Initial Commit

config.go

@@ -0,0 +1,96 @@
+/*
+ *   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
+}