database

html/launcher.php

@@ -13,8 +13,8 @@ if ($type == "get_npm_sqlite_data") {
         $db = new PDO("sqlite:$database_path");
         $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     
-        // Fetch the last 10 records
-        $stmt = $db->query("SELECT timestamp, PM1, PM25, PM10 FROM data ORDER BY timestamp DESC LIMIT 10");
+        // Fetch the last 30 records
+        $stmt = $db->query("SELECT timestamp, PM1, PM25, PM10 FROM data ORDER BY timestamp DESC LIMIT 30");
         $data = $stmt->fetchAll(PDO::FETCH_ASSOC);
     
         echo json_encode($data);
@@ -92,6 +92,57 @@ if ($type == "clear_loopLogs") {
     echo $output;
 }
 
+if ($type == "database_size") {
+    
+// Path to the SQLite database file
+$databasePath = '/var/www/nebuleair_pro_4g/sqlite/sensors.db';
+
+// Check if the file exists
+if (file_exists($databasePath)) {
+    try {
+        // Connect to the SQLite database
+        $db = new PDO("sqlite:$databasePath");
+
+        // Get the file size in bytes
+        $fileSizeBytes = filesize($databasePath);
+
+        // Convert the file size to human-readable formats
+        $fileSizeKilobytes = $fileSizeBytes / 1024;  // KB
+        $fileSizeMegabytes = $fileSizeKilobytes / 1024;  // MB
+
+        // Query the number of records in the `data` table
+        $query = "SELECT COUNT(*) AS total_records FROM data";
+        $result = $db->query($query);
+        $recordCount = $result ? $result->fetch(PDO::FETCH_ASSOC)['total_records'] : 0;
+
+        // Prepare the JSON response
+        $data = [
+            'path' => $databasePath,
+            'size_bytes' => $fileSizeBytes,
+            'size_kilobytes' => round($fileSizeKilobytes, 2),
+            'size_megabytes' => round($fileSizeMegabytes, 2),
+            'data_table_records' => $recordCount
+        ];
+
+        // Output the JSON response
+        echo json_encode($data, JSON_PRETTY_PRINT);
+    } catch (PDOException $e) {
+        // Handle database connection errors
+        echo json_encode([
+            'error' => 'Database query failed: ' . $e->getMessage()
+        ]);
+    }
+} else {
+    // Handle error if the file doesn't exist
+    echo json_encode([
+        'error' => 'Database file not found',
+        'path' => $databasePath
+    ]);
+}
+  
+    
+}
+
 if ($type == "linux_disk") {
     $command = 'df -h /';
     $output = shell_exec($command);