fix deletion of databags in webui

Author: Nuo Yan

chef-server-webui/app/controllers/databags.rb

@@ -47,11 +47,29 @@ def index
   end
 
   def show
-    @databag_name = params[:id]
-    r = Chef::REST.new(Chef::Config[:chef_server_url])
-    @databag = r.get_rest("data/#{params[:id]}")
-    raise NotFound unless @databag
-    display @databag
+    begin
+      @databag_name = params[:id]
+      r = Chef::REST.new(Chef::Config[:chef_server_url])
+      @databag = r.get_rest("data/#{params[:id]}")
+      raise NotFound unless @databag
+      display @databag
+    rescue
+      @databags = Chef::DataBag.list
+      @_message =  { :error => $!}    
+      render :index
+    end 
+  end
+  
+  def destroy
+    begin
+      r = Chef::REST.new(Chef::Config[:chef_server_url])
+      r.delete_rest("data/#{params[:id]}")
+      redirect(absolute_slice_url(:databags), {:message => { :notice => "Data bag #{params[:id]} deleted successfully" }, :permanent => true})
+    rescue
+      @databags = Chef::DataBag.list
+      @_message =  { :error => $!}
+      render :index
+    end 
   end
 
 end

chef-server-webui/app/views/databags/_item_navigation.html.haml

@@ -4,5 +4,5 @@
     %li{ :class => (active == 'create_item' ? "active" : '')}= link_to('Create Item', slice_url(:new_databag_databag_item, :databag_id => @databag_name))
     - if active != 'create' && active != 'index'
       %li{ :class => (active == 'show' ? "active" : '')}= link_to('Show', slice_url(:databag, :id => params[:id]))
-      %li= link_to('Delete', slice_url(:databag, :id => params[:id], :method => "delete", :confirm => "Really delete Databag #{params[:id]}? There is no undo."))
+      %li= link_to('Delete', slice_url(:databag, :id => params[:id]), :method => "delete", :confirm => "Really delete Databag #{params[:id]}? There is no undo.")
   .clear