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package endpoints
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
type commonResult struct {
gophercloud.Result
}
// Extract interprets a GetResult, CreateResult or UpdateResult as a concrete Endpoint.
// An error is returned if the original call or the extraction failed.
func (r commonResult) Extract() (*Endpoint, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Endpoint `json:"endpoint"`
}
err := mapstructure.Decode(r.Body, &res)
return &res.Endpoint, err
}
// CreateResult is the deferred result of a Create call.
type CreateResult struct {
commonResult
}
// createErr quickly wraps an error in a CreateResult.
func createErr(err error) CreateResult {
return CreateResult{commonResult{gophercloud.Result{Err: err}}}
}
// UpdateResult is the deferred result of an Update call.
type UpdateResult struct {
commonResult
}
// DeleteResult is the deferred result of an Delete call.
type DeleteResult struct {
gophercloud.ErrResult
}
// Endpoint describes the entry point for another service's API.
type Endpoint struct {
ID string `mapstructure:"id" json:"id"`
Availability gophercloud.Availability `mapstructure:"interface" json:"interface"`
Name string `mapstructure:"name" json:"name"`
Region string `mapstructure:"region" json:"region"`
ServiceID string `mapstructure:"service_id" json:"service_id"`
URL string `mapstructure:"url" json:"url"`
}
// EndpointPage is a single page of Endpoint results.
type EndpointPage struct {
pagination.LinkedPageBase
}
// IsEmpty returns true if no Endpoints were returned.
func (p EndpointPage) IsEmpty() (bool, error) {
es, err := ExtractEndpoints(p)
if err != nil {
return true, err
}
return len(es) == 0, nil
}
// ExtractEndpoints extracts an Endpoint slice from a Page.
func ExtractEndpoints(page pagination.Page) ([]Endpoint, error) {
var response struct {
Endpoints []Endpoint `mapstructure:"endpoints"`
}
err := mapstructure.Decode(page.(EndpointPage).Body, &response)
return response.Endpoints, err
}
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