synt_backend/helpers/notifier.js

Synt light-weight node backend service

var nodemailer = require("nodemailer");
var sesTransport = require("nodemailer-ses-transport");
const Email = require("email-templates");
const db = require("../mysql/models");
const Pusher = require("./push-notifications");

var SES_CREDENTIALS = {
  accessKeyId: process.env.SES_ACCESS_KEY_ID,
  secretAccessKey: process.env.SES_SECRET_ACCESS_KEY,
  region: process.env.AWS_REGION,
};

var transporter = nodemailer.createTransport(
  sesTransport({
    accessKeyId: SES_CREDENTIALS.accessKeyId,
    secretAccessKey: SES_CREDENTIALS.secretAccessKey,
    rateLimit: 5,
    region: "eu-west-1",
  })
);

/*
var transporter = nodemailer.createTransport({
  service: 'gmail',
  auth: {
    user: 'adriaandebolle@gmail.com',
    pass: 'xxxxx'
  }
});
*/

module.exports = {
  sendMail,
  sendNotification,
  notify,
  notifyUsers,
};

function sendAll(User, template, params) {
  console.log("Sending " + template + " for " + JSON.stringify(User));
  sendMail(User.email, template, params);
  sendNotification(User, template, params);
}

function notify(User, template, params = {}) {
  if (params.VME) {
    db.UserVME.findOne({
      where: { UserId: User.id, VMEId: params.VME.id },
    }).then((UserVME) => {
      if (!UserVME.is_disabled) {
        // user is not disabled within VME
        sendAll(User, template, { ...params, User });
      }
    });
  } else {
    // User notification without VME
    sendAll(User, template, { ...params, User });
  }
}

function notifyUsers({ VME, Users }, template, params = {}) {
  Users.forEach((User) => {
    sendAll(User, template, {
      ...params,
      User,
      VME,
    });
  });
}

function truncate(input) {
  if (input.length > 15) {
    return input.substring(0, 15) + "...";
  }
  return input;
}

function getAppMetaData(template, params) {
  let title, description, path;
  switch (template) {
    case "new_incident":
      title = `Nieuwe melding`;
      description = `Nieuwe melding toegevoegd door ${params.Notifier.full_name}: "${params.Incident.report_description}".`;
      path = `/app/incident/${params.Incident.id}`;
      break;
    case "keypoint_case_status_changed":
      title = "Statuswijziging melding";
      description = `Betreffende ${params.Incident.reference} (${truncate(
        params.Incident.report_description
      )}): ${params.Incident.case?.caseStatus?.description}`;
      path = `/app/incident/${params.Incident.id}`;
      break;
    case "keypoint_case_invoice_created":
      title = "Nieuwe factuur beschikbaar bij een melding";
      description = `Betreffende ${params.Incident.reference} (${truncate(
        params.Incident.report_description
      )}): nieuwe factuur`;
      path = `/app/incident/${params.Incident.id}`;
      break;
    case "update_lot":
      title = "Kavel aangepast";
      description = `Je kavel ${params.Lot.name} is gewijzigd.`;
      path = `/app/profile/lot/${params.Lot.id}`;
      break;
    // FIXME: date string EUROPEES
    case "new_meeting":
      title = "Nieuwe vergadering toegevoegd";
      description = `Er vindt een nieuwe vergadering, ${
        params.Meeting.name
      }, plaats op ${new Date(params.Meeting.starts_at).toLocaleDateString()}.`;
      path = `/app/meeting/${params.Meeting.id}`;
      break;
    case "update_meeting":
      title = "Details van vergadering gewijzigd";
      description = `Bekijk de wijzigingen van je vergadering, ${params.Meeting.name}.`;
      path = `/app/meeting/${params.Meeting.id}`;
      break;
    case "new_document":
      title = "Nieuw document toegevoegd";
      description = `Er is een nieuw document beschikbaar: ${params.Document.name}.`;
      path = `/app/documents/document/${params.Document.id}`;
      break;
    case "update_document":
      title = "Wijziging aan document";
      description = `Er is een wijziging in documentgroep: ${params.Document.name}.`;
      path = `/app/documents/document/${params.Document.id}`;
      break;
    case "new_user":
      title = "Nieuwe gebruiker";
      description = `Je bent nieuwe gebruiker voor VME ${params.VME.alias}.`;
      path = `/app/profile`;
      break;
    case "new_synt":
      title = "Nieuwe Synt";
      description = `Je bent de synt van VME, ${params.VME.alias}.`;
      path = `/app/profile`;
      break;
    case "new_commissioner":
      title = "Nieuwe Rekencommissaris";
      description = `Je bent de rekencommissaris van VME, ${params.VME.alias}.`;
      path = `/app/profile`;
      break;
    case "update_user":
      title = "Aanpassingen gebruikersprofiel";
      description = `Je gegevens zijn aangepast in VME ${params.VME.alias}.`;
      path = `/app/profile`;
      break;
    case "reminder":
      title = "Reminder";
      description = `Reminder ${params.Reminder.message}`;
      path = `/app/profile`;
      break;
    case "new_provision":
      title = "Nieuwe Provisie";
      description = `Provisie ${new Date(
        params.Provision.invoice_date
      ).toLocaleDateString()} ${params.Provision.Lot.name} in VME ${
        params.VME.alias
      }`;
      path = `/app/documents/provision/${params.Provision?.id}`;
      break;
    case "remind_provision":
      title = "Herinnering Provisie";
      description = `Provisie ${new Date(
        params.Provision.invoice_date
      ).toLocaleDateString()} ${params.Provision.Lot.name} in VME ${
        params.VME.alias
      }`;
      path = `/app/documents/provision/${params.Provision?.id}`;
      break;
  }
  return { title, description, path };
}

function sendNotification(User, template, params = {}) {
  console.log(`params`, params);
  const { title, description, path } = getAppMetaData(template, params);
  db.Notification.create({
    UserId: User.id,
    VMEId: params.VME?.id,
    title,
    description,
    path,
  })
    .then(() => {
      db.Device.findAll({ where: { UserId: User.id } }).then((Devices) => {
        let ids = [];
        for (const Device of Devices) {
          ids = [Device.apn_token, Device.fcm_token, ...ids];
        }
        console.log(
          "Trying to send notifications:",
          JSON.stringify(ids),
          "(" + User.email + ")"
        );
        Pusher.createPushService(ids).sendNotification(
          title,
          description,
          path,
          params?.VME?.id
        );
      });
      //console.log("Notification created:", Notification);
    })
    .catch((err) => console.log(err));
}

function sendMail(recipient, template, params = {}) {
  const { path } = getAppMetaData(template, params);
  const email = new Email({
    message: {
      from: "Synt Beheer <app@syntbeheer.be>",
      list: {
        unsubscribe: "https://synt.be/unsubscribe", //TODO: Make unsubscribe url
      },
    },
    // uncomment below to send emails in development/test env:
    // send: true,
    transport: transporter,
  });

  email
    .send({
      template: template,
      message: {
        to: recipient,
        ...(params.attachments && { attachments: params.attachments }),
      },
      locals: { ...params, path: path ? "synt://" + path : path },
    })
    .then(console.log)
    .catch(console.error);
}