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package services
import (
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
"github.com/mitchellh/mapstructure"
)
type commonResult struct {
gophercloud.Result
}
// Extract interprets a GetResult, CreateResult or UpdateResult as a concrete Service.
// An error is returned if the original call or the extraction failed.
func (r commonResult) Extract() (*Service, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Service `json:"service"`
}
err := mapstructure.Decode(r.Body, &res)
return &res.Service, err
}
// CreateResult is the deferred result of a Create call.
type CreateResult struct {
commonResult
}
// GetResult is the deferred result of a Get call.
type GetResult struct {
commonResult
}
// 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
}
// Service is the result of a list or information query.
type Service struct {
Description *string `json:"description,omitempty"`
ID string `json:"id"`
Name string `json:"name"`
Type string `json:"type"`
}
// ServicePage is a single page of Service results.
type ServicePage struct {
pagination.LinkedPageBase
}
// IsEmpty returns true if the page contains no results.
func (p ServicePage) IsEmpty() (bool, error) {
services, err := ExtractServices(p)
if err != nil {
return true, err
}
return len(services) == 0, nil
}
// ExtractServices extracts a slice of Services from a Collection acquired from List.
func ExtractServices(page pagination.Page) ([]Service, error) {
var response struct {
Services []Service `mapstructure:"services"`
}
err := mapstructure.Decode(page.(ServicePage).Body, &response)
return response.Services, err
}
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