feat(seeder): membuat seeder untuk formula

database/seeders/DatabaseSeeder.php

@@ -20,6 +20,7 @@ public function run(): void
             PerfumeSeeder::class,
             ProductSeeder::class,
             BottleSeeder::class,
+            FormulaSeeder::class,
         ]);
     }
 }

database/seeders/FormulaSeeder.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Bottle;
+use App\Models\Formula;
+use Illuminate\Database\Seeder;
+
+class FormulaSeeder extends Seeder
+{
+    public function run(): void
+    {
+        $ratios = [
+            'PREMIUM' => 2 / 3,
+            'SUPER PREMIUM' => 3 / 4,
+            'MURNI' => 1.0,
+        ];
+
+        $sizes = Bottle::distinct()->pluck('size');
+
+        foreach ($sizes as $size) {
+            foreach ($ratios as $quality => $ratio) {
+                Formula::create([
+                    'quality' => $quality,
+                    'size' => $size,
+                    'volume' => round($size * $ratio),
+                ]);
+            }
+        }
+    }
+}