api email

emailvalidation.ex

defmodule Studio.Accounts.EmailValidator do
  @moduledoc """
  Reoon Email Verifier API client. The score is the probability that the email is safe to send.
  """

  @api_base_url "https://emailverifier.reoon.com/api/v1/verify"
  @minimum_score 70

  # Public function to check if an email is safe to send, with an optional mode parameter
  def validate(email, mode \\ "power") do
    api_key = Application.get_env(:studio, :email_validator_api_key)

    case api_call(email, mode, api_key) do
      {:ok, email_verification_result} ->
        Map.get(email_verification_result, "overall_score", 0) > @minimum_score

      {:error, _reason} ->
        false
    end
  end

  # Private function to call the email verification API, including the mode parameter
  defp api_call(email, mode, api_key) do
    url =
      "#{@api_base_url}?email=#{URI.encode(email)}&key=#{URI.encode(api_key)}&mode=#{URI.encode(mode)}"

    with {:ok, _status_code, _headers, client} <- :hackney.get(url, [], "", []),
         {:ok, body} <- :hackney.body(client),
         {:ok, decoded_body} <- Poison.decode(body) do
      {:ok, decoded_body}
    else
      _error -> {:error, :failed_to_verify_email}
    end
  end
end