BE-636 | Number package

domain/number/number.go

@@ -0,0 +1,35 @@
+// Package number provides utility functions for working with numbers.
+package number
+
+import (
+	"strconv"
+	"strings"
+)
+
+// ParseNumbers parses a comma-separated list of numbers into a slice of unit64.
+func ParseNumbers(numbersParam string) ([]uint64, error) {
+	var numbers []uint64
+	numStrings := splitAndTrim(numbersParam, ",")
+
+	for _, numStr := range numStrings {
+		num, err := strconv.ParseUint(numStr, 10, 64)
+		if err != nil {
+			return nil, err
+		}
+		numbers = append(numbers, num)
+	}
+
+	return numbers, nil
+}
+
+// splitAndTrim splits a string by a separator and trims the resulting strings.
+func splitAndTrim(s, sep string) []string {
+	var result []string
+	for _, val := range strings.Split(s, sep) {
+		trimmed := strings.TrimSpace(val)
+		if trimmed != "" {
+			result = append(result, trimmed)
+		}
+	}
+	return result
+}