boursecu_server/app/Models/PriceTrigger.php

<?php
namespace App\Models;

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

class PriceTrigger extends Model
{
    use HasFactory, SoftDeletes;

    private static ?bool $productIdColumnExists = null;

    protected $fillable = [
        'customer_id',
        'product_id',
        'target_price',
        'price_condition',
        'action',
        'is_active',
        'triggered_at',
    ];
    protected $casts = [
        "is_active" => "boolean",
    ];

    public static function hasProductIdColumn(): bool
    {
        if (static::$productIdColumnExists !== null) {
            return static::$productIdColumnExists;
        }

        try {
            static::$productIdColumnExists = \Illuminate\Support\Facades\Schema::hasColumn(
                (new static)->getTable(),
                'product_id'
            );
        } catch (\Throwable) {
            static::$productIdColumnExists = false;
        }

        return static::$productIdColumnExists;
    }

    public function customer()
    {
        return $this->belongsTo(Customer::class);
    }

    public function product()
    {
        return $this->belongsTo(Product::class);
    }
}