chore: update id type to int32 (#2076)

common/util/util.go

@@ -4,11 +4,21 @@ import (
 	"crypto/rand"
 	"math/big"
 	"net/mail"
+	"strconv"
 	"strings"
 
 	"github.com/google/uuid"
 )
 
+// ConvertStringToInt32 converts a string to int32.
+func ConvertStringToInt32(src string) (int32, error) {
+	i, err := strconv.Atoi(src)
+	if err != nil {
+		return 0, err
+	}
+	return int32(i), nil
+}
+
 // HasPrefixes returns true if the string s has any of the given prefixes.
 func HasPrefixes(src string, prefixes ...string) bool {
 	for _, prefix := range prefixes {