fix #405 leave msg off error

contact-center/app/src/main/java/com/chatopera/cc/controller/apps/IMController.java

@@ -696,7 +696,7 @@ public class IMController extends Handler {
                 map.addAttribute("title", title);
             }
             if (StringUtils.isNotBlank(traceid)) {
-                map.addAttribute("url", URLEncoder.encode(url,"utf-8"));
+                map.addAttribute("url", URLEncoder.encode(url, "utf-8"));
             }
 
             map.addAttribute("cskefuport", request.getServerPort());
@@ -731,7 +731,11 @@ public class IMController extends Handler {
                     isLeavemsg = true;
                     boolean isInWorkingHours = MainUtils.isInWorkingHours(sessionConfig.getWorkinghours());
                     map.addAttribute("isInWorkingHours", isInWorkingHours);
-                    view = request(super.createView("/apps/im/leavemsg"));
+                    if (invite.isLeavemessage()) {
+                        view = request(super.createView("/apps/im/leavemsg"));
+                    } else {
+                        view = request(super.createView("/apps/im/noagent"));
+                    }
                 } else if (invite.isConsult_info()) {    //启用了信息收集，从Request获取， 或从 Cookies 里去
                     // 验证 OnlineUser 信息
                     if (contacts != null && StringUtils.isNotBlank(

contact-center/app/src/main/resources/templates/apps/im/noagent.pug

+doctype html
+html
+    head
+        meta(charset='utf-8')
+        meta(http-equiv='X-UA-Compatible', content='IE=edge')
+        meta(http-equiv='Cache-Control', content='no-siteapp')
+        meta(name='viewport', content='width=device-width,maximum-scale=1,initial-scale=1,initial-scale=1,user-scalable=no')
+        meta(name='apple-mobile-web-app-capable', content='yes')
+        title 在线咨询
+        link(rel='shortcut icon', type='image/x-icon', href='/images/favicon.ico?t=1489039620156')
+        link(rel='stylesheet', type='text/css', href='/im/css/ukefu.css')
+        link#skin(rel='stylesheet', type='text/css', href='/im/css/default/ukefu.css')
+    body(class={'ukefu-point-text': type == 'text'},style='overflow:hidden;')
+            .large.ukefu-im-theme(class="ukefu-theme-border-" + (type = 'text' ? inviteData.consult_dialog_color : ''))
+                #containter.clearfix
+                    - var dialog_logo=inviteData.consult_dialog_logo?'/res/image.html?id='+inviteData.consult_dialog_logo:'/images/logo.png'
+                    #header(class='theme' + inviteData.consult_dialog_color)
+                        img(src=dialog_logo, style='height:30px;padding:10px;')
+                    .ukef-leavemsg-tip(style='padding-left: 15px;text-align: center;') 没有坐席在线，请稍后再试.
+                        
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