-import javax.annotation.Resource;
+import com.fasterxml.jackson.databind.ObjectMapper;
-import javax.transaction.Transactional;
+import com.fasterxml.jackson.databind.node.ObjectNode;
-
-import org.apache.commons.lang3.StringUtils;
-import org.springframework.stereotype.Service;
-
 import com.xboe.common.OrderCondition;
+import com.xboe.core.cache.IXaskCache;
+import com.xboe.core.cache.XaskCacheProvider;
 import com.xboe.core.orm.FieldFilters;
 import com.xboe.core.orm.UpdateBuilder;
-import com.xboe.module.course.dao.CourseAssessDao;
+import com.xboe.module.course.dao.*;
-import com.xboe.module.course.dao.CourseContentDao;
-import com.xboe.module.course.dao.CourseExamDao;
-import com.xboe.module.course.dao.CourseHomeWorkDao;
-import com.xboe.module.course.dao.CourseSectionDao;
 import com.xboe.module.course.dto.CourseContentDto;
 import com.xboe.module.course.dto.SortItem;
 import com.xboe.module.course.entity.CourseAssess;
@@ -25,8 +19,21 @@ import com.xboe.module.course.entity.CourseContent;
 import com.xboe.module.course.entity.CourseExam;
 import com.xboe.module.course.entity.CourseHomeWork;
 import com.xboe.module.course.service.ICourseContentService;
+import com.xboe.module.exam.dao.ExamPaperDao;
+import com.xboe.module.exam.vo.TestQuestionVo;
 import com.xboe.standard.enums.BoedxContentType;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
+import javax.transaction.Transactional;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+@Slf4j
 @Service
 public class CourseContentServiceImpl implements ICourseContentService {
 
@@ -44,7 +51,13 @@ public class CourseContentServiceImpl implements ICourseContentService {
     
     @Resource
     private CourseHomeWorkDao homeworkDao;
-    
+
+    @Resource
+    private CourseExamDao courseExamDao;
+
+    @Resource
+    private ExamPaperDao examPaperDao;
+
 
 	@Override
 	@Transactional
@@ -78,6 +91,9 @@ public class CourseContentServiceImpl implements ICourseContentService {
 			assessDao.saveOrUpdate(assess);
 		}
 		if(exam!=null) {
+			if ((exam.getRandomMode() && !(exam.getQnum() > 0)) || (!exam.getRandomMode() && exam.getQnum() > 0)) {
+				throw new RuntimeException("随机选题处参数错误");
+			}
 			exam.setCourseId(cc.getCourseId());
 			exam.setContentId(cc.getId());
 			if(exam.getPercentScore()==null) {
@@ -188,4 +204,68 @@ public class CourseContentServiceImpl implements ICourseContentService {
 		
 		return ccDao.sumDurationByCourseId(courseId);
 	}
+
+	@Override
+	public Object getPaperContentOfOnline(String courseExamId) {
+		CourseExam courseExam = courseExamDao.findOne(FieldFilters.eq("id", courseExamId));
+		if (courseExam == null) {
+			throw new RuntimeException("课程考试不存在");
+		}
+
+		String paperId = courseExam.getPaperId();
+		Integer qnum = courseExam.getQnum();
+		Boolean randomMode = courseExam.getRandomMode();
+
+		String paperJson = "";
+		ObjectMapper objectMapper = new ObjectMapper();
+
+		try {
+			// 判断试卷类型
+			if (courseExam.getPaperType() == 1 && StringUtils.isNotBlank(courseExam.getPaperContent())) {
+				paperJson = courseExam.getPaperContent();
+				JsonNode rootNode = objectMapper.readTree(paperJson);
+				JsonNode itemsNode = rootNode.path("items");
+				List<JsonNode> itemsNodes = new ArrayList<>();
+				itemsNode.forEach(itemsNodes::add);
+
+				if (randomMode && qnum != null && qnum > 0 && randomMode && qnum != null && qnum > 0 && itemsNodes.size() > qnum) {
+					Collections.shuffle(itemsNodes);
+					itemsNodes = itemsNodes.subList(0, qnum);
+				}
+				return itemsNodes;
+			} else if (courseExam.getPaperType() == 2) {
+				IXaskCache cache = XaskCacheProvider.getCache();
+				String cacheKey = "course:exam:" + courseExamId + ":" + paperId;
+				String cacheData = cache.getCacheObject(cacheKey);
+
+				if (StringUtils.isBlank(cacheData)) {
+					paperJson = (String) examPaperDao.findField("paperContent", FieldFilters.eq("id", paperId));
+					cache.setCacheObject(cacheKey, paperJson, 5, TimeUnit.HOURS);
+				} else {
+					paperJson = cacheData;
+				}
+
+				objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+				List<TestQuestionVo> eqVoList = objectMapper.readValue(paperJson, new TypeReference<List<TestQuestionVo>>() {
+				});
+
+				if (randomMode && qnum != null && qnum > 0 && eqVoList.size() > qnum) {
+					Collections.shuffle(eqVoList);
+					eqVoList = eqVoList.subList(0, qnum);
+				}
+				return eqVoList;
+			}
+
+		} catch (JsonProcessingException e) {
+			log.error("JSON处理错误", e);
+			throw new RuntimeException(e);
+		}
+
+		if (StringUtils.isBlank(paperJson)) {
+			throw new RuntimeException("此考试无试卷内容，考试已经过期或试卷已被删除");
+		}
+
+		return null;
+	}
+
 }