now new albums and images are sorted by created date and are on the top. also modified loading new images

app/assets/javascripts/gallery.js

@@ -243,6 +243,8 @@ $(function() {
 	})
 
     // 
+
+    var last_image_id = null;
 	$('.add-imgs').on({
 		click: function() {
 			$('#fileupload').slideToggle(300, function() {
@@ -250,6 +252,14 @@ $(function() {
 					$('.add-imgs').html('<i class="icons-cross-2"></i> Close panel');
 					$('.rgbody').stop(true, false).animate({'padding-bottom': 280}, 300);
 					$("#edit-order-btn").hide();
+					$.ajax({
+						url : "/admin/galleries/last_image_id",
+						data : {"albumid" : $("#fileupload_aid").val()},
+						dataType : "json",
+						type : "get"
+					}).done(function(d){
+						last_image_id = d.last_image_id;
+					})
 				} else {
 					$('.add-imgs').html('<i class="icons-plus"></i> Add Image');
 					$('.files').empty()
@@ -263,20 +273,19 @@ $(function() {
 		}
 	});
 	var fetchNewImages = function(){
-		var lastid = ( $("li.rgalbum:last").length ? $("li.rgalbum:last").data("image-id") : null),
-			albumid = $("#fileupload_aid").val();
+		var albumid = $("#fileupload_aid").val();
 			
 		$.getJSON('/admin/galleries/get_photoData_json?id='+albumid, function(json, textStatus) {
 			photosData = json;
 		});
 
 		$.ajax({
-			url : "/admin/new_images",
-			data : {"last_image_id" : lastid, "album_id" : albumid},
+			url : "/admin/galleries/new_images",
+			data : {"last_image_id" : last_image_id, "album_id" : albumid},
 			success : function(data){
 				var $e = $(data);
 				$imgs = $e.find("img");
-				$("#imgholder").append($e);
+				$("#imgholder").prepend($e);
 				$os = $e.find("a.open");
 				$os.pageslide({
 					loadComplete: function(instance,elem) {

app/controllers/admin/galleries_controller.rb

@@ -4,13 +4,17 @@ class Admin::GalleriesController < OrbitAdminController
   before_action :log_user_action
   layout "back_end"
   def index
-    @albums = Album.all.asc(:order)
+    @albums = Album.where(:order => -1).desc(:created_at)
+    albums = Album.where(:order.gt => -1).asc(:order)
+    @albums = @albums.concat(albums)
      @tags = @module_app.tags
   end
 
   def show
     @album = Album.find(params[:id])
-    @images = @album.album_images.asc(:order)
+    @images = @album.album_images.where(:order => -1).desc(:created_at)
+    images = @album.album_images.where(:order.gt => -1).asc(:order)
+    @images = @images.concat(images)
     image_content = []
     @images.each do |image|
       image_content << {"id" => image.id.to_s, "description" => image.description_translations,"tags" => image.tags.collect{|t| t.id.to_s}}
@@ -61,7 +65,9 @@ class Admin::GalleriesController < OrbitAdminController
 
   def get_photoData_json
     @album = Album.find(params[:id])
-    @images = @album.album_images
+     @images = @album.album_images.where(:order => -1).desc(:created_at)
+    images = @album.album_images.where(:order.gt => -1).asc(:order)
+     @images = @images.concat(images)
     image_content = []
     @images.each do |image|
       image_content << {"id" => image.id.to_s, "description" => image.description_translations,"tags" => image.tags.collect{|t| t.id.to_s}}
@@ -158,17 +164,20 @@ class Admin::GalleriesController < OrbitAdminController
     render :json=>{"files"=>a}.to_json
   end
 
+  def last_image_id
+    album = Album.find(params[:albumid])
+    lastimage = album.album_images.last
+    render :json => {"last_image_id" => lastimage.id.to_s}.to_json
+  end
+
   def new_images 
-
-    if params[:last_image_id] != ""
-      @lastimage = AlbumImage.find(params[:last_image_id])
-      @album = Album.find(params[:album_id])
-      @newimages = @album.album_images.where(:created_at.gt => @lastimage.created_at)
+    @album = Album.find(params[:album_id])
+    if params[:last_image_id].present?
+      lastimage = AlbumImage.find(params[:last_image_id])
+      @newimages = @album.album_images.where(:created_at.gt => lastimage.created_at,:order => -1).desc(:created_at)
     else
-      @album = Album.find(params[:album_id])
-      @newimages = @album.album_images
+      @newimages = @album.album_images.where(:order => -1).desc(:created_at)
     end
-
     render :layout=>false
   end
 

app/models/album.rb

@@ -13,7 +13,7 @@ class Album
   field :tag_names
   field :uid, type: String
   field :rss2_id, type: String
-  field :order, type: Integer, default: 0
+  field :order, type: Integer, default: -1
 
 	# has_and_belongs_to_many :tags, :class_name => "GalleryTag"
   has_many :album_images, :autosave => true, :dependent => :destroy

app/models/album_image.rb

@@ -9,7 +9,7 @@ class AlbumImage
 	field :title
 	field :description, localize: true
 	field :rss2_id, type: String
-	field :order, type: Integer, default: 0
+	field :order, type: Integer, default: -1
 
 	# has_and_belongs_to_many :tags, :class_name => "GalleryTag"
 

config/routes.rb

@@ -7,18 +7,21 @@ Rails.application.routes.draw do
      namespace :admin do
         get "galleries/get_photoData_json" => "galleries#get_photoData_json"
 
+        get "galleries/new_images" => "galleries#new_images"
+        get "galleries/last_image_id" => "galleries#last_image_id"
+        post "galleries/set_cover" => "galleries#set_cover"
+        post "galleries/delete_photos" => "images#delete_photos"
+        post "galleries/update_image" => "images#update_image"
+        post "galleries/image_tagging" => "images#image_tagging"
+        post "galleries/order" => "images#changeorder"
+
        	resources :galleries do
            get "imgs" => "galleries#imgs"
         end
        	resources :images
        	post "galleries/upload_image" => "galleries#upload_image"
         
-        get "new_images" => "galleries#new_images"
-        post "galleries/set_cover" => "galleries#set_cover"
-        post "galleries/delete_photos" => "images#delete_photos"
-        post "galleries/update_image" => "images#update_image"
-        post "galleries/image_tagging" => "images#image_tagging"
-        post "galleries/order" => "images#changeorder"
+     
         # match "image_tagging" => "album_images#image_tagging"
      end
    end