Fix GetDomainName()

VERSION

@@ -1 +1 @@
-1.4.1
+1.4.2

functions/common.go

@@ -1,9 +1,6 @@
 package functions
 
 import (
-	"fmt"
-	"net"
-	"os"
 	"strings"
 
 	"golang.org/x/text/cases"
@@ -18,40 +15,3 @@ func Title(s string) string {
 func Split(sep, s string) []string {
 	return strings.Split(s, sep)
 }
-
-// getDomainName attempts to find the domain name of the host.
-// It returns the domain name if found, otherwise an error.
-func getDomainName() (string, error) {
-	// Get the hostname
-	hostname, err := os.Hostname()
-	if err != nil {
-		return "", fmt.Errorf("error getting hostname: %v", err)
-	}
-
-	// Lookup IP addresses associated with the hostname
-	ips, err := net.LookupIP(hostname)
-	if err != nil {
-		return "", fmt.Errorf("error looking up IP addresses for hostname %s: %v", hostname, err)
-	}
-
-	for _, ip := range ips {
-		// Perform a reverse lookup to find the FQDN
-		names, err := net.LookupAddr(ip.String())
-		if err != nil {
-			// If there's an error, continue to the next IP
-			continue
-		}
-
-		for _, name := range names {
-			cleanName := strings.TrimSuffix(name, ".")
-			return cleanName, nil
-		}
-	}
-
-	return "", fmt.Errorf("domain name not found for host: %s", hostname)
-}
-
-func GetDomainName() string {
-	domain, _ := getDomainName()
-	return domain
-}

functions/getdomain.go

@@ -0,0 +1,18 @@
+package functions
+
+import (
+	"os"
+	"strings"
+)
+
+func GetDomainName() string {
+	hostname, err := os.Hostname()
+	if err != nil {
+		return "exmaple.ir"
+	}
+	parts := strings.Split(hostname, ".")
+	if len(parts) < 2 {
+		return "exmaple.ir"
+	}
+	return strings.Join(parts[1:], ".")
+}