init

local/utl/common/common.go

@@ -0,0 +1,56 @@
+package common
+
+import (
+	"log"
+	"net"
+	"os"
+	"regexp"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+)
+
+type RouteGroups struct {
+	Api fiber.Router
+}
+
+func CheckError(err error) {
+	if err != nil {
+		log.Printf("Error occured. %v", err)
+	}
+}
+
+var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
+var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
+
+func ToSnakeCase(str string) string {
+	snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
+	snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
+	return strings.ToLower(snake)
+}
+
+func GetIP() string {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		os.Stderr.WriteString("Oops: " + err.Error() + "\n")
+		os.Exit(1)
+	}
+
+	for _, a := range addrs {
+		if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+			if ipnet.IP.To4() != nil {
+				return ipnet.IP.String()
+			}
+		}
+	}
+	return ""
+}
+
+func Find[T any](lst *[]T, callback func(item *T) bool) *T {
+	for _, item := range *lst {
+		if callback(&item) {
+			return &item
+		}
+	}
+	return nil
+}