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Compose, deliver and test your emails easily in Elixir. Supports SMTP, Sendgrid, Mandrill, Postmark, Mailgun and many more out of the box. Preview your emails in the browser. Test your email sending code.

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swoosh lib swoosh adapters mail_pace.ex
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lib/swoosh/adapters/mail_pace.ex 

defmodule Swoosh.Adapters.MailPace do

  @moduledoc ~S"""



  An adapter that sends email using the MailPace API.



  For reference: [MailPace API docs](https://docs.mailpace.com/reference/overview/)



  ## Example



      # config/config.exs

      config :sample, Sample.Mailer,

        adapter: Swoosh.Adapters.MailPace,

        api_key: "my-api-key"



      # lib/sample/mailer.ex

      defmodule Sample.Mailer do

        use Swoosh.Mailer, otp_app: :sample

      end

  """



  use Swoosh.Adapter, required_config: [:api_key]



  alias Swoosh.Email

  import Swoosh.Email.Render



  @endpoint "https://app.mailpace.com/api/v1/send"



  @impl true

  def deliver(%Email{} = email, config \\ []) do

    headers = prepare_headers(config)

    params = email |> prepare_body() |> Swoosh.json_library().encode!



    case Swoosh.ApiClient.post(endpoint(config), headers, params, email) do

      {:ok, 200, _headers, body} ->

        {:ok, Swoosh.json_library().decode!(body)}



      {:ok, code, _headers, body} when code > 399 ->

        case Swoosh.json_library().decode(body) do

          {:ok, error} -> {:error, {code, error}}

          {:error, _} -> {:error, {code, body}}

        end



      {:error, reason} ->

        {:error, reason}

    end

  end



  defp prepare_headers(config) do

    [

      {"User-Agent", "swoosh/#{Swoosh.version()}"},

      {"MailPace-Server-Token", config[:api_key]},

      {"Content-Type", "application/json"},

      {"Accept", "application/json"}

    ]

  end



  defp prepare_body(email) do

    %{}

    |> prepare_from(email)

    |> prepare_to(email)

    |> prepare_subject(email)

    |> prepare_html(email)

    |> prepare_text(email)

    |> prepare_cc(email)

    |> prepare_bcc(email)

    |> prepare_reply_to(email)

    |> prepare_attachments(email)

  end



  defp prepare_from(body, %{from: from}), do: Map.put(body, "from", render_recipient(from))



  defp prepare_to(body, %{to: to}), do: Map.put(body, "to", render_recipient(to))



  defp prepare_cc(body, %{cc: []}), do: body

  defp prepare_cc(body, %{cc: cc}), do: Map.put(body, "cc", render_recipient(cc))



  defp prepare_bcc(body, %{bcc: []}), do: body

  defp prepare_bcc(body, %{bcc: bcc}), do: Map.put(body, "bcc", render_recipient(bcc))



  defp prepare_reply_to(body, %{reply_to: nil}), do: body



  defp prepare_reply_to(body, %{reply_to: reply_to_recipient}),

    do: Map.put(body, "replyto", render_recipient(reply_to_recipient))



  defp prepare_subject(body, %{subject: ""}), do: body

  defp prepare_subject(body, %{subject: subject}), do: Map.put(body, "subject", subject)



  defp prepare_text(body, %{text_body: nil}), do: body

  defp prepare_text(body, %{text_body: text_body}), do: Map.put(body, "textbody", text_body)



  defp prepare_html(body, %{html_body: nil}), do: body

  defp prepare_html(body, %{html_body: html_body}), do: Map.put(body, "htmlbody", html_body)



  defp prepare_attachments(body, %{attachments: []}), do: body



  defp prepare_attachments(body, %{attachments: attachments}) do

    attachments =

      Enum.map(attachments, fn %{content_type: content_type, filename: name} = attachment ->

        attachment_object = %{

          name: name,

          content: Swoosh.Attachment.get_content(attachment, :base64),

          content_type: content_type

        }



        if attachment.type == :inline do

          Map.put(attachment_object, :cid, attachment.cid)

        else

          attachment_object

        end

      end)



    Map.put(body, "attachments", attachments)

  end



  defp endpoint(config), do: config[:endpoint] || @endpoint

end