Class: Lograge::Formatters::KeyValue

Inherits:
Object
  • Object
show all
Defined in:
lib/lograge/formatters/key_value.rb

Constant Summary collapse

LOGRAGE_FIELDS = 
[
  :method, :path, :format, :controller, :action, :status, :error,
  :duration, :view, :db, :location
]

Instance Method Summary collapse

Instance Method Details

#call(data) ⇒ Object 



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# File 'lib/lograge/formatters/key_value.rb', line 9

def call(data)
  fields  = LOGRAGE_FIELDS
  fields += (data.keys - LOGRAGE_FIELDS)

  event = fields.inject([]) do |message, key|
    next message unless data.has_key?(key)
    # Exactly preserve the previous output
    # Parsing this can be ambigious if the error messages contains
    # a single quote
    data[key] = "'#{data[key]}'" if key == :error
    # Ensure that we always have exactly two decimals
    data[key] = "%.2f" % data[key] if data[key].is_a? Float

    message << "#{key}=#{data[key]}"
    message
  end
  event.join(" ")
end