287 lines
10 KiB
JavaScript
287 lines
10 KiB
JavaScript
// helper module to send emails with nodemailer
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const fs = require("fs");
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const path = require('path');
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const { MailtrapClient } = require("mailtrap");
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const nodemailer = require("nodemailer");
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const CON = require("./const");
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const CAL = require("./calendar");
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const Handlebars = require('handlebars');
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// const { google } = require("googleapis");
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// const OAuth2 = google.auth.OAuth2;
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const { Shift, Publisher, PrismaClient } = require("@prisma/client");
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const { env } = require("../../next.config");
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const SMTPTransport = require("nodemailer/lib/smtp-transport");
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var transporter;
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if (process.env.EMAIL_SERVICE.toLowerCase() === "mailtrap") {
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transporter = nodemailer.createTransport({
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host: process.env.MAILTRAP_HOST || "sandbox.smtp.mailtrap.io",
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port: process.env.MAILTRAP_PORT || 2525,
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auth: {
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user: process.env.MAILTRAP_USER,
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pass: process.env.MAILTRAP_PASS
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}
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});
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}
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else if (process.env.EMAIL_SERVICE.toLowerCase() === "gmail") {
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transporter = nodemailer.createTransport({
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service: "gmail",
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auth: {
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user: process.env.EMAIL_GMAIL_USERNAME,
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pass: process.env.EMAIL_GMAIL_APP_PASS
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}
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});
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}
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// ------------------ Email sending ------------------
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var lastResult = null;
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function setResult(result) {
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lastResult = result;
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}
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exports.GetLastResult = function () {
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return lastResult;
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};
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function normalizeEmailAddresses(to) {
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let emails = [];
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if (typeof to === 'string') {
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// Handle CSV string by splitting into an array
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if (to.includes(',')) emails = to.split(/\s*,\s*/);
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else emails = [to]; // Handle single email string
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} else if (Array.isArray(to)) {
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emails = to.map(item => {
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if (typeof item === 'string') return item;
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if (item.name && item.email) return `"${item.name}" <${item.email}>`;
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return JSON.stringify(item); // Handle unexpected object format
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});
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} else if (typeof to === 'object' && to.email) {
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// Handle single object
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emails = [`"${to.name}" <${to.email}>`];
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} else {
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// Fallback for other types
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emails = [String(to)];
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}
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return emails; // Always returns an array
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}
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/// <summary>
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/// Final email sending function.
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/// </summary>
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/// <param name="to">Email address or array of email addresses</param>
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/// <param name="subject">Email subject</param>
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/// <param name="text">Plain text version of the email</param>
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/// <param name="html">HTML version of the email</param>
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/// <param name="attachments">Array of attachment objects</param>
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/// <returns>Promise</returns>
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exports.SendEmail = async function (to, subject, text, html, attachments = []) {
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let sender = process.env.EMAIL_SENDER || '"Специално Свидетелстване София" <sofia@mwitnessing.com>';
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let emailAddresses = normalizeEmailAddresses(to)
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const bypassEmailReccipients = process.env.EMAIL_BYPASS_TO || null;
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if (bypassEmailReccipients !== null && bypassEmailReccipients.length > 0) {
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emailAddresses = bypassEmailReccipients;
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console.log("Emails bypassed. All mails sent to: " + emailAddresses);
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}
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const message = {
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from: sender,
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to: emailAddresses,
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subject,
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text,
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html,
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attachments
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};
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let result = await transporter
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.sendMail(message)
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.then(console.log)
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.catch(console.error);
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return result;
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};
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exports.SendEmailHandlebars = async function (to, templateName, model, attachments = []) {
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try {
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// Ensure the sender and mailtrapTestClient are correctly defined or imported
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// Load and compile the main template
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const mainTemplateSource = fs.readFileSync(path.join(process.cwd(), 'src', 'templates', 'emails', 'main.hbs'), 'utf8');
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const mainTemplate = Handlebars.compile(mainTemplateSource);
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// Dynamically load and compile the specified template
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const templateSource = fs.readFileSync(path.join(process.cwd(), 'src', 'templates', 'emails', `${templateName}.hbs`), 'utf8');
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// Extract subject and optional text version from the template source
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const subjectMatch = templateSource.match(/{{!--\s*Subject:\s*(.*?)\s*--}}/);
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const textMatch = templateSource.match(/{{!--\s*Text:\s*([\s\S]*?)\s*--}}/);
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let subject = subjectMatch ? subjectMatch[1].trim() : 'ССОМ: Известие';
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let textVersion = textMatch ? textMatch[1].trim() : null;
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// Remove the subject and text annotations from the template source
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const cleanTemplateSource = templateSource.replace(/{{!-- Subject: .* --}}/, '').replace(/{{!-- Text: [\s\S]*? --}}/, '');
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// const cleanTemplateSource = templateSource
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// .replace(/{{!--\s*Subject:.*?--}}\s*/, '')
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// .replace(/{{!--\s*Text:.*?--}}\s*/, '');
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// Compile the cleaned template
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const template = Handlebars.compile(cleanTemplateSource);
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// Render the specified template with the provided model
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const templateHtml = template(model);
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// Render the main template, inserting the specific template HTML
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const html = mainTemplate({ body: templateHtml });
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// Generate a plain text version if not explicitly provided
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let text = textVersion || html.replace(/<[^>]*>?/gm, ''); // Simple regex to strip HTML tags. Might need refinement.
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subject = Handlebars.compile(subject)(model);
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text = Handlebars.compile(text)(model);
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let results = this.SendEmail(to, subject, text, html, attachments);
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return results;
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} catch (error) {
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console.error(error);
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return new Error('Error sending email');
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}
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};
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exports.SendEmail_NewShifts = async function (publisher, shifts) {
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if (shifts.length === 0) return;
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var date = new Date(shifts[0].startTime);
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// Generate ICS calendar links for all shifts
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const icsLink = CAL.GenerateICS(shifts);
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// Prepare the shifts string
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const shiftStr = shifts.map((s) => {
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return `${CON.weekdaysBG[s.startTime.getDay()]} ${CON.GetDateFormat(s.startTime)} at ${s.cartEvent.location.name} from ${CON.GetTimeFormat(s.startTime)} to ${CON.GetTimeFormat(s.endTime)}`;
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}).join("<br>");
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// Define the model for the Handlebars template
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const model = {
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publisherFirstName: publisher.firstName,
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publisherLastName: publisher.lastName,
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month: CON.monthNamesBG[date.getMonth()],
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shifts: shiftStr,
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sentDate: new Date().toLocaleDateString() // Assuming you want to include the sent date in the email
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};
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await exports.SendEmailHandlebars(publisher.email, "newShifts", model,
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[{
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filename: "calendar.ics",
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content: icsLink,
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contentType: 'text/calendar' // Ensure this is correctly set for the ICS file
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}]
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).then(console.log).catch(console.error);
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};
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//----------------------- OLD -----------------------------
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// exports.SendEmail_NewShifts = async function (publisher, shifts) {
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// if (shifts.length == 0) return;
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// var date = new Date(shifts[0].startTime);
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// //generate ICS calendar links for all shifts
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// const icsLink = CAL.GenerateICS(shifts);
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// const shftStr = shifts
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// .map((s) => {
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// return ` ${CON.weekdaysBG[s.startTime.getDay()]
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// } ${CON.GetDateFormat(s.startTime)} ${s.cartEvent.location.name
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// } ${CON.GetTimeFormat(s.startTime)} - ${CON.GetTimeFormat(
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// s.endTime
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// )}`;
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// })
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// .join("\n");
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// await client.send({
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// from: sender,
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// to: [
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// {
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// email: "dobromir.popov@gmail.com",//publisher.email,
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// name: publisher.firstName + " " + publisher.lastName,
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// },
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// ],
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// subject: "[CCC]: вашите смени през " + CON.monthNamesBG[date.getMonth()],
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// text:
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// "Здравей, " + publisher.firstName + " " + publisher.lastName + "!\n\n" +
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// "Ти регистриран да получавате известия за нови смени на количка.\n" +
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// `За месец ${CON.monthNamesBG[date.getMonth()]} имате следните смени:\n` +
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// ` ${shftStr} \n\n\n` +
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// "Поздрави,\n" +
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// "Специално Свидетелстване София",
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// attachments: [
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// {
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// filename: "calendar.ics",
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// content_id: "calendar.ics",
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// disposition: "inline",
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// content: icsLink,
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// },
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// ],
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// })
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// .then(console.log, console.error, setResult);
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// };
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// // https://mailtrap.io/blog/sending-emails-with-nodemailer/
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// exports.SendEmail_Example = async function (to) {
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// const welcomeImage = fs.readFileSync(
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// path.join(CON.contentPath, "welcome.png")
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// );
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// await client
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// .send({
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// category: "test",
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// custom_variables: {
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// hello: "world",
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// year: 2022,
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// anticipated: true,
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// },
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// from: sender,
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// to: [{ email: to }],
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// subject: "Hello from Mailtrap!",
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// html: `<!doctype html>
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// <html>
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// <head>
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// <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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// </head>
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// <body style="font-family: sans-serif;">
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// <div style="display: block; margin: auto; max-width: 600px;" class="main">
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// <h1 style="font-size: 18px; font-weight: bold; margin-top: 20px">Congrats for sending test email with Mailtrap!</h1>
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// <p>Inspect it using the tabs you see above and learn how this email can be improved.</p>
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// <img alt="Inspect with Tabs" src="cid:welcome.png" style="width: 100%;">
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// <p>Now send your email using our fake SMTP server and integration of your choice!</p>
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// <p>Good luck! Hope it works.</p>
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// </div>
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// <!-- Example of invalid for email html/css, will be detected by Mailtrap: -->
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// <style>
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// .main { background-color: white; }
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// a:hover { border-left-width: 1em; min-height: 2em; }
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// </style>
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// </body>
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// </html>`,
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// attachments: [
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// {
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// filename: "welcome.png",
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// content_id: "welcome.png",
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// disposition: "inline",
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// content: welcomeImage,
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// },
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// ],
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// })
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// .then(console.log, console.error, setResult);
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// };
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