// Copyright (C) The Arvados Authors. All rights reserved.
//
// SPDX-License-Identifier: Apache-2.0

package arvados

import "encoding/json"

// ResourceListParams expresses which results are requested in a
// list/index API.
type ResourceListParams struct {
	Select             []string `json:"select,omitempty"`
	Filters            []Filter `json:"filters,omitempty"`
	IncludeTrash       bool     `json:"include_trash,omitempty"`
	IncludeOldVersions bool     `json:"include_old_versions,omitempty"`
	Limit              *int     `json:"limit,omitempty"`
	Offset             int      `json:"offset,omitempty"`
	Order              string   `json:"order,omitempty"`
	Distinct           bool     `json:"distinct,omitempty"`
	Count              string   `json:"count,omitempty"`
}

// A Filter restricts the set of records returned by a list/index API.
type Filter struct {
	Attr     string
	Operator string
	Operand  interface{}
}

// MarshalJSON encodes a Filter in the form expected by the API.
func (f *Filter) MarshalJSON() ([]byte, error) {
	return json.Marshal([]interface{}{f.Attr, f.Operator, f.Operand})
}