feat: add modal to manually update feed item quantities in cart

app/Filament/Resources/Feed/FeedPurchases/Traits/HasCart.php

@@ -9,6 +9,14 @@ trait HasCart
 {
     public array $cart = [];
 
+    public bool $isQtyModalOpen = false;
+
+    public ?int $modalFeedId = null;
+
+    public ?int $modalQty = null;
+
+    public ?string $modalFeedName = null;
+
     public function loadCartFromDb(): void
     {
         $id = isset($this->record) ? $this->record->id : null;
@@ -20,6 +28,31 @@ public function loadCartFromDb(): void
             ->toArray();
     }
 
+    public function openQtyModal(int $feedId): void
+    {
+        $feed = Feed::find($feedId);
+        if (! $feed) {
+            return;
+        }
+
+        $this->modalFeedId = $feedId;
+        $this->modalFeedName = $feed->name;
+        $this->modalQty = $this->cart[$feedId]['qty'] ?? 0;
+        $this->isQtyModalOpen = true;
+
+        $this->dispatch('open-modal', id: 'qty-modal');
+    }
+
+    public function saveQtyModal(): void
+    {
+        if ($this->modalFeedId) {
+            $this->updateQty($this->modalFeedId, (int) $this->modalQty);
+        }
+        $this->isQtyModalOpen = false;
+
+        $this->dispatch('close-modal', id: 'qty-modal');
+    }
+
     public function addFeed(int $feedId): void
     {
         $feed = Feed::find($feedId);
@@ -81,6 +114,60 @@ public function decreaseQty(int $feedId): void
         }
     }
 
+    public function updateQty(int $feedId, $qty): void
+    {
+        $qty = (int) $qty;
+        $feed = Feed::find($feedId);
+        if (! $feed) {
+            return;
+        }
+
+        $id = isset($this->record) ? $this->record->id : null;
+
+        $item = FeedPurchaseItem::where('feed_purchase_id', $id)
+            ->where('feed_id', $feedId)
+            ->first();
+
+        if ($qty <= 0) {
+            if ($item) {
+                // Revert stock if editing
+                if ($id) {
+                    $item->feed?->decrement('stock', $item->quantity);
+                }
+                $item->delete();
+            }
+        } else {
+            if ($item) {
+                $oldQty = $item->quantity;
+                $item->update([
+                    'quantity' => $qty,
+                    'subtotal' => $qty * $item->unit_price,
+                ]);
+
+                // Update stock if editing
+                if ($id) {
+                    $feed->increment('stock', $qty - $oldQty);
+                }
+            } else {
+                FeedPurchaseItem::create([
+                    'feed_purchase_id' => $id,
+                    'feed_id' => $feedId,
+                    'quantity' => $qty,
+                    'unit_price' => $feed->price,
+                    'subtotal' => $qty * $feed->price,
+                ]);
+
+                // Update stock if editing
+                if ($id) {
+                    $feed->increment('stock', $qty);
+                }
+            }
+        }
+
+        $this->loadCartFromDb();
+        $this->dispatch('cart-updated');
+    }
+
     public function removeCartItem(int $itemId): void
     {
         $id = isset($this->record) ? $this->record->id : null;

resources/views/filament/resources/manage/feed-purchases/feed-items-grid.blade.php

@@ -29,7 +29,10 @@ class="w-8 h-8 rounded-full border border-gray-200 dark:border-gray-600 flex ite
                         -
                     </a>
 
-                    <span class="text-sm font-bold w-6 text-center text-gray-900 dark:text-gray-100">
+                    <span
+                        wire:click="openQtyModal({{ $feed->id }})"
+                        class="text-sm font-bold w-6 text-center text-gray-900 dark:text-gray-100 cursor-pointer hover:text-teal-500 transition-colors"
+                    >
                         {{ $this->cart[$feed->id]['qty'] ?? 0 }}
                     </span>
 
@@ -42,6 +45,36 @@ class="w-8 h-8 rounded-full flex items-center justify-center text-white text-lg
 
             </div>
         </div>
+
     @endforeach
 
+    <x-filament::modal id="qty-modal" wire:model.live="isQtyModalOpen" width="sm">
+        <x-slot name="heading">
+            Atur Jumlah: {{ $this->modalFeedName }}
+        </x-slot>
+
+        <div class="py-2">
+            <x-filament::input.wrapper>
+                <x-filament::input
+                    type="number"
+                    wire:model="modalQty"
+                    wire:keydown.enter="saveQtyModal"
+                    placeholder="Masukan jumlah..."
+                    autofocus
+                />
+            </x-filament::input.wrapper>
+        </div>
+
+        <x-slot name="footer">
+            <div class="flex justify-end gap-3">
+                <x-filament::button color="gray" wire:click="$set('isQtyModalOpen', false)" size="sm">
+                    Batal
+                </x-filament::button>
+                <x-filament::button wire:click="saveQtyModal" size="sm">
+                    Simpan
+                </x-filament::button>
+            </div>
+        </x-slot>
+    </x-filament::modal>
+
 </div>