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manager.go
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/
manager.go
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package config
import (
"fmt"
"os"
"path/filepath"
"github.com/pelletier/go-toml/v2"
"github.com/spf13/viper"
)
type Manager struct {
cfg *Config
}
func NewCM() *Manager {
return &Manager{cfg: NewConfig()}
}
func (c *Manager) Load() (*Config, error) {
cfgPath, err := c.buildConfigPath()
if err != nil {
return nil, err
}
v := viper.New()
v.SetConfigFile(cfgPath)
if err := v.ReadInConfig(); err != nil && os.IsNotExist(err) {
return c.cfg, c.Save()
} else if err != nil {
return nil, fmt.Errorf("Error reading config: %s\n", err)
}
return c.cfg, v.Unmarshal(c.cfg)
}
func (c *Manager) Save() error {
cfgPath, err := c.buildConfigPath()
if err != nil {
return err
}
f, err := os.OpenFile(cfgPath, os.O_WRONLY|os.O_CREATE, 0666)
if err != nil {
return fmt.Errorf("failed to open file %s: %v", cfgPath, err)
}
return toml.NewEncoder(f).Encode(c.cfg)
}
func (c *Manager) GetConfigDir() string {
cfgPath, _ := c.buildConfigPath()
return filepath.Dir(cfgPath)
}
func (c *Manager) buildConfigPath() (string, error) {
cfgDir, err := os.UserConfigDir()
if err != nil {
return "", err
}
cfgPath := filepath.Join(cfgDir, "relingo-desktop")
if _, err := os.Stat(cfgPath); err != nil {
if err := os.Mkdir(cfgPath, 0755); err != nil {
return "", err
}
}
return filepath.Join(cfgPath, "config.toml"), nil
}