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package policies
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
type Policy struct {
ID string `json:"id" mapstructure:"id"`
Name string `json:"name" mapstructure:"name"`
Description string `json:"description" mapstructure:"description"`
TenantID string `json:"tenant_id" mapstructure:"tenant_id"`
Audited bool `json:"audited" mapstructure:"audited"`
Shared bool `json:"shared" mapstructure:"shared"`
Rules []string `json:"firewall_rules,omitempty" mapstructure:"firewall_rules"`
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a firewall policy.
func (r commonResult) Extract() (*Policy, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Policy *Policy `json:"firewall_policy" mapstructure:"firewall_policy"`
}
err := mapstructure.Decode(r.Body, &res)
return res.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 (p PolicyPage) NextPageURL() (string, error) {
type resp struct {
Links []gophercloud.Link `mapstructure:"firewall_policies_links"`
}
var r resp
err := mapstructure.Decode(p.Body, &r)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(r.Links)
}
// IsEmpty checks whether a PolicyPage struct is empty.
func (p PolicyPage) IsEmpty() (bool, error) {
is, err := ExtractPolicies(p)
if err != nil {
return true, nil
}
return len(is) == 0, nil
}
// ExtractPolicies accepts a Page struct, specifically a RouterPage struct,
// and extracts the elements into a slice of Router structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractPolicies(page pagination.Page) ([]Policy, error) {
var resp struct {
Policies []Policy `mapstructure:"firewall_policies" json:"firewall_policies"`
}
err := mapstructure.Decode(page.(PolicyPage).Body, &resp)
return resp.Policies, err
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
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