feat: Add new collaboration service (WOPI)

services/collaboration/pkg/server/grpc/server.go

@@ -0,0 +1,32 @@
+package grpc
+
+import (
+	appproviderv1beta1 "github.com/cs3org/go-cs3apis/cs3/app/provider/v1beta1"
+	svc "github.com/owncloud/ocis/v2/services/collaboration/pkg/service/grpc/v0"
+	"google.golang.org/grpc"
+)
+
+// Server initializes a new grpc service ready to run
+// THIS SERVICE IS REGISTERED AGAINST REVA, NOT GO-MICRO
+func Server(opts ...Option) (*grpc.Server, func(), error) {
+	grpcOpts := []grpc.ServerOption{}
+	options := newOptions(opts...)
+	grpcServer := grpc.NewServer(grpcOpts...)
+
+	handle, teardown, err := svc.NewHandler(
+		svc.Config(options.Config),
+		svc.Logger(options.Logger),
+		svc.AppURLs(options.App.AppURLs),
+	)
+	if err != nil {
+		options.Logger.Error().
+			Err(err).
+			Msg("Error initializing collaboration service")
+		return grpcServer, teardown, err
+	}
+
+	// register the app provider interface / OpenInApp call
+	appproviderv1beta1.RegisterProviderAPIServer(grpcServer, handle)
+
+	return grpcServer, teardown, nil
+}