feat: 植物识别百科ai助手迁移

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

@@ -51,14 +51,24 @@ func (l *CompleteTaskLogic) CompleteTask(in *plant.CompleteTaskReq) (*plant.Task
 		today := time.Now()
 		todayZero := time.Date(today.Year(), today.Month(), today.Day(), 0, 0, 0, 0, today.Location())
 		nextDue := todayZero.AddDate(0, 0, plan.Period)
-		newTask := plantModel.CareTask{
-			UserID: plan.UserID, PlantID: plan.PlantID, PlanID: plan.ID,
-			Name: plan.Name, Icon: plan.Icon, TargetAction: plan.TargetAction,
-			DueDate: nextDue, Status: 1,
-		}
-		if err := tx.Create(&newTask).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 {
+			newTask := plantModel.CareTask{
+				UserID: plan.UserID, PlantID: plan.PlantID, PlanID: plan.ID,
+				Name: plan.Name, Icon: plan.Icon, TargetAction: plan.TargetAction,
+				DueDate: nextDue, Status: 1,
+			}
+			if err := tx.Create(&newTask).Error; err != nil {
+				return err
+			}
+		}
 		// 4. 保存养护记录
 		record := plantModel.CareRecord{
 			UserID: plan.UserID, PlantID: plan.PlantID, PlanID: plan.ID,