ladill-servers/app/Models/HostingPlanChange.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasOne;

class HostingPlanChange extends Model
{
    use HasFactory;

    public const DIRECTION_UPGRADE = 'upgrade';
    public const DIRECTION_DOWNGRADE = 'downgrade';

    protected $fillable = [
        'user_id',
        'hosting_account_id',
        'from_hosting_product_id',
        'to_hosting_product_id',
        'direction',
        'billing_cycle',
        'cycle_months',
        'remaining_days',
        'proration_ratio',
        'old_cycle_price',
        'new_cycle_price',
        'charge_amount',
        'credit_amount',
        'net_amount',
        'currency',
        'status',
        'applied_at',
        'metadata',
    ];

    protected $casts = [
        'cycle_months' => 'integer',
        'remaining_days' => 'integer',
        'proration_ratio' => 'decimal:4',
        'old_cycle_price' => 'decimal:2',
        'new_cycle_price' => 'decimal:2',
        'charge_amount' => 'decimal:2',
        'credit_amount' => 'decimal:2',
        'net_amount' => 'decimal:2',
        'applied_at' => 'datetime',
        'metadata' => 'array',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function account(): BelongsTo
    {
        return $this->belongsTo(HostingAccount::class, 'hosting_account_id');
    }

    public function fromProduct(): BelongsTo
    {
        return $this->belongsTo(HostingProduct::class, 'from_hosting_product_id');
    }

    public function toProduct(): BelongsTo
    {
        return $this->belongsTo(HostingProduct::class, 'to_hosting_product_id');
    }

    public function invoice(): HasOne
    {
        return $this->hasOne(HostingBillingInvoice::class);
    }
}