Add RLSModel interface, update BelongsToTenant

src/Database/Concerns/BelongsToTenant.php

@@ -21,8 +21,9 @@ trait BelongsToTenant
 
     public static function bootBelongsToTenant(): void
     {
-        // If tenancy.database.rls is true, scope queries using Postgres RLS instead of TenantScope
-        if (! config('tenancy.database.rls')) {
+        // If tenancy.database.rls is true or this model implements RLSModel
+        // Scope queries using Postgres RLS instead of TenantScope
+        if (! (config('tenancy.database.rls') || in_array(RLSModel::class, class_implements(static::class)))) {
             static::addGlobalScope(new TenantScope);
         }
 

src/Database/Concerns/RLSModel.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Stancl\Tenancy\Database\Concerns;
+
+/**
+ * Interface indicating that the queries of the model it's used on
+ * get scoped using RLS instead of the global TenantScope.
+ *
+ * Used with Postgres RLS (single-database tenancy).
+ *
+ * @see \Stancl\Tenancy\Database\Concerns\BelongsToTenant
+ */
+interface RLSModel
+{
+}