feat: 植物识别百科ai助手迁移

app/plant/rpc/internal/logic/addCareRecordLogic.go

@@ -57,19 +57,29 @@ func (l *AddCareRecordLogic) AddCareRecord(in *plant.AddCareRecordReq) (*plant.C
 
 		// 4. 生成下一期任务（以今天为基准，+period 天）
 		nextDue := time.Now().Truncate(24*time.Hour).AddDate(0, 0, plan.Period)
-		nextTask := plantModel.CareTask{
-			UserID:       in.UserId,
-			PlantID:      in.PlantId,
-			PlanID:       in.PlanId,
-			Name:         plan.Name,
-			Icon:         plan.Icon,
-			TargetAction: plan.TargetAction,
-			DueDate:      nextDue,
-			Status:       1,
-		}
-		if err := tx.Create(&nextTask).Error; err != nil {
+
+		// 检查是否已经存在该计划的待办任务，避免重复生成相同事项的多个待办任务
+		var activeCount int64
+		if err := tx.Model(&plantModel.CareTask{}).
+			Where("plan_id = ? AND status = 1", plan.ID).
+			Count(&activeCount).Error; err != nil {
 			return err
 		}
+		if activeCount == 0 {
+			nextTask := plantModel.CareTask{
+				UserID:       in.UserId,
+				PlantID:      in.PlantId,
+				PlanID:       in.PlanId,
+				Name:         plan.Name,
+				Icon:         plan.Icon,
+				TargetAction: plan.TargetAction,
+				DueDate:      nextDue,
+				Status:       1,
+			}
+			if err := tx.Create(&nextTask).Error; err != nil {
+				return err
+			}
+		}
 
 		// 5. 更新用户 care_count 统计
 		actionMap := map[string]string{