[milo] Refactor all html knowledge out of backends.

milo/frontend/config.go

Index: milo/frontend/config.go
diff --git a/milo/frontend/config.go b/milo/frontend/config.go
deleted file mode 100644
index 1a0c3a0417031dcd299e8bca0c24e3456eb0c435..0000000000000000000000000000000000000000
--- a/milo/frontend/config.go
+++ /dev/null
@@ -1,76 +0,0 @@
-// 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 frontend
-
-import (
-	"net/http"
-
-	"cloud.google.com/go/datastore"
-	"google.golang.org/appengine"
-
-	"github.com/luci/luci-go/common/logging"
-	"github.com/luci/luci-go/milo/common"
-	"github.com/luci/luci-go/server/router"
-	"github.com/luci/luci-go/server/templates"
-)
-
-// ConfigsHandler renders the page showing the currently loaded set of luci-configs.
-func ConfigsHandler(c *router.Context) {
-	projects, err := common.GetAllProjects(c.Context)
-	if err != nil {
-		common.ErrorPage(
-			c, http.StatusInternalServerError,
-			"Error while getting projects: "+err.Error())
-		return
-	}
-	sc, err := common.GetCurrentServiceConfig(c.Context)
-	if err != nil && err != datastore.ErrNoSuchEntity {
-		common.ErrorPage(
-			c, http.StatusInternalServerError,
-			"Error while getting service config: "+err.Error())
-		return
-	}
-
-	templates.MustRender(c.Context, c.Writer, "pages/configs.html", templates.Args{
-		"Projects":      projects,
-		"ServiceConfig": sc,
-	})
-}
-
-// UpdateHandler is an HTTP handler that handles configuration update requests.
-func UpdateConfigHandler(ctx *router.Context) {
-	c, h := ctx.Context, ctx.Writer
-	// Needed to access the PubSub API
-	c = appengine.WithContext(c, ctx.Request)
-	projErr := common.UpdateProjectConfigs(c)
-	if projErr != nil {
-		logging.WithError(projErr).Errorf(c, "project update handler encountered error")
-	}
-	settings, servErr := common.UpdateServiceConfig(c)
-	if servErr != nil {
-		logging.WithError(servErr).Errorf(c, "service update handler encountered error")
-	} else {
-		servErr = common.EnsurePubSubSubscribed(c, settings)
-		if servErr != nil {
-			logging.WithError(servErr).Errorf(
-				c, "pubsub subscriber handler encountered error")
-		}
-	}
-	if projErr != nil || servErr != nil {
-		h.WriteHeader(http.StatusInternalServerError)
-		return
-	}
-	h.WriteHeader(http.StatusOK)
-}