Version:0.0.5.dev.260204

feat: 🏗️ 完成任务分类创建与列表查询接口并通过测试

- 历经复杂嵌套逻辑处理 🌀
- 实现创建任务分类接口 ✅
- 实现获取任务分类列表接口 📋
- 接口测试全部通过 🧪

perf: 🚀 下个版本将为任务分类列表接口加入 Redis 缓存以提升查询速度 ⚡

backend/conv/task-class.go

@@ -0,0 +1,96 @@
+package conv
+
+import (
+	"time"
+
+	"github.com/LoveLosita/smartflow/backend/model"
+	"github.com/LoveLosita/smartflow/backend/respond"
+)
+
+const dateLayout = "2006-01-02"
+
+func parseDatePtr(s string) (*time.Time, error) {
+	if s == "" {
+		return nil, nil
+	}
+	t, err := time.ParseInLocation(dateLayout, s, time.Local)
+	if err != nil {
+		return nil, err
+	}
+	return &t, nil
+}
+
+func ProcessUserAddTaskClassRequest(req *model.UserAddTaskClassRequest, userID int) (*model.TaskClass, []model.TaskClassItem, error) {
+	startDate, err := parseDatePtr(req.StartDate)
+	if err != nil {
+		return nil, nil, respond.WrongParamType
+	}
+	endDate, err := parseDatePtr(req.EndDate)
+	if err != nil {
+		return nil, nil, respond.WrongParamType
+	}
+	//1.填充section1,2
+	taskClass := model.TaskClass{
+		Name:      &req.Name,
+		Mode:      &req.Mode,
+		StartDate: startDate,
+		EndDate:   endDate,
+		UserID:    &userID,
+	}
+	//2.填充section3
+	taskClass.TotalSlots = &req.Config.TotalSlots
+	taskClass.AllowFillerCourse = &req.Config.AllowFillerCourse
+	taskClass.Strategy = &req.Config.Strategy
+	//处理 ExcludedSlots 切片为 JSON 字符串
+	if len(req.Config.ExcludedSlots) > 0 {
+		//转换为 JSON 字符串
+		excludedSlotsJSON := "["
+		for i, slot := range req.Config.ExcludedSlots {
+			excludedSlotsJSON += string(rune(slot + '0')) //简单转换为字符
+			if i != len(req.Config.ExcludedSlots)-1 {
+				excludedSlotsJSON += ","
+			}
+		}
+		excludedSlotsJSON += "]"
+		taskClass.ExcludedSlots = &excludedSlotsJSON
+	} else {
+		emptyJSON := "[]"
+		taskClass.ExcludedSlots = &emptyJSON
+	}
+	//3.开始构建 items
+	var items []model.TaskClassItem
+	for _, itemReq := range req.Items {
+		item := model.TaskClassItem{ //填充section 2
+			Order:        &itemReq.Order,
+			Content:      &itemReq.Content,
+			EmbeddedTime: itemReq.EmbeddedTime,
+			Status:       nil,
+		}
+		items = append(items, item)
+	}
+	return &taskClass, items, nil
+}
+
+func timeOrZero(t *time.Time) time.Time {
+	if t == nil {
+		return time.Time{}
+	}
+	return *t
+}
+
+func TaskClassModelToResponse(taskClasses []model.TaskClass) *model.UserGetTaskClassesResponse {
+	var resp model.UserGetTaskClassesResponse
+	for _, tc := range taskClasses {
+		tcResp := model.TaskClassSummary{
+			ID:         tc.ID,
+			Name:       *tc.Name,
+			Mode:       *tc.Mode,
+			StartDate:  timeOrZero(tc.StartDate),
+			EndDate:    timeOrZero(tc.EndDate),
+			TotalSlots: *tc.TotalSlots,
+			Strategy:   *tc.Strategy,
+		}
+		resp.TaskClasses = append(resp.TaskClasses, tcResp)
+	}
+	return &resp
+}