function parseAppleReceiptInfo()

in typescript/src/pubsub/apple-common.ts [130:279]

• 149 lines of code
• 35 McCabe index (conditional complexity)

function parseAppleReceiptInfo(
  payload: unknown,
): Result<string, AppleReceiptInfo> {
  if (!isObject(payload)) {
    return err(
      "The apple receipt info field that Apple gave us isn't an object",
    );
  }
  if (typeof payload.transaction_id !== 'string') {
    return err('missing field: transaction_id');
  }
  if (typeof payload.product_id !== 'string') {
    return err('missing field: product_id');
  }
  if (typeof payload.original_transaction_id !== 'string') {
    return err('missing field: original_transaction_id');
  }
  if (
    typeof payload.item_id !== 'string' &&
    typeof payload.item_id !== 'undefined'
  ) {
    return err(`incorrect optional field: item_id ${typeof payload.item_id}`);
  }
  if (
    typeof payload.app_item_id !== 'string' &&
    typeof payload.app_item_id !== 'undefined'
  ) {
    return err(
      `incorrect optional field: app_item_id ${typeof payload.app_item_id}`,
    );
  }
  if (
    typeof payload.web_order_line_item_id !== 'string' &&
    typeof payload.web_order_line_item_id !== 'undefined'
  ) {
    return err(
      `incorrect optional field: web_order_line_item_id ${typeof payload.web_order_line_item_id}`,
    );
  }
  if (
    typeof payload.unique_identifier !== 'string' &&
    typeof payload.unique_identifier !== 'undefined'
  ) {
    return err(
      `incorrect optional field: unique_identifier ${typeof payload.unique_identifier}`,
    );
  }
  if (
    typeof payload.unique_vendor_identifier !== 'string' &&
    typeof payload.unique_vendor_identifier !== 'undefined'
  ) {
    return err(
      `incorrect optional field: unique_vendor_identifier ${typeof payload.unique_vendor_identifier}`,
    );
  }
  if (typeof payload.quantity !== 'string') {
    return err('missing field: quantity');
  }
  if (typeof payload.purchase_date_ms !== 'string') {
    return err('missing field: purchase_date_ms');
  }
  if (typeof payload.original_purchase_date_ms !== 'string') {
    return err('missing field: original_purchase_date_ms');
  }
  if (
    typeof payload.expires_date !== 'string' &&
    typeof payload.expires_date !== 'undefined'
  ) {
    return err(
      `incorrect optional field: expires_date ${typeof payload.expires_date}`,
    );
  }
  if (
    typeof payload.expires_date_ms !== 'string' &&
    typeof payload.expires_date_ms !== 'undefined'
  ) {
    return err(
      `incorrect optional field: expires_date_ms ${typeof payload.expires_date_ms}`,
    );
  }
  if (
    typeof payload.is_in_intro_offer_period !== 'string' &&
    typeof payload.is_in_intro_offer_period !== 'undefined'
  ) {
    return err(
      `incorrect optional field: is_in_intro_offer_period ${typeof payload.is_in_intro_offer_period}`,
    );
  }
  if (typeof payload.is_trial_period !== 'string') {
    return err('missing field: is_trial_period');
  }
  if (typeof payload.bvrs !== 'string' && typeof payload.bvrs !== 'undefined') {
    return err(`incorrect optional field: bvrs ${typeof payload.bvrs}`);
  }
  if (
    typeof payload.version_external_identifier !== 'string' &&
    typeof payload.version_external_identifier !== 'undefined'
  ) {
    return err(
      `incorrect optional field: version_external_identifier ${typeof payload.version_external_identifier}`,
    );
  }
  if (
    typeof payload.promotional_offer_id !== 'string' &&
    typeof payload.promotional_offer_id !== 'undefined'
  ) {
    return err(
      `incorrect optional field: promotional_offer_id ${typeof payload.promotional_offer_id}`,
    );
  }
  if (
    typeof payload.offer_code_ref_name !== 'string' &&
    typeof payload.offer_code_ref_name !== 'undefined'
  ) {
    return err(
      `incorrect optional field: offer_code_ref_name ${typeof payload.offer_code_ref_name}`,
    );
  }
  if (
    typeof payload.app_account_token !== 'string' &&
    typeof payload.app_account_token !== 'undefined'
  ) {
    return err(
      `incorrect optional field: app_account_token ${typeof payload.app_account_token}`,
    );
  }

  return ok({
    transaction_id: payload.transaction_id,
    product_id: payload.product_id,
    original_transaction_id: payload.original_transaction_id,
    item_id: payload.item_id,
    app_item_id: payload.app_item_id,
    web_order_line_item_id: payload.web_order_line_item_id,
    unique_identifier: payload.unique_identifier,
    unique_vendor_identifier: payload.unique_vendor_identifier,
    quantity: payload.quantity,
    purchase_date_ms: payload.purchase_date_ms,
    original_purchase_date_ms: payload.original_purchase_date_ms,
    expires_date: payload.expires_date,
    expires_date_ms: payload.expires_date_ms,
    is_in_intro_offer_period: payload.is_in_intro_offer_period,
    is_trial_period: payload.is_trial_period,
    bvrs: payload.bvrs,
    version_external_identifier: payload.version_external_identifier,
    promotional_offer_id: payload.promotional_offer_id,
    offer_code_ref_name: payload.offer_code_ref_name,
    app_account_token: payload.app_account_token,
  });
}