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package firewalls
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
type Firewall struct {
ID string `json:"id" mapstructure:"id"`
Name string `json:"name" mapstructure:"name"`
Description string `json:"description" mapstructure:"description"`
AdminStateUp bool `json:"admin_state_up" mapstructure:"admin_state_up"`
Status string `json:"status" mapstructure:"status"`
PolicyID string `json:"firewall_policy_id" mapstructure:"firewall_policy_id"`
TenantID string `json:"tenant_id" mapstructure:"tenant_id"`
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a firewall.
func (r commonResult) Extract() (*Firewall, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Firewall *Firewall `json:"firewall"`
}
err := mapstructure.Decode(r.Body, &res)
return res.Firewall, err
}
// FirewallPage is the page returned by a pager when traversing over a
// collection of firewalls.
type FirewallPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of firewalls 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 FirewallPage) NextPageURL() (string, error) {
type resp struct {
Links []gophercloud.Link `mapstructure:"firewalls_links"`
}
var r resp
err := mapstructure.Decode(p.Body, &r)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(r.Links)
}
// IsEmpty checks whether a FirewallPage struct is empty.
func (p FirewallPage) IsEmpty() (bool, error) {
is, err := ExtractFirewalls(p)
if err != nil {
return true, nil
}
return len(is) == 0, nil
}
// ExtractFirewalls 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 ExtractFirewalls(page pagination.Page) ([]Firewall, error) {
var resp struct {
Firewalls []Firewall `mapstructure:"firewalls" json:"firewalls"`
}
err := mapstructure.Decode(page.(FirewallPage).Body, &resp)
return resp.Firewalls, 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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