portainer/api/bolt/customtemplate/customtemplate.go

97 lines
2.9 KiB
Go

package customtemplate
import (
"github.com/boltdb/bolt"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/bolt/internal"
)
const (
// BucketName represents the name of the bucket where this service stores data.
BucketName = "customtemplates"
)
// Service represents a service for managing custom template data.
type Service struct {
connection *internal.DbConnection
}
// NewService creates a new instance of a service.
func NewService(connection *internal.DbConnection) (*Service, error) {
err := internal.CreateBucket(connection, BucketName)
if err != nil {
return nil, err
}
return &Service{
connection: connection,
}, nil
}
// CustomTemplates return an array containing all the custom templates.
func (service *Service) CustomTemplates() ([]portainer.CustomTemplate, error) {
var customTemplates = make([]portainer.CustomTemplate, 0)
err := service.connection.View(func(tx *bolt.Tx) error {
bucket := tx.Bucket([]byte(BucketName))
cursor := bucket.Cursor()
for k, v := cursor.First(); k != nil; k, v = cursor.Next() {
var customTemplate portainer.CustomTemplate
err := internal.UnmarshalObjectWithJsoniter(v, &customTemplate)
if err != nil {
return err
}
customTemplates = append(customTemplates, customTemplate)
}
return nil
})
return customTemplates, err
}
// CustomTemplate returns an custom template by ID.
func (service *Service) CustomTemplate(ID portainer.CustomTemplateID) (*portainer.CustomTemplate, error) {
var customTemplate portainer.CustomTemplate
identifier := internal.Itob(int(ID))
err := internal.GetObject(service.connection, BucketName, identifier, &customTemplate)
if err != nil {
return nil, err
}
return &customTemplate, nil
}
// UpdateCustomTemplate updates an custom template.
func (service *Service) UpdateCustomTemplate(ID portainer.CustomTemplateID, customTemplate *portainer.CustomTemplate) error {
identifier := internal.Itob(int(ID))
return internal.UpdateObject(service.connection, BucketName, identifier, customTemplate)
}
// DeleteCustomTemplate deletes an custom template.
func (service *Service) DeleteCustomTemplate(ID portainer.CustomTemplateID) error {
identifier := internal.Itob(int(ID))
return internal.DeleteObject(service.connection, BucketName, identifier)
}
// CreateCustomTemplate assign an ID to a new custom template and saves it.
func (service *Service) CreateCustomTemplate(customTemplate *portainer.CustomTemplate) error {
return service.connection.Update(func(tx *bolt.Tx) error {
bucket := tx.Bucket([]byte(BucketName))
data, err := internal.MarshalObject(customTemplate)
if err != nil {
return err
}
return bucket.Put(internal.Itob(int(customTemplate.ID)), data)
})
}
// GetNextIdentifier returns the next identifier for a custom template.
func (service *Service) GetNextIdentifier() int {
return internal.GetNextIdentifier(service.connection, BucketName)
}