func (config *Config) ConfigureSettingsDirectory() error {
usr, err := user.Current()
if err != nil {
return err
}
config.SettingsDir = filepath.Join(usr.HomeDir, ".config/"+TITLE)
if ok, _ := utils.Exists(config.SettingsDir); !ok {
log.Println("Creating settings directory: ", config.SettingsDir)
if err := os.Mkdir(config.SettingsDir, 0755); err != nil {
return err
}
}
config.SavesDir = filepath.Join(config.SettingsDir, "saves")
if ok, _ := utils.Exists(config.SavesDir); !ok {
log.Println("Creating saves directory: ", config.SavesDir)
if err := os.Mkdir(config.SavesDir, 0755); err != nil {
return err
}
}
logPath := filepath.Join(config.SettingsDir, "log")
logFile, err := os.Create(logPath)
if err != nil {
return err
}
log.SetOutput(logFile)
return nil
}
func (c *Config) LoadConfig() error {
settingsFilepath := filepath.Join(c.SettingsDir, "config.json")
if ok, _ := utils.Exists(settingsFilepath); ok {
log.Println("Loading configuration from file:", settingsFilepath)
file, err := ioutil.ReadFile(settingsFilepath)
if err != nil {
return err
}
//Make sure all settings keys are present
var initialMap map[string]interface{}
err = json.Unmarshal(file, &initialMap)
if err != nil {
return ConfigSettingsParseError(fmt.Sprintf("%v", err))
}
for _, v := range []string{"Title", "ScreenSize", "ColorMode", "SkipBoot", "DisplayFPS"} {
if _, ok := initialMap[v]; !ok {
return ConfigValidationError("Could not find settings key: \"" + v + "\" in settings file")
}
}
//Now parse into struct
err = json.Unmarshal(file, &c)
if err != nil {
return err
}
//Perform validations
err = c.Validate()
if err != nil {
return err
}
//these are defaults
c.Debug = *debug
c.BreakOn = *breakOn
c.DumpState = *dumpState
} else {
log.Println("Could not find settings file at", settingsFilepath, "using default values instead...")
c.LoadDefaultConfig()
}
return nil
}