Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/app/options.go

@@ -0,0 +1,120 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package app
+
+import (
+	"github.com/mattermost/mattermost-server/v6/model"
+	"github.com/mattermost/mattermost-server/v6/server/channels/app/platform"
+	"github.com/mattermost/mattermost-server/v6/server/channels/einterfaces"
+	"github.com/mattermost/mattermost-server/v6/server/channels/store"
+	"github.com/mattermost/mattermost-server/v6/server/config"
+	"github.com/mattermost/mattermost-server/v6/server/platform/shared/filestore"
+	"github.com/mattermost/mattermost-server/v6/server/platform/shared/mlog"
+)
+
+type Option func(s *Server) error
+
+// By default, the app will use the store specified by the configuration. This allows you to
+// construct an app with a different store.
+//
+// The override parameter must be either a store.Store or func(App) store.Store().
+func StoreOverride(override any) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.StoreOverride(override))
+		return nil
+	}
+}
+
+func StoreOverrideWithCache(override store.Store) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.StoreOverrideWithCache(override))
+		return nil
+	}
+}
+
+// Config applies the given config dsn, whether a path to config.json
+// or a database connection string. It receives as well a set of
+// custom defaults that will be applied for any unset property of the
+// config loaded from the dsn on top of the normal defaults
+func Config(dsn string, readOnly bool, configDefaults *model.Config) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.Config(dsn, readOnly, configDefaults))
+		return nil
+	}
+}
+
+// ConfigStore applies the given config store, typically to replace the traditional sources with a memory store for testing.
+func ConfigStore(configStore *config.Store) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.ConfigStore(configStore))
+		return nil
+	}
+}
+
+func SetFileStore(filestore filestore.FileBackend) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.SetFileStore(filestore))
+		return nil
+	}
+}
+
+func RunEssentialJobs(s *Server) error {
+	s.runEssentialJobs = true
+
+	return nil
+}
+
+func JoinCluster(s *Server) error {
+	s.joinCluster = true
+
+	return nil
+}
+
+func StartMetrics(s *Server) error {
+	s.platformOptions = append(s.platformOptions, platform.StartMetrics())
+	return nil
+}
+
+func WithLicense(license *model.License) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, func(p *platform.PlatformService) error {
+			p.SetLicense(license)
+			return nil
+		})
+		return nil
+	}
+}
+
+// SetLogger requires platform service to be initialized before calling.
+// If not, logger should be set after platform service are initialized.
+func SetLogger(logger *mlog.Logger) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.SetLogger(logger))
+		return nil
+	}
+}
+
+func SkipPostInitialization() Option {
+	return func(s *Server) error {
+		s.skipPostInit = true
+
+		return nil
+	}
+}
+
+type AppOption func(a *App)
+type AppOptionCreator func() []AppOption
+
+func ServerConnector(ch *Channels) AppOption {
+	return func(a *App) {
+		a.ch = ch
+	}
+}
+
+func SetCluster(impl einterfaces.ClusterInterface) Option {
+	return func(s *Server) error {
+		s.platformOptions = append(s.platformOptions, platform.SetCluster(impl))
+		return nil
+	}
+}