first commit

pages/api/addLocation.js

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+// pages/api/addLocation.js
+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,
+};
+
+export default function handler(req, res) {
+  if (req.method === "POST") {
+    const { name, type, latitude, longitude } = req.body;
+    const connection = mysql.createConnection(dbConfig);
+
+    // Nutze ST_GeomFromText, um den Punkt zu erzeugen
+    const query =
+      "INSERT INTO poi (description, idPoiTyp, position) VALUES (?, ?, ST_GeomFromText(?))";
+    const point = `POINT(${longitude} ${latitude})`; // Achte auf die Reihenfolge: Längengrad (Longitude), Breitengrad (Latitude)
+    const values = [name, type, point];
+
+    connection.query(query, values, (error, results) => {
+      connection.end();
+
+      if (error) {
+        console.error("Fehler beim Einfügen des Standorts:", error);
+        return res.status(500).json({ error: "Ein Fehler ist aufgetreten" });
+      }
+
+      res.status(200).json({ id: results.insertId, message: "Standort erfolgreich hinzugefügt" });
+    });
+  } else {
+    res.setHeader("Allow", ["POST"]);
+    res.status(405).end(`Method ${req.method} Not Allowed`);
+  }
+}

pages/api/locations.js

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+// pages/api/locations.js
+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,
+};
+console.log("my dbconfig: ", dbConfig);
+export default function handler(req, res) {
+  
+  const connection = mysql.createConnection(dbConfig);
+
+  connection.connect((err) => {
+    if (err) {
+      console.error("Fehler beim Verbinden:", err.stack);
+      res.status(500).json({ error: "Verbindungsfehler zur Datenbank" });
+      return;
+    }
+
+    console.log("Verbunden als ID", connection.threadId);
+
+    connection.query(
+      "SELECT idPoi, description, idPoiTyp, ST_AsText(position) AS position FROM poi",
+      (error, results) => {
+        if (error) {
+          console.error("Fehler beim Abrufen der API",error);
+          res.status(500).json({ error: "Fehler bei der Abfrage" });
+          return;
+        }
+
+        // Wichtig: Senden Sie die Antwort zurück
+       res.status(200).json(results );
+       console.log( "--------------- location.js  ---------------","results in location.js : ",results, "---------------------- location.js end ---------------------------");
+        connection.end();
+      }
+    );
+  });
+
+  
+}

pages/api/updateLocation.js

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+// pages/api/updateLocation.js
+import mysql from "mysql";
+import util from "util";
+
+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,
+  charset: "utf8mb4",
+};
+
+export default async function handler(req, res) {
+  if (req.method !== "POST") {
+    res.setHeader("Allow", ["POST"]);
+    return res.status(405).end(`Method ${req.method} Not Allowed`);
+  }
+
+  const { id, latitude, longitude } = req.body;
+
+  const connection = mysql.createConnection(dbConfig);
+  // Promisify the query method
+  const query = util.promisify(connection.query).bind(connection);
+
+  try {
+    await query("UPDATE poi SET position = POINT(?, ?) WHERE idPoi = ?", [
+      longitude,
+      latitude,
+      id,
+    ]);
+    res.status(200).json({ success: true });
+  } catch (error) {
+    console.error(error);
+    res.status(500).json({ error: "Ein Fehler ist aufgetreten" });
+  } finally {
+    connection.end();
+  }
+}