add new notifications service

notifications/pkg/command/root.go

@@ -0,0 +1,64 @@
+package command
+
+import (
+	"context"
+	"os"
+
+	"github.com/owncloud/ocis/notifications/pkg/config"
+	"github.com/owncloud/ocis/ocis-pkg/clihelper"
+	ociscfg "github.com/owncloud/ocis/ocis-pkg/config"
+	"github.com/thejerf/suture/v4"
+	"github.com/urfave/cli/v2"
+)
+
+// GetCommands provides all commands for this service
+func GetCommands(cfg *config.Config) cli.Commands {
+	return []*cli.Command{
+		// start this service
+		Server(cfg),
+
+		// interaction with this service
+
+		// infos about this service
+		Health(cfg),
+		Version(cfg),
+	}
+}
+
+// Execute is the entry point for the notifications command.
+func Execute(cfg *config.Config) error {
+	app := clihelper.DefaultApp(&cli.App{
+		Name:     "notifications",
+		Usage:    "starts notifications service",
+		Commands: GetCommands(cfg),
+	})
+
+	cli.HelpFlag = &cli.BoolFlag{
+		Name:  "help,h",
+		Usage: "Show the help",
+	}
+
+	return app.Run(os.Args)
+}
+
+// SutureService allows for the notifications command to be embedded and supervised by a suture supervisor tree.
+type SutureService struct {
+	cfg *config.Config
+}
+
+// NewSutureService creates a new notifications.SutureService
+func NewSutureService(cfg *ociscfg.Config) suture.Service {
+	cfg.Settings.Commons = cfg.Commons
+	return SutureService{
+		cfg: cfg.Notifications,
+	}
+}
+
+func (s SutureService) Serve(ctx context.Context) error {
+	s.cfg.Context = ctx
+	if err := Execute(s.cfg); err != nil {
+		return err
+	}
+
+	return nil
+}