Read TOML configuration files

config/toml.go

@@ -0,0 +1,44 @@
+package config
+
+import (
+	"io/ioutil"
+	"os"
+
+	"github.com/gookit/color"
+	"github.com/pelletier/go-toml/v2"
+)
+
+func loadConfFile(configFilePath string) Configuration {
+	bytes, err := ioutil.ReadFile(configFilePath)
+
+	if err != nil {
+		color.Errorln(err.Error())
+		color.Warnln("Creating new configuration file")
+		return createNewConfig(configFilePath)
+	}
+
+	var cfg Configuration
+	err = toml.Unmarshal(bytes, &cfg)
+	if err != nil {
+		color.Errorln(err.Error())
+		color.Errorln("Configuration file " + configFilePath + " could not be read as TOML file")
+		panic(err)
+	}
+	color.Infoln("Loaded configuration file " + configFilePath)
+	return cfg
+}
+
+func createNewConfig(configFilePath string) Configuration {
+	confBytes, err := toml.Marshal(defaultConfig)
+	if err != nil {
+		color.Errorln(err.Error())
+		color.Errorln("Default config struct is not TOML conform")
+		panic(err)
+	}
+	err = os.WriteFile(configFilePath, confBytes, 0644)
+	if err != nil {
+		color.Errorln(err.Error())
+		color.Warnln("Using default config without file")
+	}
+	return defaultConfig
+}