Milo buildbot builder page: Add pagnation with cursors.

milo/api/resp/builder.go

 // Copyright 2015 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 resp
 
 import "time"
 
 // Interval is a time interval which has a start, an end and a duration.
 type Interval struct {
@@ skipping 45 matching lines @@
         Warning string
 
         CurrentBuilds  []*BuildSummary
         PendingBuilds  []*BuildSummary
         FinishedBuilds []*BuildSummary
 
         // MachinePool is primarily used by buildbot builders to list the set of
         // machines that can run in a builder.  It has no meaning in buildbucket or dm
         // and is expected to be nil.
         MachinePool *MachinePool
+
+        // PrevCursor is a cursor to the previous page.
+        PrevCursor string

[nodir, 2017/04/18 20:27:49]

`json:",omitempty"`

[hinoka, 2017/04/20 21:37:07]

Done.

+        // NextCursor is a cursor to the next page.
+        NextCursor string

[nodir, 2017/04/18 20:27:49]

`json:",omitempty"`

[hinoka, 2017/04/20 21:37:08]

Done.

 }
 
 // MachinePool represents the capacity and availability of a builder.
 type MachinePool struct {
         Connected int
         Total     int
         Free      int
         Used      int
 }