课时管理

src/main/java/xyz/playedu/api/controller/backend/CourseHourController.java

@@ -0,0 +1,73 @@
+package xyz.playedu.api.controller.backend;
+
+import org.apache.ibatis.annotations.Delete;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.*;
+import xyz.playedu.api.PlayEduBackendThreadLocal;
+import xyz.playedu.api.domain.CourseHour;
+import xyz.playedu.api.event.CourseHourCreatedEvent;
+import xyz.playedu.api.event.CourseHourDestroyEvent;
+import xyz.playedu.api.exception.NotFoundException;
+import xyz.playedu.api.request.backend.CourseHourRequest;
+import xyz.playedu.api.service.CourseHourService;
+import xyz.playedu.api.types.JsonResponse;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 17:50
+ */
+@RestController
+@RequestMapping("/backend/v1/course/{courseId}/hour")
+public class CourseHourController {
+
+    @Autowired
+    private CourseHourService hourService;
+
+    @Autowired
+    private ApplicationContext ctx;
+
+    @GetMapping("/index")
+    public JsonResponse index(@PathVariable(name = "courseId") Integer courseId) {
+        List<CourseHour> hours = hourService.getHoursByCourseId(courseId);
+        return JsonResponse.data(hours);
+    }
+
+    @GetMapping("/create")
+    public JsonResponse create(@PathVariable(name = "courseId") Integer courseId) {
+        return JsonResponse.data(null);
+    }
+
+    @PostMapping("/create")
+    public JsonResponse store(@PathVariable(name = "courseId") Integer courseId, @RequestBody @Validated CourseHourRequest req) {
+        CourseHour courseHour = hourService.create(courseId, req.getChapterId(), req.getTitle(), req.getType(), req.getDuration(), req.getPublishedAt());
+        ctx.publishEvent(new CourseHourCreatedEvent(this, PlayEduBackendThreadLocal.getAdminUserID(), courseHour.getCourseId(), courseHour.getChapterId(), courseHour.getId(), new Date()));
+        return JsonResponse.success();
+    }
+
+    @GetMapping("/{id}")
+    public JsonResponse edit(@PathVariable(name = "courseId") Integer courseId, @PathVariable(name = "id") Integer id) throws NotFoundException {
+        CourseHour courseHour = hourService.findOrFail(id, courseId);
+        return JsonResponse.data(courseHour);
+    }
+
+    @PutMapping("/{id}")
+    public JsonResponse update(@PathVariable(name = "courseId") Integer courseId, @PathVariable(name = "id") Integer id, @RequestBody @Validated CourseHourRequest req) throws NotFoundException {
+        CourseHour courseHour = hourService.findOrFail(id, courseId);
+        hourService.update(courseHour, req.getChapterId(), req.getTitle(), req.getDuration(), req.getPublishedAt());
+        return JsonResponse.success();
+    }
+
+    @DeleteMapping("/{id}")
+    public JsonResponse destroy(@PathVariable(name = "courseId") Integer courseId, @PathVariable(name = "id") Integer id) throws NotFoundException {
+        CourseHour courseHour = hourService.findOrFail(id, courseId);
+        hourService.removeById(courseHour.getId());
+        ctx.publishEvent(new CourseHourDestroyEvent(this, PlayEduBackendThreadLocal.getAdminUserID(), courseHour.getCourseId(), courseHour.getChapterId(), courseHour.getId(), new Date()));
+        return JsonResponse.success();
+    }
+
+}

src/main/java/xyz/playedu/api/domain/CourseChapter.java

@@ -4,19 +4,21 @@ import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
+
 import java.io.Serializable;
 import java.util.Date;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
 import lombok.Data;
 
 /**
- * 
  * @TableName course_chapters
  */
-@TableName(value ="course_chapters")
+@TableName(value = "course_chapters")
 @Data
 public class CourseChapter implements Serializable {
     /**
-     * 
+     *
      */
     @TableId(type = IdType.AUTO)
     private Integer id;
@@ -24,6 +26,7 @@ public class CourseChapter implements Serializable {
     /**
      * 课程ID
      */
+    @JsonProperty("course_id")
     private Integer courseId;
 
     /**
@@ -36,14 +39,10 @@ public class CourseChapter implements Serializable {
      */
     private Integer sort;
 
-    /**
-     * 
-     */
+    @JsonProperty("created_at")
     private Date createdAt;
 
-    /**
-     * 
-     */
+    @JsonProperty("updated_at")
     private Date updatedAt;
 
     @TableField(exist = false)
@@ -62,11 +61,11 @@ public class CourseChapter implements Serializable {
         }
         CourseChapter other = (CourseChapter) that;
         return (this.getId() == null ? other.getId() == null : this.getId().equals(other.getId()))
-            && (this.getCourseId() == null ? other.getCourseId() == null : this.getCourseId().equals(other.getCourseId()))
-            && (this.getName() == null ? other.getName() == null : this.getName().equals(other.getName()))
-            && (this.getSort() == null ? other.getSort() == null : this.getSort().equals(other.getSort()))
-            && (this.getCreatedAt() == null ? other.getCreatedAt() == null : this.getCreatedAt().equals(other.getCreatedAt()))
-            && (this.getUpdatedAt() == null ? other.getUpdatedAt() == null : this.getUpdatedAt().equals(other.getUpdatedAt()));
+                && (this.getCourseId() == null ? other.getCourseId() == null : this.getCourseId().equals(other.getCourseId()))
+                && (this.getName() == null ? other.getName() == null : this.getName().equals(other.getName()))
+                && (this.getSort() == null ? other.getSort() == null : this.getSort().equals(other.getSort()))
+                && (this.getCreatedAt() == null ? other.getCreatedAt() == null : this.getCreatedAt().equals(other.getCreatedAt()))
+                && (this.getUpdatedAt() == null ? other.getUpdatedAt() == null : this.getUpdatedAt().equals(other.getUpdatedAt()));
     }
 
     @Override

src/main/java/xyz/playedu/api/domain/CourseDepartment.java

@@ -1,8 +1,6 @@
 package xyz.playedu.api.domain;
 
-import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
 
 import java.io.Serializable;

src/main/java/xyz/playedu/api/domain/CourseHour.java

@@ -0,0 +1,126 @@
+package xyz.playedu.api.domain;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+
+import java.io.Serializable;
+import java.util.Date;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import lombok.Data;
+
+/**
+ * @TableName course_hour
+ */
+@TableName(value = "course_hour")
+@Data
+public class CourseHour implements Serializable {
+    /**
+     *
+     */
+    @TableId(type = IdType.AUTO)
+    private Integer id;
+
+    /**
+     * 课程ID
+     */
+    @JsonProperty("course_id")
+    private Integer courseId;
+
+    /**
+     * 章节ID
+     */
+    @JsonProperty("chapter_id")
+    private Integer chapterId;
+
+    /**
+     * 课时名
+     */
+    private String title;
+
+    /**
+     * 课时类型
+     */
+    private String type;
+
+    /**
+     * 时长[s]
+     */
+    private Integer duration;
+
+    /**
+     * 发布时间
+     */
+    @JsonProperty("published_at")
+    private Date publishedAt;
+
+    @JsonProperty("created_at")
+    private Date createdAt;
+
+    @JsonProperty("updated_at")
+    private Date updatedAt;
+
+    @TableField(exist = false)
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public boolean equals(Object that) {
+        if (this == that) {
+            return true;
+        }
+        if (that == null) {
+            return false;
+        }
+        if (getClass() != that.getClass()) {
+            return false;
+        }
+        CourseHour other = (CourseHour) that;
+        return (this.getId() == null ? other.getId() == null : this.getId().equals(other.getId()))
+                && (this.getCourseId() == null ? other.getCourseId() == null : this.getCourseId().equals(other.getCourseId()))
+                && (this.getChapterId() == null ? other.getChapterId() == null : this.getChapterId().equals(other.getChapterId()))
+                && (this.getTitle() == null ? other.getTitle() == null : this.getTitle().equals(other.getTitle()))
+                && (this.getType() == null ? other.getType() == null : this.getType().equals(other.getType()))
+                && (this.getDuration() == null ? other.getDuration() == null : this.getDuration().equals(other.getDuration()))
+                && (this.getPublishedAt() == null ? other.getPublishedAt() == null : this.getPublishedAt().equals(other.getPublishedAt()))
+                && (this.getCreatedAt() == null ? other.getCreatedAt() == null : this.getCreatedAt().equals(other.getCreatedAt()))
+                && (this.getUpdatedAt() == null ? other.getUpdatedAt() == null : this.getUpdatedAt().equals(other.getUpdatedAt()));
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((getId() == null) ? 0 : getId().hashCode());
+        result = prime * result + ((getCourseId() == null) ? 0 : getCourseId().hashCode());
+        result = prime * result + ((getChapterId() == null) ? 0 : getChapterId().hashCode());
+        result = prime * result + ((getTitle() == null) ? 0 : getTitle().hashCode());
+        result = prime * result + ((getType() == null) ? 0 : getType().hashCode());
+        result = prime * result + ((getDuration() == null) ? 0 : getDuration().hashCode());
+        result = prime * result + ((getPublishedAt() == null) ? 0 : getPublishedAt().hashCode());
+        result = prime * result + ((getCreatedAt() == null) ? 0 : getCreatedAt().hashCode());
+        result = prime * result + ((getUpdatedAt() == null) ? 0 : getUpdatedAt().hashCode());
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        sb.append(getClass().getSimpleName());
+        sb.append(" [");
+        sb.append("Hash = ").append(hashCode());
+        sb.append(", id=").append(id);
+        sb.append(", courseId=").append(courseId);
+        sb.append(", chapterId=").append(chapterId);
+        sb.append(", title=").append(title);
+        sb.append(", type=").append(type);
+        sb.append(", duration=").append(duration);
+        sb.append(", publishedAt=").append(publishedAt);
+        sb.append(", createdAt=").append(createdAt);
+        sb.append(", updatedAt=").append(updatedAt);
+        sb.append(", serialVersionUID=").append(serialVersionUID);
+        sb.append("]");
+        return sb.toString();
+    }
+}

src/main/java/xyz/playedu/api/event/CourseHourCreatedEvent.java

@@ -0,0 +1,30 @@
+package xyz.playedu.api.event;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.context.ApplicationEvent;
+
+import java.util.Date;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 18:20
+ */
+@Setter
+@Getter
+public class CourseHourCreatedEvent extends ApplicationEvent {
+    private Integer adminId;
+    private Integer hourId;
+    private Integer courseId;
+    private Integer chapterId;
+    private Date date;
+
+    public CourseHourCreatedEvent(Object source, Integer adminId, Integer courseId, Integer chapterId, Integer hourId, Date date) {
+        super(source);
+        this.adminId = adminId;
+        this.courseId = courseId;
+        this.chapterId = chapterId;
+        this.hourId = hourId;
+        this.date = date;
+    }
+}

src/main/java/xyz/playedu/api/event/CourseHourDestroyEvent.java

@@ -0,0 +1,30 @@
+package xyz.playedu.api.event;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.context.ApplicationEvent;
+
+import java.util.Date;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 17:52
+ */
+@Getter
+@Setter
+public class CourseHourDestroyEvent extends ApplicationEvent {
+    private Integer adminId;
+    private Integer hourId;
+    private Integer courseId;
+    private Integer chapterId;
+    private Date date;
+
+    public CourseHourDestroyEvent(Object source, Integer adminId, Integer courseId, Integer chapterId, Integer hourId, Date date) {
+        super(source);
+        this.adminId = adminId;
+        this.courseId = courseId;
+        this.chapterId = chapterId;
+        this.hourId = hourId;
+        this.date = date;
+    }
+}

src/main/java/xyz/playedu/api/listener/CourseHourCreatedListener.java

@@ -0,0 +1,29 @@
+package xyz.playedu.api.listener;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+import xyz.playedu.api.event.CourseHourCreatedEvent;
+import xyz.playedu.api.service.CourseHourService;
+import xyz.playedu.api.service.CourseService;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 18:22
+ */
+@Component
+public class CourseHourCreatedListener {
+
+    @Autowired
+    private CourseHourService hourService;
+
+    @Autowired
+    private CourseService courseService;
+
+    @EventListener
+    public void courseClassHourUpdate(CourseHourCreatedEvent event) {
+        Integer classHour = hourService.getCourseClassHourByCourseId(event.getCourseId());
+        courseService.updateClassHour(event.getCourseId(), classHour);
+    }
+
+}

src/main/java/xyz/playedu/api/listener/CourseHourDestroyListener.java

@@ -0,0 +1,29 @@
+package xyz.playedu.api.listener;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+import xyz.playedu.api.event.CourseHourDestroyEvent;
+import xyz.playedu.api.service.CourseHourService;
+import xyz.playedu.api.service.CourseService;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 18:12
+ */
+@Component
+public class CourseHourDestroyListener {
+
+    @Autowired
+    private CourseHourService hourService;
+
+    @Autowired
+    private CourseService courseService;
+
+    @EventListener
+    public void courseClassHourUpdate(CourseHourDestroyEvent event) {
+        Integer classHour = hourService.getCourseClassHourByCourseId(event.getCourseId());
+        courseService.updateClassHour(event.getCourseId(), classHour);
+    }
+
+}

src/main/java/xyz/playedu/api/mapper/CourseHourMapper.java

@@ -0,0 +1,20 @@
+package xyz.playedu.api.mapper;
+
+import org.apache.ibatis.annotations.Mapper;
+import xyz.playedu.api.domain.CourseHour;
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+/**
+* @author tengteng
+* @description 针对表【course_hour】的数据库操作Mapper
+* @createDate 2023-02-26 18:10:09
+* @Entity xyz.playedu.api.domain.CourseHour
+*/
+@Mapper
+public interface CourseHourMapper extends BaseMapper<CourseHour> {
+
+}
+
+
+
+

src/main/java/xyz/playedu/api/request/backend/CourseHourRequest.java

@@ -0,0 +1,36 @@
+package xyz.playedu.api.request.backend;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.NotNull;
+import lombok.Data;
+
+import java.util.Date;
+
+/**
+ * @Author 杭州白书科技有限公司
+ * @create 2023/2/26 18:00
+ */
+@Data
+public class CourseHourRequest {
+
+    @NotNull(message = "chapter_id参数不存在")
+    @JsonProperty("chapter_id")
+    private Integer chapterId;
+
+    @NotNull(message = "title参数不存在")
+    @NotBlank(message = "请输入课时标题")
+    private String title;
+
+    @NotNull(message = "type参数不存在")
+    @NotBlank(message = "请选择课时类型")
+    private String type;
+
+    @NotNull(message = "duration参数不存在")
+    private Integer duration;
+
+    @NotNull(message = "published_at参数不存在")
+    @JsonProperty("published_at")
+    private Date publishedAt;
+
+}

src/main/java/xyz/playedu/api/request/backend/LoginRequest.java

@@ -1,5 +1,6 @@
 package xyz.playedu.api.request.backend;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
 import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import xyz.playedu.api.request.backend.types.ImageCaptchaRequestInterface;
@@ -20,8 +21,10 @@ public class LoginRequest implements Serializable, ImageCaptchaRequestInterface
     public String password;
 
     @NotNull(message = "请输入图形验证码")
+    @JsonProperty("captcha_value")
     public String captchaValue;
 
     @NotNull(message = "captchaKey参数为空")
+    @JsonProperty("captcha_key")
     public String captchaKey;
 }

src/main/java/xyz/playedu/api/service/CourseHourService.java

@@ -0,0 +1,29 @@
+package xyz.playedu.api.service;
+
+import xyz.playedu.api.domain.CourseHour;
+import com.baomidou.mybatisplus.extension.service.IService;
+import xyz.playedu.api.exception.NotFoundException;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tengteng
+ * @description 针对表【course_hour】的数据库操作Service
+ * @createDate 2023-02-26 17:48:12
+ */
+public interface CourseHourService extends IService<CourseHour> {
+
+    List<CourseHour> getHoursByCourseId(Integer courseId);
+
+    CourseHour create(Integer courseId, Integer chapterId, String title, String type, Integer duration, Date publishedAt);
+
+    void update(CourseHour courseHour, Integer chapterId, String title, Integer duration, Date publishedAt);
+
+    CourseHour findOrFail(Integer id) throws NotFoundException;
+
+    CourseHour findOrFail(Integer id, Integer courseId) throws NotFoundException;
+
+    Integer getCourseClassHourByCourseId(Integer courseId);
+
+}

src/main/java/xyz/playedu/api/service/CourseService.java

@@ -34,4 +34,6 @@ public interface CourseService extends IService<Course> {
     List<Integer> getDepIdsByCourseId(Integer courseId);
 
     List<Integer> getCategoryIdsByCourseId(Integer courseId);
+
+    void updateClassHour(Integer courseId, Integer classHour);
 }

src/main/java/xyz/playedu/api/service/impl/CourseHourServiceImpl.java

@@ -0,0 +1,83 @@
+package xyz.playedu.api.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import xyz.playedu.api.domain.CourseHour;
+import xyz.playedu.api.exception.NotFoundException;
+import xyz.playedu.api.service.CourseHourService;
+import xyz.playedu.api.mapper.CourseHourMapper;
+import org.springframework.stereotype.Service;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * @author tengteng
+ * @description 针对表【course_hour】的数据库操作Service实现
+ * @createDate 2023-02-26 17:48:12
+ */
+@Service
+public class CourseHourServiceImpl extends ServiceImpl<CourseHourMapper, CourseHour> implements CourseHourService {
+
+    @Override
+    public List<CourseHour> getHoursByCourseId(Integer courseId) {
+        return list(query().getWrapper().eq("course_id", courseId).orderByAsc("published_at"));
+    }
+
+    @Override
+    public CourseHour create(Integer courseId, Integer chapterId, String title, String type, Integer duration, Date publishedAt) {
+        CourseHour courseHour = new CourseHour();
+        courseHour.setCourseId(courseId);
+        courseHour.setChapterId(chapterId);
+        courseHour.setTitle(title);
+        courseHour.setType(type);
+        courseHour.setDuration(duration);
+        courseHour.setPublishedAt(publishedAt);
+        courseHour.setCreatedAt(new Date());
+        courseHour.setUpdatedAt(new Date());
+
+        save(courseHour);
+
+        return courseHour;
+    }
+
+    @Override
+    public void update(CourseHour courseHour, Integer chapterId, String title, Integer duration, Date publishedAt) {
+        CourseHour newCourseHour = new CourseHour();
+        newCourseHour.setId(courseHour.getId());
+        newCourseHour.setChapterId(chapterId);
+        newCourseHour.setTitle(title);
+        newCourseHour.setDuration(duration);
+        newCourseHour.setPublishedAt(publishedAt);
+        newCourseHour.setCreatedAt(new Date());
+        newCourseHour.setUpdatedAt(new Date());
+
+        updateById(newCourseHour);
+    }
+
+    @Override
+    public CourseHour findOrFail(Integer id) throws NotFoundException {
+        CourseHour courseHour = getOne(query().getWrapper().eq("id", id));
+        if (courseHour == null) {
+            throw new NotFoundException("课时不存在");
+        }
+        return courseHour;
+    }
+
+    @Override
+    public CourseHour findOrFail(Integer id, Integer courseId) throws NotFoundException {
+        CourseHour courseHour = getOne(query().getWrapper().eq("id", id).eq("course_id", courseId));
+        if (courseHour == null) {
+            throw new NotFoundException("课时不存在");
+        }
+        return courseHour;
+    }
+
+    @Override
+    public Integer getCourseClassHourByCourseId(Integer courseId) {
+        return Math.toIntExact(count(query().getWrapper().eq("course_id", courseId)));
+    }
+}
+
+
+
+

src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java

@@ -175,6 +175,14 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
     public List<Integer> getCategoryIdsByCourseId(Integer courseId) {
         return categoryCourseService.getCategoryIdsByCourseId(courseId);
     }
+
+    @Override
+    public void updateClassHour(Integer courseId, Integer classHour) {
+        Course course = new Course();
+        course.setId(courseId);
+        course.setClassHour(classHour);
+        updateById(course);
+    }
 }
 
 

src/main/resources/mapper/CourseHourMapper.xml

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper
+        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
+        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="xyz.playedu.api.mapper.CourseHourMapper">
+
+    <resultMap id="BaseResultMap" type="xyz.playedu.api.domain.CourseHour">
+            <id property="id" column="id" jdbcType="INTEGER"/>
+            <result property="courseId" column="course_id" jdbcType="INTEGER"/>
+            <result property="chapterId" column="chapter_id" jdbcType="INTEGER"/>
+            <result property="title" column="title" jdbcType="VARCHAR"/>
+            <result property="type" column="type" jdbcType="VARCHAR"/>
+            <result property="duration" column="duration" jdbcType="INTEGER"/>
+            <result property="publishedAt" column="published_at" jdbcType="TIMESTAMP"/>
+            <result property="createdAt" column="created_at" jdbcType="TIMESTAMP"/>
+            <result property="updatedAt" column="updated_at" jdbcType="TIMESTAMP"/>
+    </resultMap>
+
+    <sql id="Base_Column_List">
+        id,course_id,chapter_id,
+        title,type,duration,
+        published_at,created_at,updated_at
+    </sql>
+</mapper>