complete preview for both new and announcement

app/models/preview.rb

@@ -2,12 +2,81 @@ class Preview
   include Mongoid::Document
   include Mongoid::Timestamps
 
-  field :object, :type => Hash
+  # field :object_f, :type => Hash
+  field :object, :type=> Hash
   field :preview_at_link
   field :expired_at , :type => DateTime
   field :link_args, :type => Array
   field :object_class_type
   
+  has_many :preview_files, :autosave => true, :dependent => :destroy
+
+  # def object=(params)
+  #   save_upload_temp_link(params,"news_bulletin_files_attributes") #unless params[]
+  #   self.object_f = params
+  # end
+
+  # def object
+  #   return object_f
+  # end
+
+  # def save_upload_temp_link(params,field_name = "bulletin_files_attributes")
+  #   image = preview_files.build(:file=>params[:image])
+  #   params[:image] = image.id
+
+  #   params[field_name].each_with_index do |item,index|
+  #     bfa = preview_files.build(:file=>params[field_name][index.to_s][:file])
+  #     params[field_name][index.to_s] = bfa.id
+  #   end unless  params[field_name].nil?
+  # end
+
+  # def dig_in_hash(hash,paths_ary)
+  #    hash.each_pair do |key,in_hash|
+  #       if in_hash.kind_of? Array 
+  #         dig_in_array(hash,paths_ary)
+  #       elsif in_hash.kind_of? Hash
+  #         dig_in_hash(hash,paths_ary)
+  #       else
+  #         puts("\n End Node: \t #{paths_ary.join } #{in_hash.class} : #{key}##{in_hash}")
+  #       end
+  #    end
+  # end
+
+  # def dig_in_array(array,paths_ary)
+  #   array.each do |item|
+  #       if item.kind_of? Array 
+  #         dig_in_array(hash,paths_ary)
+  #       elsif item.kind_of? Hash
+  #         dig_in_hash(hash,paths_ary)
+  #       else
+  #         puts("\n End Node: \t #{paths_ary.join } #{item.class} : {item}")
+  #       end
+  #    end
+  # end
+
+
+  # def dig_in_hash_old(hash,paths_ary)
+  #   hash.each_pair do |k,in_hash|
+  #     if (!in_hash.kind_of? Array and !in_hash.kind_of? Hash)
+  #       #p "UploadedFile : #{in_hash.is_a? ActionDispatch::Http::UploadedFile}"
+  #       #in_hash = "no file" if in_hash.is_a? ActionDispatch::Http::UploadedFile
+  #       #in_hash.select{|key,hash| hash.is_a? ActionDispatch::Http::UploadedFile}
+  #       puts("\n End Node:# \n")
+  #       p "#{paths_ary.join } #{in_hash.class} : #{in_hash}"
+  #       #p "UploadedFile(#{in_hash}) : #{in_hash.is_a? ActionDispatch::Http::UploadedFile}"
+  #     else
+  #       if (!in_hash.first.kind_of? Array and !in_hash.first.kind_of? Hash)
+  #         paths_ary << "[#{in_hash.first}]" 
+  #       end
+  #       puts("\n Go Down [#{in_hash.first}]\n")
+  #       dig_in_hash(in_hash,paths_ary)
+  #       puts("\n Go Out \n")
+  #     end
+  #       puts "This is last"
+  #       paths_ary.pop  
+  #   end
+  # end
+
   def get_arg_hash
     object.slice(*link_args).inject({}){|la,(k,v)| la[k.to_sym] = v; la}
   end
@@ -19,7 +88,15 @@ class Preview
   end
 
   def get_virtual_object
-    eval(self.object_class_type).new object
+    virtual_object = eval(self.object_class_type).new object
+    preview_files.each do |file|
+      if file.file_in_array
+          eval("virtual_object.#{file.field_name_for_rebuild}.build  :file=>file.file") 
+        else
+          eval("virtual_object.#{file.field_name_for_rebuild} = file.file")     
+      end
+    end
+    virtual_object
   end
 
 end

app/models/preview_file.rb

@@ -0,0 +1,19 @@
+class PreviewFile
+
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  mount_uploader :file, AssetUploader
+  
+  field :title, localize: true
+  field :description, localize: true
+  field :field_name_for_rebuild
+  field :file_in_array , :type => Boolean,default: false
+
+  # field :to_save, :type => Boolean
+  field :should_destroy, :type => Boolean
+  
+  belongs_to :preview
+  # embedded_in :news_bulletin
+
+end