Fivell · April 9, 2015 18:07 · Apr 9, 2015
diff --git a/active_admin_active_resource.rb b/active_admin_active_resource.rb
@@ -0,0 +1,43 @@
+module ActiveAdmin
+  module Filters
+    module FormtasticAddons
+      alias :old_seems_searchable? :seems_searchable?
+      def seems_searchable?
+        return false if ransacker?
+        old_seems_searchable?
+      end
+
+      def klass
+        @object.try(:object).try(:klass)
+      end
+
+      def ransacker?
+        klass.try(:_ransackers).try(:key?, method.to_s)
+      end
+
+      def scope?
+        context = Ransack::Context.for klass rescue nil
+        context.respond_to?(:ransackable_scope?) && context.ransackable_scope?(method.to_s, klass)
+      end
+    end
+  end
+end
+
+module ActiveAdmin
+  module Helpers
+    module Collection
+
+      def collection_size(c = collection)
+        if c.is_a? ActiveRecord::Relation
+          c = c.except :select, :order
+          c.group_values.present? ? c.count.count : c.count
+        else
+          c.respond_to?(:count) ? c.count : 0
+        end
+      end
+
+    end
+  end
+end
+
+
diff --git a/payment.rb b/payment.rb
@@ -0,0 +1,40 @@
+class Payment <  MyActiveResource
+
+  schema do
+    attribute 'customer_id', :integer
+    attribute 'amount', :integer
+    attribute 'created_at', :string
+    attribute 'success', :boolean
+  end
+
+  def self.column_names
+    content_columns
+  end
+
+  def self.content_columns
+    if @content_columns.nil?
+      @content_columns = Array.new
+      known_attributes.each do |name|
+        @content_columns << ResourceColumn.new(name)
+      end
+    end
+    @content_columns
+  end
+
+  def self.columns
+    content_columns
+  end
+
+  class ResourceColumn
+    attr_reader :name
+
+    def initialize(name)
+      @name = name
+    end
+
+    def type
+      :string
+    end
+  end
+
+end
diff --git a/resource_example.rb b/resource_example.rb
@@ -0,0 +1,25 @@
+ActiveAdmin.register Payment do
+
+  actions :index
+  config.batch_actions = false
+  filter :created_at_gteq, as: :date_time_picker
+
+  controller do  
+
+    def find_collection
+      @search = OpenStruct.new(params[:q] || {})
+      result = Payment.find(:all, params: {
+                order: params.fetch(:order, 'created_at_desc'),
+                page: params.fetch(:page, 1),
+                per_page: params.fetch(:per_page, 50),
+                q: params[:q] || {}
+              })
+      #this uses https://github.com/Fivell/activeresource-response,
+      # but can be replaced with other  ActiveResource pagination implementation
+      limit = result.http_response['X-Limit-Value'].to_i
+      offset = result.http_response['X-Offset-Value'].to_i
+      total = result.http_response['X-Total-Count'].to_i
+      Kaminari.paginate_array(result, limit: limit, offset: offset, total_count: total)
+    end
+  end    
+end
No results found