gatsby-source-iubenda-documents/gatsby-node.js

Gatsby plugin for Iubenda Privacy Policy and Terms & Conditions

"use strict";

const fetch = require("node-fetch");

const PRIVACY_URL = "https://www.iubenda.com/api/privacy-policy/";
const TERMS_URL = "https://www.iubenda.com/api/terms-and-conditions/";

exports.onPreInit = () => console.log("✨ Loaded gatsby-source-iubenda-documents");

exports.sourceNodes = async ({
  actions,
  createContentDigest,
  createNodeId,
  getNodesByType
}, pluginOptions) => {
  const {
    createNode
  } = actions;
  const {
    documentIds
  } = pluginOptions;

  const formatResult = content => content.replace(/"/g, "").replace(/\\/g, "");

  const fetchDocument = async url => {
    const response = await fetch(`${url}/no-markup`);

    if (!response.ok) {
      const error = new Error();
      error.code = response.status;
      throw error;
    }

    const json = await response.json();
    return formatResult(json.content);
  };

  const handleError = (error, name, documentId) => {
    // Error codes from https://www.iubenda.com/en/help/78-privacy-policy-direct-text-embedding-api#api
    switch (error.code) {
      case 404:
        console.log(`👀 ${name} for ${documentId} not found.`);
        break;

      case 403:
        console.log(`🛑 To access the ${name} for ${documentId} via API, convert it to Pro.`);
        break;

      case 500:
        console.log("❌ Application Error. Please contact info@iubenda.com for support.");
        break;

      default:
        console.log("❌ An unexpected error happened!");
        break;
    }
  };

  const logFetchSuccess = (name, documentId) => {
    console.log(`🚛 ${name} for ${documentId} fetched.`);
  };

  return await Promise.all(documentIds.map(async documentId => {
    const data = {
      privacyPolicy: null,
      cookiePolicy: null,
      termsAndConditions: null
    };

    try {
      const document = await fetchDocument(PRIVACY_URL + documentId);
      data.privacyPolicy = document;
      logFetchSuccess("Privacy Policy", documentId);
    } catch (error) {
      handleError(error, "Privacy Policy", documentId);
    }

    try {
      const document = await fetchDocument(PRIVACY_URL + documentId + "/cookie-policy");
      data.cookiePolicy = document;
      logFetchSuccess("Cookie Policy", documentId);
    } catch (error) {
      handleError(error, "Cookie Policy", documentId);
    }

    try {
      const document = await fetchDocument(TERMS_URL + documentId);
      data.termsAndConditions = document;
      logFetchSuccess("Terms and Conditions", documentId);
    } catch (error) {
      handleError(error, "Terms and Conditions", documentId);
    }

    createNode({ ...data,
      id: createNodeId(documentId),
      documentId: documentId,
      parent: null,
      children: [],
      internal: {
        type: "IubendaDocument",
        contentDigest: createContentDigest(data)
      }
    });
  }));
};