Class: ErpApp::Desktop::Tail::BaseController

Inherits:
BaseController show all
Defined in:
app/controllers/erp_app/desktop/tail/base_controller.rb

Instance Method Summary collapse

Methods inherited from BaseController

#index

Instance Method Details

#get_tail ⇒ Object 



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# File 'app/controllers/erp_app/desktop/tail/base_controller.rb', line 6

def get_tail
  contents = []

  cursor = params[:cursor].to_i
  
  log_file = File.join(Rails.root, 'log', "#{Rails.env}.log")
  
  File.open(log_file) do |f|
    if cursor == 0
      f.seek(-1, IO::SEEK_END)
    else
      f.seek cursor
    end
  
   if !f.eof?
     contents = f.readlines
     cursor = f.tell
   end
   
  end

  render :json => {:success => true, :tail => contents.join('<br/>'), :cursor => cursor}
end