#!/usr/bin/env node
/**
* Daily live event recap mailer.
* Queries today's events (JST) from SQLite and sends an HTML digest via the
* mail container (Postfix + OpenDKIM) which delivers directly to recipient MX.
*
* Env vars:
* DB_PATH path to SQLite database (default: /app/data/events.db)
* MAIL_HOST SMTP host (default: mail — the Postfix container)
* MAIL_PORT SMTP port (default: 25)
* RECAP_TO recipient address (default: mazideyabai@gmail.com)
*/
import Database from "better-sqlite3";
import { createConnection } from "net";
const DB_PATH = process.env.DB_PATH ?? "/app/data/events.db";
const MAIL_HOST = process.env.MAIL_HOST ?? "mail";
const MAIL_PORT = parseInt(process.env.MAIL_PORT ?? "25", 10);
const FROM = "noreply@golive.yyamashita.com";
const EHLO_DOMAIN = "golive.yyamashita.com";
const TO = process.env.RECAP_TO ?? "mazideyabai@gmail.com";
const APP_URL = "https://golive.yyamashita.com";
// ---- date helpers (JST = UTC+9) ----------------------------------------
const JST_MS = 9 * 60 * 60 * 1000;
function nowJST(): Date {
return new Date(Date.now() + JST_MS);
}
function isoDate(d: Date): string {
// Returns YYYY-MM-DD in JST
return new Date(d.getTime() + JST_MS).toISOString().slice(0, 10);
}
function fmtJST(dateStr: string): string {
const DOW = ["日", "月", "火", "水", "木", "金", "土"];
const d = new Date(`${dateStr}T12:00:00Z`);
const [y, m, day] = dateStr.split("-");
return `${y}/${m}/${day}（${DOW[d.getUTCDay()]}）`;
}
// ---- database ----------------------------------------------------------
interface EventRow {
id: number;
venue_name: string;
title: string;
artist: string | null;
date: string;
start_time: string | null;
price: string | null;
ticket_url: string | null;
source_url: string | null;
}
function fetchEvents(from: string, to: string): EventRow[] {
const db = new Database(DB_PATH, { readonly: true });
try {
return db
.prepare(
`SELECT e.id, v.name AS venue_name, e.title, e.artist,
e.date, e.start_time, e.price, e.ticket_url, e.source_url
FROM events e JOIN venues v ON e.venue_id = v.id
WHERE e.date >= ? AND e.date <= ?
ORDER BY e.date ASC, e.start_time ASC`
)
.all(from, to) as EventRow[];
} finally {
db.close();
}
}
// ---- HTML builder -------------------------------------------------------
function esc(s: string): string {
return s
.replace(/&/g, "&")
.replace(//g, ">")
.replace(/"/g, """);
}
function buildHtml(events: EventRow[], date: string): string {
const pageUrl = `${APP_URL}/events/by-date?date=${date}`;
const head = `
東京ライブハウス ${esc(fmtJST(date))} のライブ
${esc(pageUrl)}
`;
if (events.length === 0) {
return head + `本日のイベントはまだ登録されていません。
`;
}
let body = `\n| 会場 | アーティスト / タイトル | 開演 |
|---|
\n`;
for (const e of events) {
const url = e.ticket_url ?? e.source_url;
const inner = e.artist
? `${esc(e.artist)}
${esc(e.title)}`
: `${esc(e.title)}`;
const nameCell = url ? `${inner}` : inner;
const time = e.start_time ? esc(e.start_time) : `-`;
body += `| ${esc(e.venue_name)} | ${nameCell} | ${time} |
\n`;
}
body += `
\n`;
body += `\n`;
return head + body + `