blobs

Documentation

Index

• Constants
• Variables
• type Blob
  • func Create(fullPath string) *Blob
  • func GetAll() ([]*Blob, error)
  • func (b *Blob) Destroy() error
  • func (b *Blob) Name() string
  • func (b *Blob) Save() error

Constants

const (
	// MaxRandomNumber represents the random number range [0, MaxRandomNumber).
	MaxRandomNumber int = 10000

	// MetaDataDB represents the name of the file used for storing metadata.
	MetaDataDB string = "data.db"

	// CfgDataPathKey represents the dataPath key in config.
	CfgDataPathKey = "dataPath"
)

Variables

var (
	// ErrOperateDB is returned when unknow error hanppend from database.
	ErrOperateDB = errors.New("error happened when operating database")

	// ErrNotFound represents no record found.
	ErrNotFound = errors.New("not found")
)

var (
	// ErrGroupUnmatch is returned when add a Blob into a blobgroup which it is unmatch.
	ErrGroupUnmatch = errors.New("group is unmatch")
)

Types

type Blob

type Blob struct {
	// FileName represents the file name of the deleted file.
	FileName string

	// Dir represent where the blob stored before deleted.
	Dir string

	// CreatedAt represents when the blob is created, i.e. when it is deleted.
	CreatedAt time.Time

	// ID used to indentify blob when two or more files has the same filename.
	ID string
}

Blob represents the blob instance.

func Create

func Create(fullPath string) *Blob

Create makes a blob metadate.

func GetAll

func GetAll() ([]*Blob, error)

GetAll returns all the blobs in database.

func (*Blob) Destroy

func (b *Blob) Destroy() error

Destroy deletes a blob from database. Only Filename and ID are compared.

func (*Blob) Name

func (b *Blob) Name() string

Name gets the name of the blob.

func (*Blob) Save

func (b *Blob) Save() error

Save stores the blob metadata to disk.