feat: system manager.

models/kindergarten.go

@@ -0,0 +1,32 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Kindergarten struct {
+	ID        uint   `gorm:"primaryKey" json:"id"`
+	Name      string `gorm:"size:255;not null;index" json:"name"`
+	Address   string `gorm:"size:1024;not null" json:"address"`
+	RegionID  uint32 `gorm:"not null;uniqueIndex" json:"regionId"`
+	CreatedAt int64  `gorm:"not null" json:"created_at"`
+	UpdatedAt int64  `gorm:"not null" json:"updated_at"`
+}
+
+func (Kindergarten) TableName() string {
+	return "kindergartens"
+}
+
+func (k *Kindergarten) BeforeCreate(tx *gorm.DB) (err error) {
+	now := time.Now().UnixMilli()
+	k.CreatedAt = now
+	k.UpdatedAt = now
+	return nil
+}
+
+func (k *Kindergarten) BeforeUpdate(tx *gorm.DB) (err error) {
+	k.UpdatedAt = time.Now().UnixMilli()
+	return nil
+}