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driver.go
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driver.go
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package driver
import (
"context"
"github.com/IceWhaleTech/CasaOS-LocalStorage/model"
)
type Driver interface {
Meta
Reader
User
//Writer
//Other
}
type Meta interface {
Config() Config
// GetStorage just get raw storage, no need to implement, because model.Storage have implemented
GetStorage() *model.StorageA
SetStorage(model.StorageA)
// GetAddition Additional is used for unmarshal of JSON, so need return pointer
GetAddition() Additional
// Init If already initialized, drop first
Init(ctx context.Context) error
Drop(ctx context.Context) error
}
type Other interface {
Other(ctx context.Context, args model.OtherArgs) (interface{}, error)
}
type Reader interface {
// List files in the path
// if identify files by path, need to set ID with path,like path.Join(dir.GetID(), obj.GetName())
// if identify files by id, need to set ID with corresponding id
List(ctx context.Context, dir model.Obj, args model.ListArgs) ([]model.Obj, error)
// Link get url/filepath/reader of file
Link(ctx context.Context, file model.Obj, args model.LinkArgs) (*model.Link, error)
}
type User interface {
// GetRoot get root directory of user
GetUserInfo(ctx context.Context) (string, error)
}
type Getter interface {
GetRoot(ctx context.Context) (model.Obj, error)
}
//type Writer interface {
// Mkdir
// Move
// Rename
// Copy
// Remove
// Put
//}
type Mkdir interface {
MakeDir(ctx context.Context, parentDir model.Obj, dirName string) error
}
type Move interface {
Move(ctx context.Context, srcObj, dstDir model.Obj) error
}
type Rename interface {
Rename(ctx context.Context, srcObj model.Obj, newName string) error
}
type Copy interface {
Copy(ctx context.Context, srcObj, dstDir model.Obj) error
}
type Remove interface {
Remove(ctx context.Context, obj model.Obj) error
}
type Put interface {
Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up UpdateProgress) error
}
//type WriteResult interface {
// MkdirResult
// MoveResult
// RenameResult
// CopyResult
// PutResult
// Remove
//}
type MkdirResult interface {
MakeDir(ctx context.Context, parentDir model.Obj, dirName string) (model.Obj, error)
}
type MoveResult interface {
Move(ctx context.Context, srcObj, dstDir model.Obj) (model.Obj, error)
}
type RenameResult interface {
Rename(ctx context.Context, srcObj model.Obj, newName string) (model.Obj, error)
}
type CopyResult interface {
Copy(ctx context.Context, srcObj, dstDir model.Obj) (model.Obj, error)
}
type PutResult interface {
Put(ctx context.Context, dstDir model.Obj, stream model.FileStreamer, up UpdateProgress) (model.Obj, error)
}
type UpdateProgress func(percentage int)
type Progress struct {
Total int64
Done int64
up UpdateProgress
}
func (p *Progress) Write(b []byte) (n int, err error) {
n = len(b)
p.Done += int64(n)
p.up(int(float64(p.Done) / float64(p.Total) * 100))
return
}
func NewProgress(total int64, up UpdateProgress) *Progress {
return &Progress{
Total: total,
up: up,
}
}