scheduler/appengine/ui/helpers.go

// Copyright 2015 The LUCI Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ui

import (
	"go.chromium.org/luci/scheduler/appengine/engine"
	"go.chromium.org/luci/server/router"
)

// jobFromEngine fetches an *engine.Job and returns it, or writes HTTP Not Found
// reply to the response writer and returns nil if it is not found.
//
// Panics on unexpected errors, so panic catcher middleware can write HTTP
// Internal Server Error page.
func jobFromEngine(c *router.Context, projectID, jobName string) *engine.Job {
	job, err := config(c.Request.Context()).Engine.GetVisibleJob(c.Request.Context(), projectID+"/"+jobName)
	switch {
	case err == engine.ErrNoSuchJob:
		uiErrNoJobOrNoPerm.render(c)
		return nil
	case err != nil:
		panic(err)
	default:
		return job
	}
}