Module: MongoidColors::Colorizer

Defined in:
lib/mongoid-colors/colorizer.rb

Class Method Summary collapse

Class Method Details

.parse(msg) ⇒ Object 



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# File 'lib/mongoid-colors/colorizer.rb', line 42

def self.parse(msg)
  case msg
  when /^MONGODB \((.*)ms\) (.*)\['(.*)'\]\.(.*)$/
    {:duration => $1, :database => $2, :collection => $3, :query => $4}
  when /^MONGODB (.*)\['(.*)'\]\.(.*)$/
    {:database => $1, :collection => $2, :query => $3}
  when /^ *MOPED: (\S+:\S+) (\S+) +database=(\S+)( collection=(\S+))? (.*[^)])( \((.*)ms\))?$/
    res = {:host => $1, :operation => $2, :database => $3, :collection => $5, :query => $6, :duration => $8}
    if res[:operation] == 'COMMAND'
      begin
        command = eval(res[:query])
        if command[:count]
          res[:operation]  = 'COUNT'
          res[:collection] = command.delete(:count)
          res[:query]      = command.inspect
        end
        if command[:findAndModify]
          res[:operation]  = 'FIND AND MODIFY'
          res[:collection] = command.delete(:findAndModify)
          res[:query]      = command.inspect
        end
      rescue Exception
      end
    end
    res
  when /which could negatively impact client-side performance/
    :ignore
  when /COMMAND.*getlasterror/
    :ignore
  end
end

.setup ⇒ Object 



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# File 'lib/mongoid-colors/colorizer.rb', line 8

def self.setup
  return unless Mongoid.logger

  old_formatter = Mongoid.logger.formatter
  Mongoid.logger.formatter = lambda do |severity, datetime, progname, msg|
    m = parse(msg)
    return if m == :ignore
    return old_formatter.call(severity, datetime, progname, msg) if m.nil?

    m[:query].gsub!(/BSON::ObjectId\('([^']+)'\)/, '0x\1')
    m[:duration] = m[:duration].split('.')[0] if m[:duration]

    line = "☘ ".green + "MongoDB ".white
    line << "(#{m[:duration]}ms) " if m[:duration]

    if m[:database]
      if m[:collection]
        line << "[#{m[:database]}::#{m[:collection]}] "
      else
        line << "[#{m[:database]}] "
      end
    end

    line << case m[:operation]
    when /(QUERY|COUNT)/ then "#{m[:operation]} ".colorize(:green)
    when /(INSERT|UPDATE|MODIFY|DELETE)/ then "#{m[:operation]} ".red
    else "#{m[:operation]} "
    end

    line << CodeRay.scan(m[:query], :ruby).term
    line << "\n"
  end
end