Prawn PDF and muliplte records - ruby-on-rails

Question

I'm looking to extract all records to a single pdf using Prawn PDF and rails 4.2.
Currently I have them generating by id for individual pdf's and works well.
Show
def show
#agreement = Agreement.find(params[:id])
respond_to do |format|
format.html
format.pdf do
pdf = AgreementPdf.new(#agreement)
send_data pdf.render, filename: "Agreement - #{#agreement.entity}", type: "application/pdf", disposition: "inline"
end
end
end
Index in table
<% #agreements.each do |agreement| %>
<tr>
<td><%= agreement.entity %></td>
<td><%= link_to 'Download', agreement_path(agreement.id, format: 'pdf'), :target => "_blank" %></td>
</tr>
<% end %>

Answer 1

First, you have to add a route with the path of the new method:
get '/agreements/all_records' => 'agreements#all_records', :as => :agreement_all_records
Then call the methods with in the view:
<td><%= link_to 'Download All Records', agreement_all_records_path(), :target => "_blank" %></td>
It will look something like this in the controllers:
def all_records
#agreements = Agreement.all
pdf = AgreementsPdf.new(#agreements)
send_data pdf.render,filename:'agreements.pdf',type:'application/pdf', disposition: 'inline'
end
And the Report may look like this ( assuming that agreement model has id,name fields ):
require 'prawn/table'
class AgreementsPdf < PdfReport
TABLE_WIDTHS = [100, 100]
PAGE_MARGIN = [40, 40, 40, 40]
def initialize(agreements=[])
super(:page_size => "LEGAL", margin: PAGE_MARGIN, :page_layout => :landscape)
#agreements = agreements
display_table
end
private
def display_table
if table_data.empty?
text "None data"
else
table(table_data,column_widths: TABLE_WIDTHS, :cell_style => { size: 10 } )
end
end
def table_data
#table_data ||= #agreements.map { |e| [e.id, e.name] }
end
end
Hope this will give you an idea