From 7d3147d4e1ac4c90cb5c87650bcf15dcef71f1cb Mon Sep 17 00:00:00 2001
From: Ian Morland <16573496+imorland@users.noreply.github.com>
Date: Tue, 2 Aug 2022 10:43:31 +0100
Subject: [PATCH] feat: add createTableIfNotExists migration helper (#3576)

---
 framework/core/src/Database/Migration.php | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/framework/core/src/Database/Migration.php b/framework/core/src/Database/Migration.php
index 1fb0bcb2f..7e51f68eb 100644
--- a/framework/core/src/Database/Migration.php
+++ b/framework/core/src/Database/Migration.php
@@ -38,6 +38,25 @@ abstract class Migration
         ];
     }
 
+    /**
+     * Create a table if it doesn't already exist.
+     */
+    public static function createTableIfNotExists($name, callable $definition)
+    {
+        return [
+            'up' => function (Builder $schema) use ($name, $definition) {
+                if (! $schema->hasTable($name)) {
+                    $schema->create($name, function (Blueprint $table) use ($definition) {
+                        $definition($table);
+                    });
+                }
+            },
+            'down' => function (Builder $schema) use ($name) {
+                $schema->dropIfExists($name);
+            }
+        ];
+    }
+
     /**
      * Rename a table.
      */