Full refactor of codebase

src/utils/utils.go

@@ -0,0 +1,42 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/hex"
+	"math"
+
+	"strings"
+	"time"
+)
+
+func Now() time.Time {
+	return time.Now().UTC()
+}
+
+func StripAfterDot(s string) string {
+	if idx := strings.Index(s, "."); idx != -1 {
+		return s[:idx]
+	}
+	return s
+}
+
+func NameFromEmail(email string) string {
+	parts := strings.SplitN(email, "@", 2)
+	if len(parts) > 0 {
+		return parts[0]
+	}
+	return ""
+}
+
+func RoundFloat(val float64, precision uint) float64 {
+	ratio := math.Pow(10, float64(precision))
+	return math.Round(val*ratio) / ratio
+}
+
+func MustRandToken(n int) string {
+	b := make([]byte, n)
+	if _, err := rand.Read(b); err != nil {
+		panic(err)
+	}
+	return hex.EncodeToString(b)
+}