Fix preview feature.

app/controllers/admin/news_controller.rb

@@ -112,6 +112,12 @@ class Admin::NewsController < OrbitAdminController
   def update
     uid = params[:id].split('-').last
     news_bulletin = NewsBulletin.where(:uid=>uid).first rescue nil
+    NewsBulletin.where(:copy_id=>news_bulletin.id.to_s).destroy
+    news_bulletin.is_edit = true
+    news_bulletin.save
+    set_approved = news_bulletin.is_preview
+    news_bulletin = news_bulletin.get_org_model
+    news_bulletin.approved = true if set_approved
     news_bulletin_params[:tags] = news_bulletin_params[:tags].blank? ? [] : news_bulletin_params[:tags]
     news_bulletin_params[:email_member_ids] = news_bulletin_params[:email_member_ids].blank? ? [] : news_bulletin_params[:email_member_ids]
 
@@ -207,6 +213,7 @@ class Admin::NewsController < OrbitAdminController
       news_bulletin_data.delete('news_bulletin_files_attributes')
       news_bulletin_data.delete('news_bulletin_links_attributes')
       news_bulletin.update_attributes(news_bulletin_data)
+      news_bulletin.copy_id = params['news_bulletin_id']
     else
       news_bulletin = NewsBulletin.new(news_bulletin_params)
     end
@@ -215,7 +222,18 @@ class Admin::NewsController < OrbitAdminController
     news_bulletin.save
     render :text=>page_for_news_bulletin(news_bulletin)
   end
-
+  def get_preview_action
+    news_bulletin = NewsBulletin.find_by(:uid=>params['uid'])
+    is_not_edit = (!news_bulletin.is_edit)
+    org_bulletin = news_bulletin.get_org_model
+    NewsBulletin.where(:copy_id=>org_bulletin.id.to_s).destroy
+    if is_not_edit
+      news_bulletin.destroy
+      render :json=> {:success=>true,:action=>"close"}
+    else
+      render :json=> {:success=>true,:action=>"redirect",:path=>edit_admin_news_path(:id=>org_bulletin.id)}
+    end
+  end
   def destroy_preview
     news_bulletin = NewsBulletin.find_by(:uid=>params['uid'])
     if news_bulletin.is_preview

app/models/news_bulletin.rb

@@ -9,6 +9,9 @@ class NewsBulletin
   include OrbitCategory::Categorizable
   include Slug
 
+  field :is_edit, type: Boolean, default: false #use to check whether the preview record changed
+  field :copy_id
+
   field :title, as: :slug_title, type: String, localize: true
   field :subtitle, localize: true
   field :text, localize: true
@@ -57,6 +60,18 @@ class NewsBulletin
   scope :can_display_postdate, ->{where(:is_hidden=>false,:postdate.lt=>Time.now).order_by([:is_top, :desc])}
   scope :is_approved, ->{where(:approved => true)}
 
+  def get_org_model
+    if self.is_preview
+      org_model = nil
+      if self.copy_id
+        org_model = self.class.find(self.copy_id) rescue nil
+      end
+      org_model.nil? ? self : org_model
+    else
+      self
+    end
+  end
+
   def update_user
     User.find(update_user_id) rescue nil
   end

app/views/admin/news/_form.html.erb

@@ -400,11 +400,26 @@
           processData: false,
           contentType: false
         }).done(function(data){
+          if(window.location.protocol === "https:"){
+            data = data.replace("http:","https:");
+          }
+          window.preview_news_uid = data.split("-").slice(-1)[0].split("?")[0];
           $('.modal-body iframe').attr('src',data);
           $('#show_preview .modal').modal();
           $('#show_preview .modal').height(function() {
             return $(window).height() * 0.7;
           });
+          $('#show_preview .modal').on('hidden.bs.modal', function () {
+            $.ajax({
+              type: "post",
+              url: '<%= admin_news_get_preview_action_path %>',
+              data: {uid: window.preview_news_uid}
+            }).done(function(data){
+              if(data["action"] == "redirect"){
+                window.location.href = data["path"];
+              }
+            })
+          });
 
           var slug = data.split('/')[(data.split('/').length-1)];
           // $('#preview-iframe').on('load', function(){

config/routes.rb

@@ -4,6 +4,7 @@ Rails.application.routes.draw do
 
   scope "(:locale)", locale: Regexp.new(locales.join("|")) do
    namespace :admin do
+      post 'news/get_preview_action', to: 'news#get_preview_action'
       post 'news/preview', to: 'news#preview'
       get 'news/destroy_preview/:slug_title-:uid', to: 'news#destroy_preview'
       get 'newsbulletins.json', to: 'newsbulletins#get_bulletins'