feat(license): expose enabled_pro_features on /info

pkg/license/license.go

@@ -35,6 +35,7 @@ package license
 import (
 	"encoding/json"
 	"fmt"
+	"sort"
 	"sync"
 	"time"
 
@@ -192,6 +193,26 @@ func Init() {
 	go backgroundLoop(key)
 }
 
+// EnabledProFeatures returns the string keys of all currently enabled licensed features.
+// Returns an empty slice in free mode.
+func EnabledProFeatures() []string {
+	currentState.mu.RLock()
+	defer currentState.mu.RUnlock()
+	if !currentState.licensed {
+		return []string{}
+	}
+	out := make([]string, 0, len(currentState.features))
+	for f, on := range currentState.features {
+		if !on {
+			continue
+		}
+		name := f.String()
+		out = append(out, name)
+	}
+	sort.Strings(out)
+	return out
+}
+
 // IsFeatureEnabled returns whether a specific licensed feature is enabled.
 func IsFeatureEnabled(feature Feature) bool {
 	currentState.mu.RLock()

pkg/routes/api/v1/info.go

@@ -20,6 +20,7 @@ import (
 	"net/http"
 
 	"code.vikunja.io/api/pkg/config"
+	"code.vikunja.io/api/pkg/license"
 	"code.vikunja.io/api/pkg/log"
 	"code.vikunja.io/api/pkg/modules/auth/openid"
 	csvmigrator "code.vikunja.io/api/pkg/modules/migration/csv"
@@ -54,6 +55,7 @@ type vikunjaInfos struct {
 	DemoModeEnabled            bool      `json:"demo_mode_enabled"`
 	WebhooksEnabled            bool      `json:"webhooks_enabled"`
 	PublicTeamsEnabled         bool      `json:"public_teams_enabled"`
+	EnabledProFeatures         []string  `json:"enabled_pro_features"`
 }
 
 type authInfo struct {
@@ -105,6 +107,7 @@ func Info(c *echo.Context) error {
 		DemoModeEnabled:        config.ServiceDemoMode.GetBool(),
 		WebhooksEnabled:        config.WebhooksEnabled.GetBool(),
 		PublicTeamsEnabled:     config.ServiceEnablePublicTeams.GetBool(),
+		EnabledProFeatures:     license.EnabledProFeatures(),
 		AvailableMigrators: []string{
 			(&vikunja_file.FileMigrator{}).Name(),
 			(&ticktick.Migrator{}).Name(),