Add custom offline message+api. Part of #1901

controllers/admin/config.go

@@ -141,6 +141,25 @@ func SetServerSummary(w http.ResponseWriter, r *http.Request) {
 	controllers.WriteSimpleResponse(w, true, "changed")
 }
 
+// SetCustomOfflineMessage will set a message to display when the server is offline.
+func SetCustomOfflineMessage(w http.ResponseWriter, r *http.Request) {
+	if !requirePOST(w, r) {
+		return
+	}
+
+	configValue, success := getValueFromRequest(w, r)
+	if !success {
+		return
+	}
+
+	if err := data.SetCustomOfflineMessage(strings.TrimSpace(configValue.Value.(string))); err != nil {
+		controllers.WriteSimpleResponse(w, false, err.Error())
+		return
+	}
+
+	controllers.WriteSimpleResponse(w, true, "changed")
+}
+
 // SetServerWelcomeMessage will handle the web config request to set the welcome message text.
 func SetServerWelcomeMessage(w http.ResponseWriter, r *http.Request) {
 	if !requirePOST(w, r) {

controllers/admin/serverConfig.go

@@ -41,6 +41,7 @@ func GetServerConfig(w http.ResponseWriter, r *http.Request) {
 			ExtraPageContent: data.GetExtraPageBodyContent(),
 			StreamTitle:      data.GetStreamTitle(),
 			WelcomeMessage:   data.GetServerWelcomeMessage(),
+			OfflineMessage:   data.GetCustomOfflineMessage(),
 			Logo:             data.GetLogoPath(),
 			SocialHandles:    data.GetSocialHandles(),
 			NSFW:             data.GetNSFW(),
@@ -126,6 +127,7 @@ type webConfigResponse struct {
 	Name             string                `json:"name"`
 	Summary          string                `json:"summary"`
 	WelcomeMessage   string                `json:"welcomeMessage"`
+	OfflineMessage   string                `json:"offlineMessage"`
 	Logo             string                `json:"logo"`
 	Tags             []string              `json:"tags"`
 	Version          string                `json:"version"`