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results.go
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results.go
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package users
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
db "github.com/rackspace/gophercloud/openstack/db/v1/databases"
"github.com/rackspace/gophercloud/pagination"
)
// User represents a database user
type User struct {
// The user name
Name string
// The user password
Password string
// The databases associated with this user
Databases []db.Database
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
gophercloud.ErrResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// UserPage represents a single page of a paginated user collection.
type UserPage struct {
pagination.LinkedPageBase
}
// IsEmpty checks to see whether the collection is empty.
func (page UserPage) IsEmpty() (bool, error) {
users, err := ExtractUsers(page)
if err != nil {
return true, err
}
return len(users) == 0, nil
}
// NextPageURL will retrieve the next page URL.
func (page UserPage) NextPageURL() (string, error) {
type resp struct {
Links []gophercloud.Link `mapstructure:"users_links"`
}
var r resp
err := mapstructure.Decode(page.Body, &r)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(r.Links)
}
// ExtractUsers will convert a generic pagination struct into a more
// relevant slice of User structs.
func ExtractUsers(page pagination.Page) ([]User, error) {
casted := page.(UserPage).Body
var response struct {
Users []User `mapstructure:"users"`
}
err := mapstructure.Decode(casted, &response)
return response.Users, err
}