initial working status (overview for each device)

2026-05-24 20:04:22 +02:00
parent cf77016f81
commit 10a03b645c
12 changed files with 628 additions and 1 deletions
@@ -0,0 +1,72 @@
+<?php
+/*
+ *  dbQuery.php
+ *
+ *  This file is part of the VE.Direct web UI
+ *  https://git.schauaus.at/VE-Tools/VE.Direct-webui
+ *  It is licensed under the GPL3.0 or later.
+ *  You should have received a copy of the license with this software
+ */
+
+$config = json_decode( file_get_contents('../config.json') );
+$dbPath = (str_starts_with($config->database, '/')) ? $config->database : dirname(__FILE__) . '/../' . $config->database;
+try {
+	$db = new SQLite3($dbPath, SQLITE3_OPEN_READONLY);
+}
+catch (Exception $e) {
+	returnJson(['error'=>'Cannot conect to database! ' . $e->getMessage()], 400);
+}
+switch ($_REQUEST['q']) {
+	case 'deviceData':
+		getDeviceData();
+		break;
+	case 'devices':
+		getDevices();
+		break;
+	case 'metadata':
+		getMetaData();
+		break;
+	default:
+		returnJson(['error'=>'No request provided!'], 400);
+}
+
+function getDeviceData() {
+	if(!isset($_REQUEST['device'])) returnJson(['error'=>'No device provided'], 400);
+	$sql = "SELECT date, time, data FROM '" . $_REQUEST['device'] . "' ORDER BY date ASC, time ASC;";
+	$data = queryDb($sql);
+	if(!$data) returnJson(['error'=>'No data found'], 400);
+	returnJson($data);
+}
+
+function getDevices () {
+	$sql = "SELECT name FROM sqlite_schema WHERE name NOT LIKE 'sqlite_%' AND name <> 'meta' ORDER BY name ASC;";
+	$data = queryDb($sql);
+	if(!$data) returnJson(['error'=>'No devices found'], 400);
+	returnJson($data);
+}
+
+function getMetaData() {
+	$sql = "SELECT * FROM meta;";
+	$data = queryDb($sql);
+	if(!$data) returnJson(['error'=>'No metadata found in the database!'], 400);
+	returnJson($data);
+}
+
+function queryDb($sql) {
+	global $db;
+	$res = $db->query($sql);
+	if(!$res) return false;
+	$data = [];
+	while ( $resLine = $res->fetchArray(SQLITE3_NUM) )
+		array_push($data, $resLine);
+	if(count($data) == 0) return false;
+	return $data;
+}
+
+function returnJson($data, $status = 200) {
+	http_response_code($status);					//HTTP status code
+	header('Content-Type: application/json; charset=utf-8');	//HTTP headers
+	echo json_encode($data, JSON_UNESCAPED_UNICODE);		//send data
+	exit();
+}
+?>