Fix index pages.(frontend and backend)

app/controllers/admin/galleries_controller.rb

@@ -331,7 +331,7 @@ class Admin::GalleriesController < OrbitAdminController
 
   def show
     @album = Album.find(params[:id])
-    @images = @album.album_images.where(:order => [nil,-1]).desc(:created_at)
+    @images = @album.album_images.where(:order.in => [nil,-1]).desc(:created_at)
     images = @album.album_images.where(:order.gt => -1).asc(:order)
     @images = @images.concat(images)
     image_content = []

app/controllers/galleries_controller.rb

@@ -35,10 +35,28 @@ class GalleriesController < ApplicationController
   end
 
   def index
+    params = OrbitHelper.params
     album_tp = Album.filter_by_categories.filter_by_tags
-    albums_no_order = album_tp.desc(:created_at).select{|v| v.order == -1 || v.order == nil}
-    albums_with_order = album_tp.asc(:order).select{|v| v.order != -1}
-    albums = albums_no_order.concat(albums_with_order)
+    all_count = album_tp.count
+    page_data_count = OrbitHelper.page_data_count
+    no_order_count = album_tp.where(:order.in=>[-1,nil]).count
+    with_order_count = all_count - no_order_count
+    with_order_total_pages = (with_order_count.to_f / page_data_count).ceil
+    albums_with_order = album_tp.asc(:order).where(:order.ne=>-1).and(:order.ne=>nil).to_a rescue []
+    page_no = (params[:page_no] || 1).to_i
+    if page_no < with_order_total_pages
+      albums_no_order = []
+    elsif page_no == with_order_total_pages
+      if albums_with_order.count == page_data_count
+        albums_no_order = []
+      else
+        albums_no_order = album_tp.desc(:created_at).where(:order.in=>[-1,nil])[0...(page_data_count - albums_with_order.count)]
+      end
+    else
+      start_index = (page_data_count - (with_order_count % page_data_count) + page_data_count*(page_no - 1 - with_order_total_pages))
+      albums_no_order = album_tp.desc(:created_at).where(:order.in=>[-1,nil]).page(nil).per(all_count)[start_index...(start_index+page_data_count)].to_a
+    end
+    albums = albums_with_order.concat(albums_no_order)
     galleries = albums.collect do |a|
       doc = Nokogiri::HTML(a.description.to_s)
       alt_text = doc.text.empty? ? 'gallery image' : doc.text