working on auth.

mailer, basic setup with html template and a dev treansport

util/logger/logger.go

@@ -0,0 +1,45 @@
+package logger
+
+import (
+	"fmt"
+	"log/slog"
+	"os"
+)
+
+func Info(msg string, args ...any) {
+	a, b := getArgs(args)
+	slog.Info(fmt.Sprintf(msg, a...), b...)
+}
+
+func Warn(msg string, args ...any) {
+	a, b := getArgs(args)
+	slog.Warn(fmt.Sprintf(msg, a...), b...)
+}
+
+func Error(err error, args ...any) {
+	a, b := getArgs(args)
+	slog.Error(fmt.Sprintf(err.Error(), a...), b...)
+	// TODO: save error log for later scrutiny
+}
+
+// Fatal error will exit with os.Exit(1)
+func Fatal(msg string, args ...any) {
+	a, b := getArgs(args)
+	slog.Error(fmt.Sprintf(msg, a...), b...)
+	os.Exit(1)
+}
+
+func getArgs(args []any) ([]any, []any) {
+	var a []any
+	var b []any
+	for _, arg := range args {
+		switch arg.(type) {
+		case slog.Attr:
+			b = append(b, arg)
+		default:
+			a = append(a, arg)
+		}
+	}
+
+	return a, b
+}