made use of string builder in logger

logger/util.go

@@ -0,0 +1,30 @@
+package logger
+
+import (
+	"os"
+	"strconv"
+	"strings"
+)
+
+// MakeString - makes a string using golang string builder
+func MakeString(delimeter string, message ...string) string {
+	var builder strings.Builder
+	for i := 0; i < len(message); i++ {
+		builder.WriteString(message[i])
+		if delimeter != "" && i != len(message)-1 {
+			builder.WriteString(delimeter)
+		}
+	}
+	return builder.String()
+}
+
+func getVerbose() int32 {
+	level, err := strconv.Atoi(os.Getenv("VERBOSITY"))
+	if err != nil || level < 0 {
+		level = 0
+	}
+	if level > 3 {
+		level = 3
+	}
+	return int32(level)
+}