首次提交：初始化项目代码

internal/domain/file/entity/deleted_file.go

@@ -0,0 +1,36 @@
+package entity
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type DeletedFile struct {
+	ID        uint           `json:"id" gorm:"primaryKey;comment:删除记录ID"`
+	UserID    uint           `json:"user_id" gorm:"comment:用户ID"`
+	UserCode  string         `json:"user_code" gorm:"index;size:8;comment:用户码"`
+	FileKey   string         `json:"file_key" gorm:"size:500;comment:文件存储键"`
+	FileName  string         `json:"file_name" gorm:"size:255;comment:文件名"`
+	Size      int64          `json:"size" gorm:"comment:文件大小（字节）"`
+	DeletedAt time.Time      `json:"deleted_at" gorm:"comment:删除时间"`
+	RemovedAt gorm.DeletedAt `json:"-" gorm:"comment:物理删除时间"`
+}
+
+func (DeletedFile) TableName() string {
+	return "deleted_files"
+}
+
+func (DeletedFile) TableComment() string {
+	return "回收站文件表"
+}
+
+func NewDeletedFile(userID uint, userCode, fileKey, fileName string, size int64) *DeletedFile {
+	return &DeletedFile{
+		UserID:   userID,
+		UserCode: userCode,
+		FileKey:  fileKey,
+		FileName: fileName,
+		Size:     size,
+	}
+}

internal/domain/file/entity/favorite.go

@@ -0,0 +1,34 @@
+package entity
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type Favorite struct {
+	ID        uint           `json:"id" gorm:"primaryKey;comment:收藏ID"`
+	UserID    uint           `json:"user_id" gorm:"comment:用户ID"`
+	UserCode  string         `json:"user_code" gorm:"index;size:8;comment:用户码"`
+	FileKey   string         `json:"file_key" gorm:"size:500;comment:文件存储键"`
+	Size      int64          `json:"size" gorm:"default:0;comment:文件大小（字节）"`
+	CreatedAt time.Time      `json:"created_at" gorm:"comment:收藏时间"`
+	DeletedAt gorm.DeletedAt `json:"-" gorm:"comment:删除时间"`
+}
+
+func (Favorite) TableName() string {
+	return "favorites"
+}
+
+func (Favorite) TableComment() string {
+	return "用户收藏表"
+}
+
+func NewFavorite(userID uint, userCode, fileKey string, size int64) *Favorite {
+	return &Favorite{
+		UserID:   userID,
+		UserCode: userCode,
+		FileKey:  fileKey,
+		Size:     size,
+	}
+}

internal/domain/file/entity/file.go

@@ -0,0 +1,34 @@
+package entity
+
+// FileMeta contains metadata about a file stored in the object storage.
+// FileMeta 包含存储在对象存储中的文件元数据。
+//
+// Fields:
+//   - Key: The unique key/path of the file in the storage.
+//   - Size: The size of the file in bytes.
+//
+// 字段:
+//   - Key: 文件在存储中的唯一键/路径。
+//   - Size: 文件大小（字节）。
+type FileMeta struct {
+	Key  string `json:"key"`
+	Size int64  `json:"size"`
+}
+
+// UploadRequest contains the necessary information to upload a file.
+// UploadRequest 包含上传文件所需的必要信息。
+//
+// Fields:
+//   - Filename: The original filename.
+//   - Content: The file content as bytes.
+//   - ContentType: The MIME type of the file.
+//
+// 字段:
+//   - Filename: 原始文件名。
+//   - Content: 文件内容（字节）。
+//   - ContentType: 文件的 MIME 类型。
+type UploadRequest struct {
+	Filename    string
+	Content     []byte
+	ContentType string
+}