UI Enhancements in IT Service Request, Announcements, Workforce and notification fixes

supabase/functions/send_fcm/index.ts

@@ -38,11 +38,17 @@ Deno.serve(async (req) => {
       })
     }
 
-    // Optional Idempotency (if you pass notification_id inside the data payload)
+    // Idempotency: if notification_id is provided, use try_mark_notification_pushed
+    // to ensure at-most-once delivery even under concurrent edge-function invocations.
     if (payload.data && payload.data.notification_id) {
       const { data: markData, error: markErr } = await supabase
         .rpc('try_mark_notification_pushed', { p_notification_id: payload.data.notification_id })
-      
+
+      if (markErr) {
+        console.error('try_mark_notification_pushed RPC error, skipping to be safe:', markErr)
+        return new Response('Idempotency check failed', { status: 200, headers: corsHeaders })
+      }
+
       if (markData === false) {
         console.log('Notification already pushed, skipping:', payload.data.notification_id)
         return new Response('Already pushed', { status: 200, headers: corsHeaders })