chore(code): reduce the code duplication EE-7278 (#11969)

api/logoutcontext/logout_context.go

@@ -0,0 +1,20 @@
+package logoutcontext
+
+import (
+	"context"
+)
+
+const LogoutPrefix = "logout-"
+
+func GetContext(token string) context.Context {
+	return GetService(logoutToken(token)).GetLogoutCtx()
+}
+
+func Cancel(token string) {
+	GetService(logoutToken(token)).Cancel()
+	RemoveService(logoutToken(token))
+}
+
+func logoutToken(token string) string {
+	return LogoutPrefix + token
+}

api/logoutcontext/service.go

@@ -0,0 +1,28 @@
+package logoutcontext
+
+import (
+	"context"
+)
+
+type (
+	Service struct {
+		ctx    context.Context
+		cancel context.CancelFunc
+	}
+)
+
+func NewService() *Service {
+	ctx, cancel := context.WithCancel(context.Background())
+	return &Service{
+		ctx:    ctx,
+		cancel: cancel,
+	}
+}
+
+func (s *Service) Cancel() {
+	s.cancel()
+}
+
+func (s *Service) GetLogoutCtx() context.Context {
+	return s.ctx
+}

api/logoutcontext/service_factory.go

@@ -0,0 +1,34 @@
+package logoutcontext
+
+import "sync"
+
+type (
+	ServiceFactory struct {
+		mu       sync.Mutex
+		services map[string]*Service
+	}
+)
+
+var serviceFactory = ServiceFactory{
+	services: make(map[string]*Service),
+}
+
+func GetService(token string) *Service {
+	serviceFactory.mu.Lock()
+	defer serviceFactory.mu.Unlock()
+
+	service, ok := serviceFactory.services[token]
+	if !ok {
+		service = NewService()
+		serviceFactory.services[token] = service
+	}
+
+	return service
+}
+
+func RemoveService(token string) {
+	serviceFactory.mu.Lock()
+	defer serviceFactory.mu.Unlock()
+
+	delete(serviceFactory.services, token)
+}