class Sentry::Rails::CaptureExceptions

def capture_exception(exception, env)
  request = ActionDispatch::Request.new(env)
  # the exception will be swallowed by ShowExceptions middleware
  return if request.show_exceptions? && !Sentry.configuration.rails.report_rescued_exceptions
  current_scope = Sentry.get_current_scope
  if original_transaction = env["sentry.original_transaction"]
    current_scope.set_transaction_name(original_transaction)
  end
  Sentry::Rails.capture_exception(exception).tap do |event|
    env[ERROR_EVENT_ID_KEY] = event.event_id if event
  end
end

def collect_exception(env)
  return nil if env["sentry.already_captured"]
  super || env["action_dispatch.exception"] || env["sentry.rescued_exception"]
end

def initialize(app)
  super
  if defined?(::Sprockets::Rails)
    @assets_regex = %r(\A/{0,2}#{::Rails.application.config.assets.prefix})
  end
end

def start_transaction(env, scope)
  sentry_trace = env["HTTP_SENTRY_TRACE"]
  options = { name: scope.transaction_name, op: transaction_op }
  if @assets_regex && scope.transaction_name.match?(@assets_regex)
    options.merge!(sampled: false)
  end
  transaction = Sentry::Transaction.from_sentry_trace(sentry_trace, **options) if sentry_trace
  Sentry.start_transaction(transaction: transaction, custom_sampling_context: { env: env }, **options)
end

def transaction_op
  "rails.request".freeze
end