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package policies
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Policy is a firewall policy.
type Policy struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
TenantID string `json:"tenant_id"`
ProjectID string `json:"project_id"`
Audited bool `json:"audited"`
Shared bool `json:"shared"`
Rules []string `json:"firewall_rules,omitempty"`
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a firewall policy.
func (r commonResult) Extract() (*Policy, error) {
var s struct {
Policy *Policy `json:"firewall_policy"`
}
err := r.ExtractInto(&s)
return s.Policy, err
}
// PolicyPage is the page returned by a pager when traversing over a
// collection of firewall policies.
type PolicyPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of firewall policies has
// reached the end of a page and the pager seeks to traverse over a new one.
// In order to do this, it needs to construct the next page's URL.
func (r PolicyPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"firewall_policies_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a PolicyPage struct is empty.
func (r PolicyPage) IsEmpty() (bool, error) {
is, err := ExtractPolicies(r)
return len(is) == 0, err
}
// ExtractPolicies accepts a Page struct, specifically a Policy struct,
// and extracts the elements into a slice of Policy structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractPolicies(r pagination.Page) ([]Policy, error) {
var s struct {
Policies []Policy `json:"firewall_policies"`
}
err := (r.(PolicyPage)).ExtractInto(&s)
return s.Policies, err
}
// GetResult represents the result of a get operation. Call its Extract
// method to interpret it as a Policy.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation. Call its
// Extract method to interpret it as a Policy.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation. Call its
// ExtractErr method to determine if the operation succeeded or failed.
type DeleteResult struct {
gophercloud.ErrResult
}
// CreateResult represents the result of a create operation. Call its Extract
// method to interpret it as a Policy.
type CreateResult struct {
commonResult
}
// InsertRuleResult represents the result of an InsertRule operation. Call its
// Extract method to interpret it as a Policy.
type InsertRuleResult struct {
commonResult
}
// RemoveRuleResult represents the result of a RemoveRule operation. Call its
// Extract method to interpret it as a Policy.
type RemoveRuleResult struct {
commonResult
}
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