// Copyright 2019 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by the Drone Non-Commercial License
// that can be found in the LICENSE file.

package users

import (
	"net/http"

	"github.com/drone/drone/handler/api/render"
	"github.com/drone/drone/logger"
	"github.com/drone/drone/core"
)

// HandleList returns an http.HandlerFunc that writes a json-encoded
// list of all registered system users to the response body.
func HandleList(users core.UserStore) http.HandlerFunc {
	return func(w http.ResponseWriter, r *http.Request) {
		users, err := users.List(r.Context())
		if err != nil {
			render.InternalError(w, err)
			logger.FromRequest(r).WithError(err).
				Warnln("api: cannot list users")
		} else {
			render.JSON(w, users, 200)
		}
	}
}