Files
nodeMap/pages/api back30/talas5/webserviceMap/gisStationsMeasurementsSQL.js
2024-08-10 10:32:37 +02:00

70 lines
2.0 KiB
JavaScript

import mysql from "mysql";
const dbConfig = {
host: process.env.DB_HOST,
user: process.env.DB_USER,
password: process.env.DB_PASSWORD,
database: process.env.DB_NAME,
port: process.env.DB_PORT,
};
const connection = mysql.createConnection(dbConfig);
connection.connect((err) => {
if (err) {
console.error("Fehler beim Verbinden:", err.stack);
return;
}
console.log("Database connected successfully.");
});
export default function handler(req, res) {
const idMap = req.query.idMap;
if (req.method !== "GET") {
return res.status(405).json({ error: "Nur GET Methode erlaubt" });
}
connection.query(`
SELECT
ld.idLD,
dp.idDP,
dp.name AS Na,
dp.value AS Val,
dp.unit AS Unit,
mg.name AS Gr,
ld.idLocation,
area.Name AS Area_Name
FROM location_device as ld
LEFT JOIN location_coordinates AS co ON ld.idLocation = co.idLocation and co.idMaps = ${idMap}
LEFT JOIN devices AS de ON de.idDevice = ld.idDevice
LEFT JOIN datapoint AS dp ON ld.idLD = dp.idLD
LEFT JOIN message_group AS mg ON dp.idmessage_group = mg.idmessage_group
LEFT JOIN location AS loc ON ld.idLocation = loc.idLocation
LEFT JOIN area AS area ON loc.idArea = area.idArea
WHERE co.X > 0 AND dp.idmessage_group>0 AND length(dp.unit)> 0 AND length(dp.value)> 0
`, (error, results) => {
if (error) {
console.error("Fehler beim Abrufen der gis_lines:", error);
return res
.status(500)
.json({ error: "Fehler beim Abrufen der gis_lines" });
}
const response = {
"Name": "Liste aller Messungen der Geraete",
"Zeitstempel": new Date().toISOString(),
"IdMap":idMap,
"Statis": results.map((row) => ({
IdLD: row.idLD,
IdDP: row.idDP,
Na: row.Na,
Val: row.Val,
Unit: row.Unit,
Gr: row.Gr,
IdLocation: row.IdLocation,
Area_Name: row.Area_Name,
})),
};
res.json(response);
});
}