136 lines
3.8 KiB
PHP
136 lines
3.8 KiB
PHP
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<?php
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namespace App\Service;
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use App\BaseApp\BaseService;
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use App\Models\FileFolderModel;
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use App\Models\FileModel;
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use Exception;
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use Psr\Container\ContainerExceptionInterface;
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use Psr\Container\NotFoundExceptionInterface;
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/**
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* 素材文件夹
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*
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* 纯逻辑目录：只改 nl_file.folder_id，不碰对象在 OSS 上的实际路径。
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*/
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class FileFolderService extends BaseService
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{
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public function __construct()
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{
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parent::__construct();
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$this->model = FileFolderModel::class;
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$this->selectField = ['id', 'pid', 'name', 'sort', 'status', 'created_at', 'updated_at'];
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$this->queryField = ['name' => 'like', 'pid' => '=', 'status' => '='];
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$this->orderBy = ['name' => 'sort', 'sort' => 'asc'];
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}
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/**
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* 列表，带每个文件夹下的素材数
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*
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* @throws ContainerExceptionInterface
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* @throws NotFoundExceptionInterface
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*/
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public function list(): array
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{
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$result = $this->getPageList();
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$ids = array_column($result['items'], 'id');
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$counts = empty($ids)
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? []
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: FileModel::whereIn('folder_id', $ids)
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->where('deleted_at', 0)
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->selectRaw('folder_id, COUNT(*) as total')
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->groupBy('folder_id')
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->pluck('total', 'folder_id')
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->all();
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foreach ($result['items'] as &$item) {
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$item['file_count'] = (int) ($counts[$item['id']] ?? 0);
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}
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unset($item);
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return $result;
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}
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/**
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* 目录树，素材库左侧栏直接用它渲染
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*/
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public function option(): array
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{
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$rows = FileFolderModel::where('deleted_at', 0)
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->orderBy('sort')
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->orderBy('id')
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->get(['id', 'pid', 'name', 'sort'])
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->toArray();
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return $this->utils->tree($rows);
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}
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/**
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* @throws Exception
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*/
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public function detail($id): mixed
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{
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return $this->getDetail($id);
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}
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/**
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* @throws Exception
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*/
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public function create($params): mixed
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{
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$params['pid'] = $this->assertParent((int) ($params['pid'] ?? 0));
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return $this->insert($params);
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}
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/**
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* @throws Exception
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*/
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public function update($id, $params): mixed
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{
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if (array_key_exists('pid', $params)) {
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$pid = (int) $params['pid'];
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if ($pid === (int) $id) {
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$this->utils->errorThrow('上级文件夹不能是自己');
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}
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$params['pid'] = $this->assertParent($pid);
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}
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return $this->save($id, $params);
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}
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/**
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* 删除文件夹：有子目录或仍有素材时拒绝
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*
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* 直接删会让里面的素材挂在一个查不到的 folder_id 上，
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* 按文件夹筛选时那批文件就再也点不出来 —— 文件还在，人找不到。
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*
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* @throws Exception
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*/
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public function delete($id): mixed
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{
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$ids = array_values(array_filter(array_map('intval', is_array($id) ? $id : [$id])));
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if (empty($ids)) {
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$this->utils->errorThrow('参数错误');
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}
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if (FileFolderModel::whereIn('pid', $ids)->where('deleted_at', 0)->exists()) {
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$this->utils->errorThrow('存在子文件夹，请先删除子文件夹');
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}
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if (FileModel::whereIn('folder_id', $ids)->where('deleted_at', 0)->exists()) {
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$this->utils->errorThrow('该文件夹下仍有素材，请先移动素材');
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}
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return $this->del($ids);
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}
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/**
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* @throws Exception
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*/
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private function assertParent(int $pid): int
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{
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if ($pid <= 0) {
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return 0;
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}
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if (!FileFolderModel::where('id', $pid)->where('deleted_at', 0)->exists()) {
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$this->utils->notFound('上级文件夹不存在');
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}
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return $pid;
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}
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}
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