学习记录

src/main/java/com/teaching/backend/controller/records/CourseLearningRecordController.java

@@ -32,7 +32,7 @@ public class CourseLearningRecordController {
      * @return
      */
     @ApiOperation("根据用户id查询学习记录")
-    @ValidateParams({"userId"})
+//    @ValidateParams({"userId"})
     @GetMapping("/page")
     public BaseResponse<Page> getAll(@RequestParam(value = "pagenum", defaultValue = "1") int pagenum,
                                      @RequestParam(value = "pagesize", defaultValue = "10") int pagesize,

src/main/java/com/teaching/backend/controller/records/KnowledgeLearningRecordController.java

@@ -24,8 +24,7 @@ public class KnowledgeLearningRecordController {
 //    @ValidateParams({"userId","type","coursesId"})
     @PostMapping("/saverecords")
     public BaseResponse<String> saveKnowledgeRecords(@RequestBody KnowledgeLearningRecord knowledgeLearningRecord){
-        knowledgeLearningRecordService.save(knowledgeLearningRecord);
-        return ResultUtils.success("添加成功");
+        return knowledgeLearningRecordService.saveCoursesRecords(knowledgeLearningRecord);
     }
 
 }

src/main/java/com/teaching/backend/controller/records/ResourceLearningRecordController.java

@@ -24,7 +24,6 @@ public class ResourceLearningRecordController {
 //    @ValidateParams({"userId","type","coursesId"})
     @PostMapping("/saverecords")
     public BaseResponse<String> saveResourceRecords(@RequestBody ResourceLearningRecord resourceLearningRecord) {
-        resourceLearningRecordService.save(resourceLearningRecord);
-        return ResultUtils.success("添加成功");
+        return resourceLearningRecordService.saveCoursesRecords(resourceLearningRecord);
     }
 }

src/main/java/com/teaching/backend/mapper/KnowGraph/KnowledgeLearningNumberMapper.java

@@ -0,0 +1,17 @@
+package com.teaching.backend.mapper.KnowGraph;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.KnowGraph.KnowledgeLearningNumber;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface KnowledgeLearningNumberMapper extends BaseMapper<KnowledgeLearningNumber> {
+
+}

src/main/java/com/teaching/backend/mapper/resource/ResourceLearningNumberMapper.java

@@ -0,0 +1,17 @@
+package com.teaching.backend.mapper.resource;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.resource.ResourceLearningNumber;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface ResourceLearningNumberMapper extends BaseMapper<ResourceLearningNumber> {
+
+}

src/main/java/com/teaching/backend/model/entity/KnowGraph/KnowledgeLearningNumber.java

@@ -0,0 +1,48 @@
+package com.teaching.backend.model.entity.KnowGraph;
+
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("knowledge_learning_number")
+@ApiModel(value="KnowledgeLearningNumber对象", description="")
+public class KnowledgeLearningNumber implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "知识点学习记录id")
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
+    private String id;
+
+    @ApiModelProperty(value = "课程id")
+    @TableField("course_id")
+    private String courseId;
+
+    @ApiModelProperty(value = "知识点id")
+    @TableField("knowledge_id")
+    private String knowledgeId;
+
+    @ApiModelProperty(value = "学习人数")
+    @TableField("number")
+    private Integer number;
+
+
+}

src/main/java/com/teaching/backend/model/entity/records/CourseLearningRecord.java

@@ -37,6 +37,11 @@ public class CourseLearningRecord implements Serializable {
     @TableField("course_id")
     private String courseId;
 
+    @ApiModelProperty(value = "课程名称")
+    @TableField("course_name")
+    private String courseName;
+
+
     @ApiModelProperty(value = "用户id")
     @TableField("user_id")
     private String userId;
@@ -50,7 +55,7 @@ public class CourseLearningRecord implements Serializable {
     private String img;
 
     @ApiModelProperty(value = "最近学习时间")
-    @TableField("time")
+    @TableField("times")
     private LocalDateTime times;
 
 

src/main/java/com/teaching/backend/model/entity/records/KnowledgeLearningRecord.java

@@ -30,13 +30,17 @@ public class KnowledgeLearningRecord implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @ApiModelProperty(value = "知识点学习记录id")
-    @TableId(value = "id", type = IdType.AUTO)
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
     private String id;
 
     @ApiModelProperty(value = "知识点id")
     @TableField("knowledge_id")
     private String knowledgeId;
 
+    @ApiModelProperty(value = "知识点id")
+    @TableField("knowledge_id")
+    private String knowledgeName;
+
     @ApiModelProperty(value = "课程id")
     @TableField("courses_id")
     private String coursesId;
@@ -47,15 +51,15 @@ public class KnowledgeLearningRecord implements Serializable {
 
     @ApiModelProperty(value = "观看人数")
     @TableField("number")
-    private Integer number;
+    private String number;
 
     @ApiModelProperty(value = "记录封面")
     @TableField("img")
     private String img;
 
     @ApiModelProperty(value = "最近访问时间")
-    @TableField("time")
-    private LocalDateTime time;
+    @TableField("times")
+    private LocalDateTime times;
 
 
 }

src/main/java/com/teaching/backend/model/entity/records/ResourceLearningRecord.java

@@ -30,7 +30,7 @@ public class ResourceLearningRecord implements Serializable {
     private static final long serialVersionUID = 1L;
 
     @ApiModelProperty(value = "资源学习记录id")
-    @TableId(value = "id", type = IdType.AUTO)
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
     private String id;
 
     @ApiModelProperty(value = "资源id")
@@ -51,14 +51,14 @@ public class ResourceLearningRecord implements Serializable {
 
     @ApiModelProperty(value = "观看人数")
     @TableField("number")
-    private Integer number;
+    private String number;
 
     @ApiModelProperty(value = "是否打开, 1:开打了; 2:未打开;")
     @TableField("open")
     private Integer open;
 
     @ApiModelProperty(value = "是否下载, 1:下载了; 2:未下载;")
-    @TableField(" download")
+    @TableField("download")
     private Integer download;
 
     @ApiModelProperty(value = "学习时长")
@@ -74,8 +74,8 @@ public class ResourceLearningRecord implements Serializable {
     private String img;
 
     @ApiModelProperty(value = "最近学习时间")
-    @TableField("time")
-    private LocalDateTime time;
+    @TableField("times")
+    private LocalDateTime times;
 
 
 }

src/main/java/com/teaching/backend/model/entity/resource/ResourceLearningNumber.java

@@ -0,0 +1,47 @@
+package com.teaching.backend.model.entity.resource;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import java.io.Serializable;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("resource_learning_number")
+@ApiModel(value="ResourceLearningNumber对象", description="")
+public class ResourceLearningNumber implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "资源学习记录id")
+    @TableId(value = "id", type = IdType.ASSIGN_ID)
+    private String id;
+
+    @ApiModelProperty(value = "课程id")
+    private String courseId;
+
+    @ApiModelProperty(value = "知识点id")
+    private String knowledgeId;
+
+    @ApiModelProperty(value = "资源id")
+    private String resourceId;
+
+    @ApiModelProperty(value = "学习人数")
+    private Integer number;
+
+
+}

src/main/java/com/teaching/backend/service/KnowGraph/IKnowledgeLearningNumberService.java

@@ -0,0 +1,17 @@
+package com.teaching.backend.service.KnowGraph;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.model.entity.KnowGraph.KnowledgeLearningNumber;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface IKnowledgeLearningNumberService extends IService<KnowledgeLearningNumber> {
+
+}

src/main/java/com/teaching/backend/service/impl/knowledge/KnowledgeLearningNumberServiceImpl.java

@@ -0,0 +1,21 @@
+package com.teaching.backend.service.impl.knowledge;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.mapper.KnowGraph.KnowledgeLearningNumberMapper;
+import com.teaching.backend.model.entity.KnowGraph.KnowledgeLearningNumber;
+import com.teaching.backend.service.KnowGraph.IKnowledgeLearningNumberService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Service
+public class KnowledgeLearningNumberServiceImpl extends ServiceImpl<KnowledgeLearningNumberMapper, KnowledgeLearningNumber> implements IKnowledgeLearningNumberService {
+
+}

src/main/java/com/teaching/backend/service/impl/records/CourseLearningRecordServiceImpl.java

@@ -80,7 +80,7 @@ public class CourseLearningRecordServiceImpl extends ServiceImpl<CourseLearningR
         SimpleDateFormat sdf = new SimpleDateFormat(strDateFormat);
         //分页查询
         Page<CourseLearningRecord> page = query()
-                .orderByDesc("time")
+                .orderByDesc("times")
                 .eq("user_id", userId).page(new Page<>(pagenum, pagesize));
         Page<CourseLearningRecordsVo> page1 = new Page<>();
         List<CourseLearningRecord> records = page.getRecords();
@@ -92,8 +92,6 @@ public class CourseLearningRecordServiceImpl extends ServiceImpl<CourseLearningR
             BeanUtil.copyProperties(courseLearningRecord,courseLearningRecordsVo);
             Date date = Date.from(courseLearningRecord.getTimes().atZone(ZoneId.systemDefault()).toInstant());
             courseLearningRecordsVo.setTime(sdf.format(date));
-            //填充课程名称
-            courseLearningRecordsVo.setCourseName(coursesService.getById(courseLearningRecord.getCourseId()).getName());
 //            //填充学习人数
             courseLearningRecordsVo.setNumber(courseLearningNumberService.getById(courseLearningRecord.getNumber()).getNumber());
             recordsVos.add(courseLearningRecordsVo);
@@ -105,6 +103,7 @@ public class CourseLearningRecordServiceImpl extends ServiceImpl<CourseLearningR
     @Override
     public BaseResponse<String> removeCoursesRecords(List<Long> ids) {
         removeByIds(ids);
+//        System.out.println(ids);
 //        List<CourseLearningRecord> list = query().in("id", ids).list();
 //        removeBatchByIds(list);
         return ResultUtils.success("删除成功！");

src/main/java/com/teaching/backend/service/impl/records/KnowledgeLearningRecordServiceImpl.java

@@ -3,11 +3,20 @@ package com.teaching.backend.service.impl.records;
 
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
 import com.teaching.backend.mapper.records.KnowledgeLearningRecordMapper;
+import com.teaching.backend.model.entity.KnowGraph.KnowledgeLearningNumber;
+import com.teaching.backend.model.entity.courses.CourseLearningNumber;
 import com.teaching.backend.model.entity.records.KnowledgeLearningRecord;
+import com.teaching.backend.service.impl.courses.CourseLearningNumberServiceImpl;
+import com.teaching.backend.service.impl.knowledge.KnowledgeLearningNumberServiceImpl;
 import com.teaching.backend.service.records.IKnowledgeLearningRecordService;
 import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
+
 /**
  * <p>
  *  服务实现类
@@ -18,5 +27,45 @@ import org.springframework.stereotype.Service;
  */
 @Service
 public class KnowledgeLearningRecordServiceImpl extends ServiceImpl<KnowledgeLearningRecordMapper, KnowledgeLearningRecord> implements IKnowledgeLearningRecordService {
+    @Resource
+    private KnowledgeLearningNumberServiceImpl knowledgeLearningNumberService;
 
+    @Override
+    public BaseResponse<String> saveCoursesRecords(KnowledgeLearningRecord knowledgeLearningRecord) {
+        //知识点id
+        String courseId = knowledgeLearningRecord.getCoursesId();
+        String knowledgeId  = knowledgeLearningRecord.getKnowledgeId();
+        String userId = knowledgeLearningRecord.getUserId();
+        //1.生成学习时间
+        knowledgeLearningRecord.setTimes(LocalDateTime.now());
+        //2.设置人数
+        //2.1查人数
+        Long count = knowledgeLearningNumberService.query()
+                .eq("course_id", courseId)
+                .eq("knowledge_id",knowledgeId).count();
+        //2.2判断自己是否学习过
+        Long count1 = query().eq("user_id", userId).count();
+        if (count > 0){
+            //自己没学过，人数加1
+            if (count1 == 0){
+                knowledgeLearningNumberService.update().setSql("number = number + 1").eq("course_id", courseId).eq("knowledge_id",knowledgeId).update();
+//                System.out.println("用户："+userId+"第一次学这门课");
+            }
+        }else {
+            //该课程第一次被学，人数设置为1
+            KnowledgeLearningNumber knowledgeLearningNumber = new KnowledgeLearningNumber();
+            knowledgeLearningNumber.setNumber(1);
+            knowledgeLearningNumber.setCourseId(courseId);
+            knowledgeLearningNumber.setKnowledgeId(knowledgeId);
+            knowledgeLearningNumberService.save(knowledgeLearningNumber);
+        }
+        //设置人数
+        String numberId = knowledgeLearningNumberService.query()
+                .eq("course_id", courseId)
+                .eq("knowledge_id",knowledgeId).one().getId();
+        knowledgeLearningRecord.setNumber(numberId);
+        //保存记录
+        save(knowledgeLearningRecord);
+        return ResultUtils.success("添加成功");
+    }
 }

src/main/java/com/teaching/backend/service/impl/records/ResourceLearningRecordServiceImpl.java

@@ -2,11 +2,18 @@ package com.teaching.backend.service.impl.records;
 
 
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
 import com.teaching.backend.mapper.records.ResourceLearningRecordMapper;
 import com.teaching.backend.model.entity.records.ResourceLearningRecord;
+import com.teaching.backend.model.entity.resource.ResourceLearningNumber;
+import com.teaching.backend.service.impl.resource.ResourceLearningNumberServiceImpl;
 import com.teaching.backend.service.records.IResourceLearningRecordService;
 import org.springframework.stereotype.Service;
 
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
+
 /**
  * <p>
  *  服务实现类
@@ -18,4 +25,52 @@ import org.springframework.stereotype.Service;
 @Service
 public class ResourceLearningRecordServiceImpl extends ServiceImpl<ResourceLearningRecordMapper, ResourceLearningRecord> implements IResourceLearningRecordService {
 
+    @Resource
+    private ResourceLearningNumberServiceImpl resourceLearningNumberService;
+
+    @Override
+    public BaseResponse<String> saveCoursesRecords(ResourceLearningRecord resourceLearningRecord) {
+        //课程id
+        String courseId  = resourceLearningRecord.getCoursesId();
+        String knowledgeId = resourceLearningRecord.getKnowledgeId();
+        String resourceId = resourceLearningRecord.getResourceId();
+        String userId = resourceLearningRecord.getUserId();
+        //1.生成学习时间
+        resourceLearningRecord.setTimes(LocalDateTime.now());
+        //2.设置人数
+        //2.1查人数
+        Long count = resourceLearningNumberService.query()
+                .eq("course_id", courseId)
+                .eq("knowledge_id",knowledgeId)
+                .eq("resource_id",resourceId).count();
+        //2.2判断自己是否学习过
+        Long count1 = query().eq("user_id", userId).count();
+        if (count > 0){
+            //自己没学过，人数加1
+            if (count1 == 0){
+                resourceLearningNumberService.update().setSql("number = number + 1")
+                        .eq("course_id",courseId)
+                        .eq("knowledge_id",knowledgeId)
+                        .eq("resource_id",resourceId).update();
+//                System.out.println("用户："+userId+"第一次学这门课");
+            }
+        }else {
+            //该课程第一次被学，人数设置为1
+            ResourceLearningNumber resourceLearningNumber = new ResourceLearningNumber();
+            resourceLearningNumber.setNumber(1);
+            resourceLearningNumber.setCourseId(courseId);
+            resourceLearningNumber.setKnowledgeId(knowledgeId);
+            resourceLearningNumber.setResourceId(resourceId);
+            resourceLearningNumberService.save(resourceLearningNumber);
+        }
+        //设置人数
+        String numberId = resourceLearningNumberService.query()
+                .eq("course_id", courseId)
+                .eq("knowledge_id",knowledgeId)
+                .eq("resource_id",resourceId).one().getId();
+        resourceLearningRecord.setNumber(numberId);
+        //保存记录
+        save(resourceLearningRecord);
+        return ResultUtils.success("添加成功");
+    }
 }

src/main/java/com/teaching/backend/service/impl/resource/ResourceLearningNumberServiceImpl.java

@@ -0,0 +1,22 @@
+package com.teaching.backend.service.impl.resource;
+
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.mapper.resource.ResourceLearningNumberMapper;
+import com.teaching.backend.model.entity.resource.ResourceLearningNumber;
+import com.teaching.backend.service.resource.IResourceLearningNumberService;
+import org.springframework.stereotype.Service;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+@Service
+public class ResourceLearningNumberServiceImpl extends ServiceImpl<ResourceLearningNumberMapper, ResourceLearningNumber> implements IResourceLearningNumberService {
+
+}

src/main/java/com/teaching/backend/service/records/IKnowledgeLearningRecordService.java

@@ -2,6 +2,7 @@ package com.teaching.backend.service.records;
 
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.model.entity.records.KnowledgeLearningRecord;
 
 /**
@@ -14,4 +15,5 @@ import com.teaching.backend.model.entity.records.KnowledgeLearningRecord;
  */
 public interface IKnowledgeLearningRecordService extends IService<KnowledgeLearningRecord> {
 
+    BaseResponse<String> saveCoursesRecords(KnowledgeLearningRecord knowledgeLearningRecord);
 }

src/main/java/com/teaching/backend/service/records/IResourceLearningRecordService.java

@@ -2,6 +2,7 @@ package com.teaching.backend.service.records;
 
 
 import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
 import com.teaching.backend.model.entity.records.ResourceLearningRecord;
 
 /**
@@ -14,4 +15,5 @@ import com.teaching.backend.model.entity.records.ResourceLearningRecord;
  */
 public interface IResourceLearningRecordService extends IService<ResourceLearningRecord> {
 
+    BaseResponse<String> saveCoursesRecords(ResourceLearningRecord resourceLearningRecord);
 }

src/main/java/com/teaching/backend/service/resource/IResourceLearningNumberService.java

@@ -0,0 +1,17 @@
+package com.teaching.backend.service.resource;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.model.entity.resource.ResourceLearningNumber;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-07-29
+ */
+public interface IResourceLearningNumberService extends IService<ResourceLearningNumber> {
+
+}