Wisp X
48 lines
1.4 KiB
PHP
48 lines
1.4 KiB
PHP
<?php
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namespace App\Services;
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use App\Models\Image;
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use App\Models\User;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Support\Facades\DB;
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class UserService
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{
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/**
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* 删除图片以及物理文件，返回已删除数量
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* 考虑到删除磁盘文件、服务器内部请求第三方删除接口比较消耗资源，传入的主键不应过多
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* TODO 改进循环中更新数据
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*
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* @param array $keys
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* @param User|null $user 传入用户数据则会根据用户id过滤
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* @return int
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*/
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public function deleteImages(array $keys, ?User $user = null): int
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{
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$count = 0;
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$model = Image::with('user', 'strategy', 'album')->when(! is_null($user), function (Builder $builder) use ($user) {
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$builder->where('user_id', $user->id);
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})->whereIn('id', $keys);
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DB::transaction(function () use ($model, $keys, &$count) {
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/** @var Image $image */
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foreach ($model->cursor() as $image) {
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// 相册图片数量更新
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$image->album?->decrement('image_num');
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// 更新相册图片数量
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$image->delete();
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// 更新数量
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if ($image->user) {
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$image->user->image_num = $image->user->images()->count();
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$image->user->save();
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}
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$count++;
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}
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});
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return $count;
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}
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}
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