Version 3 starter

backend/internal/util/slices.go

@@ -0,0 +1,35 @@
+package util
+
+import (
+	"strconv"
+	"strings"
+)
+
+// SliceContainsItem returns whether the slice given contains the item given
+func SliceContainsItem(slice []string, item string) bool {
+	for _, a := range slice {
+		if a == item {
+			return true
+		}
+	}
+	return false
+}
+
+// SliceContainsInt returns whether the slice given contains the item given
+func SliceContainsInt(slice []int, item int) bool {
+	for _, a := range slice {
+		if a == item {
+			return true
+		}
+	}
+	return false
+}
+
+// ConvertIntSliceToString returns a comma separated string of all items in the slice
+func ConvertIntSliceToString(slice []int) string {
+	strs := []string{}
+	for _, item := range slice {
+		strs = append(strs, strconv.Itoa(item))
+	}
+	return strings.Join(strs, ",")
+}