pdv.backend/app/Models/Inventory.php
Juan Felipe Zapata Moreno 5a646d84d5 Refactorizar gestión de inventario a sistema multi-almacén
- Migrar manejo de stock de  a .
- Implementar  para centralizar lógica de entradas, salidas y transferencias.
- Añadir  (CRUD) y Requests de validación.
- Actualizar reportes, cálculos de valor y migraciones para la nueva estructura.
- Agregar campo  para rastreo de movimientos.
2026-02-05 23:59:35 -06:00

124 lines
2.8 KiB
PHP

<?php namespace App\Models;
/**
* @copyright (c) 2025 Notsoweb Software (https://notsoweb.com) - All Rights Reserved
*/
use App\Services\InventoryMovementService;
use Illuminate\Database\Eloquent\Model;
/**
* Modelo de Inventario (Catálogo de productos)
*
* El stock NO vive aquí, vive en inventory_warehouse
*
* @author Moisés Cortés C. <moises.cortes@notsoweb.com>
*
* @version 1.0.0
*/
class Inventory extends Model
{
protected $fillable = [
'category_id',
'name',
'sku',
'barcode',
'track_serials',
'is_active',
];
protected $casts = [
'is_active' => 'boolean',
'track_serials' => 'boolean',
];
protected $appends = ['has_serials', 'inventory_value', 'stock'];
public function warehouses()
{
return $this->belongsToMany(Warehouse::class, 'inventory_warehouse')
->withPivot('stock', 'min_stock', 'max_stock')
->withTimestamps();
}
/**
* Stock total en todos los almacenes
*/
public function getStockAttribute(): int
{
return $this->warehouses()->sum('inventory_warehouse.stock');
}
/**
* Alias para compatibilidad
*/
public function getTotalStockAttribute(): int
{
return $this->stock;
}
/**
* Stock en un almacén específico
*/
public function stockInWarehouse(int $warehouseId): int
{
return $this->warehouses()
->where('warehouse_id', $warehouseId)
->value('inventory_warehouse.stock') ?? 0;
}
public function category()
{
return $this->belongsTo(Category::class);
}
public function price()
{
return $this->hasOne(Price::class);
}
public function serials()
{
return $this->hasMany(InventorySerial::class);
}
/**
* Obtener seriales disponibles
*/
public function availableSerials()
{
return $this->hasMany(InventorySerial::class)
->where('status', 'disponible');
}
/**
* Stock basado en seriales disponibles (para productos con track_serials)
*/
public function getAvailableStockAttribute(): int
{
return $this->availableSerials()->count();
}
public function getHasSerialsAttribute(): bool
{
return isset($this->attributes['serials_count']) && $this->attributes['serials_count'] > 0;
}
/**
* Valor total del inventario (stock * costo)
*/
public function getInventoryValueAttribute(): float
{
return $this->stock * ($this->price?->cost ?? 0);
}
/**
* Sincronizar stock basado en seriales disponibles
* Delega al servicio para mantener la lógica centralizada
*/
public function syncStock(): void
{
app(InventoryMovementService::class)->syncStockFromSerials($this);
}
}