tsett
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97
app/Models/CartItem.php
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97
app/Models/CartItem.php
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<?php
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namespace App\Models;
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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\Support\Facades\Auth;
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class CartItem extends Model
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{
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protected $fillable = [
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'user_id',
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'session_id',
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'variation_id',
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'quantity',
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'price'
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];
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protected $casts = [
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'quantity' => 'integer',
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'price' => 'decimal:2'
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];
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public function variation(): BelongsTo
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{
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return $this->belongsTo(ProductVariation::class);
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}
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public function user(): BelongsTo
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{
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return $this->belongsTo(User::class);
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}
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public function getTotalAttribute(): float
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{
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return $this->quantity * $this->price;
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}
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/**
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* Получить корзину для текущего пользователя/сессии
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*/
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public static function getCartQuery()
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{
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return self::with('variation.product')
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->where(function ($query) {
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if (Auth::check()) {
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$query->where('user_id', Auth::id());
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} else {
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$query->where('session_id', session()->getId());
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}
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});
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}
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/**
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* Получить количество товаров в корзине
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*/
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public static function getCount()
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{
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return self::getCartQuery()->sum('quantity');
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}
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/**
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* Получить общую сумму корзины
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*/
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public static function getTotal()
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{
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return self::getCartQuery()->get()->sum('total');
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}
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/**
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* Получить товар в корзине по вариации
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*/
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public static function findByVariation($variationId)
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{
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return self::getCartQuery()
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->where('variation_id', $variationId)
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->first();
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}
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/**
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* Получить товар в корзине по ID
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*/
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public static function findCartItem($id)
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{
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return self::getCartQuery()
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->where('id', $id)
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->first();
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}
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/**
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* Очистить корзину
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*/
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public static function clear()
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{
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return self::getCartQuery()->delete();
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}
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}
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