Merge branch 'master' of github.com:archtechx/tenancy into cache-prefix

.github/workflows/ci.yml

@@ -111,7 +111,6 @@ jobs:
         uses: shivammathur/setup-php@v2
         with:
           php-version: '8.2'
-          extensions: imagick, swoole
       - uses: actions/checkout@v2
       - name: Install composer dependencies
         run: composer install

assets/resource-syncing-migrations/2020_05_11_000002_create_tenant_resources_table.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('tenant_resources', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('tenant_id');
+            $table->string('resource_global_id');
+            $table->string('tenant_resources_type');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('tenant_resources');
+    }
+};

phpstan.neon

@@ -23,6 +23,7 @@ parameters:
                 - src/Commands/ClearPendingTenants.php
                 - src/Database/Concerns/PendingScope.php
                 - src/Database/ParentModelScope.php
+        - '#Call to an undefined method Illuminate\\Database\\Eloquent\\Builder\:\:withPending\(\)#'
         -
             message: '#invalid type Laravel\\Telescope\\IncomingEntry#'
             paths:
@@ -47,9 +48,14 @@ parameters:
             message: '#Trying to invoke Closure\|null but it might not be a callable#'
             paths:
                 - src/Database/DatabaseConfig.php
+        -
+            message: '#Unable to resolve the template type (TMapWithKeysKey|TMapWithKeysValue) in call to method#'
+            paths:
+                - src/Concerns/DealsWithTenantSymlinks.php
         - '#Method Stancl\\Tenancy\\Tenancy::cachedResolvers\(\) should return array#'
         - '#Access to an undefined property Stancl\\Tenancy\\Middleware\\IdentificationMiddleware\:\:\$tenancy#'
         - '#Access to an undefined property Stancl\\Tenancy\\Middleware\\IdentificationMiddleware\:\:\$resolver#'
 
     checkMissingIterableValueType: false
+    checkGenericClassInNonGenericObjectType: false # later we may want to enable this
     treatPhpDocTypesAsCertain: false

src/Bootstrappers/DatabaseTenancyBootstrapper.php

@@ -25,7 +25,7 @@ class DatabaseTenancyBootstrapper implements TenancyBootstrapper
         /** @var TenantWithDatabase $tenant */
 
         // Better debugging, but breaks cached lookup in prod
-        if (app()->environment('local')) {
+        if (app()->environment('local') || app()->environment('testing')) { // todo@docs mention this change in v4 upgrade guide https://github.com/archtechx/tenancy/pull/945#issuecomment-1268206149
             $database = $tenant->database()->getName();
             if (! $tenant->database()->manager()->databaseExists($database)) {
                 throw new TenantDatabaseDoesNotExistException($database);

src/Commands/Migrate.php

@@ -7,9 +7,11 @@ namespace Stancl\Tenancy\Commands;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Database\Console\Migrations\MigrateCommand;
 use Illuminate\Database\Migrations\Migrator;
+use Illuminate\Database\QueryException;
 use Stancl\Tenancy\Concerns\DealsWithMigrations;
 use Stancl\Tenancy\Concerns\ExtendsLaravelCommand;
 use Stancl\Tenancy\Concerns\HasTenantOptions;
+use Stancl\Tenancy\Database\Exceptions\TenantDatabaseDoesNotExistException;
 use Stancl\Tenancy\Events\DatabaseMigrated;
 use Stancl\Tenancy\Events\MigratingDatabase;
 
@@ -28,6 +30,8 @@ class Migrate extends MigrateCommand
     {
         parent::__construct($migrator, $dispatcher);
 
+        $this->addOption('skip-failing');
+
         $this->specifyParameters();
     }
 
@@ -43,16 +47,23 @@ class Migrate extends MigrateCommand
             return 1;
         }
 
-        tenancy()->runForMultiple($this->getTenants(), function ($tenant) {
-            $this->components->info("Tenant: {$tenant->getTenantKey()}");
+        foreach ($this->getTenants() as $tenant) {
+            try {
+                $tenant->run(function ($tenant) {
+                    $this->line("Tenant: {$tenant->getTenantKey()}");
 
-            event(new MigratingDatabase($tenant));
+                    event(new MigratingDatabase($tenant));
+                    // Migrate
+                    parent::handle();
 
-            // Migrate
-            parent::handle();
-
-            event(new DatabaseMigrated($tenant));
-        });
+                    event(new DatabaseMigrated($tenant));
+                });
+            } catch (TenantDatabaseDoesNotExistException|QueryException $th) {
+                if (! $this->option('skip-failing')) {
+                    throw $th;
+                }
+            }
+        }
 
         return 0;
     }

src/Database/Concerns/ResourceSyncing.php

@@ -4,8 +4,10 @@ declare(strict_types=1);
 
 namespace Stancl\Tenancy\Database\Concerns;
 
+use Illuminate\Database\Eloquent\Relations\MorphToMany;
 use Stancl\Tenancy\Contracts\Syncable;
 use Stancl\Tenancy\Contracts\UniqueIdentifierGenerator;
+use Stancl\Tenancy\Database\Models\TenantMorphPivot;
 use Stancl\Tenancy\Events\SyncedResourceSaved;
 
 trait ResourceSyncing
@@ -43,4 +45,10 @@ trait ResourceSyncing
     {
         return true;
     }
+
+    public function tenants(): MorphToMany
+    {
+        return $this->morphToMany(config('tenancy.models.tenant'), 'tenant_resources', 'tenant_resources', 'resource_global_id', 'tenant_id', 'global_id')
+            ->using(TenantMorphPivot::class);
+    }
 }

src/Database/Concerns/TriggerSyncEvent.php

@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Stancl\Tenancy\Database\Concerns;
+
+use Stancl\Tenancy\Contracts\Syncable;
+
+trait TriggerSyncEvent
+{
+    public static function booted(): void
+    {
+        static::saved(function (self $pivot) {
+            $parent = $pivot->pivotParent;
+
+            if ($parent instanceof Syncable && $parent->shouldSync()) {
+                $parent->triggerSyncEvent();
+            }
+        });
+    }
+}

src/Database/DatabaseConfig.php

@@ -87,7 +87,7 @@ class DatabaseConfig
     {
         $this->tenant->setInternal('db_name', $this->getName());
 
-        if ($this->connectionDriverManager($this->getTemplateConnectionName()) instanceof Contracts\ManagesDatabaseUsers) {
+        if ($this->connectionDriverManager($this->getTemplateConnectionDriver()) instanceof Contracts\ManagesDatabaseUsers) {
             $this->tenant->setInternal('db_username', $this->getUsername() ?? (static::$usernameGenerator)($this->tenant));
             $this->tenant->setInternal('db_password', $this->getPassword() ?? (static::$passwordGenerator)($this->tenant));
         }
@@ -97,11 +97,29 @@ class DatabaseConfig
         }
     }
 
-    public function getTemplateConnectionName(): string
+    public function getTemplateConnectionDriver(): string
     {
-        return $this->tenant->getInternal('db_connection')
-            ?? config('tenancy.database.template_tenant_connection')
-            ?? config('tenancy.database.central_connection');
+        return $this->getTemplateConnection()['driver'];
+    }
+
+    public function getTemplateConnection(): array
+    {
+        if ($template = $this->tenant->getInternal('db_connection')) {
+            return config("database.connections.{$template}");
+        }
+
+        if ($template = config('tenancy.database.template_tenant_connection')) {
+            return is_array($template) ? array_merge($this->getCentralConnection(), $template) : config("database.connections.{$template}");
+        }
+
+        return $this->getCentralConnection();
+    }
+
+    protected function getCentralConnection(): array
+    {
+        $centralConnectionName = config('tenancy.database.central_connection');
+
+        return config("database.connections.{$centralConnectionName}");
     }
 
     public function getTenantHostConnectionName(): string
@@ -114,8 +132,7 @@ class DatabaseConfig
      */
     public function connection(): array
     {
-        $template = $this->getTemplateConnectionName();
-        $templateConnection = config("database.connections.{$template}");
+        $templateConnection = $this->getTemplateConnection();
 
         return $this->manager()->makeConnectionConfig(
             array_merge($templateConnection, $this->tenantConfig()),
@@ -129,10 +146,9 @@ class DatabaseConfig
     public function hostConnection(): array
     {
         $config = $this->tenantConfig();
-        $template = $this->getTemplateConnectionName();
-        $templateConnection = config("database.connections.{$template}");
+        $templateConnection = $this->getTemplateConnection();
 
-        if ($this->connectionDriverManager($template) instanceof Contracts\ManagesDatabaseUsers) {
+        if ($this->connectionDriverManager($this->getTemplateConnectionDriver()) instanceof Contracts\ManagesDatabaseUsers) {
             // We're removing the username and password because user with these credentials is not created yet
             // If you need to provide username and password when using PermissionControlledMySQLDatabaseManager,
             // consider creating a new connection and use it as `tenancy_db_connection` tenant config key
@@ -196,7 +212,7 @@ class DatabaseConfig
         $tenantHostConnectionName = $this->getTenantHostConnectionName();
         config(["database.connections.{$tenantHostConnectionName}" => $this->hostConnection()]);
 
-        $manager = $this->connectionDriverManager($tenantHostConnectionName);
+        $manager = $this->connectionDriverManager(config("database.connections.{$tenantHostConnectionName}.driver"));
 
         if ($manager instanceof Contracts\StatefulTenantDatabaseManager) {
             $manager->setConnection($tenantHostConnectionName);
@@ -211,10 +227,8 @@ class DatabaseConfig
      *
      * @throws DatabaseManagerNotRegisteredException
      */
-    protected function connectionDriverManager(string $connectionName): Contracts\TenantDatabaseManager
+    protected function connectionDriverManager(string $driver): Contracts\TenantDatabaseManager
     {
-        $driver = config("database.connections.{$connectionName}.driver");
-
         $databaseManagers = config('tenancy.database.managers');
 
         if (! array_key_exists($driver, $databaseManagers)) {

src/Database/Models/TenantMorphPivot.php

@@ -0,0 +1,13 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Stancl\Tenancy\Database\Models;
+
+use Illuminate\Database\Eloquent\Relations\MorphPivot;
+use Stancl\Tenancy\Database\Concerns\TriggerSyncEvent;
+
+class TenantMorphPivot extends MorphPivot
+{
+    use TriggerSyncEvent;
+}

src/Database/Models/TenantPivot.php

@@ -5,18 +5,9 @@ declare(strict_types=1);
 namespace Stancl\Tenancy\Database\Models;
 
 use Illuminate\Database\Eloquent\Relations\Pivot;
-use Stancl\Tenancy\Contracts\Syncable;
+use Stancl\Tenancy\Database\Concerns\TriggerSyncEvent;
 
 class TenantPivot extends Pivot
 {
-    public static function booted(): void
-    {
-        static::saved(function (self $pivot) {
-            $parent = $pivot->pivotParent;
-
-            if ($parent instanceof Syncable && $parent->shouldSync()) {
-                $parent->triggerSyncEvent();
-            }
-        });
-    }
+    use TriggerSyncEvent;
 }

src/Tenancy.php

@@ -19,7 +19,7 @@ class Tenancy
     /**
      * The current tenant.
      */
-    public (Tenant&Model)|null $tenant = null;
+    public Tenant|null $tenant = null;
 
     // todo docblock
     public ?Closure $getBootstrappersUsing = null;
@@ -111,8 +111,9 @@ class Tenancy
     /**
      * Try to find a tenant using an ID.
      */
-    public static function find(int|string $id): (Tenant&Model)|null
+    public static function find(int|string $id): Tenant|null
     {
+        /** @var (Tenant&Model)|null */
         $tenant = static::model()->where(static::model()->getTenantKeyName(), $id)->first();
 
         return $tenant;

src/TenancyServiceProvider.php

@@ -111,6 +111,10 @@ class TenancyServiceProvider extends ServiceProvider
             __DIR__ . '/../assets/impersonation-migrations/' => database_path('migrations'),
         ], 'impersonation-migrations');
 
+        $this->publishes([
+            __DIR__ . '/../assets/resource-syncing-migrations/' => database_path('migrations'),
+        ], 'resource-syncing-migrations');
+
         $this->publishes([
             __DIR__ . '/../assets/tenant_routes.stub.php' => base_path('routes/tenant.php'),
         ], 'routes');

tests/AutomaticModeTest.php

@@ -50,6 +50,8 @@ test('context is switched when tenancy is reinitialized', function () {
 });
 
 test('central helper runs callbacks in the central state', function () {
+    withTenantDatabases();
+
     tenancy()->initialize($tenant = Tenant::create());
 
     tenancy()->central(function () {
@@ -60,6 +62,8 @@ test('central helper runs callbacks in the central state', function () {
 });
 
 test('central helper returns the value from the callback', function () {
+    withTenantDatabases();
+
     tenancy()->initialize(Tenant::create());
 
     pest()->assertSame('foo', tenancy()->central(function () {
@@ -68,6 +72,8 @@ test('central helper returns the value from the callback', function () {
 });
 
 test('central helper reverts back to tenant context', function () {
+    withTenantDatabases();
+
     tenancy()->initialize($tenant = Tenant::create());
 
     tenancy()->central(function () {

tests/BatchTest.php

@@ -23,6 +23,8 @@ beforeEach(function () {
 });
 
 test('batch repository is set to tenant connection and reverted', function () {
+    withTenantDatabases();
+
     $tenant = Tenant::create();
     $tenant2 = Tenant::create();
 

tests/CommandsTest.php

@@ -18,11 +18,13 @@ use Stancl\Tenancy\Events\TenantCreated;
 use Stancl\Tenancy\Events\TenantDeleted;
 use Stancl\Tenancy\Tests\Etc\TestSeeder;
 use Stancl\Tenancy\Events\DeletingTenant;
+use Stancl\Tenancy\Events\DatabaseMigrated;
 use Stancl\Tenancy\Tests\Etc\ExampleSeeder;
 use Stancl\Tenancy\Events\TenancyInitialized;
 use Stancl\Tenancy\Listeners\BootstrapTenancy;
 use Stancl\Tenancy\Listeners\RevertToCentralContext;
 use Stancl\Tenancy\Bootstrappers\DatabaseTenancyBootstrapper;
+use Stancl\Tenancy\Database\Exceptions\TenantDatabaseDoesNotExistException;
 
 beforeEach(function () {
     if (file_exists($schemaPath = 'tests/Etc/tenant-schema-test.dump')) {
@@ -109,6 +111,46 @@ test('migrate command loads schema state', function () {
     expect(Schema::hasTable('users'))->toBeTrue();
 });
 
+test('migrate command only throws exceptions if skip-failing is not passed', function() {
+    Tenant::create();
+
+    $tenantWithoutDatabase = Tenant::create();
+    $databaseToDrop = $tenantWithoutDatabase->run(fn() => DB::connection()->getDatabaseName());
+
+    DB::statement("DROP DATABASE `$databaseToDrop`");
+
+    Tenant::create();
+
+    expect(fn() => pest()->artisan('tenants:migrate --schema-path="tests/Etc/tenant-schema.dump"'))->toThrow(TenantDatabaseDoesNotExistException::class);
+    expect(fn() => pest()->artisan('tenants:migrate --schema-path="tests/Etc/tenant-schema.dump" --skip-failing'))->not()->toThrow(TenantDatabaseDoesNotExistException::class);
+});
+
+test('migrate command does not stop after the first failure if skip-failing is passed', function() {
+    $tenants = collect([
+        Tenant::create(),
+        $tenantWithoutDatabase = Tenant::create(),
+        Tenant::create(),
+    ]);
+
+    $migratedTenants = 0;
+
+    Event::listen(DatabaseMigrated::class, function() use (&$migratedTenants) {
+        $migratedTenants++;
+    });
+
+    $databaseToDrop = $tenantWithoutDatabase->run(fn() => DB::connection()->getDatabaseName());
+
+    DB::statement("DROP DATABASE `$databaseToDrop`");
+
+    Artisan::call('tenants:migrate', [
+        '--schema-path' => '"tests/Etc/tenant-schema.dump"',
+        '--skip-failing' => true,
+        '--tenants' => $tenants->pluck('id')->toArray(),
+    ]);
+
+    expect($migratedTenants)->toBe(2);
+});
+
 test('dump command works', function () {
     $tenant = Tenant::create();
     $schemaPath = 'tests/Etc/tenant-schema-test.dump';

tests/Etc/synced_resource_migrations/companies/2020_05_11_000001_test_create_companies_table.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class TestCreateCompaniesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('companies', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('global_id')->unique();
+            $table->string('name');
+            $table->string('email');
+        });
+    }
+
+    public function down()
+    {
+        Schema::dropIfExists('companies');
+    }
+}

tests/MailTest.php

@@ -27,6 +27,8 @@ function assertMailerTransportUsesPassword(string|null $password) {
 };
 
 test('mailer transport uses the correct credentials', function() {
+    withTenantDatabases();
+
     config(['mail.default' => 'smtp', 'mail.mailers.smtp.password' => $defaultPassword = 'DEFAULT']);
     MailTenancyBootstrapper::$credentialsMap = ['mail.mailers.smtp.password' => 'smtp_password'];
 
@@ -52,6 +54,8 @@ test('mailer transport uses the correct credentials', function() {
 
 
 test('initializing and ending tenancy binds a fresh MailManager instance without cached mailers', function() {
+    withTenantDatabases();
+
     $mailers = fn() => invade(app(MailManager::class))->mailers;
 
     app(MailManager::class)->mailer('smtp');

tests/Pest.php

@@ -1,6 +1,10 @@
 <?php
 
 use Stancl\Tenancy\Tests\TestCase;
+use Stancl\JobPipeline\JobPipeline;
+use Illuminate\Support\Facades\Event;
+use Stancl\Tenancy\Jobs\CreateDatabase;
+use Stancl\Tenancy\Events\TenantCreated;
 
 uses(TestCase::class)->in(__DIR__);
 
@@ -8,3 +12,10 @@ function pest(): TestCase
 {
     return Pest\TestSuite::getInstance()->test;
 }
+
+function withTenantDatabases()
+{
+    Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
+        return $event->tenant;
+    })->toListener());
+}

tests/QueueTest.php

@@ -3,23 +3,23 @@
 declare(strict_types=1);
 
 use Illuminate\Bus\Queueable;
-use Illuminate\Contracts\Queue\ShouldQueue;
-use Illuminate\Foundation\Bus\Dispatchable;
-use Illuminate\Queue\InteractsWithQueue;
-use Illuminate\Queue\SerializesModels;
 use Spatie\Valuestore\Valuestore;
 use Illuminate\Support\Facades\DB;
 use Stancl\Tenancy\Tests\Etc\User;
 use Stancl\JobPipeline\JobPipeline;
 use Stancl\Tenancy\Tests\Etc\Tenant;
 use Illuminate\Support\Facades\Event;
+use Illuminate\Queue\SerializesModels;
 use Illuminate\Support\Facades\Schema;
 use Stancl\Tenancy\Events\TenancyEnded;
 use Stancl\Tenancy\Jobs\CreateDatabase;
+use Illuminate\Queue\InteractsWithQueue;
 use Stancl\Tenancy\Events\TenantCreated;
 use Illuminate\Database\Schema\Blueprint;
 use Illuminate\Queue\Events\JobProcessed;
 use Illuminate\Queue\Events\JobProcessing;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Foundation\Bus\Dispatchable;
 use Stancl\Tenancy\Events\TenancyInitialized;
 use Stancl\Tenancy\Listeners\BootstrapTenancy;
 use Stancl\Tenancy\Listeners\RevertToCentralContext;
@@ -48,6 +48,8 @@ afterEach(function () {
 });
 
 test('tenant id is passed to tenant queues', function () {
+    withTenantDatabases();
+
     config(['queue.default' => 'sync']);
 
     $tenant = Tenant::create();
@@ -64,6 +66,8 @@ test('tenant id is passed to tenant queues', function () {
 });
 
 test('tenant id is not passed to central queues', function () {
+    withTenantDatabases();
+
     $tenant = Tenant::create();
 
     tenancy()->initialize($tenant);
@@ -156,6 +160,8 @@ test('tenancy is initialized when retrying jobs', function (bool $shouldEndTenan
 })->with([true, false]);
 
 test('the tenant used by the job doesnt change when the current tenant changes', function () {
+    withTenantDatabases();
+
     $tenant1 = Tenant::create([
         'id' => 'acme',
     ]);
@@ -217,13 +223,6 @@ function withUsers()
     });
 }
 
-function withTenantDatabases()
-{
-    Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
-        return $event->tenant;
-    })->toListener());
-}
-
 class TestJob implements ShouldQueue
 {
     use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

tests/ResourceSyncingTest.php

@@ -832,7 +832,7 @@ function migrateUsersTableForTenants(): void
 // Tenant model used for resource syncing setup
 class ResourceTenant extends Tenant
 {
-    public function users()
+    public function users(): BelongsToMany
     {
         return $this->belongsToMany(CentralUser::class, 'tenant_users', 'tenant_id', 'global_user_id', 'id', 'global_id')
             ->using(TenantPivot::class);

tests/ResourceSyncingUsingPolymorphicTest.php

@@ -0,0 +1,398 @@
+<?php
+
+declare(strict_types=1);
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\MorphToMany;
+use Illuminate\Support\Facades\Event;
+use Illuminate\Support\Str;
+use Stancl\JobPipeline\JobPipeline;
+use Stancl\Tenancy\Bootstrappers\DatabaseTenancyBootstrapper;
+use Stancl\Tenancy\Contracts\Syncable;
+use Stancl\Tenancy\Contracts\SyncMaster;
+use Stancl\Tenancy\Database\Concerns\CentralConnection;
+use Stancl\Tenancy\Database\Concerns\ResourceSyncing;
+use Stancl\Tenancy\Database\DatabaseConfig;
+use Stancl\Tenancy\Database\Models\TenantMorphPivot;
+use Stancl\Tenancy\Database\Models\TenantPivot;
+use Stancl\Tenancy\Events\SyncedResourceSaved;
+use Stancl\Tenancy\Events\TenancyEnded;
+use Stancl\Tenancy\Events\TenancyInitialized;
+use Stancl\Tenancy\Events\TenantCreated;
+use Stancl\Tenancy\Jobs\CreateDatabase;
+use Stancl\Tenancy\Listeners\BootstrapTenancy;
+use Stancl\Tenancy\Listeners\RevertToCentralContext;
+use Stancl\Tenancy\Listeners\UpdateSyncedResource;
+use Stancl\Tenancy\Tests\Etc\Tenant;
+
+beforeEach(function () {
+    config([
+        'tenancy.bootstrappers' => [
+            DatabaseTenancyBootstrapper::class,
+        ],
+        'tenancy.models.tenant' => ResourceTenantUsingPolymorphic::class,
+    ]);
+
+    Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
+        return $event->tenant;
+    })->toListener());
+
+    DatabaseConfig::generateDatabaseNamesUsing(function () {
+        return 'db' . Str::random(16);
+    });
+
+    Event::listen(TenancyInitialized::class, BootstrapTenancy::class);
+    Event::listen(TenancyEnded::class, RevertToCentralContext::class);
+
+    UpdateSyncedResource::$shouldQueue = false; // Global state cleanup
+    Event::listen(SyncedResourceSaved::class, UpdateSyncedResource::class);
+
+    // Run migrations on central connection
+    pest()->artisan('migrate', [
+        '--path' => [
+            __DIR__ . '/../assets/resource-syncing-migrations',
+            __DIR__ . '/Etc/synced_resource_migrations/users',
+            __DIR__ . '/Etc/synced_resource_migrations/companies',
+        ],
+        '--realpath' => true,
+    ])->assertExitCode(0);
+});
+
+test('resource syncing works using a single pivot table for multiple models when syncing from central to tenant', function () {
+    $tenant1 = ResourceTenantUsingPolymorphic::create(['id' => 't1']);
+    migrateUsersTableForTenants();
+
+    $centralUser = CentralUserUsingPolymorphic::create([
+        'global_id' => 'acme',
+        'name' => 'John Doe',
+        'email' => 'john@localhost',
+        'password' => 'password',
+        'role' => 'commenter',
+    ]);
+
+    $tenant1->run(function () {
+        expect(TenantUserUsingPolymorphic::all())->toHaveCount(0);
+    });
+
+    $centralUser->tenants()->attach('t1');
+
+    // Assert `tenants` are accessible
+    expect($centralUser->tenants->pluck('id')->toArray())->toBe(['t1']);
+
+    // Users are accessible from tenant
+    expect($tenant1->users()->pluck('email')->toArray())->toBe(['john@localhost']);
+
+    // Assert User resource is synced
+    $tenant1->run(function () use ($centralUser) {
+        $tenantUser = TenantUserUsingPolymorphic::first()->toArray();
+        $centralUser = $centralUser->withoutRelations()->toArray();
+        unset($centralUser['id'], $tenantUser['id']);
+
+        expect($tenantUser)->toBe($centralUser);
+    });
+
+    $tenant2 = ResourceTenantUsingPolymorphic::create(['id' => 't2']);
+    migrateCompaniesTableForTenants();
+
+    $centralCompany = CentralCompanyUsingPolymorphic::create([
+        'global_id' => 'acme',
+        'name' => 'ArchTech',
+        'email' => 'archtech@localhost',
+    ]);
+
+    $tenant2->run(function () {
+        expect(TenantCompanyUsingPolymorphic::all())->toHaveCount(0);
+    });
+
+    $centralCompany->tenants()->attach('t2');
+
+    // Assert `tenants` are accessible
+    expect($centralCompany->tenants->pluck('id')->toArray())->toBe(['t2']);
+
+    // Companies are accessible from tenant
+    expect($tenant2->companies()->pluck('email')->toArray())->toBe(['archtech@localhost']);
+
+    // Assert Company resource is synced
+    $tenant2->run(function () use ($centralCompany) {
+        $tenantCompany = TenantCompanyUsingPolymorphic::first()->toArray();
+        $centralCompany = $centralCompany->withoutRelations()->toArray();
+
+        unset($centralCompany['id'], $tenantCompany['id']);
+
+        expect($tenantCompany)->toBe($centralCompany);
+    });
+});
+
+test('resource syncing works using a single pivot table for multiple models when syncing from tenant to central', function () {
+    $tenant1 = ResourceTenantUsingPolymorphic::create(['id' => 't1']);
+    migrateUsersTableForTenants();
+
+    tenancy()->initialize($tenant1);
+
+    $tenantUser = TenantUserUsingPolymorphic::create([
+        'name' => 'John Doe',
+        'email' => 'john@localhost',
+        'password' => 'password',
+        'role' => 'commenter',
+    ]);
+
+    tenancy()->end();
+
+    // Assert User resource is synced
+    $centralUser = CentralUserUsingPolymorphic::first();
+
+    // Assert `tenants` are accessible
+    expect($centralUser->tenants->pluck('id')->toArray())->toBe(['t1']);
+
+    // Users are accessible from tenant
+    expect($tenant1->users()->pluck('email')->toArray())->toBe(['john@localhost']);
+
+    $centralUser = $centralUser->withoutRelations()->toArray();
+    $tenantUser = $tenantUser->toArray();
+    unset($centralUser['id'], $tenantUser['id']);
+
+    // array keys use a different order here
+    expect($tenantUser)->toEqualCanonicalizing($centralUser);
+
+    $tenant2 = ResourceTenantUsingPolymorphic::create(['id' => 't2']);
+    migrateCompaniesTableForTenants();
+
+    tenancy()->initialize($tenant2);
+
+    $tenantCompany = TenantCompanyUsingPolymorphic::create([
+        'global_id' => 'acme',
+        'name' => 'tenant comp',
+        'email' => 'company@localhost',
+    ]);
+
+    tenancy()->end();
+
+    // Assert Company resource is synced
+    $centralCompany = CentralCompanyUsingPolymorphic::first();
+
+    // Assert `tenants` are accessible
+    expect($centralCompany->tenants->pluck('id')->toArray())->toBe(['t2']);
+
+    // Companies are accessible from tenant
+    expect($tenant2->companies()->pluck('email')->toArray())->toBe(['company@localhost']);
+
+    $centralCompany = $centralCompany->withoutRelations()->toArray();
+    $tenantCompany = $tenantCompany->toArray();
+    unset($centralCompany['id'], $tenantCompany['id']);
+
+    expect($tenantCompany)->toBe($centralCompany);
+});
+
+test('right resources are accessible from the tenant', function () {
+    $tenant1 = ResourceTenantUsingPolymorphic::create(['id' => 't1']);
+    $tenant2 = ResourceTenantUsingPolymorphic::create(['id' => 't2']);
+    migrateUsersTableForTenants();
+
+    $user1 = CentralUserUsingPolymorphic::create([
+        'global_id' => 'user1',
+        'name' => 'user1',
+        'email' => 'user1@localhost',
+        'password' => 'password',
+        'role' => 'commenter',
+    ]);
+
+    $user2 = CentralUserUsingPolymorphic::create([
+        'global_id' => 'user2',
+        'name' => 'user2',
+        'email' => 'user2@localhost',
+        'password' => 'password',
+        'role' => 'commenter',
+    ]);
+
+    $user3 = CentralUserUsingPolymorphic::create([
+        'global_id' => 'user3',
+        'name' => 'user3',
+        'email' => 'user3@localhost',
+        'password' => 'password',
+        'role' => 'commenter',
+    ]);
+
+    $user1->tenants()->attach('t1');
+    $user2->tenants()->attach('t1');
+    $user3->tenants()->attach('t2');
+
+    expect($tenant1->users()->pluck('email')->toArray())->toBe([$user1->email, $user2->email]);
+    expect($tenant2->users()->pluck('email')->toArray())->toBe([$user3->email]);
+});
+
+function migrateCompaniesTableForTenants(): void
+{
+    pest()->artisan('tenants:migrate', [
+        '--path' => __DIR__ . '/Etc/synced_resource_migrations/companies',
+        '--realpath' => true,
+    ])->assertExitCode(0);
+}
+
+// Tenant model used for resource syncing setup
+class ResourceTenantUsingPolymorphic extends Tenant
+{
+    public function users(): MorphToMany
+    {
+        return $this->morphedByMany(CentralUserUsingPolymorphic::class, 'tenant_resources', 'tenant_resources', 'tenant_id', 'resource_global_id', 'id', 'global_id')
+            ->using(TenantMorphPivot::class);
+    }
+
+    public function companies(): MorphToMany
+    {
+        return $this->morphedByMany(CentralCompanyUsingPolymorphic::class, 'tenant_resources', 'tenant_resources', 'tenant_id', 'resource_global_id', 'id', 'global_id')
+            ->using(TenantMorphPivot::class);
+    }
+}
+
+class CentralUserUsingPolymorphic extends Model implements SyncMaster
+{
+    use ResourceSyncing, CentralConnection;
+
+    protected $guarded = [];
+
+    public $timestamps = false;
+
+    public $table = 'users';
+
+    public function getTenantModelName(): string
+    {
+        return TenantUserUsingPolymorphic::class;
+    }
+
+    public function getGlobalIdentifierKey(): string|int
+    {
+        return $this->getAttribute($this->getGlobalIdentifierKeyName());
+    }
+
+    public function getGlobalIdentifierKeyName(): string
+    {
+        return 'global_id';
+    }
+
+    public function getCentralModelName(): string
+    {
+        return static::class;
+    }
+
+    public function getSyncedAttributeNames(): array
+    {
+        return [
+            'global_id',
+            'name',
+            'password',
+            'email',
+        ];
+    }
+}
+
+class TenantUserUsingPolymorphic extends Model implements Syncable
+{
+    use ResourceSyncing;
+
+    protected $table = 'users';
+
+    protected $guarded = [];
+
+    public $timestamps = false;
+
+    public function getGlobalIdentifierKey(): string|int
+    {
+        return $this->getAttribute($this->getGlobalIdentifierKeyName());
+    }
+
+    public function getGlobalIdentifierKeyName(): string
+    {
+        return 'global_id';
+    }
+
+    public function getCentralModelName(): string
+    {
+        return CentralUserUsingPolymorphic::class;
+    }
+
+    public function getSyncedAttributeNames(): array
+    {
+        return [
+            'global_id',
+            'name',
+            'password',
+            'email',
+        ];
+    }
+}
+
+class CentralCompanyUsingPolymorphic extends Model implements SyncMaster
+{
+    use ResourceSyncing, CentralConnection;
+
+    protected $guarded = [];
+
+    public $timestamps = false;
+
+    public $table = 'companies';
+
+    public function getTenantModelName(): string
+    {
+        return TenantCompanyUsingPolymorphic::class;
+    }
+
+    public function getGlobalIdentifierKey(): string|int
+    {
+        return $this->getAttribute($this->getGlobalIdentifierKeyName());
+    }
+
+    public function getGlobalIdentifierKeyName(): string
+    {
+        return 'global_id';
+    }
+
+    public function getCentralModelName(): string
+    {
+        return static::class;
+    }
+
+    public function getSyncedAttributeNames(): array
+    {
+        return [
+            'global_id',
+            'name',
+            'email',
+        ];
+    }
+}
+
+class TenantCompanyUsingPolymorphic extends Model implements Syncable
+{
+    use ResourceSyncing;
+
+    protected $table = 'companies';
+
+    protected $guarded = [];
+
+    public $timestamps = false;
+
+    public function getGlobalIdentifierKey(): string|int
+    {
+        return $this->getAttribute($this->getGlobalIdentifierKeyName());
+    }
+
+    public function getGlobalIdentifierKeyName(): string
+    {
+        return 'global_id';
+    }
+
+    public function getCentralModelName(): string
+    {
+        return CentralCompanyUsingPolymorphic::class;
+    }
+
+    public function getSyncedAttributeNames(): array
+    {
+        return [
+            'global_id',
+            'name',
+            'email',
+        ];
+    }
+}
+

tests/TenantDatabaseManagerTest.php

@@ -390,6 +390,81 @@ test('path used by sqlite manager can be customized', function () {
     expect(file_exists($customPath . '/' . $name))->toBeTrue();
 });
 
+test('the tenant connection template can be specified either by name or as a connection array', function () {
+    Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
+        return $event->tenant;
+    })->toListener());
+
+    config([
+        'tenancy.database.managers.mysql' => MySQLDatabaseManager::class,
+        'tenancy.database.template_tenant_connection' => 'mysql',
+    ]);
+
+    $name = 'foo' . Str::random(8);
+    $tenant = Tenant::create([
+        'tenancy_db_name' => $name,
+    ]);
+
+    /** @var MySQLDatabaseManager $manager */
+    $manager = $tenant->database()->manager();
+    expect($manager->databaseExists($name))->toBeTrue();
+    expect($manager->database()->getConfig('host'))->toBe('mysql');
+
+    config([
+        'tenancy.database.template_tenant_connection' => [
+            'driver' => 'mysql',
+            'url' => null,
+            'host' => 'mysql2',
+            'port' => '3306',
+            'database' => 'main',
+            'username' => 'root',
+            'password' => 'password',
+            'unix_socket' => '',
+            'charset' => 'utf8mb4',
+            'collation' => 'utf8mb4_unicode_ci',
+            'prefix' => '',
+            'prefix_indexes' => true,
+            'strict' => true,
+            'engine' => null,
+            'options' => [],
+        ],
+    ]);
+
+    $tenant = Tenant::create([
+        'tenancy_db_name' => $name,
+    ]);
+
+    /** @var MySQLDatabaseManager $manager */
+    $manager = $tenant->database()->manager();
+    expect($manager->databaseExists($name))->toBeTrue(); // tenant connection works
+    expect($manager->database()->getConfig('host'))->toBe('mysql2');
+});
+
+test('partial tenant connection templates get merged into the central connection template', function () {
+    Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
+        return $event->tenant;
+    })->toListener());
+
+    config([
+        'database.connections.central.url' => 'example.com',
+        'tenancy.database.template_tenant_connection' => [
+            'url' => null,
+            'host' => 'mysql2',
+        ],
+    ]);
+
+    $name = 'foo' . Str::random(8);
+    $tenant = Tenant::create([
+        'tenancy_db_name' => $name,
+    ]);
+
+    /** @var MySQLDatabaseManager $manager */
+    $manager = $tenant->database()->manager();
+    expect($manager->databaseExists($name))->toBeTrue(); // tenant connection works
+    expect($manager->database()->getConfig('host'))->toBe('mysql2');
+    expect($manager->database()->getConfig('url'))->toBeNull();
+});
+
 // Datasets
 dataset('database_managers', [
     ['mysql', MySQLDatabaseManager::class],