limeng
9a25db91cc
保留各家工作表报价原文、公式、独立执行日期及签署原件；审核后按执行日期管理版本。33项测试、336项断言通过。生产业务迁移已获明确授权，服务器私有备份已完成并逐条校验。
60 lines
2.8 KiB
PHP
60 lines
2.8 KiB
PHP
<?php
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namespace App\Support;
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use Illuminate\Support\Facades\Storage;
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use Illuminate\Validation\ValidationException;
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use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
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use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
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final class CourierStockQuoteImageArchive
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{
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/** 原样复制工作表内嵌图片，不使用屏幕截图、裁剪结果或重新编码的图片冒充原件。 */
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public function store(Worksheet $sheet, string $workbookPath, string $directory, array &$savedPaths): array
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{
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$files = $warnings = [];
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$prefix = 'zip://' . realpath($workbookPath) . '#';
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foreach ($sheet->getDrawingCollection() as $index => $drawing) {
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if (! $drawing instanceof Drawing || ! str_starts_with($drawing->getPath(), $prefix)) {
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$warnings[] = '图片 ' . ($index + 1) . ' 无法无损提取，请另附原图；整本 Excel 已保留。';
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continue;
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}
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$stream = @fopen($drawing->getPath(), 'rb');
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if ($stream === false) {
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$this->failed($sheet);
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}
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try {
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$bytes = stream_get_contents($stream, 20 * 1024 * 1024 + 1);
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} finally {
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fclose($stream);
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}
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if ($bytes === false || $bytes === '' || strlen($bytes) > 20 * 1024 * 1024) {
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$this->failed($sheet);
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}
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$mime = (new \finfo(FILEINFO_MIME_TYPE))->buffer($bytes);
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$extension = strtolower(pathinfo($drawing->getPath(), PATHINFO_EXTENSION));
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// 不支持浏览器预览的原始格式仍按原字节留存，只提供下载。
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$extension = preg_match('/^[a-z0-9]{1,8}$/', $extension) ? $extension : 'bin';
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$name = $sheet->getTitle() . '-原件图片-' . ($index + 1) . '.' . $extension;
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$path = $directory . '/' . ($index + 1) . '.' . $extension;
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$savedPaths[] = $path;
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if (! Storage::disk('uploads')->put($path, $bytes, 'private')) {
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$this->failed($sheet);
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}
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$files[] = [
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'kind' => 'signed', 'path' => $path, 'name' => $name, 'sha256' => hash('sha256', $bytes),
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'mime_type' => $mime, 'size' => strlen($bytes), 'sheet_name' => $sheet->getTitle(),
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'anchor' => $drawing->getCoordinates(), 'image_index' => $index + 1,
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'source' => 'workbook_embedded', 'archived_at' => now()->toIso8601String(),
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];
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}
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return ['signed_images' => $files, 'image_warnings' => array_values(array_unique($warnings))];
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}
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private function failed(Worksheet $sheet): never
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{
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throw ValidationException::withMessages(['source_quote' => '工作表「' . $sheet->getTitle() . '」原件图片提取或存档失败（每张最多 20 MB），本次上传未完成，请重试。']);
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}
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}
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