From 489d0a5db36ff1d4613c83aca989befc1ced38f9 Mon Sep 17 00:00:00 2001
From: Benedikt Kulmann <benedikt@kulmann.biz>
Date: Fri, 8 Oct 2021 19:37:48 +0200
Subject: [PATCH] Add favorites capability

---
 changelog/unreleased/favorites-capability.md | 5 +++++
 storage/pkg/command/frontend.go              | 1 +
 storage/pkg/config/config.go                 | 1 +
 storage/pkg/flagset/frontend.go              | 7 +++++++
 4 files changed, 14 insertions(+)
 create mode 100644 changelog/unreleased/favorites-capability.md

diff --git a/changelog/unreleased/favorites-capability.md b/changelog/unreleased/favorites-capability.md
new file mode 100644
index 0000000000..8a438bc0a4
--- /dev/null
+++ b/changelog/unreleased/favorites-capability.md
@@ -0,0 +1,5 @@
+Enhancement: Favorites capability
+
+We've added a capability for the storage frontend which can be used to announce to clients whether or not favorites are supported. By default this is disabled because the listing of favorites doesn't survive service restarts at the moment.
+
+https://github.com/owncloud/ocis/pull/2599
diff --git a/storage/pkg/command/frontend.go b/storage/pkg/command/frontend.go
index 96566f55f7..96f3364195 100644
--- a/storage/pkg/command/frontend.go
+++ b/storage/pkg/command/frontend.go
@@ -83,6 +83,7 @@ func Frontend(cfg *config.Config) *cli.Command {
 				"versioning":        true,
 				"archivers":         archivers,
 				"app_providers":     appProviders,
+				"favorites":         cfg.Reva.Frontend.Favorites,
 			}
 
 			if cfg.Reva.DefaultUploadProtocol == "tus" {
diff --git a/storage/pkg/config/config.go b/storage/pkg/config/config.go
index 7d34e71871..e6be589346 100644
--- a/storage/pkg/config/config.go
+++ b/storage/pkg/config/config.go
@@ -149,6 +149,7 @@ type FrontendPort struct {
 	AppProviderPrefix       string
 	ArchiverPrefix          string
 	DatagatewayPrefix       string
+	Favorites               bool
 	OCDavPrefix             string
 	OCSPrefix               string
 	OCSSharePrefix          string
diff --git a/storage/pkg/flagset/frontend.go b/storage/pkg/flagset/frontend.go
index e7329dba91..51c7aeb366 100644
--- a/storage/pkg/flagset/frontend.go
+++ b/storage/pkg/flagset/frontend.go
@@ -129,6 +129,13 @@ func FrontendWithConfig(cfg *config.Config) []cli.Flag {
 			EnvVars:     []string{"STORAGE_FRONTEND_DATAGATEWAY_PREFIX"},
 			Destination: &cfg.Reva.Frontend.DatagatewayPrefix,
 		},
+		&cli.BoolFlag{
+			Name:        "favorites",
+			Value:       flags.OverrideDefaultBool(cfg.Reva.Frontend.Favorites, false),
+			Usage:       "announces favorites support to clients",
+			EnvVars:     []string{"STORAGE_FRONTEND_FAVORITES"},
+			Destination: &cfg.Reva.Frontend.Favorites,
+		},
 		&cli.StringFlag{
 			Name:        "ocdav-prefix",
 			Value:       flags.OverrideDefaultString(cfg.Reva.Frontend.OCDavPrefix, ""),