Price History Eloquent Model (Models/PriceHistory.php)

Laravel model tracking product price changes over time with warehouse scoping and effective/expiry dates.

// Source: https://github.com/Zakarialabib/myStockMaster | License: MIT | Copyright 2022 Zakarialabib
// Provided via justclaw.it.com; keep this notice with the code.
<?php

declare(strict_types=1);

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

/**
 * @property int                             $id
 * @property string|null                     $product_id
 * @property int|null                        $warehouse_id
 * @property int                             $cost
 * @property string|null                     $effective_date
 * @property string|null                     $expiry_date
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property-read Product|nu

... (truncated -- full source via MCP)