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package volumetransfers
import (
"encoding/json"
"time"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Transfer represents a Volume Transfer record
type Transfer struct {
ID string `json:"id"`
AuthKey string `json:"auth_key"`
Name string `json:"name"`
VolumeID string `json:"volume_id"`
CreatedAt time.Time `json:"-"`
Links []map[string]string `json:"links"`
}
// UnmarshalJSON is our unmarshalling helper
func (r *Transfer) UnmarshalJSON(b []byte) error {
type tmp Transfer
var s struct {
tmp
CreatedAt gophercloud.JSONRFC3339MilliNoZ `json:"created_at"`
}
err := json.Unmarshal(b, &s)
if err != nil {
return err
}
*r = Transfer(s.tmp)
r.CreatedAt = time.Time(s.CreatedAt)
return err
}
type commonResult struct {
gophercloud.Result
}
// Extract will get the Transfer object out of the commonResult object.
func (r commonResult) Extract() (*Transfer, error) {
var s Transfer
err := r.ExtractInto(&s)
return &s, err
}
// ExtractInto converts our response data into a transfer struct
func (r commonResult) ExtractInto(v interface{}) error {
return r.Result.ExtractIntoStructPtr(v, "transfer")
}
// CreateResult contains the response body and error from a Create request.
type CreateResult struct {
commonResult
}
// GetResult contains the response body and error from a Get request.
type GetResult struct {
commonResult
}
// DeleteResult contains the response body and error from a Delete request.
type DeleteResult struct {
gophercloud.ErrResult
}
// ExtractTransfers extracts and returns Transfers. It is used while iterating over a transfers.List call.
func ExtractTransfers(r pagination.Page) ([]Transfer, error) {
var s []Transfer
err := ExtractTransfersInto(r, &s)
return s, err
}
// ExtractTransfersInto similar to ExtractInto but operates on a `list` of transfers
func ExtractTransfersInto(r pagination.Page, v interface{}) error {
return r.(TransferPage).Result.ExtractIntoSlicePtr(v, "transfers")
}
// TransferPage is a pagination.pager that is returned from a call to the List function.
type TransferPage struct {
pagination.LinkedPageBase
}
// IsEmpty returns true if a ListResult contains no Transfers.
func (r TransferPage) IsEmpty() (bool, error) {
if r.StatusCode == 204 {
return true, nil
}
transfers, err := ExtractTransfers(r)
return len(transfers) == 0, err
}
func (page TransferPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"transfers_links"`
}
err := page.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
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