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options.go
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options.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/v5/config"
"github.com/mattermost/mattermost-server/v5/model"
"github.com/mattermost/mattermost-server/v5/shared/mlog"
"github.com/mattermost/mattermost-server/v5/store"
)
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 interface{}) Option {
return func(s *Server) error {
switch o := override.(type) {
case store.Store:
s.newStore = func() (store.Store, error) {
return o, nil
}
return nil
case func(*Server) store.Store:
s.newStore = func() (store.Store, error) {
return o(s), nil
}
return nil
default:
return errors.New("invalid StoreOverride")
}
}
}
// 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, watch, readOnly bool, configDefaults *model.Config) Option {
return func(s *Server) error {
configStore, err := config.NewStore(dsn, watch, readOnly, configDefaults)
if err != nil {
return errors.Wrap(err, "failed to apply Config option")
}
s.configStore = configStore
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.configStore = configStore
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.startMetrics = true
return nil
}
func StartSearchEngine(s *Server) error {
s.startSearchEngine = true
return nil
}
func SetLogger(logger *mlog.Logger) Option {
return func(s *Server) error {
s.Log = logger
return nil
}
}
type AppOption func(a *App)
type AppOptionCreator func() []AppOption
func ServerConnector(s *Server) AppOption {
return func(a *App) {
a.srv = s
a.searchEngine = s.SearchEngine
}
}