Class: Jreport::Assembler

Inherits:
Object
  • Object
show all
Defined in:
lib/jreport/assembler.rb

Instance Method Summary collapse

Constructor Details

#initialize(report_name) ⇒ Assembler

Returns a new instance of Assembler.



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# File 'lib/jreport/assembler.rb', line 8

def initialize(report_name)
  @root=`pwd`.chomp
  @_report=report_name
  @report=report_name.split('_').map{|x| x.capitalize}.join
end

Instance Method Details

#fetch_data ⇒ Object 



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# File 'lib/jreport/assembler.rb', line 13

def fetch_data
  collector="#{@report}Collector"
  raise "Can't find #{collector}" unless Kernel.const_get(collector)
  Kernel.const_get(collector).new.fetch_data
end

#make_report ⇒ Object 



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# File 'lib/jreport/assembler.rb', line 18

def make_report
  controller="#{@report}Controller"
  ctrl_klas=Kernel.const_get(controller)
  mtds=ctrl_klas.instance_methods(false).grep /_report$/
  mtds.each do |m|
    begin
      ctrl=ctrl_klas.new
      class << ctrl
        attr_accessor :data,:save_to
      end
      ctrl.data=fetch_data
      # initialize a mail object
      mail=Mail.new
      ctrl.send m,mail
      dir="#{@root}/views/#{@_report}"
      html=render_html(dir,m.to_s,:data=>ctrl.data,:attachments=>mail.attachments)
    File.open(ctrl.save_to,'w'){|fi| fi.write(html) } if ctrl.save_to
      # send out report
      if mail.html_part
          mail.html_part.body=html
      else
          mail.body=html
      end
	  send_mail(mail)
    rescue=>e
      puts e
      puts e.backtrace
    end
  end
  
end

#render_html(dir, report_name, bindings) ⇒ Object 



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# File 'lib/jreport/assembler.rb', line 50

def render_html(dir,report_name,bindings)
  base="#{dir}/#{report_name}"
  html=Erubis::Eruby.new(File.read("#{base}.eruby")).result(bindings)
  if File.exist?("#{base}.css")
css=File.read "#{base}.css"
		p=Premailer.new(html,:with_html_string=>true,:css_string=>css)
html=p.to_inline_css
  end
  html
end

#send_mail(mail) ⇒ Object 



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# File 'lib/jreport/assembler.rb', line 60

def send_mail(mail)
	lost=mail.from.nil? ? 'from' : mail.to.nil? ? 'to' : mail.subject.nil? ? 'subject' : nil
	if  lost
		puts "Mail '#{lost}' empty, mail wouldn't be sent!"
		return
	end
	mail.deliver!
	puts "Mail sent!"
end