75a44f2edd
feat: ⚠️ 批量导入课程接口支持冲突预检测与冲突提示 - 批量导入课程接口支持预先检测冲突 - 返回并展示具体发生冲突的课程信息 📚💥 - 补全此前规划的冲突提示功能（把大饼补上了 🍞） refactor: 🧱 使用工作单元模式管理 dao 层事务 - 引入工作单元模式（Unit of Work）统一管理 dao 层 - 新建全局事务，使跨 repo 的 gorm 事务管理更加方便 🔁 fix: 🐛 修复将任务块添加进日程接口的多个问题 - 修复核心逻辑 bug（费了老大劲 😵💫） - 补充并覆盖该接口的多种异常与错误场景测试 🧪
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
package api
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import (
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"context"
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"errors"
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"net/http"
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"time"
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"github.com/LoveLosita/smartflow/backend/model"
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"github.com/LoveLosita/smartflow/backend/respond"
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"github.com/LoveLosita/smartflow/backend/service"
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"github.com/gin-gonic/gin"
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)
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type CourseHandler struct {
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// 伸出手：准备接住 Service
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service *service.CourseService
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}
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// NewCourseHandler 创建 CourseHandler 实例
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func NewCourseHandler(service *service.CourseService) *CourseHandler {
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return &CourseHandler{
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service: service,
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}
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}
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func (sa *CourseHandler) CheckUserCourse(c *gin.Context) {
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//1.从请求中获取课程信息
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var req model.UserCheckCourseRequest
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err := c.ShouldBindJSON(&req)
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if err != nil {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return
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}
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//2.调用 service 层的 CheckSingleCourse 方法进行校验
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result := service.CheckSingleCourse(req)
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//3.根据校验结果返回响应
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if result {
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c.JSON(http.StatusOK, respond.Ok)
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} else {
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c.JSON(http.StatusBadRequest, respond.WrongCourseInfo)
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}
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}
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func (sa *CourseHandler) AddUserCourses(c *gin.Context) {
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//1.从请求中获取课程信息
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var req model.UserImportCoursesRequest
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err := c.ShouldBindJSON(&req)
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if err != nil {
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c.JSON(http.StatusBadRequest, respond.WrongParamType)
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return
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}
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//2.从上下文获取用户ID
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userIDInterface := c.GetInt("user_id")
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//3.调用 service 层的 AddUserCoursesIntoSchedule 方法添加课程
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// 创建一个带 1 秒超时的上下文
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ctx, cancel := context.WithTimeout(c.Request.Context(), 1*time.Second)
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defer cancel() // 记得释放资源
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conflicts, err := sa.service.AddUserCourses(ctx, req, userIDInterface)
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if err != nil {
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switch {
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case errors.Is(err, respond.WrongParamType), errors.Is(err, respond.WrongCourseInfo),
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errors.Is(err, respond.InsertCourseTwice):
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c.JSON(http.StatusBadRequest, err)
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case errors.Is(err, respond.ScheduleConflict):
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c.JSON(http.StatusConflict, respond.RespWithData(respond.ScheduleConflict, conflicts))
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default:
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c.JSON(http.StatusInternalServerError, respond.InternalError(err))
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}
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return
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}
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//4.返回成功响应
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c.JSON(http.StatusOK, respond.Ok)
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}
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