feat: add global weather support

app/api/notifications/daily-brief/route.ts

@@ -16,15 +16,27 @@ function isCronAuthorized(request: Request) {
   return authHeader === `Bearer ${secret}` || secretHeader === secret;
 }
 
-function getWarsawDateKey(date = new Date()) {
+const DEFAULT_MORNING_BRIEF_TIME = "07:00";
+
+function normalizeTime(value: string | undefined, fallback: string) {
+  return value && /^\d{2}:\d{2}$/.test(value) ? value : fallback;
+}
+
+function getLocalDateParts(timeZone: string | null, date = new Date()) {
   const parts = new Intl.DateTimeFormat("en-CA", {
-    timeZone: "Europe/Warsaw",
+    timeZone: timeZone || "Europe/Warsaw",
     year: "numeric",
     month: "2-digit",
     day: "2-digit",
+    hour: "2-digit",
+    minute: "2-digit",
+    hourCycle: "h23",
   }).formatToParts(date);
   const part = (type: Intl.DateTimeFormatPartTypes) => parts.find((entry) => entry.type === type)?.value ?? "";
-  return `${part("year")}-${part("month")}-${part("day")}`;
+  return {
+    dateKey: `${part("year")}-${part("month")}-${part("day")}`,
+    time: `${part("hour")}:${part("minute")}`,
+  };
 }
 
 export async function GET(request: Request) {
@@ -36,35 +48,43 @@ export async function GET(request: Request) {
   }
 
   const now = new Date();
-  const dateKey = getWarsawDateKey(now);
+  const briefTime = normalizeTime(process.env.NOTIFICATIONS_MORNING_BRIEF_TIME, DEFAULT_MORNING_BRIEF_TIME);
   const subscriptions = getPushSubscriptions().filter((subscription) => (
-    subscription.enabled
-    && subscription.morningBriefEnabled
+    subscription.morningBriefEnabled
     && Number.isFinite(subscription.latitude)
     && Number.isFinite(subscription.longitude)
   ));
   let warningsUnavailable = false;
-  const warnings = await fetchMeteoWarnings(AbortSignal.timeout(12_000)).catch(() => {
-    warningsUnavailable = true;
-    return [];
-  });
+  const hasPolishSubscriptions = subscriptions.some((subscription) => subscription.region === "PL");
+  const warnings = hasPolishSubscriptions
+    ? await fetchMeteoWarnings(AbortSignal.timeout(12_000)).catch(() => {
+      warningsUnavailable = true;
+      return [];
+    })
+    : [];
   let sent = 0;
   let skipped = 0;
   let failed = 0;
 
   for (const subscription of subscriptions) {
+    const localTime = getLocalDateParts(subscription.timezone, now);
+    if (localTime.time < briefTime) {
+      skipped += 1;
+      continue;
+    }
+    const dateKey = localTime.dateKey;
     if (hasSentMorningBrief(subscription.endpoint, dateKey)) {
       skipped += 1;
       continue;
     }
 
     try {
-      const forecast = await fetchServerForecast(subscription.latitude as number, subscription.longitude as number);
+      const forecast = await fetchServerForecast(subscription.latitude as number, subscription.longitude as number, subscription.region);
       const brief = buildWeatherBrief({
         forecast,
-        warnings,
+        warnings: subscription.region === "PL" ? warnings : [],
         province: subscription.province,
-        countyTeryt: subscription.countyTeryt,
+        countyTeryt: subscription.region === "PL" ? subscription.countyTeryt : null,
         locationName: subscription.locationName ?? "wtr.",
         language: subscription.language,
         temperatureUnit: subscription.temperatureUnit ?? DEFAULT_TEMPERATURE_UNIT,
@@ -87,7 +107,7 @@ export async function GET(request: Request) {
 
   return NextResponse.json({
     ok: true,
-    date: dateKey,
+    time: briefTime,
     subscriptions: subscriptions.length,
     warningsUnavailable,
     sent,