94 lines
2.2 KiB
PHP
94 lines
2.2 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Illuminate\Database\Eloquent\Relations\BelongsToMany;
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class ProductVariant extends Model
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{
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use HasFactory;
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/**
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* The attributes that are mass assignable.
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*
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* @var array
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*/
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protected $fillable = [
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'producto_id',
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'color_id',
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'size_id',
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'stock',
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'sku',
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'barcode'
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];
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/**
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* The attributes that should be cast to native types.
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*
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* @var array
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*/
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protected $casts = [
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'id' => 'integer',
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];
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public function producto(): BelongsTo
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{
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return $this->belongsTo(Producto::class);
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}
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public function color(): BelongsTo
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{
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return $this->belongsTo(Color::class);
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}
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public function size(): BelongsTo
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{
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return $this->belongsTo(Size::class);
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}
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/**
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* Relación many-to-many con bodegas
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*/
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public function bodegas(): BelongsToMany
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{
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return $this->belongsToMany(Bodega::class, 'variante_bodega', 'variante_id', 'bodega_id')
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->withPivot('stock')
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->withTimestamps();
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}
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/**
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* Obtener el stock total de la variante en todas las bodegas
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*/
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public function getStockTotalBodegas(): int
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{
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try {
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return $this->bodegas()->sum('variante_bodega.stock');
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} catch (\Exception $e) {
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// En caso de error, retornar 0
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return 0;
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}
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}
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/**
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* Obtener el stock efectivo de la variante (considerando bodegas si existen)
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*/
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public function getStockEfectivo(): int
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{
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try {
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// Si tiene distribución en bodegas, usar ese stock
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if ($this->bodegas()->exists()) {
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return $this->getStockTotalBodegas();
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}
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} catch (\Exception $e) {
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// En caso de error (tabla no existe, etc.), usar stock directo
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// Esto puede ocurrir durante migraciones o configuración inicial
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}
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// Stock directo de la variante
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return $this->stock;
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}
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}
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