trident/config.go

97 lines
2.9 KiB
Go

/*
* Copyright (C) 2021 Arsen Musayelyan
*
* This program 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.
*
* This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"github.com/pelletier/go-toml"
"go/build"
"os"
"path/filepath"
"time"
)
// Config stores the root of the TOML config
type Config struct {
ActivationPhrase string `toml:"activationPhrase"`
ActivationTime time.Duration `toml:"activationTime"`
IPCEnabled bool `toml:"ipcEnabled"`
Actions []Action `toml:"action"`
}
// Action stores voice-activated actions in config
type Action struct {
Name string `toml:"name"`
Type string `toml:"type"`
Phrase string `toml:"phrase"`
Input string `toml:"input,omitempty"`
Data map[string]interface{} `toml:"data,omitempty"`
}
// getConfig parses and returns a TOML config
func getConfig(path string) (*Config, error) {
// Open file at given path
file, err := os.Open(filepath.Clean(path))
if err != nil {
return nil, err
}
// Create new nil struct
var out Config
// Create new TOML decoder reading from file
dec := toml.NewDecoder(file)
// Decode contents of file to struct
err = dec.Decode(&out)
if err != nil {
return nil, err
}
return &out, nil
}
// Get all relevant paths
func configEnv() (gopath, configDir, execDir, confPath string) {
// Get path to currently running executable
execPath, err := os.Executable()
if err != nil {
log.Fatal().Err(err).Msg("Error getting executable path")
}
// Get current user's configuration directory
confDir, err := os.UserConfigDir()
if err != nil {
log.Fatal().Err(err).Msg("Error getting config directory")
}
// Try to get GOPATH environment variable
gopath = os.Getenv("GOPATH")
// If not set
if gopath == "" {
// Use default GOPATH
gopath = build.Default.GOPATH
}
// Set configuration directory to <user config dir>/trident
configDir = filepath.Join(confDir, "trident")
// Set executable directory to the directory of execPath
execDir = filepath.Dir(execPath)
// Set config path to file trident.toml inside config directory
confPath = filepath.Join(configDir, "trident.toml")
// If file is not accessible
if _, err := os.Stat(confPath); err != nil {
// Use config in same executable directory
confPath = filepath.Join(execDir, "trident.toml")
}
// Return all variables
return
}