[4.x] Drop tenant databases on migrate:fresh (#971)

* Test that `migrate:fresh` deletes tenant databases

* Delete tenants on `migrate:fresh`

* Fix code style (php-cs-fixer)

* Add config key for dropping tenant databases on `migrate:fresh`

* Add MigrateFreshOverride

* Try to override `migrate:fresh` in TenancyServiceProvider

* Update `migrate:fresh` test

* Fix code style (php-cs-fixer)

* Drop tenant databases by default

* Change `migrate:fresh` test to test if the tenant DBs are dropped by default

* Override `migrate:fresh` by extending `FreshCommand` in TenancyServiceProvider

* Update MigrateFreshOverride

* Fix code style (php-cs-fixer)

* Fix commands test

* Simplify handle method

* Fix code style (php-cs-fixer)

* Don't drop tenant DBs on migrate:fresh by default

* Change command overriding

* Update migrate:fresh test

* always register MigrateFreshOverride

* misc

Co-authored-by: PHP CS Fixer <phpcsfixer@example.com>
Co-authored-by: Samuel Štancl <samuel.stancl@gmail.com>

assets/config.php

@@ -116,18 +116,21 @@ return [
             'pgsql' => Stancl\Tenancy\Database\TenantDatabaseManagers\PostgreSQLDatabaseManager::class,
             'sqlsrv' => Stancl\Tenancy\Database\TenantDatabaseManagers\MicrosoftSQLDatabaseManager::class,
 
-        /**
-         * Use this database manager for MySQL to have a DB user created for each tenant database.
-         * You can customize the grants given to these users by changing the $grants property.
-         */
+            /**
+             * Use this database manager for MySQL to have a DB user created for each tenant database.
+             * You can customize the grants given to these users by changing the $grants property.
+             */
             // 'mysql' => Stancl\Tenancy\Database\TenantDatabaseManagers\PermissionControlledMySQLDatabaseManager::class,
 
-        /**
-         * Disable the pgsql manager above, and enable the one below if you
-         * want to separate tenant DBs by schemas rather than databases.
-         */
+            /**
+             * Disable the pgsql manager above, and enable the one below if you
+             * want to separate tenant DBs by schemas rather than databases.
+             */
             // 'pgsql' => Stancl\Tenancy\Database\TenantDatabaseManagers\PostgreSQLSchemaManager::class, // Separate by schema instead of database
         ],
+
+        // todo docblock
+        'drop_tenant_databases_on_migrate_fresh' => false,
     ],
 
     /**

composer.json

@@ -30,7 +30,8 @@
         "doctrine/dbal": "^2.10",
         "spatie/valuestore": "^1.2.5",
         "pestphp/pest": "^1.21",
-        "nunomaduro/larastan": "^1.0"
+        "nunomaduro/larastan": "^1.0",
+        "spatie/invade": "^1.1"
     },
     "autoload": {
         "psr-4": {

phpstan.neon

@@ -1,5 +1,6 @@
 includes:
     - ./vendor/nunomaduro/larastan/extension.neon
+    - ./vendor/spatie/invade/phpstan-extension.neon
 
 parameters:
     paths:

src/Commands/MigrateFreshOverride.php

@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Stancl\Tenancy\Commands;
+
+use Illuminate\Database\Console\Migrations\FreshCommand;
+
+class MigrateFreshOverride extends FreshCommand
+{
+    public function handle()
+    {
+        if (config('tenancy.database.drop_tenant_databases_on_migrate_fresh')) {
+            tenancy()->model()::cursor()->each->delete();
+        }
+
+        return parent::handle();
+    }
+}

src/Events/Contracts/TenantEvent.php

@@ -7,7 +7,7 @@ namespace Stancl\Tenancy\Events\Contracts;
 use Illuminate\Queue\SerializesModels;
 use Stancl\Tenancy\Contracts\Tenant;
 
-abstract class TenantEvent
+abstract class TenantEvent // todo we could add a feature to JobPipeline that automatically gets data for the send() from here
 {
     use SerializesModels;
 

src/TenancyServiceProvider.php

@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace Stancl\Tenancy;
 
 use Illuminate\Cache\CacheManager;
+use Illuminate\Database\Console\Migrations\FreshCommand;
 use Illuminate\Support\Facades\Event;
 use Illuminate\Support\ServiceProvider;
 use Stancl\Tenancy\Bootstrappers\FilesystemTenancyBootstrapper;
@@ -90,6 +91,10 @@ class TenancyServiceProvider extends ServiceProvider
             Commands\Up::class,
         ]);
 
+        $this->app->extend(FreshCommand::class, function () {
+            return new Commands\MigrateFreshOverride;
+        });
+
         $this->publishes([
             __DIR__ . '/../assets/config.php' => config_path('tenancy.php'),
         ], 'config');

tests/CommandsTest.php

@@ -2,24 +2,28 @@
 
 declare(strict_types=1);
 
-use Illuminate\Database\DatabaseManager;
-use Illuminate\Support\Carbon;
-use Illuminate\Support\Facades\Artisan;
 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\Support\Facades\Schema;
-use Stancl\JobPipeline\JobPipeline;
-use Stancl\Tenancy\Bootstrappers\DatabaseTenancyBootstrapper;
+use Stancl\Tenancy\Jobs\DeleteDomains;
+use Illuminate\Support\Facades\Artisan;
 use Stancl\Tenancy\Events\TenancyEnded;
-use Stancl\Tenancy\Events\TenancyInitialized;
-use Stancl\Tenancy\Events\TenantCreated;
 use Stancl\Tenancy\Jobs\CreateDatabase;
+use Stancl\Tenancy\Jobs\DeleteDatabase;
+use Illuminate\Database\DatabaseManager;
+use Stancl\Tenancy\Events\TenantCreated;
+use Stancl\Tenancy\Events\TenantDeleted;
+use Stancl\Tenancy\Tests\Etc\TestSeeder;
+use Stancl\Tenancy\Events\DeletingTenant;
+use Stancl\Tenancy\Tests\Etc\ExampleSeeder;
+use Stancl\Tenancy\Events\TenancyInitialized;
 use Stancl\Tenancy\Listeners\BootstrapTenancy;
 use Stancl\Tenancy\Listeners\RevertToCentralContext;
-use Stancl\Tenancy\Tests\Etc\ExampleSeeder;
-use Stancl\Tenancy\Tests\Etc\Tenant;
-use Stancl\Tenancy\Tests\Etc\TestSeeder;
-use Stancl\Tenancy\Tests\Etc\User;
+use Stancl\Tenancy\Bootstrappers\DatabaseTenancyBootstrapper;
+
 
 beforeEach(function () {
     Event::listen(TenantCreated::class, JobPipeline::make([CreateDatabase::class])->send(function (TenantCreated $event) {
@@ -267,6 +271,47 @@ test('run command works when sub command asks questions and accepts arguments',
     expect($user->email)->toBe('email@localhost');
 });
 
+test('migrate fresh command only deletes tenant databases if drop_tenant_databases_on_migrate_fresh is true', function (bool $dropTenantDBsOnMigrateFresh) {
+    Event::listen(DeletingTenant::class,
+        JobPipeline::make([DeleteDomains::class])->send(function (DeletingTenant $event) {
+            return $event->tenant;
+        })->shouldBeQueued(false)->toListener()
+    );
+
+    Event::listen(
+        TenantDeleted::class,
+        JobPipeline::make([DeleteDatabase::class])->send(function (TenantDeleted $event) {
+            return $event->tenant;
+        })->shouldBeQueued(false)->toListener()
+    );
+
+    config(['tenancy.database.drop_tenant_databases_on_migrate_fresh' => $dropTenantDBsOnMigrateFresh]);
+    $shouldHaveDBAfterMigrateFresh = ! $dropTenantDBsOnMigrateFresh;
+
+    /** @var Tenant[] $tenants */
+    $tenants = [
+        Tenant::create(),
+        Tenant::create(),
+        Tenant::create(),
+    ];
+
+    $tenantHasDatabase = fn (Tenant $tenant) => $tenant->database()->manager()->databaseExists($tenant->database()->getName());
+
+    foreach ($tenants as $tenant) {
+        expect($tenantHasDatabase($tenant))->toBeTrue();
+    }
+
+    pest()->artisan('migrate:fresh', [
+        '--force' => true,
+        '--path' => __DIR__ . '/../assets/migrations',
+        '--realpath' => true,
+    ]);
+
+    foreach ($tenants as $tenant) {
+        expect($tenantHasDatabase($tenant))->toBe($shouldHaveDBAfterMigrateFresh);
+    }
+})->with([true, false]);
+
 // todo@tests
 function runCommandWorks(): void
 {