fix: make the selected channel apply changes to product each time

app/Repositories/Shop/Articles.php

@@ -6,6 +6,8 @@ use App\Models\Shop\Article;
 use App\Repositories\Botanic\Species;
 use App\Repositories\Botanic\Varieties;
 use App\Repositories\Shop\SaleChannels;
+use App\Repositories\Shop\Customers;
+use Illuminate\Support\Facades\Schema;
 use App\Repositories\Core\Comments;
 use App\Traits\Model\Basic;
 use App\Traits\Repository\Imageable;
@@ -72,12 +74,31 @@ class Articles
     public static function getArticleToSell($id, $saleChannelId = false)
     {
         $saleChannelId = $saleChannelId ?: SaleChannels::getDefaultID();
+        $sessionSaleChannelId = session('shop.default_sale_channel_id');
+        $customer = Customers::getAuth();
+        $hasDefaultSaleChannelColumn = Schema::hasColumn('shop_customers', 'default_sale_channel_id');
+        $customerDefaultSaleChannelId = ($customer && $hasDefaultSaleChannelColumn)
+            ? $customer->default_sale_channel_id
+            : null;
+        $customerSaleChannelIds = [];
+
+        if ($customer) {
+            $customer->loadMissing('sale_channels:id');
+            $customerSaleChannelIds = $customer->sale_channels->pluck('id')->toArray();
+        }
         $data = self::getArticle($id);
         $data['offers'] = self::getOffersGroupedByNature($id, $saleChannelId);
 
         $currentSaleChannel = $saleChannelId ? SaleChannels::get($saleChannelId) : null;
         $data['current_sale_channel'] = $currentSaleChannel ? $currentSaleChannel->toArray() : null;
         $data['available_sale_channels'] = Offers::getSaleChannelsForArticle($id);
+        $data['debug_sale_channel'] = [
+            'session_default_sale_channel_id' => $sessionSaleChannelId,
+            'customer_default_sale_channel_id' => $customerDefaultSaleChannelId,
+            'customer_linked_sale_channel_ids' => $customerSaleChannelIds,
+            'resolved_sale_channel_id' => $saleChannelId,
+            'has_default_sale_channel_column' => $hasDefaultSaleChannelColumn,
+        ];
 
         return $data;
     }

app/Repositories/Shop/Customers.php

@@ -179,6 +179,24 @@ class Customers
         return $customer->sale_channels()->sync($saleChannels);
     }
 
+    public static function setDefaultSaleChannel($customerId, $saleChannelId)
+    {
+        if (! $customerId) {
+            return false;
+        }
+
+        $customer = self::get($customerId);
+
+        if (! $customer) {
+            return false;
+        }
+
+        $customer->default_sale_channel_id = $saleChannelId ?: null;
+        $customer->save();
+
+        return $customer->fresh(['sale_channels']);
+    }
+
     public static function create($data)
     {
         $data['uuid'] = Str::uuid();

app/Repositories/Shop/Offers.php

@@ -182,27 +182,45 @@ class Offers
 
         $offers = Offer::query()
             ->byArticle($articleId)
-            ->with('article')
+            ->with([
+                'article',
+                'tariff:id,status_id',
+            ])
             ->get();
 
         return $channels->map(function ($channel) use ($offers) {
             $priceValue = null;
+            $candidateOffer = null;
 
             foreach ($offers as $offer) {
                 $priceCandidate = self::getPrice($offer->id, 1, $channel->id);
 
                 if ($priceCandidate && (float) $priceCandidate->price_taxed > 0) {
                     $priceValue = $priceCandidate;
+                    $candidateOffer = $offer;
                     break;
                 }
             }
 
+            $offerId = $candidateOffer ? $candidateOffer->id : null;
+            $offerStock = $candidateOffer ? (int) $candidateOffer->stock_current : null;
+            $offerIsActive = $candidateOffer ? (int) $candidateOffer->status_id === 1 : false;
+            $offerTariffStatus = $candidateOffer && $candidateOffer->tariff ? (int) $candidateOffer->tariff->status_id : null;
+            $offerHasStock = $candidateOffer && $candidateOffer->stock_current !== null
+                ? (float) $candidateOffer->stock_current > 0
+                : null;
+
             return [
                 'id' => $channel->id,
                 'name' => $channel->name,
                 'code' => $channel->code,
                 'price_taxed' => $priceValue ? (float) $priceValue->price_taxed : null,
                 'quantity' => $priceValue ? (int) $priceValue->quantity : null,
+                'offer_id' => $offerId,
+                'offer_is_active' => $offerIsActive,
+                'offer_stock_current' => $offerStock,
+                'offer_has_stock' => $offerHasStock,
+                'tariff_status_id' => $offerTariffStatus,
             ];
         })->toArray();
     }