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https://github.com/BetterCorp/BetterFrame.git
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5b380d4694
RED.httpNode.post registers a raw express route with no body parser, so req.body was undefined and trigger payloads showed all fields null. Add a zero-dep readJsonBody helper that streams + parses req body.
76 lines
2.9 KiB
JavaScript
76 lines
2.9 KiB
JavaScript
/**
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* bf-kiosk-camera-event — fires on kiosk-originated camera events forwarded
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* from the BetterFrame server (ONVIF motion, object detection, line crossing,
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* GPIO pulse tagged to a camera, etc.).
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*
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* The server's api-http `/api/kiosk/events` endpoint persists each kiosk
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* event then calls `nodered.forward(topic, payload)` which POSTs to
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* `${noderedUrl}/in/<topic>`. This node self-registers a POST handler at a
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* fixed route — no upstream `http in` node required.
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*
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* Optional config:
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* - camera_id: only fire for that camera id
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*
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* Output msg shape (kept compatible with the previous filter version):
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* { topic, kiosk_id, camera_id, source_type, payload }
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*/
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const { readJsonBody } = require("./_http-body.js");
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module.exports = function (RED) {
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// Fixed ingest route. Server-side forwarders that want this node to receive
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// their event should POST to /in/camera.event. (Previous releases used a
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// glob-pattern filter over upstream http-in messages; that path is gone.)
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const TOPIC = "camera.event";
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const ROUTE = "/api/internal/" + TOPIC;
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function BfKioskCameraEventNode(config) {
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RED.nodes.createNode(this, config);
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const node = this;
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const filterIdRaw = (config.camera_id || "").toString().trim();
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const filterId = filterIdRaw && !isNaN(Number(filterIdRaw)) ? Number(filterIdRaw) : null;
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async function handler(req, res) {
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const body = await readJsonBody(req);
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const kioskId = body.kiosk_id !== undefined ? body.kiosk_id
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: body.source_kiosk_id !== undefined ? body.source_kiosk_id
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: null;
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const cameraId = body.camera_id !== undefined ? body.camera_id
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: body.source_camera_id !== undefined ? body.source_camera_id
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: null;
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if (filterId !== null && Number(cameraId) !== filterId) {
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return res.status(200).end();
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}
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const out = {
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topic: body.topic ? String(body.topic) : TOPIC,
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kiosk_id: kioskId,
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camera_id: cameraId,
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source_type: body.source_type || null,
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payload: body.payload !== undefined ? body.payload : body,
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};
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node.status({ fill: "green", shape: "dot", text: out.topic });
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node.send(out);
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res.status(200).end();
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}
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RED.httpNode.post(ROUTE, handler);
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node.on("close", function (done) {
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const stack = RED.httpNode && RED.httpNode._router && RED.httpNode._router.stack;
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if (stack) {
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for (let i = stack.length - 1; i >= 0; i--) {
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const layer = stack[i];
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if (!layer || !layer.route || layer.route.path !== ROUTE) continue;
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const inner = layer.route.stack;
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if (Array.isArray(inner)) {
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for (let j = inner.length - 1; j >= 0; j--) {
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if (inner[j] && inner[j].handle === handler) inner.splice(j, 1);
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}
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if (inner.length === 0) stack.splice(i, 1);
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}
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}
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}
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done();
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});
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}
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RED.nodes.registerType("bf-kiosk-camera-event", BfKioskCameraEventNode);
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};
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