feat: working state syncer

internal/util/init.go

@@ -0,0 +1,53 @@
+package util
+
+import (
+	"log/slog"
+	"os"
+	"strings"
+
+	"github.com/kamikazechaser/common/logg"
+	"github.com/knadh/koanf/parsers/toml"
+	"github.com/knadh/koanf/providers/env"
+	"github.com/knadh/koanf/providers/file"
+	"github.com/knadh/koanf/v2"
+)
+
+func InitLogger() *slog.Logger {
+	loggOpts := logg.LoggOpts{
+		FormatType: logg.Logfmt,
+		LogLevel:   slog.LevelInfo,
+	}
+
+	if os.Getenv("DEBUG") != "" {
+		loggOpts.LogLevel = slog.LevelDebug
+	}
+
+	if os.Getenv("DEV") != "" {
+		loggOpts.LogLevel = slog.LevelDebug
+		loggOpts.FormatType = logg.Human
+	}
+
+	return logg.NewLogg(loggOpts)
+}
+
+func InitConfig(lo *slog.Logger, confFilePath string) *koanf.Koanf {
+	var (
+		ko = koanf.New(".")
+	)
+
+	confFile := file.Provider(confFilePath)
+	if err := ko.Load(confFile, toml.Parser()); err != nil {
+		lo.Error("could not parse configuration file", "error", err)
+		os.Exit(1)
+	}
+
+	if err := ko.Load(env.Provider("SYNC_", ".", func(s string) string {
+		return strings.ReplaceAll(strings.ToLower(
+			strings.TrimPrefix(s, "SYNC_")), "__", ".")
+	}), nil); err != nil {
+		lo.Error("could not override config from env vars", "error", err)
+		os.Exit(1)
+	}
+
+	return ko
+}