Cloud Freemium - Integrations (#20185)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

app/plugin.go

@@ -156,6 +156,10 @@ func (ch *Channels) syncPluginsActiveState() {
 	if err := ch.notifyPluginStatusesChanged(); err != nil {
 		mlog.Warn("failed to notify plugin status changed", mlog.Err(err))
 	}
+
+	if err := ch.notifyIntegrationsUsageChanged(); err != nil {
+		mlog.Warn("Failed to notify integrations usage changed", mlog.Err(err))
+	}
 }
 
 func (a *App) NewPluginAPI(c *request.Context, manifest *model.Manifest) plugin.API {
@@ -370,6 +374,11 @@ func (a *App) GetActivePluginManifests() ([]*model.Manifest, *model.AppError) {
 // activation if inactive anywhere in the cluster.
 // Notifies cluster peers through config change.
 func (a *App) EnablePlugin(id string) *model.AppError {
+	appErr := a.checkIfIntegrationsMeetFreemiumLimits([]string{id})
+	if appErr != nil {
+		return appErr
+	}
+
 	return a.ch.enablePlugin(id)
 }
 
@@ -416,7 +425,12 @@ func (ch *Channels) enablePlugin(id string) *model.AppError {
 // DisablePlugin will set the config for an installed plugin to disabled, triggering deactivation if active.
 // Notifies cluster peers through config change.
 func (a *App) DisablePlugin(id string) *model.AppError {
-	return a.ch.disablePlugin(id)
+	appErr := a.ch.disablePlugin(id)
+	if appErr != nil {
+		return appErr
+	}
+
+	return nil
 }
 
 func (ch *Channels) disablePlugin(id string) *model.AppError {
@@ -457,6 +471,20 @@ func (ch *Channels) disablePlugin(id string) *model.AppError {
 	return nil
 }
 
+func (ch *Channels) notifyIntegrationsUsageChanged() *model.AppError {
+	usage, appErr := ch.getIntegrationsUsage()
+	if appErr != nil {
+		return appErr
+	}
+
+	message := model.NewWebSocketEvent(model.WebsocketEventIntegrationsUsageChanged, "", "", "", nil)
+	message.Add("usage", usage)
+	message.GetBroadcast().ContainsSensitiveData = true
+	ch.Publish(message)
+
+	return nil
+}
+
 func (a *App) GetPlugins() (*model.PluginsResponse, *model.AppError) {
 	pluginsEnvironment := a.GetPluginsEnvironment()
 	if pluginsEnvironment == nil {
@@ -1064,12 +1092,12 @@ func getIcon(iconPath string) (string, error) {
 
 func (ch *Channels) getPluginStateOverride(pluginID string) (bool, bool) {
 	switch pluginID {
-	case "com.mattermost.apps":
+	case model.PluginIdApps:
 		// Tie Apps proxy disabled status to the feature flag.
 		if !ch.cfgSvc.Config().FeatureFlags.AppsEnabled {
 			return true, false
 		}
-	case "com.mattermost.calls":
+	case model.PluginIdCalls:
 		if model.IsCloud() {
 			return true, ch.cfgSvc.Config().FeatureFlags.CallsEnabled
 		}