Initial commit: file_manager package with local and S3 support

controller/file_manager/interface.go

@@ -0,0 +1,34 @@
+package file_manager
+
+import (
+	"context"
+	"io"
+	"time"
+)
+
+// FileInfo 文件信息
+type FileInfo struct {
+	Filename   string    `json:"filename"`
+	Size       int64     `json:"size"`
+	SHA256     string    `json:"sha256,omitempty"`
+	Path       string    `json:"path"`
+	CreateTime time.Time `json:"create_time"`
+	Complete   bool      `json:"complete"`
+}
+
+// CreateResult 创建文件结果
+type CreateResult struct {
+	Code   string `json:"code"`
+	SHA256 string `json:"sha256,omitempty"`
+}
+
+// FileManager 文件管理接口
+type FileManager interface {
+	Create(ctx context.Context, filename string, size int64, sha256 string) (*CreateResult, error)
+	Upload(ctx context.Context, code string, start int64, end int64, reader io.Reader) (total int64, size int64, err error)
+	Get(ctx context.Context, code string) ([]byte, error)
+	Close(code string) error
+	GetInfo(ctx context.Context, code string) (*FileInfo, error)
+	Delete(ctx context.Context, code string) error
+	CloseManager()
+}