MM-27169: Remove uneeded fields from App (#15408)

* MM-27169: Remove uneeded fields from App

https://mattermost.atlassian.net/browse/MM-27169

* run app-layers

* Bring back searchengine

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/app.go

@@ -27,8 +27,10 @@ import (
 type App struct {
 	srv *Server
 
-	log              *mlog.Logger
-	notificationsLog *mlog.Logger
+	// XXX: This is required because removing this needs BleveEngine
+	// to be registered in (h *MainHelper) setupStore, but that creates
+	// a cyclic dependency as bleve tests themselves import testlib.
+	searchEngine *searchengine.Broker
 
 	t              goi18n.TranslateFunc
 	session        model.Session
@@ -38,17 +40,6 @@ type App struct {
 	userAgent      string
 	acceptLanguage string
 
-	cluster       einterfaces.ClusterInterface
-	compliance    einterfaces.ComplianceInterface
-	dataRetention einterfaces.DataRetentionInterface
-	searchEngine  *searchengine.Broker
-	messageExport einterfaces.MessageExportInterface
-	metrics       einterfaces.MetricsInterface
-
-	httpService httpservice.HTTPService
-	imageProxy  *imageproxy.ImageProxy
-	timezones   *timezones.Timezones
-
 	context context.Context
 }
 
@@ -426,10 +417,10 @@ func (a *App) Srv() *Server {
 	return a.srv
 }
 func (a *App) Log() *mlog.Logger {
-	return a.log
+	return a.srv.Log
 }
 func (a *App) NotificationsLog() *mlog.Logger {
-	return a.notificationsLog
+	return a.srv.NotificationsLog
 }
 func (a *App) T(translationID string, args ...interface{}) string {
 	return a.t(translationID, args...)
@@ -456,13 +447,13 @@ func (a *App) AccountMigration() einterfaces.AccountMigrationInterface {
 	return a.srv.AccountMigration
 }
 func (a *App) Cluster() einterfaces.ClusterInterface {
-	return a.cluster
+	return a.srv.Cluster
 }
 func (a *App) Compliance() einterfaces.ComplianceInterface {
-	return a.compliance
+	return a.srv.Compliance
 }
 func (a *App) DataRetention() einterfaces.DataRetentionInterface {
-	return a.dataRetention
+	return a.srv.DataRetention
 }
 func (a *App) SearchEngine() *searchengine.Broker {
 	return a.searchEngine
@@ -471,10 +462,10 @@ func (a *App) Ldap() einterfaces.LdapInterface {
 	return a.srv.Ldap
 }
 func (a *App) MessageExport() einterfaces.MessageExportInterface {
-	return a.messageExport
+	return a.srv.MessageExport
 }
 func (a *App) Metrics() einterfaces.MetricsInterface {
-	return a.metrics
+	return a.srv.Metrics
 }
 func (a *App) Notification() einterfaces.NotificationInterface {
 	return a.srv.Notification
@@ -483,13 +474,13 @@ func (a *App) Saml() einterfaces.SamlInterface {
 	return a.srv.Saml
 }
 func (a *App) HTTPService() httpservice.HTTPService {
-	return a.httpService
+	return a.srv.HTTPService
 }
 func (a *App) ImageProxy() *imageproxy.ImageProxy {
-	return a.imageProxy
+	return a.srv.ImageProxy
 }
 func (a *App) Timezones() *timezones.Timezones {
-	return a.timezones
+	return a.srv.timezones
 }
 func (a *App) Context() context.Context {
 	return a.context
@@ -526,6 +517,8 @@ func (a *App) SetServer(srv *Server) {
 func (a *App) GetT() goi18n.TranslateFunc {
 	return a.t
 }
+
+// TODO: change this to make a server method.
 func (a *App) SetLog(l *mlog.Logger) {
-	a.log = l
+	a.srv.Log = l
 }

app/app_iface.go

@@ -296,6 +296,8 @@ type AppIface interface {
 	// the member's group memberships and the configuration of those groups to the syncable. This method should only
 	// be invoked on group-synced (aka group-constrained) syncables.
 	SyncSyncableRoles(syncableID string, syncableType model.GroupSyncableType) *model.AppError
+	// TODO: change this to make a server method.
+	SetLog(l *mlog.Logger)
 	// TeamMembersMinusGroupMembers returns the set of users on the given team minus the set of users in the given
 	// groups.
 	//
@@ -893,7 +895,6 @@ type AppIface interface {
 	SetContext(c context.Context)
 	SetDefaultProfileImage(user *model.User) *model.AppError
 	SetIpAddress(s string)
-	SetLog(l *mlog.Logger)
 	SetPath(s string)
 	SetPhase2PermissionsMigrationStatus(isComplete bool) error
 	SetPluginKey(pluginId string, key string, value []byte) *model.AppError

app/options.go

@@ -97,18 +97,6 @@ type AppOptionCreator func() []AppOption
 func ServerConnector(s *Server) AppOption {
 	return func(a *App) {
 		a.srv = s
-		a.log = s.Log
-		a.notificationsLog = s.NotificationsLog
-
-		a.cluster = s.Cluster
-		a.compliance = s.Compliance
-		a.dataRetention = s.DataRetention
 		a.searchEngine = s.SearchEngine
-		a.messageExport = s.MessageExport
-		a.metrics = s.Metrics
-
-		a.httpService = s.HTTPService
-		a.imageProxy = s.ImageProxy
-		a.timezones = s.timezones
 	}
 }

app/searchengine.go

@@ -31,6 +31,10 @@ func (a *App) TestElasticsearch(cfg *model.Config) *model.AppError {
 	return nil
 }
 
+func (a *App) SetSearchEngine(se *searchengine.Broker) {
+	a.searchEngine = se
+}
+
 func (a *App) PurgeElasticsearchIndexes() *model.AppError {
 	engine := a.SearchEngine().ElasticsearchEngine
 	if engine == nil {
@@ -56,7 +60,3 @@ func (a *App) PurgeBleveIndexes() *model.AppError {
 	}
 	return nil
 }
-
-func (a *App) SetSearchEngine(se *searchengine.Broker) {
-	a.searchEngine = se
-}