100 lines
3.6 KiB
JavaScript
100 lines
3.6 KiB
JavaScript
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const config = require('../config');
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const express = require('express');
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const router = express.Router(); // eslint-disable-line
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const got = require('got');
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const con = require('../db/connect');
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// Obtenemos los parametros
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router.get('/:truckFk', async(req, res) => {
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const ip = config.ip;
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const truckFk = req.params.truckFk;
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let bufferTime = [];
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let bufferEpcHex = [];
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let interval;
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let jsonMessage;
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console.log('--START BACKEND--');
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const stream = await got.stream(`http://${ip}/api/v1/data/stream`);
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stream
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.on('data', value => {
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// value = '{"timestamp":"2022-07-27T11:57:39.226680176Z","tagInventoryEvent":{"epc":"qrsAAAAAAAAFdgQg","epcHex":"AABB00000000000005760420","pc":"MAA=","antennaPort":4,"antennaName":"4","peakRssiCdbm":-7600,"lastSeenTime":"2022-07-27T11:57:39.041444Z","phaseAngle":46.05}}'
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let buffer = value.toString();
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buffer = buffer.split('\n');
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for (let result of buffer) {
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if (result && /{.*:{.*:.*}}/.test(result)) {
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const jsonResult = JSON.parse(result);
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let epcHex = jsonResult?.tagInventoryEvent?.epcHex;
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if (!epcHex) return;
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if (epcHex.search('AABB') == -1) return;
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// console.log(epcHex)
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epcHex = epcHex.replace('AABB', '');
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const existEpcHex = element => element == epcHex;
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const bufferIndex = bufferEpcHex.findIndex(existEpcHex);
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if (bufferIndex >= 0)
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return bufferTime[bufferIndex].count = bufferTime[bufferIndex].count + 1;
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const newObject = {
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code: epcHex,
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created: jsonResult.timestamp,
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peakRssi: jsonResult.tagInventoryEvent.peakRssiCdbm,
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count: 1
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};
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bufferEpcHex.push(epcHex);
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bufferTime.push(newObject);
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if (interval) {
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clearInterval(interval);
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interval = null;
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}
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interval = setInterval(insertDB, 5000, truckFk);
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}
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}
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})
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.on('close', () => {
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console.log('CLOSE_STREAM');
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});
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async function insertDB(truckFk) {
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clearInterval(interval);
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stream.destroy();
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interval = null;
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console.log('--INSERT IN DB--');
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console.log(bufferEpcHex, bufferTime, truckFk);
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const rfids = [];
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let response;
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for (let code of bufferEpcHex) {
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while (code.substring(0, 1) == 0)
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code = code.substring(1);
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rfids.push(code);
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}
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console.log('rfids', rfids.join(','));
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if (rfids.length)
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[response] = await con.query(`CALL vn.palletBuilding(?,?);`, [rfids.join(','), truckFk]);
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console.log(response);
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console.log(response[0]);
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console.log(response[0][0]);
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console.log(response[0][0]?.palletFk);
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bufferTime = [];
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bufferEpcHex = [];
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const pallet = response[0][0]?.palletFk;
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if (pallet) {
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const print = await con.query(`CALL vn.expeditionPallet_printLabel(?);`, [pallet]);
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console.log('print', print);
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jsonMessage = {pallet: pallet, print: print};
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stream.destroy();
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return res.json(jsonMessage);
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}
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return res.json({error: 'ERROR_CREATING_PALLET'});
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}
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});
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module.exports = router;
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