Better updating of versions#index.

TODO

@@ -3,4 +3,3 @@
   is thrown (see test/unit/mailbox_test.rb:57):
   SQLite3::ConstraintException: UNIQUE constraint failed: relocations.mailbox_id: INSERT INTO "relocations" ("created_at", "mailbox_id", "old_domain", "old_username", "updated_at") VALUES (?, ?, ?, ?, ?)
 * Relocation daemon.
-* Make auto-refresh in changes index configurable.

app/assets/javascripts/changes_updates.js.coffee

@@ -0,0 +1,24 @@
+update = ->
+  table = $('table.changes')
+  o = table.find('tr.version:first')
+
+  uri = table.data('uri') + '?since=' + o.data('id')
+
+  $.get uri, (data) ->
+    unless data == ' '
+      table.find('tbody').prepend(data)
+
+      n = table.find('tr.version:first')
+      n.hide()
+      n.fadeIn()
+
+      table.find('tr.version:last').remove()
+
+  enqueue()
+
+enqueue = ->
+  setTimeout update, 10000
+
+$ ->
+  if $('table.changes').length && !document.URL.contains('?page=')
+    enqueue()

app/controllers/admin/versions_controller.rb

@@ -20,4 +20,11 @@ def revert
       redirect_to [:admin, :versions], flash: { error: "Impossible to revert #{@version.event}." }
     end
   end
+
+  # Return versions since an id rendered as HTML.
+  def updates
+    since = params[:since].to_i || 0
+    @versions = Version.where('id > ?', since).order('created_at desc')
+    render @versions
+  end
 end

app/views/admin/versions/_modal.html.haml

@@ -15,5 +15,5 @@
         = summarize_changes version.object_changes
       .modal-footer
         - if ['update', 'destroy'].include? version.event
-          = link_to 'Revert', [:admin, :revert, version], class: 'btn btn-danger', method: :post
+          = link_to 'Revert', [:revert, :admin, version], class: 'btn btn-danger', method: :post
         = button_tag 'Close', class: 'btn btn-default', :'data-dismiss' => 'modal'

app/views/admin/versions/_version.html.haml

@@ -1,4 +1,4 @@
-%tr
+%tr{class: 'version', :'data-id' => version.id}
   %td= icon_for_event version.event
   %td= version.item_type
   %td= link_to_object version

app/views/admin/versions/index.html.haml

@@ -1,7 +1,7 @@
 .page-header
   %h1 Changes
 
-%table.table.table-striped
+%table.table.table-striped.changes{:'data-uri' => updates_admin_versions_path}
   %thead
     %th Action
     %th Type

config/routes.rb

@@ -10,8 +10,10 @@
       resources :mailboxes, except: :show
       resources :permissions, except: :show
     end
-    resources :versions, only: :index
-    post 'versions/:id/revert' => 'versions#revert', as: 'revert_version'
+    resources :versions, only: :index do
+      get 'updates', on: :collection
+      post 'revert', on: :member
+    end
     post 'search' => 'searches#search'
   end