PLT-6882 Disable /invite_people when account creation is set to false (#6709)

* PLT-6882 Disable /invite_people when account creation is set to false

* Disable /invite_people when account creation or email notifications are set to false

app/command_invite_people.go

@@ -28,9 +28,13 @@ func (me *InvitePeopleProvider) GetTrigger() string {
 }
 
 func (me *InvitePeopleProvider) GetCommand(T goi18n.TranslateFunc) *model.Command {
+	autoComplete := true
+	if !utils.Cfg.EmailSettings.SendEmailNotifications || !utils.Cfg.TeamSettings.EnableUserCreation {
+		autoComplete = false
+	}
 	return &model.Command{
 		Trigger:          CMD_INVITE_PEOPLE,
-		AutoComplete:     true,
+		AutoComplete:     autoComplete,
 		AutoCompleteDesc: T("api.command.invite_people.desc"),
 		AutoCompleteHint: T("api.command.invite_people.hint"),
 		DisplayName:      T("api.command.invite_people.name"),
@@ -42,6 +46,10 @@ func (me *InvitePeopleProvider) DoCommand(args *model.CommandArgs, message strin
 		return &model.CommandResponse{ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL, Text: args.T("api.command.invite_people.email_off")}
 	}
 
+	if !utils.Cfg.TeamSettings.EnableUserCreation {
+		return &model.CommandResponse{ResponseType: model.COMMAND_RESPONSE_TYPE_EPHEMERAL, Text: args.T("api.command.invite_people.invite_off")}
+	}
+
 	emailList := strings.Fields(message)
 
 	for i := len(emailList) - 1; i >= 0; i-- {

i18n/en.json

@@ -451,6 +451,10 @@
     "id": "api.command.invite_people.email_off",
     "translation": "Email has not been configured, no invite(s) sent"
   },
+  {
+    "id": "api.command.invite_people.invite_off",
+    "translation": "User creation has been disabled on this server, no invite(s) sent"
+  },
   {
     "id": "api.command.invite_people.fail",
     "translation": "Encountered an error sending email invite(s)"