项目初始化

internal/model/file_batch.go

@@ -0,0 +1,22 @@
+package model
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type FileBatch struct {
+	ID            uint           `gorm:"primaryKey" json:"id"`
+	PickupCode    string         `gorm:"uniqueIndex;not null" json:"pickup_code"`
+	Remark        string         `json:"remark"`
+	ExpireType    string         `json:"expire_type"` // time / download / permanent
+	ExpireAt      *time.Time     `json:"expire_at"`
+	MaxDownloads  int            `json:"max_downloads"`
+	DownloadCount int            `gorm:"default:0" json:"download_count"`
+	Status        string         `gorm:"default:'active'" json:"status"` // active / expired / deleted
+	FileItems     []FileItem     `gorm:"foreignKey:BatchID" json:"file_items,omitempty"`
+	CreatedAt     time.Time      `json:"created_at"`
+	UpdatedAt     time.Time      `json:"updated_at"`
+	DeletedAt     gorm.DeletedAt `gorm:"index" json:"-"`
+}