From 98546801bc4fc14038d214097ce4036dbf5a3923 Mon Sep 17 00:00:00 2001
From: Franz Liedke <franz@develophp.org>
Date: Wed, 24 Feb 2016 22:23:49 +0900
Subject: [PATCH] Revamp migration structure

They are now simply files that return an array of closures, for
running the named "up" and "down" actions, respectively.

Related to #732.
---
 ...2_24_000000_create_access_tokens_table.php | 21 ++++++----------
 ...015_02_24_000000_create_api_keys_table.php | 21 ++++++----------
 .../2015_02_24_000000_create_config_table.php | 21 ++++++----------
 ..._02_24_000000_create_discussions_table.php | 21 ++++++----------
 ...02_24_000000_create_email_tokens_table.php | 21 ++++++----------
 .../2015_02_24_000000_create_groups_table.php | 21 ++++++----------
 ...2_24_000000_create_notifications_table.php | 21 ++++++----------
 ...24_000000_create_password_tokens_table.php | 21 ++++++----------
 ..._02_24_000000_create_permissions_table.php | 21 ++++++----------
 .../2015_02_24_000000_create_posts_table.php  | 25 ++++++++-----------
 ..._000000_create_users_discussions_table.php | 21 ++++++----------
 ...02_24_000000_create_users_groups_table.php | 21 ++++++----------
 .../2015_02_24_000000_create_users_table.php  | 21 ++++++----------
 ..._09_15_000000_create_auth_tokens_table.php | 21 ++++++----------
 ...5_09_20_224327_add_hide_to_discussions.php | 21 ++++++----------
 ...2_030432_rename_notification_read_time.php | 21 ++++++----------
 ...10_07_130531_rename_config_to_settings.php | 21 ++++++----------
 ...5_10_24_194000_add_ip_address_to_posts.php | 21 ++++++----------
 ...05_042721_change_access_tokens_columns.php | 21 ++++++----------
 ...7_change_settings_value_column_to_text.php | 21 ++++++----------
 ...6_02_04_095452_add_slug_to_discussions.php | 25 ++++++++-----------
 21 files changed, 172 insertions(+), 277 deletions(-)

diff --git a/framework/core/migrations/2015_02_24_000000_create_access_tokens_table.php b/framework/core/migrations/2015_02_24_000000_create_access_tokens_table.php
index 00c941cc3..220fd9ab3 100644
--- a/framework/core/migrations/2015_02_24_000000_create_access_tokens_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_access_tokens_table.php
@@ -8,25 +8,20 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateAccessTokensTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('access_tokens', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('access_tokens', function (Blueprint $table) {
             $table->string('id', 100)->primary();
             $table->integer('user_id')->unsigned();
             $table->timestamp('created_at');
             $table->timestamp('expires_at');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('access_tokens');
+    'down' => function (Builder $schema) {
+        $schema->drop('access_tokens');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_api_keys_table.php b/framework/core/migrations/2015_02_24_000000_create_api_keys_table.php
index 6fb8a1f74..f95417bde 100644
--- a/framework/core/migrations/2015_02_24_000000_create_api_keys_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_api_keys_table.php
@@ -8,22 +8,17 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateApiKeysTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('api_keys', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('api_keys', function (Blueprint $table) {
             $table->string('id', 100)->primary();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('api_keys');
+    'down' => function (Builder $schema) {
+        $schema->drop('api_keys');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_config_table.php b/framework/core/migrations/2015_02_24_000000_create_config_table.php
index 6b8fd3071..935be0231 100644
--- a/framework/core/migrations/2015_02_24_000000_create_config_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_config_table.php
@@ -8,23 +8,18 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateConfigTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('config', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('config', function (Blueprint $table) {
             $table->string('key', 100)->primary();
             $table->binary('value')->nullable();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('config');
+    'down' => function (Builder $schema) {
+        $schema->drop('config');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_discussions_table.php b/framework/core/migrations/2015_02_24_000000_create_discussions_table.php
index 1e8b7f964..4aebe8a53 100644
--- a/framework/core/migrations/2015_02_24_000000_create_discussions_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_discussions_table.php
@@ -8,16 +8,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateDiscussionsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('discussions', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('discussions', function (Blueprint $table) {
             $table->increments('id');
             $table->string('title', 200);
             $table->integer('comments_count')->unsigned()->default(0);
@@ -33,10 +29,9 @@ class CreateDiscussionsTable extends AbstractMigration
             $table->integer('last_post_id')->unsigned()->nullable();
             $table->integer('last_post_number')->unsigned()->nullable();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('discussions');
+    'down' => function (Builder $schema) {
+        $schema->drop('discussions');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_email_tokens_table.php b/framework/core/migrations/2015_02_24_000000_create_email_tokens_table.php
index 652d7238b..e53491db9 100644
--- a/framework/core/migrations/2015_02_24_000000_create_email_tokens_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_email_tokens_table.php
@@ -8,25 +8,20 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateEmailTokensTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('email_tokens', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('email_tokens', function (Blueprint $table) {
             $table->string('id', 100)->primary();
             $table->string('email', 150);
             $table->integer('user_id')->unsigned();
             $table->timestamp('created_at');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('email_tokens');
+    'down' => function (Builder $schema) {
+        $schema->drop('email_tokens');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_groups_table.php b/framework/core/migrations/2015_02_24_000000_create_groups_table.php
index 39ef03627..4fabd977c 100644
--- a/framework/core/migrations/2015_02_24_000000_create_groups_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_groups_table.php
@@ -8,26 +8,21 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateGroupsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('groups', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('groups', function (Blueprint $table) {
             $table->increments('id');
             $table->string('name_singular', 100);
             $table->string('name_plural', 100);
             $table->string('color', 20)->nullable();
             $table->string('icon', 100)->nullable();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('groups');
+    'down' => function (Builder $schema) {
+        $schema->drop('groups');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_notifications_table.php b/framework/core/migrations/2015_02_24_000000_create_notifications_table.php
index b81b8cb61..caf1c4e08 100644
--- a/framework/core/migrations/2015_02_24_000000_create_notifications_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_notifications_table.php
@@ -8,16 +8,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateNotificationsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('notifications', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('notifications', function (Blueprint $table) {
             $table->increments('id');
             $table->integer('user_id')->unsigned();
             $table->integer('sender_id')->unsigned()->nullable();
@@ -29,10 +25,9 @@ class CreateNotificationsTable extends AbstractMigration
             $table->boolean('is_read')->default(0);
             $table->boolean('is_deleted')->default(0);
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('notifications');
+    'down' => function (Builder $schema) {
+        $schema->drop('notifications');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_password_tokens_table.php b/framework/core/migrations/2015_02_24_000000_create_password_tokens_table.php
index 6c3ee5fdd..094e36520 100644
--- a/framework/core/migrations/2015_02_24_000000_create_password_tokens_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_password_tokens_table.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreatePasswordTokensTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('password_tokens', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('password_tokens', function (Blueprint $table) {
             $table->string('id', 100)->primary();
             $table->integer('user_id')->unsigned();
             $table->timestamp('created_at');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('password_tokens');
+    'down' => function (Builder $schema) {
+        $schema->drop('password_tokens');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_permissions_table.php b/framework/core/migrations/2015_02_24_000000_create_permissions_table.php
index b9b691846..ccd1d63b7 100644
--- a/framework/core/migrations/2015_02_24_000000_create_permissions_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_permissions_table.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreatePermissionsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('permissions', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('permissions', function (Blueprint $table) {
             $table->integer('group_id')->unsigned();
             $table->string('permission', 100);
             $table->primary(['group_id', 'permission']);
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('permissions');
+    'down' => function (Builder $schema) {
+        $schema->drop('permissions');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_posts_table.php b/framework/core/migrations/2015_02_24_000000_create_posts_table.php
index 16c78573a..97bd61e66 100644
--- a/framework/core/migrations/2015_02_24_000000_create_posts_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_posts_table.php
@@ -8,16 +8,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreatePostsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('posts', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('posts', function (Blueprint $table) {
             $table->increments('id');
             $table->integer('discussion_id')->unsigned();
             $table->integer('number')->unsigned()->nullable();
@@ -37,12 +33,11 @@ class CreatePostsTable extends AbstractMigration
             $table->engine = 'MyISAM';
         });
 
-        $prefix = $this->schema->getConnection()->getTablePrefix();
-        $this->schema->getConnection()->statement('ALTER TABLE '.$prefix.'posts ADD FULLTEXT content (content)');
-    }
+        $prefix = $schema->getConnection()->getTablePrefix();
+        $schema->getConnection()->statement('ALTER TABLE '.$prefix.'posts ADD FULLTEXT content (content)');
+    },
 
-    public function down()
-    {
-        $this->schema->drop('posts');
+    'down' => function (Builder $schema) {
+        $schema->drop('posts');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_users_discussions_table.php b/framework/core/migrations/2015_02_24_000000_create_users_discussions_table.php
index 6e5c0a547..cc579b05e 100644
--- a/framework/core/migrations/2015_02_24_000000_create_users_discussions_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_users_discussions_table.php
@@ -8,26 +8,21 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateUsersDiscussionsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('users_discussions', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('users_discussions', function (Blueprint $table) {
             $table->integer('user_id')->unsigned();
             $table->integer('discussion_id')->unsigned();
             $table->dateTime('read_time')->nullable();
             $table->integer('read_number')->unsigned()->nullable();
             $table->primary(['user_id', 'discussion_id']);
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('users_discussions');
+    'down' => function (Builder $schema) {
+        $schema->drop('users_discussions');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_users_groups_table.php b/framework/core/migrations/2015_02_24_000000_create_users_groups_table.php
index 4b39efbdb..64d2cb9b6 100644
--- a/framework/core/migrations/2015_02_24_000000_create_users_groups_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_users_groups_table.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateUsersGroupsTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('users_groups', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('users_groups', function (Blueprint $table) {
             $table->integer('user_id')->unsigned();
             $table->integer('group_id')->unsigned();
             $table->primary(['user_id', 'group_id']);
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('users_groups');
+    'down' => function (Builder $schema) {
+        $schema->drop('users_groups');
     }
-}
+];
diff --git a/framework/core/migrations/2015_02_24_000000_create_users_table.php b/framework/core/migrations/2015_02_24_000000_create_users_table.php
index cb1dfd28d..4edf78a5c 100644
--- a/framework/core/migrations/2015_02_24_000000_create_users_table.php
+++ b/framework/core/migrations/2015_02_24_000000_create_users_table.php
@@ -8,16 +8,12 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateUsersTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('users', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('users', function (Blueprint $table) {
             $table->increments('id');
             $table->string('username', 100)->unique();
             $table->string('email', 150)->unique();
@@ -33,10 +29,9 @@ class CreateUsersTable extends AbstractMigration
             $table->integer('discussions_count')->unsigned()->default(0);
             $table->integer('comments_count')->unsigned()->default(0);
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('users');
+    'down' => function (Builder $schema) {
+        $schema->drop('users');
     }
-}
+];
diff --git a/framework/core/migrations/2015_09_15_000000_create_auth_tokens_table.php b/framework/core/migrations/2015_09_15_000000_create_auth_tokens_table.php
index a98a58679..6503723a6 100644
--- a/framework/core/migrations/2015_09_15_000000_create_auth_tokens_table.php
+++ b/framework/core/migrations/2015_09_15_000000_create_auth_tokens_table.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class CreateAuthTokensTable extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->create('auth_tokens', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->create('auth_tokens', function (Blueprint $table) {
             $table->string('id', 100)->primary();
             $table->string('payload', 150);
             $table->timestamp('created_at');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->drop('auth_tokens');
+    'down' => function (Builder $schema) {
+        $schema->drop('auth_tokens');
     }
-}
+];
diff --git a/framework/core/migrations/2015_09_20_224327_add_hide_to_discussions.php b/framework/core/migrations/2015_09_20_224327_add_hide_to_discussions.php
index ba118d8a9..63669732a 100644
--- a/framework/core/migrations/2015_09_20_224327_add_hide_to_discussions.php
+++ b/framework/core/migrations/2015_09_20_224327_add_hide_to_discussions.php
@@ -8,25 +8,20 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class AddHideToDiscussions extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('discussions', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('discussions', function (Blueprint $table) {
             $table->dateTime('hide_time')->nullable();
             $table->integer('hide_user_id')->unsigned()->nullable();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('discussions', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('discussions', function (Blueprint $table) {
             $table->dropColumn(['hide_time', 'hide_user_id']);
         });
     }
-}
+];
diff --git a/framework/core/migrations/2015_09_22_030432_rename_notification_read_time.php b/framework/core/migrations/2015_09_22_030432_rename_notification_read_time.php
index 020f351a0..598db92e7 100644
--- a/framework/core/migrations/2015_09_22_030432_rename_notification_read_time.php
+++ b/framework/core/migrations/2015_09_22_030432_rename_notification_read_time.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class RenameNotificationReadTime extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('users', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('users', function (Blueprint $table) {
             $table->renameColumn('notification_read_time', 'notifications_read_time');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('users', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('users', function (Blueprint $table) {
             $table->renameColumn('notifications_read_time', 'notification_read_time');
         });
     }
-}
+];
diff --git a/framework/core/migrations/2015_10_07_130531_rename_config_to_settings.php b/framework/core/migrations/2015_10_07_130531_rename_config_to_settings.php
index 4a1466c5a..4d3683511 100644
--- a/framework/core/migrations/2015_10_07_130531_rename_config_to_settings.php
+++ b/framework/core/migrations/2015_10_07_130531_rename_config_to_settings.php
@@ -8,19 +8,14 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
+use Illuminate\Database\Schema\Builder;
 
-use Flarum\Database\AbstractMigration;
+return [
+    'up' => function (Builder $schema) {
+        $schema->rename('config', 'settings');
+    },
 
-class RenameConfigToSettings extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->rename('config', 'settings');
+    'down' => function (Builder $schema) {
+        $schema->rename('settings', 'config');
     }
-
-    public function down()
-    {
-        $this->schema->rename('settings', 'config');
-    }
-}
+];
diff --git a/framework/core/migrations/2015_10_24_194000_add_ip_address_to_posts.php b/framework/core/migrations/2015_10_24_194000_add_ip_address_to_posts.php
index 2c8b2f2bd..cc40a1143 100644
--- a/framework/core/migrations/2015_10_24_194000_add_ip_address_to_posts.php
+++ b/framework/core/migrations/2015_10_24_194000_add_ip_address_to_posts.php
@@ -8,24 +8,19 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class AddIpAddressToPosts extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('posts', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('posts', function (Blueprint $table) {
             $table->string('ip_address', 45)->nullable();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('posts', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('posts', function (Blueprint $table) {
             $table->dropColumn(['ip_address']);
         });
     }
-}
+];
diff --git a/framework/core/migrations/2015_12_05_042721_change_access_tokens_columns.php b/framework/core/migrations/2015_12_05_042721_change_access_tokens_columns.php
index 5d94c911b..e3f489320 100644
--- a/framework/core/migrations/2015_12_05_042721_change_access_tokens_columns.php
+++ b/framework/core/migrations/2015_12_05_042721_change_access_tokens_columns.php
@@ -1,26 +1,21 @@
 <?php
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class ChangeAccessTokensColumns extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('access_tokens', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('access_tokens', function (Blueprint $table) {
             $table->string('id', 40)->change();
             $table->dropColumn('created_at');
             $table->dropColumn('expires_at');
             $table->integer('last_activity');
             $table->integer('lifetime');
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('access_tokens', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('access_tokens', function (Blueprint $table) {
             $table->string('id', 100)->change();
             $table->dropColumn('last_activity');
             $table->dropColumn('lifetime');
@@ -28,4 +23,4 @@ class ChangeAccessTokensColumns extends AbstractMigration
             $table->timestamp('expires_at');
         });
     }
-}
+];
diff --git a/framework/core/migrations/2015_12_17_194247_change_settings_value_column_to_text.php b/framework/core/migrations/2015_12_17_194247_change_settings_value_column_to_text.php
index 85c603d27..402e43bca 100644
--- a/framework/core/migrations/2015_12_17_194247_change_settings_value_column_to_text.php
+++ b/framework/core/migrations/2015_12_17_194247_change_settings_value_column_to_text.php
@@ -1,23 +1,18 @@
 <?php
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class ChangeSettingsValueColumnToText extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('settings', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('settings', function (Blueprint $table) {
             $table->text('value')->change();
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('settings', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('settings', function (Blueprint $table) {
             $table->binary('value')->change();
         });
     }
-}
+];
diff --git a/framework/core/migrations/2016_02_04_095452_add_slug_to_discussions.php b/framework/core/migrations/2016_02_04_095452_add_slug_to_discussions.php
index abcd828ff..a6ddd8459 100644
--- a/framework/core/migrations/2016_02_04_095452_add_slug_to_discussions.php
+++ b/framework/core/migrations/2016_02_04_095452_add_slug_to_discussions.php
@@ -8,34 +8,29 @@
  * file that was distributed with this source code.
  */
 
-namespace Flarum\Core\Migration;
-
-use Flarum\Database\AbstractMigration;
 use Flarum\Util\Str;
 use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Schema\Builder;
 
-class AddSlugToDiscussions extends AbstractMigration
-{
-    public function up()
-    {
-        $this->schema->table('discussions', function (Blueprint $table) {
+return [
+    'up' => function (Builder $schema) {
+        $schema->table('discussions', function (Blueprint $table) {
             $table->string('slug');
         });
 
         // Store slugs for existing discussions
-        $this->schema->getConnection()->table('discussions')->chunk(100, function ($discussions) {
+        $schema->getConnection()->table('discussions')->chunk(100, function ($discussions) use ($schema) {
             foreach ($discussions as $discussion) {
-                $this->schema->getConnection()->table('discussions')->where('id', $discussion->id)->update([
+                $schema->getConnection()->table('discussions')->where('id', $discussion->id)->update([
                     'slug' => Str::slug($discussion->title)
                 ]);
             }
         });
-    }
+    },
 
-    public function down()
-    {
-        $this->schema->table('discussions', function (Blueprint $table) {
+    'down' => function (Builder $schema) {
+        $schema->table('discussions', function (Blueprint $table) {
             $table->dropColumn('slug');
         });
     }
-}
+];