jastix (owner)

Revisions

gist: 98673 Download_button fork
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## Model :
class Theme < ActiveRecord::Base
....
has_attached_file :avtoref_doc
	has_attached_file :avtoref_pdf
	has_attached_file :disser_doc
	has_attached_file :disser_pdf
	has_attached_file :avtoref_swf
	has_attached_file :disser_swf
	has_scribdable_attachment :avtoref_pdf
	has_scribdable_attachment :disser_pdf
	has_scribdable_attachment :avtoref_doc
	has_scribdable_attachment :disser_doc
validates_attachment_content_type :avtoref_doc, :content_type => 'application/msword'
	validates_attachment_content_type :avtoref_pdf, :content_type => 'application/pdf'
	validates_attachment_content_type :disser_doc, :content_type => 'application/msword'
	validates_attachment_content_type :disser_pdf, :content_type => 'application/pdf'
	validates_attachment_content_type :avtoref_swf, :content_type => 'application/x-swf'
	validates_attachment_content_type :disser_swf, :content_type => 'application/x-swf'
	if :avtoref_pdf == nil
		validates_attachment_scribdability :avtoref_doc
	elsif :avtoref_doc == nil
		validates_attachment_scribdability :avtoref_pdf
	end
 
	if :disser_pdf == nil
		validates_attachment_scribdability :disser_doc
	elsif :disser_doc == nil
		validates_attachment_scribdability :disser_pdf
	end
 
## View (list.html.erb)
<% @themes.each do |t| %>
<tr class="<%= cycle("even","odd") %>">
...
<td valign=top><% if t.avtoref_pdf_scribd_id != nil %>
	<%= link_to "Просмотр", {:controller => :themes, :action => :show_avtoref_pdf, :id => t.id}, :target => "_blank" %>
		<% elsif t.avtoref_doc_scribd_id != nil %>
	<%= link_to "Просмотр", {:controller => :themes, :action => :show_avtoref_doc, :id => t.id}, :target => "_blank" %>
			<% end %></td>
<% if  admin_do?(current_user) %>
 
	<td valign=top><% if t.disser_pdf_scribd_id != nil %>
	<%= link_to "Просмотр", {:controller => :themes, :action => :show_disser_pdf, :id => t.id}, :target => "_blank" %>
		<% elsif t.disser_doc_scribd_id != nil%>
	<%= link_to "Просмотр", {:controller => :themes, :action => :show_disser_doc, :id => t.id}, :target => "_blank" %>
			<% end %></td>
 
## Views of documents
show_avtoref_doc.html.erb
<%= display_scribd(@theme, 'avtoref_doc') %>
show_avtoref_pdf.html.erb
<%= display_scribd(@theme, 'avtoref_pdf') %>
show_disser_doc.html.erb
<%= display_scribd(@theme, 'disser_doc') %>
show_disser_pdf.html.erb
<%= display_scribd(@theme, 'disser_pdf') %>
 
##Controllers
def show_avtoref_pdf
		if current_user.blank? then redirect_to root_path
 		end
		@theme = Theme.find(params[:id])
 
		render :action => :show_avtoref_pdf# , :layout => false
	end
 
	def show_avtoref_doc
		if current_user.blank? then redirect_to root_path
 		end
		@theme = Theme.find(params[:id])
 
		render :action => :show_avtoref_doc# , :layout => false
	end
 
	def show_disser_pdf
		if current_user.blank? then redirect_to root_path
 		end
		@theme = Theme.find(params[:id])
		render :action => :show_disser_pdf# , :layout => false
	end
 
	def show_disser_doc
		if current_user.blank? then redirect_to root_path
 		end
		@theme = Theme.find(params[:id])
		render :action => :show_disser_doc# , :layout => false
	end
## Migrations
class AddScribd < ActiveRecord::Migration
  def self.up
	add_column :themes, :avtoref_pdf_scribd_id, :integer
	add_column :themes, :avtoref_pdf_scribd_access_key, :string
	add_column :themes, :disser_pdf_scribd_id, :integer
	add_column :themes, :disser_pdf_scribd_access_key, :string
  end
 
  def self.down
	remove_column :themes, :avtoref_pdf_scribd_id, :integer
	remove_column :themes, :avtoref_pdf_scribd_access_key, :string
	remove_column :themes, :disser_pdf_scribd_id, :integer
	remove_column :themes, :disser_pdf_scribd_access_key, :string
  end
end
 
class AddScribdDoc < ActiveRecord::Migration
  def self.up
	add_column :themes, :avtoref_doc_scribd_id, :integer
	add_column :themes, :avtoref_doc_scribd_access_key, :string
	add_column :themes, :disser_doc_scribd_id, :integer
	add_column :themes, :disser_doc_scribd_access_key, :string
  end
 
  def self.down
	remove_column :themes, :avtoref_doc_scribd_id, :integer
	remove_column :themes, :avtoref_doc_scribd_access_key, :string
	remove_column :themes, :disser_doc_scribd_id, :integer
	remove_column :themes, :disser_doc_scribd_access_key, :string
  end
end