mes-sdai-server-api/application/job/ImageJob.php

<?php
namespace app\job;
use think\Db;
use think\queue\Job;
use think\Queue;
class ImageJob{
    protected $config = [
        'gpt' => [
            'api_key' => 'sk-Bhos1lXTRpZiAAmN06624a219a874eCd91Dc068b902a3e73',
            'api_url' => 'https://one.opengptgod.com/v1/chat/completions'
        ],
        'dalle' => [
            'api_key' => 'sk-e0JuPjMntkbgi1BoMjrqyyzMKzAxILkQzyGMSy3xiMupuoWY',
            'api_url' => 'https://niubi.zeabur.app/v1/images/generations'
        ]
    ];

    /**
     * 图生文
     */
    public function fire(Job $job, $data)
    {
        // echo "<pre>";
        // print_r($data);
        // echo "<pre>";die;

        $logId = $data['log_id'] ?? null;

        try {
            echo date('Y-m-d H:i:s')."图生文开始\n";

            if ($logId) {
                Db::name('image_task_log')->where('id', $logId)->update([
                    'status' => 1,
                    'log' => '图生文处理中',
                    'update_time' => date('Y-m-d H:i:s')
                ]);
            }

            $result = $this->processImage($data);
            echo $result;

            if ($logId) {
                Db::name('image_task_log')->where('id', $logId)->update([
                    'status' => 2,
                    'log' => '图生文处理成功',
                    'update_time' => date('Y-m-d H:i:s')
                ]);
            }

            echo date('Y-m-d H:i:s')."图生文结束\n";
            $job->delete();
        } catch (\Exception $e) {
            //异常处理，记录失败日志
            echo "错误信息: " . $e->getMessage() . "\n";
            echo "文件: " . $e->getFile() . "\n";
            echo "行号: " . $e->getLine() . "\n";

            if ($logId) {
                Db::name('image_task_log')->where('id', $logId)->update([
                    'status' => -1,
                    'log' => '图生文失败：' . $e->getMessage(),
                    'update_time' => date('Y-m-d H:i:s')
                ]);
            }
            $job->delete();
        }
    }

    /**
     * 任务失败时的处理
     */
    public function failed($data)
    {
        // 记录失败日志或发送通知
        echo "ImageJob failed: " . json_encode($data);
    }

    /**
     * 处理图片的具体逻辑
     */
    public function processImage($data)
    {
        // 根据传入的数据处理图片
        $res = $this->imageToText($data["sourceDir"],$data["file_name"],$data["prompt"],$data);
        echo $res;
    }


    /**
     * 图生文接口
     */
    public function imageToText($sourceDirRaw, $fileName, $prompt, $call_data)
    {
        // 自动拆分文件名
        if (!$fileName && preg_match('/([^\/]+\.(jpg|jpeg|png))$/i', $sourceDirRaw, $matches)) {
            $fileName = $matches[1];
            $sourceDirRaw = preg_replace('/\/' . preg_quote($fileName, '/') . '$/', '', $sourceDirRaw);
        }

        // 参数校验
        if ($sourceDirRaw === '' || $fileName === '') {
            return '参数错误：原图路径 或 图片名称 不能为空';
        }

        // 构建路径
        $rootPath = str_replace('\\', '/', ROOT_PATH);
        $sourceDir = rtrim($rootPath . 'public/' . $sourceDirRaw, '/') . '/';
        $filePath = $sourceDir . $fileName;
        $relativePath = $sourceDirRaw . '/' . $fileName;

        // 文件检查
        if (!is_dir($sourceDir)) {
            return '源目录不存在：' . $sourceDir;
        }
        if (!is_file($filePath)) {
            return '文件不存在：' . $filePath;
        }

        // 获取图片信息
        $ext = strtolower(pathinfo($filePath, PATHINFO_EXTENSION));
        $mime = ($ext === 'jpg' || $ext === 'jpeg') ? 'jpeg' : $ext;

        list($width, $height) = getimagesize($filePath);
        $imageData = base64_encode(file_get_contents($filePath));
        if (!$imageData || strlen($imageData) < 1000) {
            throw new \Exception('图片内容读取失败');
        }
        $imageUrl = "data:image/{$mime};base64,{$imageData}";

        // 记录提示词日志
        $logDir = $rootPath . 'runtime/logs/';
        if (!is_dir($logDir)) mkdir($logDir, 0755, true);

        // 调用图生文
        $gptRes = $this->callGptApi($imageUrl, $prompt);
        $gptText = trim($gptRes['choices'][0]['message']['content'] ?? '');


        // 提取英文描述
        $patternEnglish = '/^([\s\S]+?)---json json---/';
        preg_match($patternEnglish, $gptText, $matchEn);
        $englishDesc = isset($matchEn[1]) ? trim($matchEn[1]) : '';

        // 提取中文描述
        $patternChinese = '/---json json---\s*([\x{4e00}-\x{9fa5}][\s\S]+?)---json json---/u';
        preg_match($patternChinese, $gptText, $matchZh);
        $chineseDesc = isset($matchZh[1]) ? trim($matchZh[1]) : '';

        // 提取图片名（可能是中文短句，也可能是关键词）
        $patternName = '/---json json---\s*(.+)$/s';
        preg_match($patternName, $gptText, $matchName);
        $rawName = isset($matchName[1]) ? trim($matchName[1]) : '';
        $img_name = preg_replace('/[^\x{4e00}-\x{9fa5}A-Za-z0-9_\- ]/u', '', $rawName);

        // 验证 GPT 返回格式
        if (strpos($gptText, '---json json---') === false) {
            return  'GPT 返回格式不正确，缺少分隔符';
        }

        // 以 ---json json--- 分割
        $parts = array_map('trim', explode('---json json---', $gptText));

        // 清理“第一段”、“第二段”等标签前缀
        $cleanPrefix = function ($text) {
            return preg_replace('/^第[一二三四五六七八九十]+段[:：]?\s*/u', '', $text);
        };
        // 防止越界，逐个安全提取
        $englishDesc = isset($parts[0]) ? $cleanPrefix(trim($parts[0])) : '';
        $chineseDesc = isset($parts[1]) ? $cleanPrefix(trim($parts[1])) : '';
        $part2 = isset($parts[2]) ? $cleanPrefix(trim($parts[2])) : '';

        // 只保留中英文、数字、下划线、短横线、空格
        $img_name = preg_replace('/[^\x{4e00}-\x{9fa5}A-Za-z0-9_\- ]/u', '', $part2);

        // 成功后的图生文提示词日志
        // file_put_contents(
        //     $logDir . 'img_name_success.txt',
        //     "\n======== " . date('Y-m-d H:i:s') . " ========\n" .
        //     $englishDesc . "\n---json json---\n" .
        //     $chineseDesc . "\n---json json---\n" .
        //     $img_name . "\n\n",
        //     FILE_APPEND
        // );

        // 成功写入数据库
        $this->logToDatabase([
            'img_name' => $img_name,
            'old_image_url' => $relativePath,
            'chinese_description' => $chineseDesc,
            'english_description' => $englishDesc,
            'size' => "",
            'status' => 0
        ]);
        return ;
    }


    /**
     * 文生文接口
     */
    public function textToTxt($prompt,$id)
    {

        // 查询数据库记录
        $record = Db::name('text_to_image')
            ->field('id,english_description')
            ->where('id',$id)
            ->order('id desc')
            ->find();

        if (!$record) {
            return '没有找到匹配的图像记录';
        }

        // 调用文生文
        $gptRes = $this->TxtGptApi($prompt.$record['english_description']);
        $gptText = trim($gptRes['choices'][0]['message']['content'] ?? '');


        // 更新数据库记录
        Db::name('text_to_image')->where('id', $record['id'])->update([
            'english_description' => $gptText
        ]);
        return 0;
    }

    public function logToDatabase($data)
    {
        $record = [
            'old_image_url' => $data['old_image_url'] ?? '',
            'new_image_url' => $data['new_image_url'] ?? '',
            'custom_image_url' => $data['custom_image_url'] ?? '',
            'img_name' => $data['img_name'],
            'model' => '',
            'size' => isset($data['image_width'], $data['image_height']) ? $data['image_width'] . 'x' . $data['image_height'] : '',
            'chinese_description' => $data['chinese_description'] ?? '',
            'english_description' => $data['english_description'] ?? '',
            'status' => $data['status'] ?? 0,
            'error_msg' => $data['error_msg'] ?? '',
            'created_time' => date('Y-m-d H:i:s'),
            'updated_time' => date('Y-m-d H:i:s')
        ];

        if (isset($data['id'])) {
            Db::name('text_to_image')->where('id', $data['id'])->update($record);
        } else {
            Db::name('text_to_image')->insert($record);
        }
    }

    /**
     * 图升文模型
     */
    public function callGptApi($imageUrl, $prompt)
    {
        $data = [
            "model" => "gpt-4-vision-preview",
            "messages" => [[
                "role" => "user",
                "content" => [
                    ["type" => "text", "text" => $prompt],
                    ["type" => "image_url", "image_url" => [
                        "url" => $imageUrl,
                        "detail" => "auto" // ✅ 显式添加 detail 字段，兼容 vision API
                    ]]
                ]
            ]],
            "max_tokens" => 1000
        ];

        return $this->callApi($this->config['gpt']['api_url'], $this->config['gpt']['api_key'], $data);
    }

    /**
     * 文升文模型
     */
    public function TxtGptApi($prompt)
    {
        $data = [
            'prompt' => $prompt,
            'model' => 'gpt-4',
            'session_id' => null,
            'context_reset' => true
        ];

        return $this->callApi($this->config['gpt']['api_url'],$this->config['gpt']['api_key'],$data);
    }

    /**
     * 通用API调用方法
     */
    public function callApi($url, $apiKey, $data)
    {
        $maxRetries = 2;
        $attempt = 0;
        $lastError = '';

        while ($attempt <= $maxRetries) {
            $ch = curl_init();
            curl_setopt_array($ch, [
                CURLOPT_URL => $url,
                CURLOPT_RETURNTRANSFER => true,
                CURLOPT_POST => true,
                CURLOPT_POSTFIELDS => json_encode($data),
                CURLOPT_HTTPHEADER => [
                    'Content-Type: application/json',
                    'Authorization: Bearer ' . $apiKey
                ],
                CURLOPT_TIMEOUT => 120,
                CURLOPT_SSL_VERIFYPEER => false,
                CURLOPT_SSL_VERIFYHOST => 0,
                CURLOPT_TCP_KEEPALIVE => 1,
                CURLOPT_FORBID_REUSE => false
            ]);

            $response = curl_exec($ch);
            $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
            $curlError = curl_error($ch);
            curl_close($ch);

            if ($response !== false && $httpCode === 200) {
                $result = json_decode($response, true);
                return $result;
            }

            $lastError = $curlError ?: "HTTP错误：{$httpCode}";
            $attempt++;
            sleep(1);
        }

        throw new \Exception("请求失败（重试{$maxRetries}次）：{$lastError}");
    }

}