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fix(admin): defer maintenance sent_at to real delivery; read-only send-time dedup (no lost mail) 

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
feat/portal-design
nexxo 2026-07-25 16:35:52 +02:00
parent 0cc5be5479
commit 28221549d1
1 changed files with 9 additions and 10 deletions
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19
app/Providers/AppServiceProvider.php
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@ -49,28 +49,27 @@ class AppServiceProvider extends ServiceProvider
public function boot(): void
{
// Send-time guard for maintenance mail (X-CP-Notification carries the
// ledger id). Two things happen atomically here so exactly one copy ships
// even if a backlog caused a duplicate job to be queued:
// 1) suppress an announcement whose window was cancelled meanwhile;
// 2) claim delivery with a conditional update — the first send wins,
// any duplicate finds sent_at already set and is aborted.
// ledger id). Read-only — it never marks the row sent (that happens on
// real delivery in MessageSent, so a transport failure stays retryable).
// It aborts a send when the window was cancelled meanwhile, or when a
// sibling copy already delivered (sent_at set) — the common backlog dedup.
Event::listen(MessageSending::class, function (MessageSending $event) {
$header = $event->message->getHeaders()->get('X-CP-Notification');
if ($header === null) {
return null;
}
$id = (int) $header->getBodyAsString();
$notification = MaintenanceNotification::query()->with('window')->find($id);
$notification = MaintenanceNotification::query()->with('window')->find((int) $header->getBodyAsString());
if ($notification === null) {
return null;
}
if ($notification->sent_at !== null) {
return false; // already delivered — suppress a duplicate copy
}
if ($notification->event === 'announcement' && $notification->window?->state === 'cancelled') {
return false; // window cancelled meanwhile — do not deliver
}
$claimed = MaintenanceNotification::query()->whereKey($id)->whereNull('sent_at')->update(['sent_at' => now()]);
return $claimed === 0 ? false : null; // 0 → already delivered, suppress duplicate
return null;
});
// Stamp a maintenance-notification ledger row as delivered only once the