102 lines
2.6 KiB
PHP
102 lines
2.6 KiB
PHP
<?php
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namespace App\Filament\Resources\Feed\FeedPurchases\Traits;
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use App\Models\Feed;
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use App\Models\FeedPurchaseItem;
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trait HasCart
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{
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public array $cart = [];
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public function loadCartFromDb(): void
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{
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$id = isset($this->record) ? $this->record->id : null;
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$this->cart = FeedPurchaseItem::where('feed_purchase_id', $id)
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->get()
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->pluck('quantity', 'feed_id')
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->map(fn ($qty) => ['qty' => (int) $qty])
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->toArray();
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}
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public function addFeed(int $feedId): void
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{
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$feed = Feed::find($feedId);
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if (! $feed) {
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return;
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}
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$id = isset($this->record) ? $this->record->id : null;
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$item = FeedPurchaseItem::where('feed_purchase_id', $id)
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->where('feed_id', $feedId)
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->first();
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if ($item) {
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$item->increment('quantity', 1);
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$item->update(['subtotal' => $item->quantity * $item->unit_price]);
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} else {
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FeedPurchaseItem::create([
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'feed_purchase_id' => $id,
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'feed_id' => $feedId,
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'quantity' => 1,
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'unit_price' => $feed->price,
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'subtotal' => $feed->price,
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]);
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}
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// Update stock if editing
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if ($id) {
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$feed->increment('stock', 1);
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}
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$this->loadCartFromDb();
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$this->dispatch('cart-updated');
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}
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public function decreaseQty(int $feedId): void
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{
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$id = isset($this->record) ? $this->record->id : null;
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$item = FeedPurchaseItem::where('feed_purchase_id', $id)
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->where('feed_id', $feedId)
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->first();
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if ($item) {
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if ($item->quantity > 1) {
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$item->decrement('quantity', 1);
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$item->update(['subtotal' => $item->quantity * $item->unit_price]);
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} else {
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$item->delete();
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}
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// Update stock if editing
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if ($id) {
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$item->feed?->decrement('stock', 1);
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}
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$this->loadCartFromDb();
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$this->dispatch('cart-updated');
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}
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}
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public function removeCartItem(int $itemId): void
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{
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$id = isset($this->record) ? $this->record->id : null;
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$item = FeedPurchaseItem::find($itemId);
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if ($item && $item->feed_purchase_id == $id) {
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// Revert stock if editing
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if ($id) {
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$item->feed?->decrement('stock', $item->quantity);
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}
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$item->delete();
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}
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$this->loadCartFromDb();
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$this->dispatch('cart-updated');
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}
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}
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