shopit-back/app/Domains/Bundle/Models/Bundle.php

137 lines
3.4 KiB
PHP

<?php
namespace App\Domains\Bundle\Models;
use App\Domains\Catalog\Models\GroupItem;
use App\Domains\Shared\Contracts\Buyable;
use App\Domains\Tenant\Models\Tenant;
use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Casts\Attribute;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\Relations\MorphMany;
#[Fillable([
'tenant_codigo',
'nombre',
'descripcion',
'precio',
])]
class Bundle extends Model implements Buyable
{
use HasFactory;
protected $table = 'bundles';
protected $appends = ['stock_tecnico'];
protected function casts(): array
{
return [
'precio' => 'decimal:2',
];
}
/**
* @return BelongsTo<Tenant, $this>
*/
public function tenant(): BelongsTo
{
return $this->belongsTo(Tenant::class, 'tenant_codigo', 'codigo');
}
/**
* @return HasMany<BundleItem, $this>
*/
public function items(): HasMany
{
return $this->hasMany(BundleItem::class, 'bundle_id');
}
/**
* @return MorphMany<GroupItem, $this>
*/
public function groupItems(): MorphMany
{
return $this->morphMany(GroupItem::class, 'groupable');
}
public function getPrice(): float
{
return (float) $this->precio;
}
public function getName(): string
{
return $this->nombre ?? 'Bundle';
}
public function availableQuantity(): ?int
{
if ($this->items->isEmpty()) {
return 0;
}
$availableQuantities = [];
foreach ($this->items as $item) {
$variantQuantity = $item->variant?->availableQuantity();
if ($variantQuantity !== null) {
$availableQuantities[] = intdiv($variantQuantity, $item->cantidad);
}
}
return $availableQuantities === [] ? null : min($availableQuantities);
}
public function reserveStock(int $amount): void
{
if ($amount < 0) {
throw new \InvalidArgumentException('El monto a reservar debe ser positivo.');
}
foreach ($this->items as $item) {
$item->variant->reserveStock($amount * $item->cantidad);
}
}
public function decrementReservedStock(int $amount): void
{
if ($amount < 0) {
throw new \InvalidArgumentException('El monto a decrementar debe ser positivo.');
}
foreach ($this->items as $item) {
$item->variant->decrementReservedStock($amount * $item->cantidad);
}
}
public function buy(int $amount): void
{
if ($amount < 0) {
throw new \InvalidArgumentException('El monto a comprar debe ser positivo.');
}
foreach ($this->items as $item) {
$item->variant->buy($amount * $item->cantidad);
}
}
public function validateStock(): void
{
$availableQuantity = $this->availableQuantity();
if ($availableQuantity !== null && $availableQuantity <= 0) {
throw new \InvalidArgumentException('El bundle no tiene stock tecnico disponible.');
}
}
protected function stockTecnico(): Attribute
{
return Attribute::get(fn (): ?int => $this->availableQuantity());
}
}