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package roles
import (
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
// ListAssignmentsOptsBuilder allows extensions to add additional parameters to
// the ListAssignments request.
type ListAssignmentsOptsBuilder interface {
ToRolesListAssignmentsQuery() (string, error)
}
// ListAssignmentsOpts allows you to query the ListAssignments method.
// Specify one of or a combination of GroupId, RoleId, ScopeDomainId, ScopeProjectId,
// and/or UserId to search for roles assigned to corresponding entities.
// Effective lists effective assignments at the user, project, and domain level,
// allowing for the effects of group membership.
type ListAssignmentsOpts struct {
GroupId string `q:"group.id"`
RoleId string `q:"role.id"`
ScopeDomainId string `q:"scope.domain.id"`
ScopeProjectId string `q:"scope.project.id"`
UserId string `q:"user.id"`
Effective bool `q:"effective"`
}
// ToRolesListAssignmentsQuery formats a ListAssignmentsOpts into a query string.
func (opts ListAssignmentsOpts) ToRolesListAssignmentsQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
if err != nil {
return "", err
}
return q.String(), nil
}
// ListAssignments enumerates the roles assigned to a specified resource.
func ListAssignments(client *gophercloud.ServiceClient, opts ListAssignmentsOptsBuilder) pagination.Pager {
url := listAssignmentsURL(client)
query, err := opts.ToRolesListAssignmentsQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
createPage := func(r pagination.PageResult) pagination.Page {
return RoleAssignmentsPage{pagination.LinkedPageBase{PageResult: r}}
}
return pagination.NewPager(client, url, createPage)
}
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