243 lines
7.8 KiB
PHP
243 lines
7.8 KiB
PHP
<?php
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namespace App\Models;
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use App\Exceptions\ApiException;
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use App\Module\Base;
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use App\Tasks\PushTask;
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use Hhxsv5\LaravelS\Swoole\Task\Task;
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use Illuminate\Database\Eloquent\SoftDeletes;
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use Request;
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/**
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* App\Models\File
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*
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* @property int $id
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* @property int|null $pid 上级ID
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* @property int|null $cid 复制ID
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* @property string|null $name 名称
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* @property string|null $type 类型
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* @property string|null $ext 后缀名
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* @property int|null $size 大小(B)
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* @property int|null $userid 拥有者ID
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* @property int|null $share 是否共享
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* @property int|null $created_id 创建者
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* @property \Illuminate\Support\Carbon|null $created_at
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* @property \Illuminate\Support\Carbon|null $updated_at
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* @property \Illuminate\Support\Carbon|null $deleted_at
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* @method static \Illuminate\Database\Eloquent\Builder|File newModelQuery()
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* @method static \Illuminate\Database\Eloquent\Builder|File newQuery()
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* @method static \Illuminate\Database\Query\Builder|File onlyTrashed()
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* @method static \Illuminate\Database\Eloquent\Builder|File query()
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* @method static \Illuminate\Database\Eloquent\Builder|File whereCid($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereCreatedAt($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereCreatedId($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereDeletedAt($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereExt($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereId($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereName($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File wherePid($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereShare($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereSize($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereType($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereUpdatedAt($value)
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* @method static \Illuminate\Database\Eloquent\Builder|File whereUserid($value)
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* @method static \Illuminate\Database\Query\Builder|File withTrashed()
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* @method static \Illuminate\Database\Query\Builder|File withoutTrashed()
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* @mixin \Eloquent
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*/
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class File extends AbstractModel
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{
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use SoftDeletes;
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/**
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* 是否有访问权限
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* @param $userid
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* @return int -1:没有权限，0:访问权限，1:读写权限，1000:所有者或创建者
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*/
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public function getPermission($userid)
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{
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if ($userid == $this->userid || $userid == $this->created_id) {
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// ① 自己的文件夹 或 自己创建的文件夹
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return 1000;
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}
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$row = $this->getShareInfo();
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if ($row) {
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$fileUser = FileUser::whereFileId($row->id)->where(function ($query) use ($userid) {
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$query->where('userid', 0);
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$query->orWhere('userid', $userid);
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})->orderByDesc('permission')->first();
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if ($fileUser) {
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// ② 在指定共享成员内
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return $fileUser->permission;
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}
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}
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return -1;
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}
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/**
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* 获取共享数据（含自身）
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* @return $this|null
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*/
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public function getShareInfo()
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{
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if ($this->share) {
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return $this;
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}
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$pid = $this->pid;
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while ($pid > 0) {
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$row = self::whereId($pid)->first();
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if (empty($row)) {
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break;
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}
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if ($row->share) {
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return $row;
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}
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$pid = $row->pid;
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}
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return null;
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}
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/**
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* 是否处于共享文件夹内（不含自身）
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* @return bool
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*/
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public function isNnShare()
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{
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$pid = $this->pid;
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while ($pid > 0) {
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$row = self::whereId($pid)->first();
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if (empty($row)) {
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break;
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}
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if ($row->share) {
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return true;
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}
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$pid = $row->pid;
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}
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return false;
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}
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/**
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* 设置/关闭 共享（同时遍历取消里面的共享）
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* @param $share
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* @return bool
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*/
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public function setShare($share = null)
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{
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if ($share === null) {
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$share = FileUser::whereFileId($this->id)->count() == 0 ? 0 : 1;
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}
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if ($this->share != $share) {
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AbstractModel::transaction(function () use ($share) {
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$this->share = $share;
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$this->save();
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$list = self::wherePid($this->id)->get();
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if ($list->isNotEmpty()) {
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foreach ($list as $item) {
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$item->setShare(0);
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}
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}
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});
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}
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return true;
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}
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/**
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* 遍历删除文件(夹)
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* @return bool
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*/
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public function deleteFile()
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{
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AbstractModel::transaction(function () {
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$this->delete();
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$this->pushMsg('delete');
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FileLink::whereFileId($this->id)->delete();
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FileUser::whereFileId($this->id)->delete();
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FileContent::whereFid($this->id)->delete();
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$list = self::wherePid($this->id)->get();
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if ($list->isNotEmpty()) {
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foreach ($list as $file) {
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$file->deleteFile();
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}
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}
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});
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return true;
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}
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/**
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* 推送消息
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* @param $action
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* @param File|null $data 发送内容，默认为[id]
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* @param array $userid 指定会员，默认为可查看文件的人
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*/
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public function pushMsg($action, $data = null, $userid = null)
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{
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if ($data === null) {
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$data = [
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'id' => $this->id
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];
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}
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//
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if ($userid === null) {
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$userid = [$this->userid];
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if ($this->share == 1) {
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$builder = WebSocket::select(['userid']);
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if ($action == 'content') {
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$builder->wherePath('file/content/' . $this->id);
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}
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$userid = array_merge($userid, $builder->pluck('userid')->toArray());
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} elseif ($this->share == 2) {
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$userid = array_merge($userid, FileUser::whereFileId($this->id)->pluck('userid')->toArray());
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}
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$userid = array_values(array_filter(array_unique($userid)));
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}
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if (empty($userid)) {
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return;
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}
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//
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$msg = [
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'type' => 'file',
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'action' => $action,
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'data' => $data,
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];
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if ($action == 'content') {
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$msg['nickname'] = User::nickname();
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$msg['time'] = time();
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}
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$params = [
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'ignoreFd' => Request::header('fd'),
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'userid' => $userid,
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'msg' => $msg
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];
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$task = new PushTask($params, false);
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Task::deliver($task);
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}
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/**
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* 获取文件并检测权限
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* @param $id
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* @param int $limit 要求权限: 0-访问权限、1-读写权限、1000-所有者或创建者
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* @param $permission
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* @return File
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*/
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public static function permissionFind($id, $limit = 0, &$permission = -1)
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{
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$file = File::find($id);
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if (empty($file)) {
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throw new ApiException('文件不存在或已被删除');
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}
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//
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$permission = $file->getPermission(User::userid());
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if ($permission < $limit) {
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$msg = match ($limit) {
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1000 => '仅限所有者或创建者操作',
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1 => '没有读写权限',
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default => '没有访问权限',
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};
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throw new ApiException($msg);
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}
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return $file;
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}
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}
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