Refactor: move duplicated nav code to head_layout

src/views/controller_layout.pug

@@ -5,32 +5,13 @@
 
 extends head_layout
 
-mixin nav_item(name, displayName, href)
+block nav_items
-  li(class=((navigate && navigate.active === name) ? 'active' : ''))
+  +nav_item('controller_home', 'Home', '/controller')
-    a(href=href) #{displayName}
+  +nav_item('users', 'Users', '/users')
+  +nav_item('networks', 'Networks', '/controller/networks')
+  +nav_item('add_network', 'Add network', '/controller/network/create')
 
 block body_content
-  nav.navbar.navbar-inverse.navbar-fixed-top
-    .container-fluid
-      .navbar-header
-        button.navbar-toggle(type='button' data-toggle='collapse' data-target='#BarNav')
-          span.icon-bar
-          span.icon-bar
-          span.icon-bar
-        a.navbar-brand(href='https://zt.yuuza.net' target='_blank')
-          | ZT.Yuuza
-      .collapse.navbar-collapse(id='BarNav')
-        ul.nav.navbar-nav
-          +nav_item('controller_home', 'Home', '/controller')
-          +nav_item('users', 'Users', '/users')
-          +nav_item('networks', 'Networks', '/controller/networks')
-          +nav_item('add_network', 'Add network', '/controller/network/create')
-        ul.nav.navbar-nav.navbar-right
-          li
-            a(href='/logout')
-              span.glyphicon.glyphicon-log-out
-              |  Logout
-
   .container(style='margin: 50px auto 20px')
     .row
       .col-sm-12

src/views/head_layout.pug

@@ -3,6 +3,10 @@
   Copyright (C) 2017-2018  Key Networks (https://key-networks.com)
   Licensed under GPLv3 - see LICENSE for details.
 
+mixin nav_item(name, displayName, href)
+  li(class=((navigate && navigate.active === name) ? 'active' : ''))
+    a(href=href) #{displayName}
+
 doctype html
 html(lang='en')
   head
@@ -14,4 +18,22 @@ html(lang='en')
     script(src='/jqjs/jquery.min.js')
     script(src='/bsjs/bootstrap.min.js')
   body
-    block body_content
+    nav.navbar.navbar-inverse.navbar-fixed-top
+      .container-fluid
+        .navbar-header
+          button.navbar-toggle(type='button' data-toggle='collapse' data-target='#BarNav')
+            span.icon-bar
+            span.icon-bar
+            span.icon-bar
+          a.navbar-brand(href='https://zt.yuuza.net' target='_blank')
+            | ZT.Yuuza
+        .collapse.navbar-collapse(id='BarNav')
+          ul.nav.navbar-nav
+            block nav_items
+          ul.nav.navbar-nav.navbar-right
+            li
+              block nav_login
+                a(href='/logout')
+                  span.glyphicon.glyphicon-log-out
+                  |  Logout
+    block body_content

src/views/login_layout.pug

@@ -5,23 +5,12 @@
 
 extends head_layout
 
-block body_content
+block nav_login
-  nav.navbar.navbar-inverse.navbar-fixed-top
+  a(href='/login')
-    .container-fluid
+    span.glyphicon.glyphicon-log-in
-      .navbar-header
+    |  Login
-        button.navbar-toggle(type='button' data-toggle='collapse' data-target='#BarNav')
-          span.icon-bar
-          span.icon-bar
-          span.icon-bar
-        a.navbar-brand(href='https://zt.yuuza.net' target='_blank')
-          | ZT.Yuuza
-      .collapse.navbar-collapse(id='BarNav')
-        ul.nav.navbar-nav.navbar-right
-          li
-            a(href='/login')
-              span.glyphicon.glyphicon-log-in
-              |  Login
 
+block body_content
   .container(style='margin-top:50px')
     .row
       .col-sm-12

src/views/users_layout.pug

@@ -5,30 +5,13 @@
 
 extends head_layout
 
-block body_content
+block nav_items
-  nav.navbar.navbar-inverse.navbar-fixed-top
+  +nav_item('controller_home', 'Home', '/controller')
-    .container-fluid
+  +nav_item('users', 'Users', '/users')
-      .navbar-header
+  +nav_item('networks', 'Networks', '/controller/networks')
-        button.navbar-toggle(type='button' data-toggle='collapse' data-target='#BarNav')
+  +nav_item('create_user', 'Create user', '/users/create')
-          span.icon-bar
-          span.icon-bar
-          span.icon-bar
-        a.navbar-brand(href='https://zt.yuuza.net' target='_blank')
-          | ZT.Yuuza
-      .collapse.navbar-collapse(id='BarNav')
-        ul.nav.navbar-nav
-          li(class=(navigate.active === 'home'? 'active' : ''))
-            a(href='/controller') Home
-          li(class=(navigate.active === 'users'? 'active' : ''))
-            a(href='/users') Users
-          li(class=(navigate.active === 'create_user'? 'active' : ''))
-            a(href='/users/create') Create user
-        ul.nav.navbar-nav.navbar-right
-          li
-            a(href='/logout')
-              span.glyphicon.glyphicon-log-out
-              |  Logout
 
+block body_content
   .container(style='margin-top:50px')
     .row
       .col-sm-12