database/migrations/2025_07_26_194206_create_revenue_tracking_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('revenue_tracking', function (Blueprint $table) {
            $table->id();
            $table->foreignId('order_id')->constrained()->onDelete('cascade');
            $table->decimal('amount', 10, 2);
            $table->decimal('cost', 10, 2)->default(0); // Product cost for profit calculation
            $table->decimal('profit_margin', 5, 4)->default(0); // Calculated profit margin
            $table->string('product_name')->nullable();
            $table->integer('quantity')->default(1);
            $table->timestamps();
            
            // Indexes for performance
            $table->index('order_id');
            $table->index('created_at');
        });
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('revenue_tracking');
    }
};