Module: Sbmt::Strangler::Mixin

Defined in:
lib/sbmt/strangler/mixin.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#strangler_action ⇒ Object (readonly)

Returns the value of attribute strangler_action.



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# File 'lib/sbmt/strangler/mixin.rb', line 6

def strangler_action
  @strangler_action
end

Instance Method Details

#allowed_headers ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 18

def allowed_headers
  if strangler_action.headers_allowlist.blank?
    return request.headers.select { |name, _| name.starts_with?("HTTP_") }.to_h
  end

  request.headers.select { |name, _| name.in?(strangler_action.headers_allowlist) }.to_h
end

#allowed_params ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 12

def allowed_params
  return http_params if strangler_action.params_tracking_allowlist.blank?

  params.permit(*strangler_action.params_tracking_allowlist).to_h
end

#http_params ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 8

def http_params
  params.to_unsafe_h.except(:action, :controller, :format)
end

#http_request(payload) ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 26

def http_request(payload)
  strangler_action.http_client.call(
    proxy_url,
    strangler_action.proxy_http_method,
    payload: payload,
    headers: allowed_headers
  )
end

#proxy_url ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 35

def proxy_url
  case strangler_action.proxy_url
  in String => url
    url
  in Proc => proc
    proc.call(http_params, request.headers)
  end
end

#render_origin_response(response) ⇒ Object 



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# File 'lib/sbmt/strangler/mixin.rb', line 44

def render_origin_response(response)
  if response.success?
    body, status = response.value!.values_at(:body, :status)
    render json: body, status: status
    return
  end

  body, status = response.failure.values_at(:body, :status)
  render json: body, status: status
end