项目初始化

internal/model/admin.go

@@ -0,0 +1,11 @@
+package model
+
+import (
+	"time"
+)
+
+type Admin struct {
+	ID           uint       `gorm:"primaryKey" json:"id"`
+	PasswordHash string     `json:"-"`
+	LastLogin    *time.Time `json:"last_login"`
+}

internal/model/api_token.go

@@ -0,0 +1,16 @@
+package model
+
+import (
+	"time"
+)
+
+type APIToken struct {
+	ID         uint       `gorm:"primaryKey" json:"id"`
+	Name       string     `json:"name"`
+	TokenHash  string     `gorm:"uniqueIndex;not null" json:"-"`
+	Scope      string     `json:"scope"`
+	ExpireAt   *time.Time `json:"expire_at"`
+	LastUsedAt *time.Time `json:"last_used_at"`
+	Revoked    bool       `gorm:"default:false" json:"revoked"`
+	CreatedAt  time.Time  `json:"created_at"`
+}

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:"-"`
+}

internal/model/file_item.go

@@ -0,0 +1,15 @@
+package model
+
+import (
+	"time"
+)
+
+type FileItem struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	BatchID      uint      `gorm:"index;not null" json:"batch_id"`
+	OriginalName string    `json:"original_name"`
+	StoragePath  string    `json:"storage_path"`
+	Size         int64     `json:"size"`
+	MimeType     string    `json:"mime_type"`
+	CreatedAt    time.Time `json:"created_at"`
+}

internal/model/response.go

@@ -0,0 +1,45 @@
+package model
+
+// Response 统一响应模型
+type Response struct {
+	Code int         `json:"code" example:"200"`
+	Msg  string      `json:"msg" example:"success"`
+	Data interface{} `json:"data"`
+}
+
+// 错误码定义
+const (
+	CodeSuccess       = 200
+	CodeBadRequest    = 400
+	CodeUnauthorized  = 401
+	CodeForbidden     = 403
+	CodeNotFound      = 404
+	CodeGone          = 410
+	CodeInternalError = 500
+)
+
+// NewResponse 创建响应
+func NewResponse(code int, msg string, data interface{}) Response {
+	return Response{
+		Code: code,
+		Msg:  msg,
+		Data: data,
+	}
+}
+
+// SuccessResponse 成功响应
+func SuccessResponse(data interface{}) Response {
+	return Response{
+		Code: CodeSuccess,
+		Msg:  "success",
+		Data: data,
+	}
+}
+
+// ErrorResponse 错误响应
+func ErrorResponse(code int, msg string) Response {
+	return Response{
+		Code: code,
+		Msg:  msg,
+	}
+}