From fbff94f3be1bf596f2b94f593687d3b162413de9 Mon Sep 17 00:00:00 2001
From: Jesse Hallam <jesse.hallam@gmail.com>
Date: Mon, 5 Mar 2018 07:18:22 -0500
Subject: MM-8604: emit config/license websocket events (#8371)

---
 app/app.go         | 18 +++++++++++++++++-
 app/config.go      | 15 +++++++++++++++
 app/config_test.go | 10 ++++++++++
 3 files changed, 42 insertions(+), 1 deletion(-)

(limited to 'app')

diff --git a/app/app.go b/app/app.go
index 26aed4c73..f5e5dd21e 100644
--- a/app/app.go
+++ b/app/app.go
@@ -131,8 +131,24 @@ func New(options ...Option) (outApp *App, outErr error) {
 
 	app.configListenerId = app.AddConfigListener(func(_, _ *model.Config) {
 		app.configOrLicenseListener()
+
+		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_CONFIG_CHANGED, "", "", "", nil)
+
+		message.Add("config", app.ClientConfigWithNoAccounts())
+		app.Go(func() {
+			app.Publish(message)
+		})
+	})
+	app.licenseListenerId = app.AddLicenseListener(func() {
+		app.configOrLicenseListener()
+
+		message := model.NewWebSocketEvent(model.WEBSOCKET_EVENT_LICENSE_CHANGED, "", "", "", nil)
+		message.Add("license", app.GetSanitizedClientLicense())
+		app.Go(func() {
+			app.Publish(message)
+		})
+
 	})
-	app.licenseListenerId = app.AddLicenseListener(app.configOrLicenseListener)
 	app.regenerateClientConfig()
 	app.setDefaultRolesBasedOnConfig()
 
diff --git a/app/config.go b/app/config.go
index 35a0c9a3f..460d580d8 100644
--- a/app/config.go
+++ b/app/config.go
@@ -14,6 +14,7 @@ import (
 	"fmt"
 	"net/url"
 	"runtime/debug"
+	"strconv"
 	"strings"
 
 	l4g "github.com/alecthomas/log4go"
@@ -34,6 +35,7 @@ func (a *App) UpdateConfig(f func(*model.Config)) {
 	updated := old.Clone()
 	f(updated)
 	a.config.Store(updated)
+
 	a.InvokeConfigListeners(old, updated)
 }
 
@@ -269,3 +271,16 @@ func (a *App) GetCookieDomain() string {
 func (a *App) GetSiteURL() string {
 	return a.siteURL
 }
+
+// ClientConfigWithNoAccounts gets the configuration in a format suitable for sending to the client.
+func (a *App) ClientConfigWithNoAccounts() map[string]string {
+	respCfg := map[string]string{}
+	for k, v := range a.ClientConfig() {
+		respCfg[k] = v
+	}
+
+	// NoAccounts is not actually part of the configuration, but is expected by the client.
+	respCfg["NoAccounts"] = strconv.FormatBool(a.IsFirstUserAccount())
+
+	return respCfg
+}
diff --git a/app/config_test.go b/app/config_test.go
index 5ee999f0f..051fa8fd8 100644
--- a/app/config_test.go
+++ b/app/config_test.go
@@ -63,3 +63,13 @@ func TestAsymmetricSigningKey(t *testing.T) {
 	assert.NotNil(t, th.App.AsymmetricSigningKey())
 	assert.NotEmpty(t, th.App.ClientConfig()["AsymmetricSigningPublicKey"])
 }
+
+func TestClientConfigWithNoAccounts(t *testing.T) {
+	th := Setup().InitBasic()
+	defer th.TearDown()
+
+	config := th.App.ClientConfigWithNoAccounts()
+	if _, ok := config["NoAccounts"]; !ok {
+		t.Fatal("expected NoAccounts in returned config")
+	}
+}
-- 
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