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savefile.go
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/
savefile.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/OpenPeeDeeP/xdg"
)
const (
TypeScale = "Scale"
TypeChord = "Chord"
TypeList = "List"
)
type BoardState struct {
Name string
Type string
Root string
Tuning string
}
type State struct {
Root string
ScaleChord string
Columns int
Tuning string
Width int
Height int
Boards []BoardState
}
func getSaveFilePath() (string, error) {
path := xdg.New("", "fretnoter").DataHome()
err := os.MkdirAll(path, 0755)
if err != nil {
return "", err
}
return filepath.Join(path, "config.json"), nil
}
func Save(s *State) error {
data, err := json.Marshal(*s)
if err != nil {
return err
}
path, err := getSaveFilePath()
if err != nil {
return err
}
return ioutil.WriteFile(path, data, 0600)
}
func Load() (*State, error) {
path, err := getSaveFilePath()
if err != nil {
return nil, err
}
data, err := ioutil.ReadFile(path)
if err != nil {
return nil, err
}
var ret State
err = json.Unmarshal(data, &ret)
if err != nil {
return nil, err
}
fmt.Println("Loaded configuration from:", path)
return &ret, nil
}