[logdog] Remove list functionality.

logdog/appengine/coordinator/hierarchy/project.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 hierarchy
-
-import (
-        log "github.com/luci/luci-go/common/logging"
-        "github.com/luci/luci-go/grpc/grpcutil"
-        "github.com/luci/luci-go/logdog/appengine/coordinator/config"
-        "github.com/luci/luci-go/luci_config/common/cfgtypes"
-
-        "golang.org/x/net/context"
-)
-
-func getProjects(c context.Context, r *Request) (*List, error) {
-        // None of the projects are streams.
-        var l List
-        if r.StreamOnly {
-                return &l, nil
-        }
-
-        // Get all user-accessible active projects.
-        projects, err := config.ActiveUserProjects(c)
-        if err != nil {
-                // If there is an error, we will refrain from filtering projects.
-                log.WithError(err).Warningf(c, "Failed to get user project list.")
-                return nil, grpcutil.Internal
-        }
-
-        next := cfgtypes.ProjectName(r.Next)
-        skip := r.Skip
-        for _, proj := range projects {
-                // Implement "Next" cursor. If set, don't do anything until we've seen it.
-                if next != "" {
-                        if proj == next {
-                                next = ""
-                        }
-                        continue
-                }
-
-                // Implement skip.
-                if skip > 0 {
-                        skip--
-                        continue
-                }
-
-                l.Comp = append(l.Comp, &ListComponent{
-                        Name: string(proj),
-                })
-
-                // Implement limit.
-                if r.Limit > 0 && len(l.Comp) >= r.Limit {
-                        l.Next = string(proj)
-                        break
-                }
-        }
-
-        return &l, nil
-}