✨ added random value selection feature to request objects (#19)

utils/convert.go

@@ -0,0 +1,54 @@
+package utils
+
+import (
+	"encoding/json"
+	"reflect"
+	"strings"
+)
+
+func MarshalJSON(v any, maxSliceSize uint) string {
+	rv := reflect.ValueOf(v)
+	if rv.Kind() == reflect.Slice && rv.Len() == 0 {
+		return "[]"
+	}
+
+	data, err := json.MarshalIndent(truncateLists(v, int(maxSliceSize)), "", "  ")
+	if err != nil {
+		return "{}"
+	}
+
+	return strings.Replace(string(data), `"..."`, "...", -1)
+}
+
+func truncateLists(v interface{}, maxItems int) interface{} {
+	rv := reflect.ValueOf(v)
+
+	switch rv.Kind() {
+	case reflect.Slice, reflect.Array:
+		if rv.Len() > maxItems {
+			newSlice := reflect.MakeSlice(rv.Type(), maxItems, maxItems)
+			reflect.Copy(newSlice, rv.Slice(0, maxItems))
+			newSlice = reflect.Append(newSlice, reflect.ValueOf("..."))
+			return newSlice.Interface()
+		}
+	case reflect.Map:
+		newMap := reflect.MakeMap(rv.Type())
+		for _, key := range rv.MapKeys() {
+			newMap.SetMapIndex(key, reflect.ValueOf(truncateLists(rv.MapIndex(key).Interface(), maxItems)))
+		}
+		return newMap.Interface()
+	case reflect.Struct:
+		newStruct := reflect.New(rv.Type()).Elem()
+		for i := 0; i < rv.NumField(); i++ {
+			newStruct.Field(i).Set(reflect.ValueOf(truncateLists(rv.Field(i).Interface(), maxItems)))
+		}
+		return newStruct.Interface()
+	case reflect.Ptr:
+		if rv.IsNil() {
+			return nil
+		}
+		return truncateLists(rv.Elem().Interface(), maxItems)
+	}
+
+	return v
+}

utils/slice.go

@@ -1,7 +1,7 @@
 package utils
 
-func Flatten[T any](nested [][]T) []T {
-	flattened := make([]T, 0)
+func Flatten[T any](nested [][]*T) []*T {
+	flattened := make([]*T, 0)
 	for _, n := range nested {
 		flattened = append(flattened, n...)
 	}