feat: share code.

models/app_file_share_code.go

@@ -0,0 +1,28 @@
+package models
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type AppFileShareCode struct {
+	gorm.Model
+	AppFileID       uint   `gorm:"not null;index" json:"appFileId"`
+	ShareCode       string `gorm:"size:6;not null;index" json:"shareCode"`
+	GeneratedByID   uint   `gorm:"not null;index" json:"generatedById"`
+	GeneratedByName string `gorm:"size:255;not null" json:"generatedByName"`
+	ExpiresAt       int64  `gorm:"not null;index" json:"expiresAt"`
+	IsActive        bool   `gorm:"not null;default:true;index" json:"isActive"`
+}
+
+func (AppFileShareCode) TableName() string {
+	return "app_file_share_codes"
+}
+
+func (s *AppFileShareCode) BeforeCreate(tx *gorm.DB) (err error) {
+	now := time.Now().UnixMilli()
+	s.CreatedAt = time.UnixMilli(now)
+	s.UpdatedAt = time.UnixMilli(now)
+	return nil
+}