Initial commit

dist/shared/services/mqttPublisher.js

@@ -0,0 +1,52 @@
+import { env } from "../../config/env";
+const forcedFailAll = String(env.MQTT_PUBLISH_FORCE_FAIL_ALL).toLowerCase() === "true";
+const forcedFailDevices = new Set(String(env.MQTT_PUBLISH_FORCE_FAIL_DEVICE_IDS)
+    .split(",")
+    .map((item) => item.trim())
+    .filter(Boolean));
+function shouldForceFail(deviceId) {
+    return forcedFailAll || forcedFailDevices.has(deviceId);
+}
+export function buildPaymentSuccessPayload(input) {
+    const displayAmount = `${input.amount.toLocaleString("id-ID")}`;
+    return {
+        message_type: "payment_success",
+        device_id: input.device_id,
+        event_id: input.event_id,
+        transaction_id: input.transaction_id,
+        merchant_id: input.merchant_id,
+        merchant_name: input.merchant_name,
+        amount: input.amount,
+        currency: input.currency,
+        paid_at: input.paid_at,
+        partner_reference: input.partner_reference,
+        audio_text: `Pembayaran diterima ${input.currency} ${displayAmount}`,
+        display_text: `Pembayaran diterima Rp${displayAmount}`
+    };
+}
+export function makePaymentSuccessTopic(deviceId) {
+    return `devices/${deviceId}/downlink/payment/success`;
+}
+export async function publishPaymentSuccess(payload) {
+    const publishedAt = new Date().toISOString();
+    const topic = makePaymentSuccessTopic(payload.device_id);
+    if (shouldForceFail(payload.device_id)) {
+        return {
+            ok: false,
+            topic,
+            qos: 1,
+            retained: false,
+            publishedAt,
+            reason: "MQTT_PUBLISH_SIMULATED_FAILURE",
+            payload
+        };
+    }
+    return {
+        ok: true,
+        topic,
+        qos: 1,
+        retained: false,
+        publishedAt,
+        payload
+    };
+}