create channel service to update channel variant

src/Domains/Inventory/Channels/Services/ChannelService.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Kanvas\Inventory\Channels\Services;
+
+use Kanvas\Inventory\Channels\Repositories\ChannelRepository;
+use Kanvas\Inventory\Variants\DataTransferObject\VariantChannel;
+use Kanvas\Inventory\Variants\Models\Variants;
+use Kanvas\Inventory\Variants\Services\VariantService;
+use Kanvas\Inventory\Warehouses\Repositories\WarehouseRepository;
+
+class ChannelService
+{
+    /**
+     * Update data of variant in a variant channel.
+     */
+    public static function updateChannelVariant(Variants $variant, array $variantsChannels): Variants
+    {
+        $variant->variantChannels()->forcedelete();
+        foreach ($variantsChannels as $variantChannel) {
+            $warehouse = WarehouseRepository::getById((int) $variantChannel['warehouses_id']);
+            $channel = ChannelRepository::getById((int) $variantChannel['channels_id'],$variant->product->company()->get()->first());
+            $variantChannelDto = VariantChannel::from($variantChannel);
+
+            VariantService::addVariantChannel(
+                $variant,
+                $warehouse,
+                $channel,
+                $variantChannelDto
+            );
+        }
+
+        return $variant;
+    }
+
+}