Class: LogsViewer::Display

Inherits:
Object
  • Object
show all
Defined in:
lib/logs_viewer/display.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Display

Returns a new instance of Display.



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# File 'lib/logs_viewer/display.rb', line 4

def initialize(app)
  @app = app
  @number_lines = LogsViewer::Config.number_lines
  @log_dir = LogsViewer::Config.log_dir
end

Instance Method Details

#call(env = {}) ⇒ Object 



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# File 'lib/logs_viewer/display.rb', line 10

def call(env = {})
  if env["PATH_INFO"]=~/^\/logs/
    @data = {
      list: LogsViewer::Handler.list(@log_dir),
      lines: []
    }

    params = Rack::Utils.parse_nested_query(env["QUERY_STRING"])

    if params.has_key? 'file'
      log_file = params['file']
      number_lines = (params.has_key? 'number_lines') ? params['number_lines'] : @number_lines

      @data[:lines] = `tail -n "#{number_lines}" "#{log_file}"`
      [200,{"Content-Type"=>"text/html"},[view_generate(@data)]]
    else
      [200,{"Content-Type"=>"text/html"},[view_generate(@data)]]
    end
  else
    @app.call(env)
  end
end

#view_generate(data) ⇒ Object 



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# File 'lib/logs_viewer/display.rb', line 33

def view_generate(data)
  temp = LogsViewer::Handler.file_open("../views/display.html.erb")
  temp = ERB.new(temp)
  return temp.result(binding)
end