objectstorage

type Bucket interface {
	// List list object names in a Bucket
	List(string, string) ([]string, error)
	// BrowseObjects browses inside the Bucket and execute a callback on each Object found
	Browse(string, string, func(Object) error) error

	// CreateObject creates a new object in the bucket
	CreateObject(string) (Object, error)
	// GetObject returns Object instance of an object in the Bucket
	GetObject(string) (Object, error)
	// DeleteObject delete an object from a container
	DeleteObject(string) error
	// ReadObject reads the content of an object
	ReadObject(string, io.Writer, int64, int64) (Object, error)
	// WriteObject writes into an object
	WriteObject(string, io.Reader, int64, ObjectMetadata) (Object, error)
	// WriteMultiPartObject writes a lot of data into an object, cut in pieces
	WriteMultiPartObject(string, io.Reader, int64, int, ObjectMetadata) (Object, error)

	// GetName returns the name of the bucket
	GetName() string
	// GetCount returns the number of objects in the Bucket
	GetCount(string, string) (int64, error)
	// GetSize returns the total size of all objects in the bucket
	GetSize(string, string) (int64, string, error)
}

type Config struct {
	Type             string
	EnvAuth          bool
	AuthVersion      int
	AuthURL          string
	EndpointType     string
	Endpoint         string
	TenantDomain     string
	Tenant           string
	Domain           string
	User             string
	Key              string
	SecretKey        string
	Region           string
	AvailabilityZone string
	ProjectID        string
	Credentials      string
}

type Location interface {
	// ReadTenant(projectName string, provider string) (Config, error)
	GetType() string

	// ListBuckets returns all bucket prefixed by a string given as a parameter
	ListBuckets(string) ([]string, error)
	// FindBucket returns true of bucket exists in location
	FindBucket(string) (bool, error)
	// GetBucket returns info of the Bucket
	GetBucket(string) (Bucket, error)
	// Create a bucket
	CreateBucket(string) (Bucket, error)
	// DeleteBucket removes a bucket (need to be cleared before)
	DeleteBucket(string) error
	// ClearBucket empties a Bucket
	ClearBucket(string, string, string) error

	// ListObjects lists the objects in a Bucket
	ListObjects(string, string, string) ([]string, error)
	// GetObject ...
	GetObject(string, string) (Object, error)
	// ReadObject ...
	ReadObject(string, string, io.Writer, int64, int64) error
	// WriteMultiChunkObject ...
	WriteMultiPartObject(string, string, io.Reader, int64, int, ObjectMetadata) (Object, error)
	// WriteObject ...
	WriteObject(string, string, io.Reader, int64, ObjectMetadata) (Object, error)
	// // CopyObject copies an object
	// CopyObject(string, string, string) error
	// DeleteObject delete an object from a container
	DeleteObject(string, string) error
}

type Object interface {
	Stored() bool

	Read(io.Writer, int64, int64) error
	Write(io.Reader, int64) error
	WriteMultiPart(io.Reader, int64, int) error
	Reload() error
	Delete() error
	AddMetadata(ObjectMetadata)
	ForceAddMetadata(ObjectMetadata)
	ReplaceMetadata(ObjectMetadata)

	GetID() string
	GetName() string
	GetLastUpdate() (time.Time, error)
	GetSize() int64
	GetETag() string
	GetMetadata() ObjectMetadata
}

type ObjectMetadata map[string]interface{}