[milo] Add BuildSummary and common models.

milo/appengine/buildbot/builder.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package buildbot
 
 import (
         "crypto/sha1"
         "encoding/base64"
         "errors"
@@ skipping 51 matching lines @@
                 case "failed steps", "exception steps":
                         result = result[1:]
                 }
         }
         return result
 }
 
 func getBuildSummary(b *buildbotBuild) *resp.BuildSummary {
         started, finished, duration := parseTimes(nil, b.Times)
         return &resp.BuildSummary{
-                Link: &resp.Link{
-                        URL:   fmt.Sprintf("%d", b.Number),
-                        Label: fmt.Sprintf("#%d", b.Number),
-                },
+                Link:   resp.NewLink(fmt.Sprintf("#%d", b.Number), fmt.Sprintf("%d", b.Number)),
                 Status: b.toStatus(),
                 ExecutionTime: resp.Interval{
                         Started:  started,
                         Finished: finished,
                         Duration: duration,
                 },
                 Text:     mergeText(b.Text),
                 Blame:    blame(b),
                 Revision: b.Sourcestamp.Revision,
         }
@@ skipping 81 matching lines @@
 func summarizeSlavePool(
         baseURL string, slaves []string, slaveMap map[string]*buildbotSlave) *resp.MachinePool {
 
         mp := &resp.MachinePool{
                 Total: len(slaves),
                 Bots:  make([]resp.Bot, 0, len(slaves)),
         }
         for _, slaveName := range slaves {
                 slave, ok := slaveMap[slaveName]
                 bot := resp.Bot{
-                        Name: resp.Link{
-                                Label: slaveName,
-                                URL:   fmt.Sprintf("%s/buildslaves/%s", baseURL, slaveName),
-                        },
+                        Name: *resp.NewLink(
+                                slaveName,
+                                fmt.Sprintf("%s/buildslaves/%s", baseURL, slaveName),
+                        ),
                 }
                 switch {
                 case !ok:
                         // This shouldn't happen
                 case !slave.Connected:
                         bot.Status = resp.Disconnected
                         mp.Disconnected++
                 case len(slave.RunningbuildsMap) > 0:
                         bot.Status = resp.Busy
                         mp.Busy++
@@ skipping 101 matching lines @@
         }
         result.CurrentBuilds = currentBuilds
 
         for _, fb := range finishedBuilds {
                 if fb != nil {
                         result.FinishedBuilds = append(result.FinishedBuilds, fb)
                 }
         }
         return result, nil
 }