56 lines
1.6 KiB
JavaScript
56 lines
1.6 KiB
JavaScript
import bodyParser from "body-parser";
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let state = {
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site: {
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grid: { power: 0 },
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pv: { power: 0 },
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battery: { power: 0, soc: 0 },
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},
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loadpoints: [{ power: 0, energy: 0, enabled: false, status: "A" }],
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vehicles: [{ soc: 0, range: 0 }],
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};
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const stateApiMiddleware = (req, res, next) => {
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if (req.method === "POST" && req.originalUrl === "/api/state") {
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console.log("[simulator] POST /api/state");
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state = req.body;
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res.end();
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} else if (req.method === "POST" && req.originalUrl === "/api/shutdown") {
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console.log("[simulator] POST /api/shutdown");
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res.end();
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process.exit();
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} else if (req.originalUrl === "/api/state") {
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res.end(JSON.stringify(state));
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} else {
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next();
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}
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};
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const openemsMiddleware = (req, res, next) => {
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const endpoints = {
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"/rest/channel/_sum/GridActivePower": { value: state.site.grid.power },
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"/rest/channel/_sum/ProductionActivePower": { value: state.site.pv.power },
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"/rest/channel/_sum/EssDischargePower": { value: state.site.battery.power },
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"/rest/channel/_sum/EssSoc": { value: state.site.battery.soc },
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};
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const endpoint = endpoints[req.originalUrl];
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if (req.method === "GET" && endpoint) {
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console.log("[simulator] GET", req.originalUrl);
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res.end(JSON.stringify(endpoint));
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} else {
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next();
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}
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};
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export default () => ({
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name: "api",
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enforce: "pre",
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configureServer(server) {
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console.log("[simulator] configured");
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return () => {
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server.middlewares.use(bodyParser.json());
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server.middlewares.use(stateApiMiddleware);
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server.middlewares.use(openemsMiddleware);
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};
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},
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});
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