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5a81385448
- CSS: 新增 --pi-font-scale 变量,全量 font-size 支持 calc 缩放 - JS: config.fontScale 影响分页计算,applyFontScale() 同步CSS变量 - HTML: 渲染预览区 Slider 控件(0.5x~2.0x),拖动即时预览,松手完整渲染 - 后端: PhoneImage.php 新增 fontScale 配置字段和校验 - 所有保存路径(autoSave/save/generate)包含 fontScale 持久化
286 lines
8.8 KiB
PHP
286 lines
8.8 KiB
PHP
<?php
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namespace app\common\tools;
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use app\model\Post;
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use app\model\PostOutput;
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use app\model\PostOutputFile;
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use think\facade\App;
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class PhoneImage implements PostOutputManagerInterface
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{
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/**
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* 返回配置字段定义
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*/
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public function getConfigFields(): array
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{
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return [
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'size' => ['type' => 'select', 'options' => ['xiaohongshu', 'douyin'], 'default' => 'xiaohongshu'],
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'fontSize' => ['type' => 'number', 'default' => 14, 'min' => 10, 'max' => 24],
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'watermark' => ['type' => 'text', 'default' => ''],
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'pageAlignments' => ['type' => 'json', 'default' => '{}'],
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'fontScale' => ['type' => 'number', 'default' => 1, 'min' => 0.5, 'max' => 2.0],
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];
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}
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/**
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* 验证配置合法性
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*/
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public function validateConfig(array $config): bool
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{
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$fields = $this->getConfigFields();
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if (isset($config['size']) && !in_array($config['size'], $fields['size']['options'])) {
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return false;
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}
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if (isset($config['fontSize'])) {
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$size = intval($config['fontSize']);
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if ($size < $fields['fontSize']['min'] || $size > $fields['fontSize']['max']) {
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return false;
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}
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}
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if (isset($config['fontScale'])) {
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$scale = floatval($config['fontScale']);
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if ($scale < 0.5 || $scale > 2.0) {
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return false;
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}
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}
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// watermark 是文本类型，无需特殊验证
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// pageAlignments 是 JSON 类型，存储时由框架自动序列化
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return true;
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}
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/**
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* 执行输出处理 - 服务端接收base64数据，保存文件，创建记录
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* 注意：HTML渲染在前端完成(html2canvas)，服务端只做文件保存和记录创建
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*/
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public function process(Post $post, array $config): array
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{
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return [];
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}
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/**
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* 返回预览HTML - 预览在前端完成，服务端返回空
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*/
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public function getPreview(Post $post, array $config): string
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{
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return '';
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}
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/**
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* 保存单页图片
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* @param int $outputId 输出记录ID
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* @param int $page 页码(从1开始)
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* @param string $imageData base64编码的图片数据
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* @return PostOutputFile|false
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*/
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public function savePageImage(int $outputId, int $page, string $imageData)
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{
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// 保留原始base64用于存储
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$rawBase64 = str_replace('data:image/jpeg;base64,', '', $imageData);
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$rawBase64 = str_replace('data:image/png;base64,', '', $rawBase64);
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$rawBase64 = str_replace(' ', '+', $rawBase64);
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$decoded = base64_decode($rawBase64);
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if ($decoded === false) {
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return false;
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}
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$imageInfo = @getimagesizefromstring($decoded);
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$width = is_array($imageInfo) ? $imageInfo[0] : 0;
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$height = is_array($imageInfo) ? $imageInfo[1] : 0;
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$fileRecord = PostOutputFile::create([
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'output_id' => $outputId,
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'page' => $page,
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'file_path' => '',
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'file_url' => '',
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'file_size' => strlen($decoded),
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'width' => $width,
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'height' => $height,
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'image_data' => $rawBase64,
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]);
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return $fileRecord;
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}
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/**
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* 保存长图
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* @param int $outputId 输出记录ID
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* @param string $imageData base64编码的长图数据
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* @return PostOutputFile|false
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*/
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public function saveLongImage(int $outputId, string $imageData)
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{
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$rawBase64 = str_replace('data:image/jpeg;base64,', '', $imageData);
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$rawBase64 = str_replace('data:image/png;base64,', '', $rawBase64);
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$rawBase64 = str_replace(' ', '+', $rawBase64);
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$decoded = base64_decode($rawBase64);
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if ($decoded === false) {
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return false;
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}
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$imageInfo = @getimagesizefromstring($decoded);
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$width = is_array($imageInfo) ? $imageInfo[0] : 0;
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$height = is_array($imageInfo) ? $imageInfo[1] : 0;
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// 先删除该output_id下已有的长图(page=0)
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PostOutputFile::where('output_id', $outputId)
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->where('page', 0)
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->delete();
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$fileRecord = PostOutputFile::create([
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'output_id' => $outputId,
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'page' => 0,
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'file_path' => '',
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'file_url' => '',
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'file_size' => strlen($decoded),
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'width' => $width,
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'height' => $height,
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'image_data' => $rawBase64,
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]);
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return $fileRecord;
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}
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/**
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* 打包某条输出记录的所有图片为ZIP
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* @param int $outputId
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* @return string ZIP文件路径
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* @throws \Exception
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*/
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public function createZip(int $outputId): string
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{
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$output = PostOutput::find($outputId);
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if (!$output) {
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throw new \Exception('输出记录不存在');
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}
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$files = PostOutputFile::where('output_id', $outputId)
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->order('page', 'asc')
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->select();
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if ($files->isEmpty()) {
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throw new \Exception('没有可下载的文件');
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}
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$tempDir = App::getRuntimePath() . 'temp';
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if (!is_dir($tempDir)) {
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mkdir($tempDir, 0777, true);
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}
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$zipFileName = 'post_output_' . $outputId . '.zip';
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$zipPath = $tempDir . '/' . $zipFileName;
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$tempFiles = [];
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try {
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$zip = new \ZipArchive();
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if ($zip->open($zipPath, \ZipArchive::CREATE | \ZipArchive::OVERWRITE) !== true) {
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throw new \Exception('无法创建ZIP文件');
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}
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foreach ($files as $file) {
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$pageName = str_pad((string) $file->page, 2, '0', STR_PAD_LEFT) . '.jpg';
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if (!empty($file->image_data)) {
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$decoded = base64_decode($file->image_data);
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if ($decoded !== false) {
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$tempFilePath = $tempDir . '/page_' . $file->page . '_' . $outputId . '.jpg';
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file_put_contents($tempFilePath, $decoded);
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$tempFiles[] = $tempFilePath;
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$zip->addFile($tempFilePath, $pageName);
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}
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} else {
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$filePath = App::getRootPath() . '/public' . $file->file_path;
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if (file_exists($filePath)) {
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$zip->addFile($filePath, $pageName);
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}
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}
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}
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$zip->close();
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} finally {
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foreach ($tempFiles as $tempFile) {
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if (file_exists($tempFile)) {
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@unlink($tempFile);
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}
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}
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}
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return $zipPath;
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}
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/**
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* 删除输出记录及所有关联文件
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* @param int $outputId
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* @return bool
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*/
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public function deleteOutput(int $outputId): bool
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{
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$files = PostOutputFile::where('output_id', $outputId)->select();
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foreach ($files as $file) {
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$filePath = App::getRootPath() . '/public' . $file->file_path;
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if (file_exists($filePath)) {
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@unlink($filePath);
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}
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}
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PostOutputFile::where('output_id', $outputId)->delete();
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PostOutput::destroy($outputId);
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return true;
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}
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/**
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* 创建输出记录
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* @param int $postId 文章ID
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* @param array $config 配置
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* @param int $adminId 管理员ID
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* @return PostOutput
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*/
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public function createOutput(int $postId, array $config, int $adminId): PostOutput
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{
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return PostOutput::create([
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'post_id' => $postId,
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'output_type' => 'phone_image',
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'config' => $config,
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'status' => PostOutput::STATUS_PROCESSING,
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'page_count' => 0,
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'admin_id' => $adminId,
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]);
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}
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/**
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* 完成输出记录 - 更新状态和页数
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*/
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public function completeOutput(int $outputId, int $pageCount): bool
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{
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return PostOutput::where('id', $outputId)->update([
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'status' => PostOutput::STATUS_COMPLETED,
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'page_count' => $pageCount,
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]) > 0;
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}
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/**
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* 仅保存配置（不生成图片），创建新的历史记录
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* @param int $postId 文章ID
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* @param array $config 配置(含 size/fontSize/watermark/pageAlignments/content_html)
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* @param int $adminId 管理员ID
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* @return PostOutput
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*/
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public static function saveConfigOnly(int $postId, array $config, int $adminId): PostOutput
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{
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return PostOutput::create([
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'post_id' => $postId,
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'output_type' => 'phone_image',
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'config' => $config,
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'status' => PostOutput::STATUS_PROCESSING,
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'page_count' => 0,
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'admin_id' => $adminId,
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]);
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}
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}
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