Add back enable/disable WS events (#9052)

app/plugin.go

@@ -170,6 +170,12 @@ func (a *App) EnablePlugin(id string) *model.AppError {
 		cfg.PluginSettings.PluginStates[id] = &model.PluginState{Enable: true}
 	})
 
+	if manifest.HasClient() {
+		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PLUGIN_ENABLED, "", "", "", nil)
+		message.Add("manifest", manifest.ClientManifest())
+		a.Publish(message)
+	}
+
 	// This call will cause SyncPluginsActiveState to be called and the plugin to be activated
 	if err := a.SaveConfig(a.Config(), true); err != nil {
 		if err.Id == "ent.cluster.save_config.error" {
@@ -208,6 +214,12 @@ func (a *App) DisablePlugin(id string) *model.AppError {
 		cfg.PluginSettings.PluginStates[id] = &model.PluginState{Enable: false}
 	})
 
+	if manifest.HasClient() {
+		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PLUGIN_DISABLED, "", "", "", nil)
+		message.Add("manifest", manifest.ClientManifest())
+		a.Publish(message)
+	}
+
 	if err := a.SaveConfig(a.Config(), true); err != nil {
 		return model.NewAppError("DisablePlugin", "app.plugin.config.app_error", nil, err.Error(), http.StatusInternalServerError)
 	}

app/plugin_install.go

@@ -108,6 +108,12 @@ func (a *App) removePlugin(id string) *model.AppError {
 		return model.NewAppError("removePlugin", "app.plugin.not_installed.app_error", nil, "", http.StatusBadRequest)
 	}
 
+	if a.Plugins.IsActive(id) && manifest.HasClient() {
+		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_PLUGIN_DISABLED, "", "", "", nil)
+		message.Add("manifest", manifest.ClientManifest())
+		a.Publish(message)
+	}
+
 	a.Plugins.Deactivate(id)
 
 	err = os.RemoveAll(pluginPath)

model/websocket_message.go

@@ -44,7 +44,9 @@ const (
 	WEBSOCKET_EVENT_RESPONSE                = "response"
 	WEBSOCKET_EVENT_EMOJI_ADDED             = "emoji_added"
 	WEBSOCKET_EVENT_CHANNEL_VIEWED          = "channel_viewed"
-	WEBSOCKET_EVENT_PLUGIN_STATUSES_CHANGED = "plugin_statuses_changed" // EXPERIMENTAL - SUBJECT TO CHANGE
+	WEBSOCKET_EVENT_PLUGIN_STATUSES_CHANGED = "plugin_statuses_changed"
+	WEBSOCKET_EVENT_PLUGIN_ENABLED          = "plugin_enabled"
+	WEBSOCKET_EVENT_PLUGIN_DISABLED         = "plugin_disabled"
 	WEBSOCKET_EVENT_ROLE_UPDATED            = "role_updated"
 	WEBSOCKET_EVENT_LICENSE_CHANGED         = "license_changed"
 	WEBSOCKET_EVENT_CONFIG_CHANGED          = "config_changed"