hainan/app/Http/Controllers/Api/UserCategoryController.php

<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\UserCategory;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class UserCategoryController extends Controller
{
	# 我的频道列表
    public function index(): JsonResponse
	{
		return $this->success(UserCategory::where('user_id', $this->user_id)->value('categories') ?? []);
	}

	# 我的频道编辑
	public function update(Request $request): JsonResponse
	{
		$formData = $request->only(['channels']);
		$request->validate([
			'channels' => 'nullable|array',
		], [
			'channels.array' => 'channels必须是数组',
		]);

		$cats = array_unique(array_filter($formData['channels'] ?? []));
		UserCategory::updateOrCreate(['user_id' => $this->user_id], [
			'user_id' => $this->user_id,
			'categories' => $cats,
		]);

		return $this->success();
	}
}