Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

server/channels/app/plugin_statuses.go

@@ -0,0 +1,108 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package app
+
+import (
+	"net/http"
+
+	"github.com/mattermost/mattermost-server/v6/model"
+)
+
+// GetPluginStatus returns the status for a plugin installed on this server.
+func (ch *Channels) GetPluginStatus(id string) (*model.PluginStatus, *model.AppError) {
+	pluginsEnvironment := ch.GetPluginsEnvironment()
+	if pluginsEnvironment == nil {
+		return nil, model.NewAppError("GetPluginStatus", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
+	}
+
+	pluginStatuses, err := pluginsEnvironment.Statuses()
+	if err != nil {
+		return nil, model.NewAppError("GetPluginStatus", "app.plugin.get_statuses.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+	}
+
+	for _, status := range pluginStatuses {
+		if status.PluginId == id {
+			// Add our cluster ID
+			if ch.srv.platform.Cluster() != nil {
+				status.ClusterId = ch.srv.platform.Cluster().GetClusterId()
+			}
+
+			return status, nil
+		}
+	}
+
+	return nil, model.NewAppError("GetPluginStatus", "app.plugin.not_installed.app_error", nil, "", http.StatusNotFound)
+}
+
+// GetPluginStatus returns the status for a plugin installed on this server.
+func (a *App) GetPluginStatus(id string) (*model.PluginStatus, *model.AppError) {
+	return a.ch.GetPluginStatus(id)
+}
+
+// GetPluginStatuses returns the status for plugins installed on this server.
+func (ch *Channels) GetPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	pluginsEnvironment := ch.GetPluginsEnvironment()
+	if pluginsEnvironment == nil {
+		return nil, model.NewAppError("GetPluginStatuses", "app.plugin.disabled.app_error", nil, "", http.StatusNotImplemented)
+	}
+
+	pluginStatuses, err := pluginsEnvironment.Statuses()
+	if err != nil {
+		return nil, model.NewAppError("GetPluginStatuses", "app.plugin.get_statuses.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+	}
+
+	// Add our cluster ID
+	for _, status := range pluginStatuses {
+		if ch.srv.platform.Cluster() != nil {
+			status.ClusterId = ch.srv.platform.Cluster().GetClusterId()
+		} else {
+			status.ClusterId = ""
+		}
+	}
+
+	return pluginStatuses, nil
+}
+
+// GetPluginStatuses returns the status for plugins installed on this server.
+func (a *App) GetPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	return a.ch.GetPluginStatuses()
+}
+
+// GetClusterPluginStatuses returns the status for plugins installed anywhere in the cluster.
+func (a *App) GetClusterPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	return a.ch.getClusterPluginStatuses()
+}
+
+func (ch *Channels) getClusterPluginStatuses() (model.PluginStatuses, *model.AppError) {
+	pluginStatuses, err := ch.GetPluginStatuses()
+	if err != nil {
+		return nil, err
+	}
+
+	if ch.srv.platform.Cluster() != nil && *ch.cfgSvc.Config().ClusterSettings.Enable {
+		clusterPluginStatuses, err := ch.srv.platform.Cluster().GetPluginStatuses()
+		if err != nil {
+			return nil, model.NewAppError("GetClusterPluginStatuses", "app.plugin.get_cluster_plugin_statuses.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+		}
+
+		pluginStatuses = append(pluginStatuses, clusterPluginStatuses...)
+	}
+
+	return pluginStatuses, nil
+}
+
+func (ch *Channels) notifyPluginStatusesChanged() error {
+	pluginStatuses, err := ch.getClusterPluginStatuses()
+	if err != nil {
+		return err
+	}
+
+	// Notify any system admins.
+	message := model.NewWebSocketEvent(model.WebsocketEventPluginStatusesChanged, "", "", "", nil, "")
+	message.Add("plugin_statuses", pluginStatuses)
+	message.GetBroadcast().ContainsSensitiveData = true
+	ch.srv.platform.Publish(message)
+
+	return nil
+}