refactor: event delegation, unified subscription cleanup, centralized listing status helpers

js/services/listings.js

@@ -75,6 +75,18 @@ class ListingsService {
             && listing.expires_at
             && new Date(listing.expires_at) > new Date()
     }
+
+    canTogglePublish(listing) {
+        return listing.status === 'published' || (listing.status === 'draft' && this.isPaidAndActive(listing))
+    }
+
+    isSoftDeleted(listing) {
+        return listing.status === 'deleted'
+    }
+
+    canPublicView(listing) {
+        return listing.status === 'published'
+    }
 }
 
 export const listingsService = new ListingsService()