121 lines
3.5 KiB
TypeScript
121 lines
3.5 KiB
TypeScript
import _ from "lodash";
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import deepExtend from "deep-extend";
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import { readFileSync, promises as fs } from "graceful-fs";
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import moment from "moment";
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import { htmlToText } from "nodemailer-html-to-text";
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import { config } from "../config";
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import Logger from "../logger";
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import { editNodeUrl } from "../utils/urlBuilder";
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import type { Transporter } from "nodemailer";
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import type { MailData, Mail } from "../types";
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const templateBasePath = __dirname + "/../mailTemplates";
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const snippetsBasePath = templateBasePath + "/snippets";
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const templateFunctions: {
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[key: string]:
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| ((name: string, data: MailData) => string)
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| ((data: MailData) => string)
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| ((href: string, text: string) => string)
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| ((unix: number) => string);
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} = {};
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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function renderSnippet(this: any, name: string, data: MailData): string {
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const snippetFile = snippetsBasePath + "/" + name + ".html";
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return _.template(readFileSync(snippetFile).toString())(
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deepExtend(
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{},
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this, // parent data
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data,
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templateFunctions
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)
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);
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}
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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function snippet(name: string): (this: any, data: MailData) => string {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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return function (this: any, data: MailData): string {
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return renderSnippet.bind(this)(name, data);
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};
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}
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function renderLink(href: string, text: string): string {
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// noinspection HtmlUnknownTarget
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return _.template(
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'<a href="<%- href %>#" style="color: #E5287A;"><%- text %></a>'
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)({
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href: href,
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text: text || href,
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});
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}
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function renderHR(): string {
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return '<hr style="border-top: 1px solid #333333; border-left: 0; border-right: 0; border-bottom: 0;" />';
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}
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function formatDateTime(unix: number): string {
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return moment.unix(unix).locale("de").local().format("DD.MM.YYYY HH:mm");
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}
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function formatFromNow(unix: number): string {
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return moment.unix(unix).locale("de").fromNow();
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}
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templateFunctions.header = snippet("header");
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templateFunctions.footer = snippet("footer");
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templateFunctions.monitoringFooter = snippet("monitoring-footer");
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templateFunctions.snippet = renderSnippet;
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templateFunctions.link = renderLink;
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templateFunctions.hr = renderHR;
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templateFunctions.formatDateTime = formatDateTime;
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templateFunctions.formatFromNow = formatFromNow;
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export function configureTransporter(transporter: Transporter): void {
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transporter.use(
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"compile",
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htmlToText({
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tables: [".table"],
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})
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);
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}
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export async function render(
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mailOptions: Mail
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): Promise<{ subject: string; body: string }> {
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const templatePathPrefix = templateBasePath + "/" + mailOptions.email;
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const subject = await fs.readFile(templatePathPrefix + ".subject.txt");
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const body = await fs.readFile(templatePathPrefix + ".body.html");
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const data = deepExtend(
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{},
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mailOptions.data,
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{
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community: config.client.community,
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editNodeUrl: editNodeUrl(),
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},
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templateFunctions
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);
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try {
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return {
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subject: _.template(subject.toString())(data).trim(),
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body: _.template(body.toString())(data),
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};
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} catch (error) {
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Logger.tag("mail", "template").error(
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"Error rendering template for mail[" + mailOptions.id + "]:",
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error
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);
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throw error;
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}
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}
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