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lambda_base

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Base library to create Elixir AWS Lambda

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lambda_base lib lambda_base.ex
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lib/lambda_base.ex 

defmodule LambdaBase do

  @moduledoc """

  This is lambda base.

  Use LambdaBase and implement `handle(event, context)` function

  """



  alias LambdaBase.Util.LambdaLogger



  @doc """

  Lambda runtime call init function.

  """

  @callback init(context :: map()) :: {:ok, map()}



  @doc """

  Lambda runtime call handle function.

  """

  @callback handle(event :: map(), context :: map()) :: {:ok, String.t} | {:error, String.t}



  defmacro __using__(_opts) do

    quote do

      alias LambdaBase.Util.Json

      alias LambdaBase.Util.LambdaLogger

      alias LambdaBase.Util.LambdaConfig

      @behaviour LambdaBase

      def start() do

        context = System.get_env

        LambdaLogger.start_link(context |> LambdaBase.Base.log_level)

        LambdaConfig.start_link()

        HTTPoison.start()

        {:ok, context} = init(context)

        LambdaBase.Base.loop(context)

      end

    end

  end

end