Event formatters

def format(payload)
  [
    "event title",
    "event body",
    Appsignal::EventFormatter::DEFAULT
  ]
end

-- An event body with the value of:
SELECT * FROM users WHERE email = 'hector@appsignal.com' AND password = 'iamabot'
-- becomes
SELECT * FROM users WHERE email = ? AND password = ?

# A custom event formatter class
class MyCustomEventFormatter
  def format(payload)
    [
      payload[:title],
      payload[:body],
      Appsignal::EventFormatter::DEFAULT
    ]
  end
end

# Register the custom event formatter class for a specific event
Appsignal::EventFormatter.register("event.custom", MyCustomEventFormatter)
# Can be registerd multiple times for other event names
Appsignal::EventFormatter.register("other_event.custom", MyCustomEventFormatter)

ActiveSupport::Notifications.instrument(
  "event.custom", # Use the registered event name
  { # Pass along event metadata
    :title => "some event name",
    :body => "some event body"
  }
) do
  sleep 2
end

class MyQueryFormatter
  def format(payload)
    [
      "query.my_library", # The event name, rather than the title
      payload[:query],
      Appsignal::EventFormatter::SQL_BODY_FORMAT
    ]
  end
end

Appsignal::EventFormatter.register("sql.dry", MyQueryFormatter)

Appsignal::EventFormatter.unregister("event.custom", MyCustomEventFormatter)

# Pre 2.5.2 method of registering event formatters
# This method is now deprecated
class MyCustomEventFormatter < Appsignal::EventFormatter
  register "event.custom"

  def format(payload)
    [payload[:title], payload[:body], Appsignal::EventFormatter::DEFAULT]
  end
end

class MyCustomEventFormatter
  def format(payload)
    [payload[:title], payload[:body], Appsignal::EventFormatter::DEFAULT]
  end
end

Appsignal::EventFormatter.register("event.custom", MyCustomEventFormatter)