Zentrale Excel-Webhook-Zustellung

modules/erp/direktverkauf/api/otc-order.php

@@ -166,7 +166,7 @@ try {
 
     $pdo->commit();
 
-    $excelTrigger = trigger_excel_webhook($externalRef, $env);
+    $excelTrigger = dispatch_order_import_webhooks($pdo, $env);
 
     json_response(201, [
         'ok' => true,

modules/erp/import-integration/order-import.php

@@ -165,7 +165,7 @@ try {
     $pdo->commit();
 
     $labelTrigger = trigger_shipping_label_flow($data, $env);
-    $excelTrigger = trigger_excel_webhook($externalRef, $env);
+    $excelTrigger = dispatch_order_import_webhooks($pdo, $env);
 
     json_response(200, [
         'ok' => true,

modules/erp/import-integration/service.php

@@ -96,6 +96,20 @@ function post_json(string $url, array $payload, array $headers = [], int $timeou
     ];
 }
 
+function build_n8n_webhook_headers(array $localEnv): array
+{
+    $headers = [];
+    $secret = env_value('N8N_WEBHOOK_SECRET', $localEnv);
+    if ($secret !== '') {
+        $headers['X-Webhook-Secret'] = $secret;
+        $headers['X-N8N-Secret'] = $secret;
+        $headers['X-API-Key'] = $secret;
+        $headers['Authorization'] = 'Bearer ' . $secret;
+    }
+
+    return $headers;
+}
+
 function trigger_shipping_label_flow(array $order, array $localEnv): array
 {
     $url = derive_label_webhook_url($localEnv);
@@ -107,15 +121,7 @@ function trigger_shipping_label_flow(array $order, array $localEnv): array
         ];
     }
 
-    $headers = [];
-    $secret = env_value('N8N_WEBHOOK_SECRET', $localEnv);
-    if ($secret !== '') {
-        $headers['X-Webhook-Secret'] = $secret;
-        $headers['X-N8N-Secret'] = $secret;
-        $headers['X-API-Key'] = $secret;
-        $headers['Authorization'] = 'Bearer ' . $secret;
-    }
-
+    $headers = build_n8n_webhook_headers($localEnv);
     throttle_webhook_channel('label', 10);
     $result = post_json($url, $order, $headers, 20);
 
@@ -140,15 +146,7 @@ function trigger_excel_webhook(string $externalRef, array $localEnv): array
         ];
     }
 
-    $headers = [];
-    $secret = env_value('N8N_WEBHOOK_SECRET', $localEnv);
-    if ($secret !== '') {
-        $headers['X-Webhook-Secret'] = $secret;
-        $headers['X-N8N-Secret'] = $secret;
-        $headers['X-API-Key'] = $secret;
-        $headers['Authorization'] = 'Bearer ' . $secret;
-    }
-
+    $headers = build_n8n_webhook_headers($localEnv);
     throttle_webhook_channel('excel', 10);
     $result = post_json($url, ['Bestellnummer' => $externalRef], $headers, 20);
 
@@ -161,3 +159,169 @@ function trigger_excel_webhook(string $externalRef, array $localEnv): array
         'responseBody' => $result['body'],
     ];
 }
+
+function dispatch_order_import_webhooks(PDO $pdo, array $localEnv, int $limit = 20): array
+{
+    $url = derive_excel_webhook_url($localEnv);
+    if ($url === '') {
+        return [
+            'enabled' => false,
+            'ok' => false,
+            'processed' => 0,
+            'sent' => 0,
+            'failed' => 0,
+            'deadLetter' => 0,
+            'message' => 'Excel webhook URL not configured',
+        ];
+    }
+
+    $headers = build_n8n_webhook_headers($localEnv);
+    $limit = max(1, min(100, $limit));
+
+    $summary = [
+        'enabled' => true,
+        'ok' => false,
+        'processed' => 0,
+        'sent' => 0,
+        'failed' => 0,
+        'deadLetter' => 0,
+        'status' => 0,
+        'url' => $url,
+        'message' => 'No outbound order.imported event queued',
+        'responseBody' => '',
+    ];
+
+    try {
+        for ($i = 0; $i < $limit; $i++) {
+            $pdo->beginTransaction();
+
+        $stmt = $pdo->query(
+            "SELECT id, payload, attempt_count
+             FROM outbound_webhook_event
+             WHERE event_type = 'order.imported'
+               AND status IN ('pending', 'failed')
+               AND next_attempt_at <= NOW()
+             ORDER BY created_at ASC, id ASC
+             LIMIT 1
+             FOR UPDATE SKIP LOCKED"
+        );
+        $event = $stmt !== false ? $stmt->fetch(PDO::FETCH_ASSOC) : false;
+        if (!is_array($event)) {
+            $pdo->commit();
+            break;
+        }
+
+        $eventId = (int) $event['id'];
+        $attemptCount = max(0, (int) $event['attempt_count']) + 1;
+        $payloadRaw = $event['payload'];
+        $payload = [];
+        if (is_string($payloadRaw) && $payloadRaw !== '') {
+            try {
+                $payload = json_decode($payloadRaw, true, 512, JSON_THROW_ON_ERROR);
+            } catch (JsonException) {
+                $payload = [];
+            }
+        } elseif (is_array($payloadRaw)) {
+            $payload = $payloadRaw;
+        }
+
+        $externalRef = trim((string) ($payload['externalRef'] ?? ''));
+        if ($externalRef === '') {
+            $update = $pdo->prepare(
+                "UPDATE outbound_webhook_event
+                 SET status = 'dead_letter',
+                     last_attempt_at = NOW(),
+                     last_error = :last_error,
+                     next_attempt_at = NOW(),
+                     attempt_count = :attempt_count
+                 WHERE id = :id"
+            );
+            $update->execute([
+                ':last_error' => 'Missing externalRef in outbound payload',
+                ':attempt_count' => $attemptCount,
+                ':id' => $eventId,
+            ]);
+
+            $pdo->commit();
+            $summary['processed']++;
+            $summary['failed']++;
+            $summary['deadLetter']++;
+            $summary['ok'] = false;
+            $summary['message'] = 'Outbound payload missing externalRef';
+            continue;
+        }
+
+        $result = post_json($url, ['Bestellnummer' => $externalRef], $headers, 20);
+
+        $summary['processed']++;
+        $summary['status'] = $result['status'];
+        $summary['responseBody'] = $result['body'];
+
+        if ($result['ok']) {
+            $update = $pdo->prepare(
+                "UPDATE outbound_webhook_event
+                 SET status = 'sent',
+                     last_attempt_at = NOW(),
+                     last_error = NULL,
+                     sent_at = NOW(),
+                     next_attempt_at = NOW(),
+                     attempt_count = :attempt_count
+                 WHERE id = :id"
+            );
+            $update->execute([
+                ':attempt_count' => $attemptCount,
+                ':id' => $eventId,
+            ]);
+
+            $pdo->commit();
+            $summary['sent']++;
+            if ($summary['failed'] === 0) {
+                $summary['ok'] = true;
+            }
+            $summary['message'] = 'Excel webhook triggered';
+            continue;
+        }
+
+        $backoffSeconds = min(3600, 60 * (2 ** max(0, $attemptCount - 1)));
+        $status = $attemptCount >= 5 ? 'dead_letter' : 'failed';
+        $nextAttemptAt = (new DateTimeImmutable('now'))
+            ->modify('+' . $backoffSeconds . ' seconds')
+            ->format('Y-m-d H:i:s');
+        $lastError = $result['error'] !== '' ? $result['error'] : ('HTTP ' . $result['status']);
+        $update = $pdo->prepare(
+            "UPDATE outbound_webhook_event
+             SET status = :status,
+                 last_attempt_at = NOW(),
+                 last_error = :last_error,
+                 next_attempt_at = :next_attempt_at,
+                 attempt_count = :attempt_count
+             WHERE id = :id"
+        );
+        $update->execute([
+            ':status' => $status,
+            ':last_error' => $lastError,
+            ':next_attempt_at' => $nextAttemptAt,
+            ':attempt_count' => $attemptCount,
+            ':id' => $eventId,
+        ]);
+
+            $pdo->commit();
+            $summary['failed']++;
+            $summary['ok'] = false;
+            if ($status === 'dead_letter') {
+                $summary['deadLetter']++;
+            }
+            $summary['message'] = $lastError;
+        }
+
+        return $summary;
+    } catch (Throwable $e) {
+        if ($pdo->inTransaction()) {
+            $pdo->rollBack();
+        }
+
+        $summary['ok'] = false;
+        $summary['message'] = $e->getMessage();
+        return $summary;
+    }
+}