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package config
import (
"encoding/json"
"fmt"
"io/ioutil"
"path"
"github.com/eduvpn/eduvpn-common/types"
"github.com/eduvpn/eduvpn-common/internal/util"
)
type Config struct {
Directory string
Name string
}
func (config *Config) Init(directory string, name string) {
config.Directory = directory
config.Name = name
}
func (config *Config) GetFilename() string {
pathString := path.Join(config.Directory, config.Name)
return fmt.Sprintf("%s.json", pathString)
}
func (config *Config) Save(readStruct interface{}) error {
errorMessage := "failed saving configuration"
configDirErr := util.EnsureDirectory(config.Directory)
if configDirErr != nil {
return &types.WrappedErrorMessage{Message: errorMessage, Err: configDirErr}
}
jsonString, marshalErr := json.Marshal(readStruct)
if marshalErr != nil {
return &types.WrappedErrorMessage{Message: errorMessage, Err: marshalErr}
}
return ioutil.WriteFile(config.GetFilename(), jsonString, 0o600)
}
func (config *Config) Load(writeStruct interface{}) error {
bytes, readErr := ioutil.ReadFile(config.GetFilename())
if readErr != nil {
return &types.WrappedErrorMessage{Message: "failed loading configuration", Err: readErr}
}
return json.Unmarshal(bytes, writeStruct)
}
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