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driver.go
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driver.go
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// Copyright (C) 2021 CGI France
//
// This file is part of LINO.
//
// LINO is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// LINO is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with LINO. If not, see <http://www.gnu.org/licenses/>.
package dataconnector
import "github.com/rs/zerolog/log"
// Add an alias to the storage, if it does not exist
func Add(s Storage, m *DataConnector) *Error {
exist, err := Get(s, m.Name)
if err != nil {
log.Error().Err(err).Msg("")
return err
}
if exist != nil {
return nil
}
err = s.Store(m)
if err != nil {
log.Error().Msg(err.Description)
return err
}
return nil
}
// Get an alias from the storage
func Get(s Storage, name string) (*DataConnector, *Error) {
list, err := s.List()
if err != nil {
log.Error().Msg(err.Description)
return nil, err
}
for _, a := range list {
if a.Name == name {
return &a, nil
}
}
return nil, nil
}
// List all stored aliases
func List(s Storage) ([]DataConnector, *Error) {
aliases, err := s.List()
if err != nil {
log.Error().Msg(err.Description)
return nil, err
}
if aliases == nil {
aliases = []DataConnector{}
}
return aliases, err
}