72 lines
2.0 KiB
PHP
72 lines
2.0 KiB
PHP
<?php
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header('Content-Type: application/json');
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require_once '../db/config.php';
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try {
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$pdo = db();
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// 1. Fetch data for the alerts table
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$stmt = $pdo->query("
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SELECT
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a.alert_id,
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a.timestamp,
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w.name as warehouse_name,
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s.name as slot_name,
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n.name as node_name,
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a.metric_name,
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a.actual_value,
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a.threshold_value,
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a.status
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FROM alerts a
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JOIN nodes n ON a.node_id = n.id
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JOIN slots s ON n.slot_id = s.id
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JOIN warehouses w ON s.warehouse_id = w.id
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ORDER BY a.timestamp DESC
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");
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$alerts = $stmt->fetchAll(PDO::FETCH_ASSOC);
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// 2. Fetch data for overview charts
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// Alerts per warehouse
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$stmt = $pdo->query("
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SELECT w.name, COUNT(a.alert_id) as alert_count
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FROM alerts a
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JOIN nodes n ON a.node_id = n.id
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JOIN slots s ON n.slot_id = s.id
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JOIN warehouses w ON s.warehouse_id = w.id
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GROUP BY w.name
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");
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$alerts_per_warehouse = $stmt->fetchAll(PDO::FETCH_ASSOC);
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// Alerts over time (last 7 days)
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$stmt = $pdo->query("
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SELECT DATE(timestamp) as alert_date, COUNT(alert_id) as alert_count
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FROM alerts
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WHERE timestamp >= CURDATE() - INTERVAL 7 DAY
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GROUP BY DATE(timestamp)
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ORDER BY alert_date
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");
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$alerts_over_time = $stmt->fetchAll(PDO::FETCH_ASSOC);
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// Alert status distribution
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$stmt = $pdo->query("
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SELECT status, COUNT(alert_id) as alert_count
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FROM alerts
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GROUP BY status
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");
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$alert_status_distribution = $stmt->fetchAll(PDO::FETCH_ASSOC);
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echo json_encode([
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'success' => true,
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'alerts' => $alerts,
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'chart_data' => [
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'per_warehouse' => $alerts_per_warehouse,
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'over_time' => $alerts_over_time,
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'status_distribution' => $alert_status_distribution
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]
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]);
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} catch (Exception $e) {
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http_response_code(500);
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echo json_encode(['success' => false, 'error' => $e->getMessage()]);
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}
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