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package webhooks
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
type webhookResult struct {
gophercloud.Result
}
// Extract interprets any webhookResult as a Webhook, if possible.
func (r webhookResult) Extract() (*Webhook, error) {
if r.Err != nil {
return nil, r.Err
}
var response struct {
Webhook Webhook `mapstructure:"webhook"`
}
err := mapstructure.Decode(r.Body, &response)
return &response.Webhook, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
webhookResult
}
// Extract extracts a slice of Webhooks from a CreateResult. Multiple webhooks
// can be created in a single operation, so the result of a create is always a
// list of webhooks.
func (res CreateResult) Extract() ([]Webhook, error) {
if res.Err != nil {
return nil, res.Err
}
return commonExtractWebhooks(res.Body)
}
// GetResult temporarily contains the response from a Get call.
type GetResult struct {
webhookResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
gophercloud.ErrResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// Webhook represents a webhook associted with a scaling policy.
type Webhook struct {
// UUID for the webhook.
ID string `mapstructure:"id" json:"id"`
// Name of the webhook.
Name string `mapstructure:"name" json:"name"`
// Links associated with the webhook, including the capability URL.
Links []gophercloud.Link `mapstructure:"links" json:"links"`
// Metadata associated with the webhook.
Metadata map[string]string `mapstructure:"metadata" json:"metadata"`
}
// WebhookPage is the page returned by a pager when traversing over a collection
// of webhooks.
type WebhookPage struct {
pagination.SinglePageBase
}
// IsEmpty returns true if a page contains no Webhook results.
func (page WebhookPage) IsEmpty() (bool, error) {
hooks, err := ExtractWebhooks(page)
if err != nil {
return true, err
}
return len(hooks) == 0, nil
}
// ExtractWebhooks interprets the results of a single page from a List() call,
// producing a slice of Webhooks.
func ExtractWebhooks(page pagination.Page) ([]Webhook, error) {
return commonExtractWebhooks(page.(WebhookPage).Body)
}
func commonExtractWebhooks(body interface{}) ([]Webhook, error) {
var response struct {
Webhooks []Webhook `mapstructure:"webhooks"`
}
err := mapstructure.Decode(body, &response)
if err != nil {
return nil, err
}
return response.Webhooks, err
}
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