Single DB tenancy

src/Database/Concerns/BelongsToTenant.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace Stancl\Tenancy\Database\Concerns;
+
+use Stancl\Tenancy\Contracts\Tenant;
+use Stancl\Tenancy\Database\TenantScope;
+
+/**
+ * @property-read Tenant $tenant
+ */
+trait BelongsToTenant
+{
+    public static $tenantIdColumn = 'tenant_id';
+
+    public function tenant()
+    {
+        return $this->belongsTo(config('tenancy.tenant_model'), BelongsToTenant::$tenantIdColumn);
+    }
+
+    public static function bootBelongsToTenant()
+    {
+        static::addGlobalScope(new TenantScope(BelongsToTenant::$tenantIdColumn));
+
+        static::creating(function ($model) {
+            if (! $model->getAttribute(BelongsToTenant::$tenantIdColumn) && ! $model->relationLoaded('tenant')) {
+                if (tenancy()->initialized) {
+                    $model->setAttribute(BelongsToTenant::$tenantIdColumn, tenant()->getTenantKey());
+                    $model->setRelation('tenant', tenant());
+                }
+            }
+        });
+    }
+}

src/Database/Concerns/HasDomains.php

@@ -5,7 +5,7 @@ namespace Stancl\Tenancy\Database\Concerns;
 use Stancl\Tenancy\Contracts\Domain;
 
 /**
- * @property-read Domain[] $domains
+ * @property-read Domain[]\Illuminate\Database\Eloquent\Collection $domains
  */
 trait HasDomains
 {

src/Database/Models/Tenant.php

@@ -6,7 +6,7 @@ use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Model;
 use Stancl\Tenancy\Events;
 use Stancl\Tenancy\Contracts;
-use Stancl\Tenancy\Database\Collections\TenantCollection;
+use Stancl\Tenancy\Database\TenantCollection;
 use Stancl\Tenancy\Database\Concerns;
 
 /**

src/Database/TenantCollection.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Stancl\Tenancy\Database\Collections;
+namespace Stancl\Tenancy\Database;
 
 use Illuminate\Database\Eloquent\Collection;
 use Stancl\Tenancy\Contracts\Tenant;

src/Database/TenantScope.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Stancl\Tenancy\Database;
+
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Scope;
+use Stancl\Tenancy\Database\Concerns\BelongsToTenant;
+
+class TenantScope implements Scope
+{
+    public function apply(Builder $builder, Model $model)
+    {
+        if (! tenancy()->initialized) {
+            return;
+        }
+
+        $builder->where(BelongsToTenant::$tenantIdColumn, tenant()->getTenantKey());
+    }
+
+    public function extend(Builder $builder)
+    {
+        $builder->macro('withoutTenancy', function (Builder $builder) {
+            return $builder->withoutGlobalScope($this);
+        });
+    }
+}