headscale/hscontrol/db/policy.go

44 lines
843 B
Go

package db
import (
"errors"
"github.com/juanfont/headscale/hscontrol/types"
"gorm.io/gorm"
"gorm.io/gorm/clause"
)
// SetPolicy sets the policy in the database.
func (hsdb *HSDatabase) SetPolicy(policy string) (*types.Policy, error) {
// Create a new policy.
p := types.Policy{
Data: policy,
}
if err := hsdb.DB.Clauses(clause.Returning{}).Create(&p).Error; err != nil {
return nil, err
}
return &p, nil
}
// GetPolicy returns the latest policy in the database.
func (hsdb *HSDatabase) GetPolicy() (*types.Policy, error) {
var p types.Policy
// Query:
// SELECT * FROM policies ORDER BY id DESC LIMIT 1;
if err := hsdb.DB.
Order("id DESC").
Limit(1).
First(&p).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, types.ErrPolicyNotFound
}
return nil, err
}
return &p, nil
}