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package roles
import (
"github.com/rackspace/gophercloud/pagination"
"github.com/mitchellh/mapstructure"
)
// RoleAssignment is the result of a role assignments query.
type RoleAssignment struct {
Role Role `json:"role,omitempty"`
Scope Scope `json:"scope,omitempty"`
User User `json:"user,omitempty"`
Group Group `json:"group,omitempty"`
}
type Role struct {
ID string `json:"id,omitempty"`
}
type Scope struct {
Domain Domain `json:"domain,omitempty"`
Project Project `json:"domain,omitempty"`
}
type Domain struct {
ID string `json:"id,omitempty"`
}
type Project struct {
ID string `json:"id,omitempty"`
}
type User struct {
ID string `json:"id,omitempty"`
}
type Group struct {
ID string `json:"id,omitempty"`
}
// RoleAssignmentsPage is a single page of RoleAssignments results.
type RoleAssignmentsPage struct {
pagination.LinkedPageBase
}
// IsEmpty returns true if the page contains no results.
func (p RoleAssignmentsPage) IsEmpty() (bool, error) {
roleAssignments, err := ExtractRoleAssignments(p)
if err != nil {
return true, err
}
return len(roleAssignments) == 0, nil
}
// NextPageURL uses the response's embedded link reference to navigate to the next page of results.
func (page RoleAssignmentsPage) NextPageURL() (string, error) {
type resp struct {
Links struct {
Next string `mapstructure:"next"`
} `mapstructure:"links"`
}
var r resp
err := mapstructure.Decode(page.Body, &r)
if err != nil {
return "", err
}
return r.Links.Next, nil
}
// ExtractRoleAssignments extracts a slice of RoleAssignments from a Collection acquired from List.
func ExtractRoleAssignments(page pagination.Page) ([]RoleAssignment, error) {
var response struct {
RoleAssignments []RoleAssignment `mapstructure:"role_assignments"`
}
err := mapstructure.Decode(page.(RoleAssignmentsPage).Body, &response)
return response.RoleAssignments, err
}
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