feat: 删除植物和删除养护事项

model/plant/my_plant_care_plan.go

@@ -2,6 +2,9 @@ package plant
 
 import (
 	"sundynix-go/global"
+	"sundynix-go/utils/timer"
+
+	"gorm.io/gorm"
 )
 
 // CarePlan 养护计划
@@ -13,3 +16,30 @@ type CarePlan struct {
 	Name    string `json:"name"`
 	Period  int    `json:"period" form:"period" gorm:"column:period;comment:周期"`
 }
+
+// AfterUpdate 钩子函数 修改计划后重新生成任务
+func (p *CarePlan) AfterUpdate(tx *gorm.DB) error {
+	//1.删除旧任务
+	err := tx.Where("plan_id = ?", p.Id).Unscoped().Delete(&CareTask{}).Error
+	if err != nil {
+		return err
+	}
+	//2.创建新任务
+	today := timer.GetZeroTime()
+	dueDate := today.AddDate(0, 0, p.Period)
+	task := CareTask{
+		UserId:  p.UserId,
+		PlantId: p.Id,
+		PlanId:  p.Id,
+		Name:    p.Name,
+		Icon:    p.Icon,
+		DueDate: dueDate,
+		Status:  1,
+	}
+	err = tx.Create(&task).Error
+	if err != nil {
+		return err
+	}
+	return nil
+
+}