Refactor zones

- Rename "zonefile_setting" to "zone"
- Remove version

#475

app/views/admin/dns/zones/_form.haml

@@ -0,0 +1,79 @@
+= form_for [:admin, zone], html: { class: 'form-horizontal' } do |f|
+  .row
+    .col-md-8
+      #domain-statuses
+        = render 'shared/full_errors', object: f.object
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :origin
+          .col-md-8
+            - if zone.persisted?
+              = f.text_field :origin, class: 'form-control', disabled: true
+            - else
+              = f.text_field :origin, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :ttl
+          .col-md-8
+            = f.text_field :ttl, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :refresh
+          .col-md-8
+            = f.text_field :refresh, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :retry
+          .col-md-8
+            = f.text_field :retry, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :expire
+          .col-md-8
+            = f.text_field :expire, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :minimum_ttl
+          .col-md-8
+            = f.text_field :minimum_ttl, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :email
+          .col-md-8
+            = f.text_field :email, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :master_nameserver
+          .col-md-8
+            = f.text_field :master_nameserver, class: 'form-control'
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :ns_records
+          .col-md-8
+            = f.text_area :ns_records, class: 'form-control', rows: 8
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :a_records
+          .col-md-8
+            = f.text_area :a_records, class: 'form-control', rows: 8
+
+        .form-group
+          .col-md-4.control-label
+            = f.label :a4_records, t(:a4_records)
+          .col-md-8
+            = f.text_area :a4_records, class: 'form-control', rows: 8
+
+  %hr
+  .row
+    .col-md-8.text-right
+      %button.btn.btn-success= t(".#{zone.new_record? ? 'create' : 'update'}_btn")

app/views/admin/dns/zones/_zone.html.erb

@@ -0,0 +1,9 @@
+<tr>
+    <td><%= zone.origin %></td>
+    <td>
+        <%= link_to t('.edit_btn'), edit_admin_zone_path(zone), class: 'btn btn-xs btn-primary' %>
+        <%= link_to t('.generate_zone_file_btn'),
+                    admin_zonefiles_path(origin: zone.origin),
+                    method: 'post', class: 'btn btn-xs btn-primary' %>
+    </td>
+</tr>

app/views/admin/dns/zones/edit.html.erb

@@ -0,0 +1,20 @@
+<ol class="breadcrumb">
+    <li><%= link_to t('admin.dns.zones.index.title'), admin_zones_path %></li>
+</ol>
+
+<div class="page-header">
+    <div class="row">
+        <div class="col-sm-10">
+            <h1><%= t '.title' %></h1>
+        </div>
+
+        <div class="col-sm-2 text-right">
+            <%= link_to(t('.delete_btn'), admin_zone_path(@zone),
+                        method: :delete,
+                        data: { confirm: t('.delete_btn_confirm') },
+                        class: 'btn btn-danger') %>
+        </div>
+    </div>
+</div>
+
+<%= render 'form', zone: @zone %>

app/views/admin/dns/zones/index.html.erb

@@ -0,0 +1,28 @@
+<div class="page-header">
+    <div class="row">
+        <div class="col-sm-10">
+            <h1><%= t '.title' %></h1>
+        </div>
+
+        <div class="col-sm-2 text-right">
+            <%= link_to t('.new_btn'), new_admin_zone_path, class: 'btn btn-primary' %>
+        </div>
+    </div>
+</div>
+
+<% if @zones.present? %>
+    <table class="table table-hover table-bordered table-wrapped">
+        <thead>
+            <tr>
+                <th><%= DNS::Zone.human_attribute_name :origin %></th>
+                <th></th>
+            </tr>
+        </thead>
+
+        <tbody>
+            <%= render @zones %>
+        </tbody>
+    </table>
+<% else %>
+    <div class="alert alert-info"><%= t '.not_found' %></div>
+<% end %>

app/views/admin/dns/zones/new.html.erb

@@ -0,0 +1,9 @@
+<ol class="breadcrumb">
+    <li><%= link_to t('admin.dns.zones.index.title'), admin_zones_path %></li>
+</ol>
+
+<div class="page-header">
+    <h1><%= t '.title' %></h1>
+</div>
+
+<%= render 'form', zone: @zone %>