Initial commit: Dockerize Cazubu

api.php

@@ -0,0 +1,81 @@
+<?php
+require_once 'includes/db_connect.php';
+
+// --- Parameter validieren ---
+if (!isset($_GET['apikey'], $_GET['pflanze'], $_GET['sensor'], $_GET['wert'])) {
+    http_response_code(400); // Bad Request
+    die('Error: Missing parameters.');
+}
+
+$api_key = $_GET['apikey'];
+$plant_id = (int)$_GET['pflanze'];
+$sensor_key = strtolower($_GET['sensor']);
+$value = $_GET['wert'];
+
+if (empty($api_key) || empty($plant_id) || empty($sensor_key) || !is_numeric($value)) {
+    http_response_code(400);
+    die('Error: Invalid parameters.');
+}
+
+// --- API-Key validieren und User-ID holen ---
+$user_id = null;
+$sql_user = "SELECT id FROM users WHERE api_key = ?";
+if ($stmt_user = $mysqli->prepare($sql_user)) {
+    $stmt_user->bind_param("s", $api_key);
+    $stmt_user->execute();
+    $result_user = $stmt_user->get_result();
+    if ($result_user->num_rows === 1) {
+        $user_id = $result_user->fetch_assoc()['id'];
+    }
+    $stmt_user->close();
+}
+
+if ($user_id === null) {
+    http_response_code(401); // Unauthorized
+    die('Error: Invalid API Key.');
+}
+
+// --- Pflanzen-Zugehörigkeit prüfen ---
+$sql_plant = "SELECT id FROM plants WHERE id = ? AND user_id = ?";
+if ($stmt_plant = $mysqli->prepare($sql_plant)) {
+    $stmt_plant->bind_param("ii", $plant_id, $user_id);
+    $stmt_plant->execute();
+    if ($stmt_plant->get_result()->num_rows === 0) {
+        http_response_code(403); // Forbidden
+        die('Error: Plant does not belong to user.');
+    }
+    $stmt_plant->close();
+}
+
+// --- Sensor-Typ mappen ---
+$sensor_map = [
+    'temp' => 'Temperatur',
+    'tmp' => 'Temperatur',
+    'temperatur' => 'Temperatur',
+    'feuchtigkeit' => 'Feuchtigkeit',
+    'humidity' => 'Feuchtigkeit',
+    'feucht' => 'Feuchtigkeit'
+];
+
+if (!array_key_exists($sensor_key, $sensor_map)) {
+    http_response_code(400);
+    die('Error: Unknown sensor type. Use temp or humidity.');
+}
+$db_sensor_type = $sensor_map[$sensor_key];
+
+// --- Daten in die Datenbank einfügen ---
+$sql_insert = "INSERT INTO sensor_data (plant_id, sensor_type, value) VALUES (?, ?, ?)";
+if ($stmt_insert = $mysqli->prepare($sql_insert)) {
+    $stmt_insert->bind_param("isd", $plant_id, $db_sensor_type, $value);
+    if ($stmt_insert->execute()) {
+        http_response_code(200);
+        echo "OK";
+    } else {
+        http_response_code(500);
+        die("Error: Could not save data.");
+    }
+    $stmt_insert->close();
+}
+
+$mysqli->close();
+?>