Daniel Volz
1080 lines
41 KiB
TypeScript
1080 lines
41 KiB
TypeScript
import { closeSync, existsSync, mkdirSync, openSync, readFileSync, statSync, unlinkSync, writeFileSync } from "node:fs";
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import { resolve } from "node:path";
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import { and, eq } from "drizzle-orm";
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import nodemailer from "nodemailer";
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import { db } from "../db/client.js";
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import { getDataDir } from "../db/db-utils.js";
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import { doseTracking, medications, userSettings } from "../db/schema.js";
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import { getFooterHtml, getFooterPlain, getTranslations, type Language, t } from "../i18n/translations.js";
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import { getAllUserSettings, sendShoutrrrNotification, type UserSettings } from "../routes/settings.js";
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import type { ServiceLogger } from "../utils/logger.js";
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import {
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isAmountBasedPackageType,
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isLiquidContainerPackageType,
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isTubePackageType,
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normalizePackageType,
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} from "../utils/package-profiles.js";
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// Import shared utilities
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import {
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type Blister,
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calculateDepletionInfo,
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countScheduledOccurrencesInRange,
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createDefaultReminderState,
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formatInTimezone,
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getCurrentHourInTimezone,
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getDateOnlyTimestamp,
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getMsUntilNextCheck,
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getNextScheduledOccurrenceTime,
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getNextScheduledTime,
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getTimezone,
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getTodayInTimezone,
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normalizeIntakeUsageForStock,
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parseIntakesJson,
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parseLocalDateTime,
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parseReminderState,
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parseTakenByJson,
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type ReminderState,
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} from "../utils/scheduler-utils.js";
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function escapeHtml(text: string): string {
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const htmlEscapes: Record<string, string> = {
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"&": "&",
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"<": "<",
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">": ">",
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'"': """,
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"'": "'",
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};
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return text.replace(/[&<>"']/g, (char) => htmlEscapes[char] || char);
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}
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type MailDeliveryInfo = {
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accepted?: unknown;
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rejected?: unknown;
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response?: unknown;
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};
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function normalizeRecipients(value: unknown): string[] {
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if (!Array.isArray(value)) return [];
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return value
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.map((entry) => (typeof entry === "string" ? entry : String(entry ?? "")))
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.map((entry) => entry.trim())
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.filter(Boolean);
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}
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function getDeliveryError(info: MailDeliveryInfo): string | null {
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const accepted = normalizeRecipients(info.accepted);
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const rejected = normalizeRecipients(info.rejected);
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if (accepted.length > 0) return null;
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if (rejected.length > 0) {
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return `SMTP rejected all recipients: ${rejected.join(", ")}`;
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}
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if (typeof info.response === "string" && info.response.trim()) {
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return `SMTP did not confirm accepted recipients. Response: ${info.response}`;
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}
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return "SMTP did not confirm accepted recipients.";
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}
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const REMINDER_HOUR = parseInt(process.env.REMINDER_HOUR ?? "6", 10); // Default 6:00 AM local time
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const reminderStateFile = resolve(getDataDir(), "reminder-state.json");
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const reminderLocksDir = resolve(getDataDir(), "scheduler-locks");
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const LOCK_STALE_MS = 15 * 60 * 1000;
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function ensureReminderLocksDir(): void {
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if (!existsSync(reminderLocksDir)) {
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mkdirSync(reminderLocksDir, { recursive: true });
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}
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}
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function acquireReminderSendLock(lockKey: string): string | null {
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ensureReminderLocksDir();
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const lockFilePath = resolve(reminderLocksDir, `${lockKey}.lock`);
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const tryCreateLock = (): boolean => {
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try {
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const fd = openSync(lockFilePath, "wx");
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closeSync(fd);
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return true;
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} catch {
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return false;
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}
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};
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if (tryCreateLock()) {
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return lockFilePath;
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}
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try {
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const stats = statSync(lockFilePath);
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if (Date.now() - stats.mtimeMs > LOCK_STALE_MS) {
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unlinkSync(lockFilePath);
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if (tryCreateLock()) {
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return lockFilePath;
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}
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}
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} catch {
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// ignore; lock acquisition fails safely
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}
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return null;
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}
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function releaseReminderSendLock(lockFilePath: string | null): void {
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if (!lockFilePath) return;
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try {
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unlinkSync(lockFilePath);
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} catch {
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// ignore release errors
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}
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}
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function loadReminderState(): ReminderState {
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try {
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if (existsSync(reminderStateFile)) {
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return parseReminderState(readFileSync(reminderStateFile, "utf-8"));
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}
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} catch {
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// ignore
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}
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return createDefaultReminderState();
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}
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function saveReminderState(state: ReminderState): void {
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writeFileSync(reminderStateFile, JSON.stringify(state, null, 2));
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}
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export function getReminderState(): ReminderState {
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return loadReminderState();
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}
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export function updateReminderSentTime(
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type: "stock" | "intake" | "prescription" = "stock",
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channel: "email" | "push" | "both" = "email"
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): void {
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const state = loadReminderState();
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const today = getTodayInTimezone();
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saveReminderState({
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...state,
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lastAutoEmailSent: new Date().toISOString(),
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lastAutoEmailDate: today,
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lastNotificationType: type,
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lastNotificationChannel: channel,
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});
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}
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// Update user settings in database when reminder is sent
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// Stock and intake reminders are tracked separately so neither overwrites the other
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export async function updateUserReminderSentTime(
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userId: number,
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type: "stock" | "intake" | "prescription" = "stock",
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channel: "email" | "push" | "both" = "email",
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medName?: string,
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takenBy?: string
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): Promise<void> {
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const now = new Date().toISOString();
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if (type === "stock") {
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// Write to dedicated stock reminder columns only — do NOT touch the shared
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// lastNotificationType column, as that would block intake reminder display
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await db
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.update(userSettings)
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.set({
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lastStockReminderSent: now,
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lastStockReminderChannel: channel,
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lastStockReminderMedNames: medName ?? null,
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})
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.where(eq(userSettings.userId, userId));
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} else if (type === "prescription") {
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// Write to dedicated prescription reminder columns only
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await db
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.update(userSettings)
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.set({
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lastPrescriptionReminderSent: now,
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lastPrescriptionReminderChannel: channel,
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lastPrescriptionReminderMedNames: medName ?? null,
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})
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.where(eq(userSettings.userId, userId));
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} else {
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// Write to intake reminder columns
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await db
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.update(userSettings)
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.set({
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lastAutoEmailSent: now,
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lastNotificationType: type,
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lastNotificationChannel: channel,
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lastReminderMedName: medName ?? null,
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lastReminderTakenBy: takenBy ?? null,
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})
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.where(eq(userSettings.userId, userId));
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}
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}
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type LowStockItem = {
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name: string;
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medsLeft: number;
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daysLeft: number | null;
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depletionDate: string | null;
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isCritical: boolean;
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};
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function getLiquidReminderThresholds(baselineDays: number): { lowDays: number; criticalDays: number } {
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const lowDays = Math.max(1, Math.floor(baselineDays));
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const criticalDays = Math.max(1, Math.ceil(lowDays / 2));
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return { lowDays, criticalDays };
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}
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type PrescriptionReminderItem = {
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name: string;
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remainingRefills: number;
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lowThreshold: number;
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expiryDate: string | null;
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};
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async function getMedicationsNeedingReminder(
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userId: number,
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reminderDaysBefore: number,
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lowStockDays: number,
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language: Language,
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stockCalculationMode: "automatic" | "manual"
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): Promise<LowStockItem[]> {
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const rows = await db
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.select()
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.from(medications)
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.where(and(eq(medications.userId, userId), eq(medications.isObsolete, false)))
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.orderBy(medications.id);
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const takenDoseRows = await db
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.select()
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.from(doseTracking)
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.where(and(eq(doseTracking.userId, userId), eq(doseTracking.dismissed, false)));
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const takenDoseIdsByMed = new Map<number, Set<string>>();
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const takenDoseTimestamps = new Map<string, number>();
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for (const dose of takenDoseRows) {
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const parts = dose.doseId.split("-");
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if (parts.length < 3) continue;
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const medId = parseInt(parts[0], 10);
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if (Number.isNaN(medId)) continue;
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if (!takenDoseIdsByMed.has(medId)) {
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takenDoseIdsByMed.set(medId, new Set());
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}
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takenDoseIdsByMed.get(medId)!.add(dose.doseId);
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const rawTakenAt = Number(dose.takenAt);
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let takenAtMs: number;
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if (Number.isFinite(rawTakenAt)) {
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takenAtMs = rawTakenAt < 1_000_000_000_000 ? rawTakenAt * 1000 : rawTakenAt;
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} else {
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takenAtMs = new Date(dose.takenAt).getTime();
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}
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takenDoseTimestamps.set(dose.doseId, takenAtMs);
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}
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const lowStock: LowStockItem[] = [];
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const now = Date.now();
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for (const row of rows) {
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const packageType = normalizePackageType(row.packageType);
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// Tube stock reminders are intentionally disabled:
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// topical usage in grams cannot be mapped reliably to schedule events.
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if (isTubePackageType(packageType)) continue;
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const intakes = parseIntakesJson(
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row.intakesJson,
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{ usageJson: row.usageJson, everyJson: row.everyJson, startJson: row.startJson },
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row.intakeRemindersEnabled ?? false
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);
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const blisters: Blister[] = intakes.map((i) => ({
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usage: normalizeIntakeUsageForStock(i, row.medicationForm, row.packageType),
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every: i.every,
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start: i.start,
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scheduleMode: i.scheduleMode,
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weekdays: i.weekdays,
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}));
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const originalTotalPills = isAmountBasedPackageType(packageType)
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? row.looseTablets + (row.stockAdjustment ?? 0)
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: row.packCount * row.blistersPerPack * row.pillsPerBlister + row.looseTablets + (row.stockAdjustment ?? 0);
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const stockCorrectionCutoff = row.lastStockCorrectionAt ? new Date(row.lastStockCorrectionAt).getTime() : 0;
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const takenDoseIds = takenDoseIdsByMed.get(row.id) ?? new Set<string>();
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let consumed = 0;
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if (stockCalculationMode === "automatic") {
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blisters.forEach((blister, blisterIdx) => {
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const blisterStart = parseLocalDateTime(blister.start).getTime();
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if (Number.isNaN(blisterStart)) return;
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const effectiveStart =
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stockCorrectionCutoff > 0 && stockCorrectionCutoff >= blisterStart
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? getNextScheduledOccurrenceTime(blister, stockCorrectionCutoff, false)
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: blisterStart;
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if (effectiveStart === null) return;
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const intake = intakes[blisterIdx];
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const intakePerson = intake?.takenBy;
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const fallbackPeople = parseTakenByJson(row.takenByJson);
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let peopleForThisIntake: Array<string | null>;
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if (intakePerson) {
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peopleForThisIntake = [intakePerson];
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} else if (fallbackPeople.length > 0) {
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peopleForThisIntake = fallbackPeople;
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} else {
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peopleForThisIntake = [null];
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}
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let timeBasedConsumed = 0;
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let lastAutoConsumedDateMs = 0;
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if (effectiveStart <= now) {
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const { count: occurrences, lastOccurrenceMs } = countScheduledOccurrencesInRange(
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blister,
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effectiveStart,
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now
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);
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timeBasedConsumed = occurrences * blister.usage * peopleForThisIntake.length;
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if (lastOccurrenceMs !== null) {
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lastAutoConsumedDateMs = getDateOnlyTimestamp(new Date(lastOccurrenceMs));
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}
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}
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const stockCorrectionDateOnly =
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stockCorrectionCutoff > 0 ? getDateOnlyTimestamp(new Date(stockCorrectionCutoff)) : 0;
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const earlyCutoff = Math.max(lastAutoConsumedDateMs, stockCorrectionDateOnly);
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let earlyTakenConsumed = 0;
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for (const doseId of takenDoseIds) {
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const parts = doseId.split("-");
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if (parts.length < 3) continue;
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const bIdx = parseInt(parts[1], 10);
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const timestamp = parseInt(parts[2], 10);
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if (!Number.isNaN(bIdx) && !Number.isNaN(timestamp) && bIdx === blisterIdx && timestamp > earlyCutoff) {
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earlyTakenConsumed += blister.usage;
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}
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}
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consumed += timeBasedConsumed + earlyTakenConsumed;
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});
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} else {
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blisters.forEach((blister, blisterIdx) => {
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const blisterStart = parseLocalDateTime(blister.start);
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const blisterStartDateOnly = new Date(
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blisterStart.getFullYear(),
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blisterStart.getMonth(),
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blisterStart.getDate()
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).getTime();
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if (Number.isNaN(blisterStartDateOnly)) return;
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for (const doseId of takenDoseIds) {
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const parts = doseId.split("-");
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if (parts.length < 3) continue;
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const parsedBlisterIdx = parseInt(parts[1], 10);
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const doseTimestamp = parseInt(parts[2], 10);
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if (Number.isNaN(parsedBlisterIdx) || Number.isNaN(doseTimestamp) || parsedBlisterIdx !== blisterIdx) {
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continue;
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}
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const takenAt = takenDoseTimestamps.get(doseId) ?? 0;
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const afterCorrectionOrNoCorrection = stockCorrectionCutoff === 0 || takenAt > stockCorrectionCutoff;
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if (doseTimestamp >= blisterStartDateOnly && afterCorrectionOrNoCorrection) {
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consumed += blister.usage;
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}
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}
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});
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}
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const currentPills = Math.max(0, originalTotalPills - consumed);
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const { daysLeft, depletionDate } = calculateDepletionInfo({ count: currentPills, blisters }, language);
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if (daysLeft === null) continue;
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const isLiquid = isLiquidContainerPackageType(packageType);
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const { lowDays, criticalDays } = isLiquid
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? getLiquidReminderThresholds(reminderDaysBefore)
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: { lowDays: lowStockDays, criticalDays: reminderDaysBefore };
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const isCritical = daysLeft <= criticalDays;
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const isLow = isLiquid ? daysLeft <= lowDays : daysLeft < lowDays;
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if (isCritical || isLow) {
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lowStock.push({
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name: row.name,
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medsLeft: currentPills,
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daysLeft,
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depletionDate,
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isCritical,
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});
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}
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}
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return lowStock;
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}
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async function getMedicationsNeedingPrescriptionReminder(userId: number): Promise<PrescriptionReminderItem[]> {
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const rows = await db
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.select()
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.from(medications)
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.where(and(eq(medications.userId, userId), eq(medications.isObsolete, false)))
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.orderBy(medications.id);
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return rows
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.filter(
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(row) =>
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(row.prescriptionEnabled ?? false) &&
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(row.prescriptionRemainingRefills ?? 0) <= (row.prescriptionLowRefillThreshold ?? 1)
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)
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.map((row) => ({
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name: row.name,
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remainingRefills: row.prescriptionRemainingRefills ?? 0,
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lowThreshold: row.prescriptionLowRefillThreshold ?? 1,
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expiryDate: row.prescriptionExpiryDate ?? null,
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}));
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}
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// Test-only hook to validate scheduler stock semantics against planner/coverage behavior.
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export async function getMedicationsNeedingReminderForTests(
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userId: number,
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reminderDaysBefore: number,
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lowStockDays: number,
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language: Language,
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stockCalculationMode: "automatic" | "manual"
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): Promise<
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Array<{
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name: string;
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medsLeft: number;
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daysLeft: number | null;
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depletionDate: string | null;
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isCritical: boolean;
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}>
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> {
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return getMedicationsNeedingReminder(userId, reminderDaysBefore, lowStockDays, language, stockCalculationMode);
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}
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async function sendReminderEmail(
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email: string,
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lowStock: LowStockItem[],
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language: Language,
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isRepeatDaily: boolean = false
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): Promise<{ success: boolean; error?: string }> {
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const smtpHost = process.env.SMTP_HOST;
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const smtpUser = process.env.SMTP_USER;
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const smtpPass = process.env.SMTP_TOKEN || process.env.SMTP_PASS; // Token takes precedence
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const smtpPort = parseInt(process.env.SMTP_PORT ?? "587", 10);
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const smtpSecure = process.env.SMTP_SECURE === "true";
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const smtpFrom = process.env.SMTP_FROM ?? smtpUser;
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if (!smtpHost || !smtpUser) {
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return { success: false, error: "SMTP not configured" };
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}
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const tr = getTranslations(language);
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// Separate into 3 categories: empty, critical, and low stock
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const emptyMeds = lowStock.filter((item) => item.medsLeft <= 0);
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const criticalMeds = lowStock.filter((item) => item.medsLeft > 0 && item.isCritical);
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const lowStockMeds = lowStock.filter((item) => item.medsLeft > 0 && !item.isCritical);
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// Build per-category alert boxes
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const alertParts: string[] = [];
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if (emptyMeds.length > 0) {
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const emptyAlert =
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emptyMeds.length === 1
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? tr.stockReminder.alertEmptySingle
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: t(tr.stockReminder.alertEmptyMultiple, { count: emptyMeds.length });
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alertParts.push(`
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<div style="padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: #fef2f2; border: 1px solid #dc2626;">
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<p style="margin: 0; color: #dc2626; font-weight: 600; font-size: 13px;">${emptyAlert}</p>
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</div>`);
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}
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if (criticalMeds.length > 0) {
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const criticalAlert =
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criticalMeds.length === 1
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? tr.stockReminder.alertLowSingle
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: t(tr.stockReminder.alertLowMultiple, { count: criticalMeds.length });
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alertParts.push(`
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<div style="padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: #fff7ed; border: 1px solid #ea580c;">
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<p style="margin: 0; color: #c2410c; font-weight: 600; font-size: 13px;">${criticalAlert}</p>
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</div>`);
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|
}
|
|
if (lowStockMeds.length > 0) {
|
|
const lowAlert =
|
|
lowStockMeds.length === 1
|
|
? tr.stockReminder.alertLowStockSingle
|
|
: t(tr.stockReminder.alertLowStockMultiple, { count: lowStockMeds.length });
|
|
alertParts.push(`
|
|
<div style="padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; background: #fffbeb; border: 1px solid #f59e0b;">
|
|
<p style="margin: 0; color: #b45309; font-weight: 500; font-size: 13px;">${lowAlert}</p>
|
|
</div>`);
|
|
}
|
|
const alertHtml = alertParts.join("");
|
|
|
|
// Build description text
|
|
let descriptionText: string;
|
|
if (emptyMeds.length > 0 && (criticalMeds.length > 0 || lowStockMeds.length > 0)) {
|
|
descriptionText = tr.stockReminder.descriptionMixed;
|
|
} else if (emptyMeds.length > 0) {
|
|
descriptionText = tr.stockReminder.descriptionEmpty;
|
|
} else if (criticalMeds.length > 0) {
|
|
descriptionText = tr.stockReminder.description;
|
|
} else {
|
|
descriptionText = tr.stockReminder.descriptionLow;
|
|
}
|
|
|
|
// Build table rows with status indicator
|
|
const tableRows = lowStock
|
|
.map((row) => {
|
|
const isEmpty = row.medsLeft <= 0;
|
|
const isCritical = row.isCritical;
|
|
const nonEmptyIcon = isCritical ? "🚨" : "⚠️";
|
|
const statusIcon = isEmpty ? "🚨" : nonEmptyIcon;
|
|
const nonEmptyBg = isCritical ? "#fff7ed" : "white";
|
|
const rowBg = isEmpty ? "#fef2f2" : nonEmptyBg;
|
|
return `
|
|
<tr style="background: ${rowBg};">
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; white-space: nowrap;">${statusIcon} ${row.name}</td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap; ${isEmpty ? "color: #dc2626; font-weight: 600;" : ""}"><strong>${row.medsLeft}</strong></td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap;">${row.daysLeft ?? 0}</td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap;">${isEmpty ? `<strong>${tr.stockReminder.now ?? "-"}</strong>` : (row.depletionDate ?? "-")}</td>
|
|
</tr>`;
|
|
})
|
|
.join("");
|
|
|
|
const html = `
|
|
<div style="font-family: system-ui, -apple-system, sans-serif; max-width: 100%; margin: 0 auto; padding: 12px; background: #f9fafb;">
|
|
<div style="background: white; border-radius: 12px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.1);">
|
|
<h2 style="color: #1f2937; margin: 0 0 8px; font-size: 18px;">${emptyMeds.length > 0 ? "🚨" : "⚠️"} MedAssist-ng - ${tr.push.reorderNow}</h2>
|
|
<p style="color: #6b7280; margin: 0 0 16px; font-size: 13px;">${descriptionText}</p>
|
|
|
|
${alertHtml}
|
|
|
|
<div style="overflow-x: auto; -webkit-overflow-scrolling: touch;">
|
|
<table style="width: 100%; border-collapse: collapse; background: white; min-width: 400px;">
|
|
<thead>
|
|
<tr style="background: #f3f4f6;">
|
|
<th style="padding: 10px 12px; text-align: left; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.stockReminder.tableHeaders.medication}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.stockReminder.tableHeaders.pills}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.stockReminder.tableHeaders.days}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.stockReminder.tableHeaders.runsOut}</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
${tableRows}
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
|
|
<hr style="border: none; border-top: 1px solid #e5e7eb; margin: 16px 0;" />
|
|
<p style="color: #9ca3af; font-size: 11px; margin: 0;">
|
|
${getFooterHtml(language)}
|
|
</p>
|
|
${isRepeatDaily ? `<p style="color: #9ca3af; font-size: 11px; margin: 8px 0 0 0; font-style: italic;">${tr.stockReminder.repeatDailyNote}</p>` : ""}
|
|
</div>
|
|
</div>
|
|
`;
|
|
|
|
const plainText = `${tr.stockReminder.title}
|
|
|
|
${tr.stockReminder.description}
|
|
|
|
${lowStock.map((r) => `${r.name}: ${r.medsLeft} ${tr.common.pills}, ${r.daysLeft ?? 0} ${tr.common.days}, ${tr.stockReminder.tableHeaders.runsOut}: ${r.depletionDate ?? tr.common.soon}`).join("\n")}
|
|
|
|
---
|
|
${getFooterPlain(language)}${isRepeatDaily ? `\n\n${tr.stockReminder.repeatDailyNote}` : ""}`;
|
|
|
|
const pluralSuffix = language === "de" ? "e" : "s";
|
|
const subjectPlural = lowStock.length === 1 ? "" : pluralSuffix;
|
|
const subject = t(tr.stockReminder.subject, { count: lowStock.length, s: subjectPlural, e: subjectPlural });
|
|
|
|
try {
|
|
const transporter = nodemailer.createTransport({
|
|
host: smtpHost,
|
|
port: smtpPort,
|
|
secure: smtpSecure,
|
|
auth: {
|
|
user: smtpUser,
|
|
pass: smtpPass ?? "",
|
|
},
|
|
});
|
|
|
|
const mailResult = await transporter.sendMail({
|
|
from: smtpFrom,
|
|
to: email,
|
|
subject,
|
|
text: plainText,
|
|
html,
|
|
});
|
|
|
|
const deliveryError = getDeliveryError(mailResult);
|
|
if (deliveryError) {
|
|
throw new Error(deliveryError);
|
|
}
|
|
|
|
return { success: true };
|
|
} catch (error) {
|
|
const errorMessage = error instanceof Error ? error.message : "Unknown error";
|
|
return { success: false, error: errorMessage };
|
|
}
|
|
}
|
|
|
|
async function checkAndSendReminder(logger: ServiceLogger): Promise<void> {
|
|
// Track stock-scheduler daily execution separately from intake updates.
|
|
// This prevents intake reminders from suppressing stock catch-up after restarts.
|
|
const state = loadReminderState();
|
|
const today = getTodayInTimezone();
|
|
saveReminderState({
|
|
...state,
|
|
lastStockSchedulerCheckDate: today,
|
|
});
|
|
|
|
// Get all user settings to iterate over each user
|
|
const allUserSettings = await getAllUserSettings();
|
|
|
|
if (allUserSettings.length === 0) {
|
|
logger.debug("[Reminder] No users with settings found");
|
|
return;
|
|
}
|
|
|
|
for (const userSettings of allUserSettings) {
|
|
await checkAndSendReminderForUser(userSettings, logger);
|
|
}
|
|
}
|
|
|
|
async function checkAndSendReminderForUser(
|
|
settings: UserSettings & { userId: number },
|
|
logger: ServiceLogger
|
|
): Promise<void> {
|
|
const language = settings.language;
|
|
const tr = getTranslations(language);
|
|
|
|
const stockEmailEnabled = settings.emailEnabled && settings.notificationEmail && settings.emailStockReminders;
|
|
const stockPushEnabled = settings.shoutrrrEnabled && settings.shoutrrrUrl && settings.shoutrrrStockReminders;
|
|
const prescriptionEmailEnabled =
|
|
settings.emailEnabled && settings.notificationEmail && settings.emailPrescriptionReminders;
|
|
const prescriptionPushEnabled =
|
|
settings.shoutrrrEnabled && settings.shoutrrrUrl && settings.shoutrrrPrescriptionReminders;
|
|
|
|
if (!stockEmailEnabled && !stockPushEnabled && !prescriptionEmailEnabled && !prescriptionPushEnabled) {
|
|
return;
|
|
}
|
|
|
|
const state = loadReminderState();
|
|
const today = getTodayInTimezone(); // YYYY-MM-DD in configured timezone
|
|
const userStateKey = `user_${settings.userId}`;
|
|
const userStockNotifiedKey = `${userStateKey}_${today}_stock`;
|
|
const userPrescriptionNotifiedKey = `${userStateKey}_${today}_prescription`;
|
|
|
|
const allLowStock = await getMedicationsNeedingReminder(
|
|
settings.userId,
|
|
settings.reminderDaysBefore,
|
|
settings.lowStockDays,
|
|
language,
|
|
settings.stockCalculationMode
|
|
);
|
|
const allPrescriptionLow = await getMedicationsNeedingPrescriptionReminder(settings.userId);
|
|
|
|
if (allLowStock.length > 0 && (stockEmailEnabled || stockPushEnabled)) {
|
|
if (!state.notifiedMedications.includes(userStockNotifiedKey) || settings.repeatDailyReminders) {
|
|
const stockSendLock = acquireReminderSendLock(userStockNotifiedKey);
|
|
if (!stockSendLock) {
|
|
logger.debug("[Reminder] Stock reminder lock already held, skipping duplicate send");
|
|
} else {
|
|
try {
|
|
logger.info(`[Reminder] Sending stock reminder for ${allLowStock.length} medications...`);
|
|
|
|
let emailSuccess = false;
|
|
let shoutrrrSuccess = false;
|
|
|
|
if (stockEmailEnabled) {
|
|
const result = await sendReminderEmail(
|
|
settings.notificationEmail!,
|
|
allLowStock,
|
|
language,
|
|
settings.repeatDailyReminders
|
|
);
|
|
emailSuccess = result.success;
|
|
if (!result.success) {
|
|
logger.error(`[Reminder] Failed to send stock email: ${result.error}`);
|
|
}
|
|
}
|
|
|
|
if (stockPushEnabled) {
|
|
const emptyMeds = allLowStock.filter((m) => m.medsLeft <= 0);
|
|
const criticalMeds = allLowStock.filter((m) => m.medsLeft > 0 && m.isCritical);
|
|
const lowStockMeds = allLowStock.filter((m) => m.medsLeft > 0 && !m.isCritical);
|
|
|
|
const titleParts: string[] = [];
|
|
if (emptyMeds.length > 0) titleParts.push(`🚨 ${emptyMeds.length} ${tr.push.empty}`);
|
|
if (criticalMeds.length > 0) titleParts.push(`🚨 ${criticalMeds.length} ${tr.push.critical}`);
|
|
if (lowStockMeds.length > 0) titleParts.push(`⚠️ ${lowStockMeds.length} ${tr.push.lowStock}`);
|
|
const title = `MedAssist-ng: ${titleParts.join(", ")} - ${tr.push.reorderNow}`;
|
|
|
|
const messageParts: string[] = [];
|
|
if (emptyMeds.length > 0) {
|
|
messageParts.push(`🚨 ${tr.push.emptySection}:`);
|
|
emptyMeds.forEach((m) => messageParts.push(` • ${m.name}`));
|
|
}
|
|
if (criticalMeds.length > 0) {
|
|
if (messageParts.length > 0) messageParts.push("");
|
|
messageParts.push(`🚨 ${tr.push.criticalSection}:`);
|
|
criticalMeds.forEach((m) =>
|
|
messageParts.push(
|
|
` • ${m.name}: ${t(tr.push.pillsLeft, { count: m.medsLeft })}, ${t(tr.push.daysLeft, { count: m.daysLeft ?? 0 })}`
|
|
)
|
|
);
|
|
}
|
|
if (lowStockMeds.length > 0) {
|
|
if (messageParts.length > 0) messageParts.push("");
|
|
messageParts.push(`⚠️ ${tr.push.lowStockSection}:`);
|
|
lowStockMeds.forEach((m) =>
|
|
messageParts.push(
|
|
` • ${m.name}: ${t(tr.push.pillsLeft, { count: m.medsLeft })}, ${t(tr.push.daysLeft, { count: m.daysLeft ?? 0 })}`
|
|
)
|
|
);
|
|
}
|
|
const message = `${messageParts.join("\n")}\n\n---\n${getFooterPlain(language)}`;
|
|
const result = await sendShoutrrrNotification(settings.shoutrrrUrl!, title, message);
|
|
shoutrrrSuccess = result.success;
|
|
if (!result.success) {
|
|
logger.error(`[Reminder] Failed to send stock push: ${result.error}`);
|
|
}
|
|
}
|
|
|
|
if (emailSuccess || shoutrrrSuccess) {
|
|
const currentState = loadReminderState();
|
|
const singleChannel = emailSuccess ? "email" : "push";
|
|
const channel = emailSuccess && shoutrrrSuccess ? "both" : singleChannel;
|
|
saveReminderState({
|
|
lastAutoEmailSent: new Date().toISOString(),
|
|
lastAutoEmailDate: today,
|
|
lastStockSchedulerCheckDate: currentState.lastStockSchedulerCheckDate,
|
|
notifiedMedications: [...new Set([...currentState.notifiedMedications, userStockNotifiedKey])],
|
|
nextScheduledCheck: currentState.nextScheduledCheck,
|
|
lastNotificationType: "stock",
|
|
lastNotificationChannel: channel,
|
|
});
|
|
|
|
const medNames = allLowStock.map((m) => m.name).join(", ");
|
|
await updateUserReminderSentTime(settings.userId, "stock", channel, medNames);
|
|
}
|
|
} finally {
|
|
releaseReminderSendLock(stockSendLock);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (allPrescriptionLow.length > 0 && (prescriptionEmailEnabled || prescriptionPushEnabled)) {
|
|
if (!state.notifiedMedications.includes(userPrescriptionNotifiedKey) || settings.repeatDailyReminders) {
|
|
const prescriptionSendLock = acquireReminderSendLock(userPrescriptionNotifiedKey);
|
|
if (!prescriptionSendLock) {
|
|
logger.debug("[Reminder] Prescription reminder lock already held, skipping duplicate send");
|
|
} else {
|
|
try {
|
|
// Re-check using fresh state after acquiring lock and pre-mark today as notified.
|
|
// This blocks duplicate sends when two reminder checks overlap in time.
|
|
const lockedState = loadReminderState();
|
|
const alreadyNotified = lockedState.notifiedMedications.includes(userPrescriptionNotifiedKey);
|
|
const shouldSend = !alreadyNotified || settings.repeatDailyReminders;
|
|
if (!shouldSend) {
|
|
logger.debug("[Reminder] Prescription reminder already marked as sent today, skipping");
|
|
}
|
|
|
|
const preMarkedNotified =
|
|
!shouldSend || alreadyNotified
|
|
? lockedState.notifiedMedications
|
|
: [...new Set([...lockedState.notifiedMedications, userPrescriptionNotifiedKey])];
|
|
if (shouldSend && !alreadyNotified) {
|
|
saveReminderState({
|
|
lastAutoEmailSent: lockedState.lastAutoEmailSent,
|
|
lastAutoEmailDate: lockedState.lastAutoEmailDate,
|
|
lastStockSchedulerCheckDate: lockedState.lastStockSchedulerCheckDate,
|
|
notifiedMedications: preMarkedNotified,
|
|
nextScheduledCheck: lockedState.nextScheduledCheck,
|
|
lastNotificationType: lockedState.lastNotificationType,
|
|
lastNotificationChannel: lockedState.lastNotificationChannel,
|
|
});
|
|
}
|
|
|
|
if (shouldSend) {
|
|
logger.info(`[Reminder] Sending prescription reminder for ${allPrescriptionLow.length} medications...`);
|
|
|
|
const emptyRx = allPrescriptionLow.filter((m) => m.remainingRefills <= 0);
|
|
const lowRx = allPrescriptionLow.filter((m) => m.remainingRefills > 0);
|
|
const lines = allPrescriptionLow.map((m) => {
|
|
const expirySuffix = m.expiryDate ? t(tr.prescriptionReminder.expiresSuffix, { date: m.expiryDate }) : "";
|
|
if (m.remainingRefills <= 0) {
|
|
return `- ${t(tr.prescriptionReminder.lineEmpty, {
|
|
name: m.name,
|
|
expirySuffix,
|
|
})}`;
|
|
}
|
|
return `- ${t(tr.prescriptionReminder.line, {
|
|
name: m.name,
|
|
refills: m.remainingRefills,
|
|
expirySuffix,
|
|
})}`;
|
|
});
|
|
|
|
let emailSuccess = false;
|
|
let shoutrrrSuccess = false;
|
|
|
|
if (prescriptionEmailEnabled) {
|
|
const smtpHost = process.env.SMTP_HOST;
|
|
const smtpUser = process.env.SMTP_USER;
|
|
const smtpPass = process.env.SMTP_TOKEN || process.env.SMTP_PASS;
|
|
const smtpPort = parseInt(process.env.SMTP_PORT ?? "587", 10);
|
|
const smtpSecure = process.env.SMTP_SECURE === "true";
|
|
const smtpFrom = process.env.SMTP_FROM ?? smtpUser;
|
|
|
|
if (smtpHost && smtpUser) {
|
|
try {
|
|
const transporter = nodemailer.createTransport({
|
|
host: smtpHost,
|
|
port: smtpPort,
|
|
secure: smtpSecure,
|
|
auth: { user: smtpUser, pass: smtpPass ?? "" },
|
|
});
|
|
|
|
const subject =
|
|
allPrescriptionLow.length === 1
|
|
? tr.prescriptionReminder.subjectSingle
|
|
: t(tr.prescriptionReminder.subjectMultiple, { count: allPrescriptionLow.length });
|
|
|
|
const bodyText =
|
|
emptyRx.length > 0
|
|
? tr.prescriptionReminder.descriptionEmpty
|
|
: tr.prescriptionReminder.descriptionLow;
|
|
const emptyAlert =
|
|
emptyRx.length === 1
|
|
? tr.prescriptionReminder.alertEmptySingle
|
|
: t(tr.prescriptionReminder.alertEmptyMultiple, { count: emptyRx.length });
|
|
const lowAlert =
|
|
lowRx.length === 1
|
|
? tr.prescriptionReminder.alertLowSingle
|
|
: t(tr.prescriptionReminder.alertLowMultiple, { count: lowRx.length });
|
|
const alertText = emptyRx.length > 0 ? emptyAlert : lowAlert;
|
|
|
|
const tableRows = allPrescriptionLow
|
|
.map((item) => {
|
|
const isEmpty = item.remainingRefills <= 0;
|
|
const safeName = escapeHtml(item.name);
|
|
const safeRefills = Number(item.remainingRefills) || 0;
|
|
const safeThreshold = Number(item.lowThreshold) || 0;
|
|
const safeExpiry = item.expiryDate ? escapeHtml(String(item.expiryDate)) : "-";
|
|
const rowBg = isEmpty ? "#fef2f2" : "white";
|
|
return `
|
|
<tr style="background: ${rowBg};">
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; white-space: nowrap;">${isEmpty ? "🚨" : "⚠️"} ${safeName}</td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap; ${isEmpty ? "color: #dc2626; font-weight: 600;" : ""}"><strong>${safeRefills}</strong></td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap;">${safeThreshold}</td>
|
|
<td style="padding: 10px 12px; border-bottom: 1px solid #e5e7eb; text-align: center; white-space: nowrap;">${safeExpiry}</td>
|
|
</tr>`;
|
|
})
|
|
.join("");
|
|
|
|
const html = `
|
|
<div style="font-family: system-ui, -apple-system, sans-serif; max-width: 100%; margin: 0 auto; padding: 12px; background: #f9fafb;">
|
|
<div style="background: white; border-radius: 12px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.1);">
|
|
<h2 style="color: #1f2937; margin: 0 0 8px; font-size: 18px;">${emptyRx.length > 0 ? tr.prescriptionReminder.titleEmpty : tr.prescriptionReminder.title}</h2>
|
|
<p style="color: #6b7280; margin: 0 0 16px; font-size: 13px;">${bodyText}</p>
|
|
|
|
<div style="padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; ${
|
|
emptyRx.length > 0
|
|
? "background: #fef2f2; border: 1px solid #dc2626;"
|
|
: "background: #fffbeb; border: 1px solid #f59e0b;"
|
|
}">
|
|
<p style="margin: 0; ${emptyRx.length > 0 ? "color: #dc2626; font-weight: 600;" : "color: #b45309; font-weight: 500;"} font-size: 13px;">
|
|
${alertText}
|
|
</p>
|
|
</div>
|
|
|
|
<div style="overflow-x: auto; -webkit-overflow-scrolling: touch;">
|
|
<table style="width: 100%; border-collapse: collapse; background: white; min-width: 460px;">
|
|
<thead>
|
|
<tr style="background: #f3f4f6;">
|
|
<th style="padding: 10px 12px; text-align: left; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.prescriptionReminder.tableHeaders.medication}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.prescriptionReminder.tableHeaders.refillsLeft}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.prescriptionReminder.tableHeaders.reminderThreshold}</th>
|
|
<th style="padding: 10px 12px; text-align: center; font-size: 11px; text-transform: uppercase; color: #6b7280; white-space: nowrap;">${tr.prescriptionReminder.tableHeaders.prescriptionExpires}</th>
|
|
</tr>
|
|
</thead>
|
|
<tbody>
|
|
${tableRows}
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
|
|
<hr style="border: none; border-top: 1px solid #e5e7eb; margin: 16px 0;" />
|
|
<p style="color: #9ca3af; font-size: 11px; margin: 0;">
|
|
${getFooterHtml(language)}
|
|
</p>
|
|
${settings.repeatDailyReminders ? `<p style="color: #9ca3af; font-size: 11px; margin: 8px 0 0 0; font-style: italic;">${tr.prescriptionReminder.repeatDailyNote}</p>` : ""}
|
|
</div>
|
|
</div>
|
|
`;
|
|
const text = `${emptyRx.length > 0 ? tr.prescriptionReminder.titleEmpty : tr.prescriptionReminder.title}\n\n${bodyText}\n\n${lines.join("\n")}\n\n---\n${getFooterPlain(language)}${settings.repeatDailyReminders ? `\n\n${tr.prescriptionReminder.repeatDailyNote}` : ""}`;
|
|
|
|
const mailResult = await transporter.sendMail({
|
|
from: smtpFrom,
|
|
to: settings.notificationEmail!,
|
|
subject,
|
|
text,
|
|
html,
|
|
});
|
|
const deliveryError = getDeliveryError(mailResult);
|
|
if (deliveryError) {
|
|
throw new Error(deliveryError);
|
|
}
|
|
emailSuccess = true;
|
|
} catch (error) {
|
|
const errorMessage = error instanceof Error ? error.message : "Unknown error";
|
|
logger.error(`[Reminder] Failed to send prescription email: ${errorMessage}`);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (prescriptionPushEnabled) {
|
|
const titleParts: string[] = [];
|
|
if (emptyRx.length > 0)
|
|
titleParts.push(
|
|
`🚨 ${emptyRx.length} ${emptyRx.length === 1 ? tr.prescriptionReminder.pushEmptySingle : tr.prescriptionReminder.pushEmpty}`
|
|
);
|
|
if (lowRx.length > 0)
|
|
titleParts.push(
|
|
`🚨 ${lowRx.length} ${lowRx.length === 1 ? tr.prescriptionReminder.pushLowSingle : tr.prescriptionReminder.pushLow}`
|
|
);
|
|
const title = `MedAssist-ng: ${titleParts.join(", ")} - ${tr.prescriptionReminder.pushRenewNow}`;
|
|
|
|
const messageParts: string[] = [];
|
|
if (emptyRx.length > 0) {
|
|
messageParts.push(`🚨 ${tr.prescriptionReminder.pushEmptySection}:`);
|
|
for (const m of emptyRx) {
|
|
messageParts.push(` • ${m.name}`);
|
|
}
|
|
}
|
|
if (lowRx.length > 0) {
|
|
if (emptyRx.length > 0) messageParts.push("");
|
|
messageParts.push(`🚨 ${tr.prescriptionReminder.pushLowSection}:`);
|
|
for (const m of lowRx) {
|
|
messageParts.push(
|
|
` • ${m.name}: ${t(tr.prescriptionReminder.pushRefillsLeft, { count: m.remainingRefills })}`
|
|
);
|
|
}
|
|
}
|
|
const message = `${messageParts.join("\n")}\n\n---\n${getFooterPlain(language)}`;
|
|
const result = await sendShoutrrrNotification(settings.shoutrrrUrl!, title, message);
|
|
shoutrrrSuccess = result.success;
|
|
if (!result.success) {
|
|
logger.error(`[Reminder] Failed to send prescription push: ${result.error}`);
|
|
}
|
|
}
|
|
|
|
if (emailSuccess || shoutrrrSuccess) {
|
|
const currentState = loadReminderState();
|
|
const singleChannel = emailSuccess ? "email" : "push";
|
|
const channel = emailSuccess && shoutrrrSuccess ? "both" : singleChannel;
|
|
saveReminderState({
|
|
lastAutoEmailSent: new Date().toISOString(),
|
|
lastAutoEmailDate: today,
|
|
lastStockSchedulerCheckDate: currentState.lastStockSchedulerCheckDate,
|
|
notifiedMedications: [...new Set([...currentState.notifiedMedications, userPrescriptionNotifiedKey])],
|
|
nextScheduledCheck: currentState.nextScheduledCheck,
|
|
lastNotificationType: "prescription",
|
|
lastNotificationChannel: channel,
|
|
});
|
|
|
|
const medNames = allPrescriptionLow.map((m) => m.name).join(", ");
|
|
await updateUserReminderSentTime(settings.userId, "prescription", channel, medNames);
|
|
} else if (!alreadyNotified) {
|
|
// Roll back pre-mark when both channels failed so retries remain possible.
|
|
const currentState = loadReminderState();
|
|
saveReminderState({
|
|
lastAutoEmailSent: currentState.lastAutoEmailSent,
|
|
lastAutoEmailDate: currentState.lastAutoEmailDate,
|
|
lastStockSchedulerCheckDate: currentState.lastStockSchedulerCheckDate,
|
|
notifiedMedications: currentState.notifiedMedications.filter(
|
|
(key) => key !== userPrescriptionNotifiedKey
|
|
),
|
|
nextScheduledCheck: currentState.nextScheduledCheck,
|
|
lastNotificationType: currentState.lastNotificationType,
|
|
lastNotificationChannel: currentState.lastNotificationChannel,
|
|
});
|
|
}
|
|
}
|
|
} finally {
|
|
releaseReminderSendLock(prescriptionSendLock);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
let schedulerTimeout: NodeJS.Timeout | null = null;
|
|
let schedulerStarted = false;
|
|
|
|
function scheduleNextCheck(logger: ServiceLogger): void {
|
|
const msUntilNext = getMsUntilNextCheck(REMINDER_HOUR);
|
|
const nextTime = getNextScheduledTime(REMINDER_HOUR);
|
|
|
|
// Save next scheduled time to state
|
|
const state = loadReminderState();
|
|
saveReminderState({
|
|
...state,
|
|
nextScheduledCheck: nextTime.toISOString(),
|
|
});
|
|
|
|
logger.debug(
|
|
`[Reminder] Next check scheduled for ${formatInTimezone(nextTime)} (${getTimezone()}) (in ${Math.round(msUntilNext / 1000 / 60)} minutes)`
|
|
);
|
|
|
|
schedulerTimeout = setTimeout(() => {
|
|
checkAndSendReminder(logger).catch((err) => logger.error(`[Reminder] Error: ${err}`));
|
|
// Schedule the next check after this one completes
|
|
scheduleNextCheck(logger);
|
|
}, msUntilNext);
|
|
}
|
|
|
|
export function startReminderScheduler(logger: ServiceLogger): void {
|
|
if (schedulerStarted) {
|
|
logger.info(`[Reminder] Scheduler already started, skipping duplicate start call`);
|
|
return;
|
|
}
|
|
schedulerStarted = true;
|
|
logger.info(`[Reminder] Starting reminder scheduler (timezone: ${getTimezone()})...`);
|
|
|
|
// Check if we need to run immediately (missed today's check)
|
|
const state = loadReminderState();
|
|
const today = getTodayInTimezone();
|
|
const currentHour = getCurrentHourInTimezone();
|
|
|
|
// If it's past REMINDER_HOUR today in the configured timezone and we haven't checked today, run one catch-up.
|
|
// This is intentionally a single current-state snapshot (no replay of missed days).
|
|
if (currentHour >= REMINDER_HOUR && state.lastStockSchedulerCheckDate !== today) {
|
|
logger.info("[Reminder] Missed today's check, running one catch-up snapshot (no historical replay)...");
|
|
checkAndSendReminder(logger).catch((err) => logger.error(`[Reminder] Error: ${err}`));
|
|
}
|
|
|
|
// Schedule next check at REMINDER_HOUR
|
|
scheduleNextCheck(logger);
|
|
|
|
logger.info(`[Reminder] Scheduler started - daily check at ${REMINDER_HOUR}:00 ${getTimezone()}`);
|
|
}
|
|
|
|
export async function runReminderSchedulerNow(logger: ServiceLogger): Promise<void> {
|
|
logger.info(`[Reminder] Manual trigger: running reminder check now (${getTimezone()})`);
|
|
await checkAndSendReminder(logger);
|
|
}
|
|
|
|
export function stopReminderScheduler(): void {
|
|
if (schedulerTimeout) {
|
|
clearTimeout(schedulerTimeout);
|
|
schedulerTimeout = null;
|
|
}
|
|
schedulerStarted = false;
|
|
}
|