Class: MG

Inherits:
Object
  • Object
show all
Defined in:
lib/mountain-goat/m_g.rb

Overview

TODO: Verify Email Setup #

Class Method Summary collapse

Class Method Details

.deliver(delivery_set = nil) ⇒ Object 



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# File 'lib/mountain-goat/m_g.rb', line 8

def self.deliver(delivery_set = nil)
  ################
  # Setup PDFKit #
  ################
  
  begin
    require 'pdfkit'
  rescue LoadError
    raise "Mountain Goat Reports will not work without the 'pdfkit' gem (please run `gem install pdfkit`)"
  end
  
  ######################
  # Setup svg-graph    #
  ######################
  
  begin
    require 'SVG/Graph/TimeSeries'
  rescue LoadError
    raise "Mountain Goat Reports will not work without the 'svg-graph' gem (please run `gem install svg-graph`)"
  end
  
  mg_yml = YAML::load(File.open("#{RAILS_ROOT}/config/mountain-goat.yml"))
  
  if mg_yml.blank? || mg_yml[RAILS_ENV].blank? || mg_yml[RAILS_ENV]['wkhtmltopdf'].blank?
    raise "Please configure wkhtmltopdf settings in #{RAILS_ROOT}/config/mountain-goat.yml"
  end
  
  PDFKit.configure do |cz|
    cz.wkhtmltopdf = mg_yml[RAILS_ENV]['wkhtmltopdf']
    cz.default_options = { :'custom-header' => "'Content-Type' 'application/xhtml+xml'" }
  end
  
  if delivery_set.nil?
    reports = Mg::Report.all
  else
    reports = Mg::Report.find(:all, :conditions => { :delivery_set => delivery_set.to_s } )
  end
  
  #We need to render the report report_show
  reports.each do |report|
    puts "Delivering report: #{report.title}"
    av = ActionView::Base.new
    av.view_paths = File.join([File.dirname(__FILE__), 'views/mountain_goat/'])
    data = av.render(:partial => 'mg/reports/report', :layout => 'layouts/pdf', :locals => { :report => report } )
    
    #Oddly, the file extension matters most here
    tmp = Tempfile.new(['chart', '.xhtml'])
    tmp << data
    tmp.flush
    
    kit = PDFKit.new(File.new(tmp.path), :page_size => 'Letter')
    pdf = kit.to_pdf
    tmp.close
    
    Mg::ReportMailer.deliver_report(report, pdf)
  end
end