40 lines
1.6 KiB
PHP
40 lines
1.6 KiB
PHP
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<?php
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$db = new PDO("mysql:host=db;dbname=PiClock", "root", "rootpassword");
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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// Ensure tables exist
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$db->exec("CREATE TABLE IF NOT EXISTS names (id INT AUTO_INCREMENT PRIMARY KEY, CardID VARCHAR(12) NOT NULL UNIQUE, name VARCHAR(100) DEFAULT NULL)");
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$db->exec("CREATE TABLE IF NOT EXISTS times (UID VARCHAR(12) NOT NULL, temp FLOAT, timestamp DATETIME)");
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// --- BACKUP FUNCTION ---
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if (isset($_POST['backup'])) {
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header('Content-Type: text/csv');
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header('Content-Disposition: attachment; filename="backup_' . date('Y-m-d') . '.csv"');
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$out = fopen('php://output', 'w');
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// Example: Exporting names
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$res = $db->query("SELECT * FROM names");
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while ($row = $res->fetch(PDO::FETCH_ASSOC)) { fputcsv($out, $row); }
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fclose($out);
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exit;
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}
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// --- IMPORT FUNCTION ---
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if (isset($_POST['import']) && isset($_FILES['csv_file'])) {
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$handle = fopen($_FILES['csv_file']['tmp_name'], 'r');
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while (($data = fgetcsv($handle)) !== false) {
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if (count($data) >= 2) {
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// Using INSERT IGNORE to prevent duplicate errors
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$stmt = $db->prepare("INSERT IGNORE INTO names (CardID, name) VALUES (?, ?)");
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$stmt->execute([$data[0], $data[1]]);
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}
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}
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fclose($handle);
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echo "<p>Import completed successfully.</p>";
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}
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?>
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<form method="post" enctype="multipart/form-data">
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<input type="file" name="csv_file" accept=".csv" required>
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<button type="submit" name="import">Load & Merge CSV</button>
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<button type="submit" name="backup">Backup Current DB to CSV</button>
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</form>
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