fdesk/app/inquiry/service/FbFileImportService.php

<?php

namespace app\inquiry\service;

use PhpOffice\PhpSpreadsheet\IOFactory;
use support\Db;
use app\inquiry\utils\FbLeadHeaderMapper;
use support\exception\BusinessException;
use support\Log;

class FbFileImportService
{
    /**
     * 导入指定目录下所有 .xlsx 文件
     */
    public function importDir(string $dir, int $channelId): int
    {
        if (!is_dir($dir)) {
            throw new BusinessException("目录不存在：{$dir}");
        }

        // 只扫描 .xlsx，之前处理过的 .xlsx.done 不会被匹配到
        $files = glob($dir . DIRECTORY_SEPARATOR . '*.xlsx');
        if (!$files) {
            return 0;
        }

        $count = 0;

        foreach ($files as $filePath) {
            if (!is_file($filePath)) {
                continue;
            }

            $doneFlag = $filePath . '.done';
            if (is_file($doneFlag)) {
                continue;
            }

            $rows = $this->importOneFile($filePath, $channelId);
            $count++;

            // 导入成功后，把文件重命名为 .xlsx.done，避免下次重复导入
            $newPath = $filePath . '.done';
            if (!@rename($filePath, $newPath)) {
                Log::warning("FbFileImportService: 文件导入成功，但重命名失败：{$filePath} -> {$newPath}");
            } else {
                Log::info("FbFileImportService: 文件导入并标记完成：{$newPath}（行数：{$rows}）");
            }
        }

        return $count;
    }

    /**
     * 导入单个 Excel 到 fb_leads
     */
    public function importOneFile(string $filePath, int $channelId): int
    {
        if (!is_file($filePath)) {
            throw new BusinessException("Excel 文件不存在：{$filePath}");
        }

        $spreadsheet = IOFactory::load($filePath);
        $sheet       = $spreadsheet->getActiveSheet();
        $rows        = $sheet->toArray(null, true, true, true);

        if (empty($rows)) {
            throw new BusinessException('Excel 内容为空：' . $filePath);
        }

        // 表头
        $headerRow = array_shift($rows);

        $mapper     = new FbLeadHeaderMapper();
        $res        = $mapper->buildColumnFieldMap($headerRow);
        $colToField = $res['colToField'];
        $unknownCols = $res['unknownCols'];

        $insertData = [];
        $now        = time();
        $sourceFile = basename($filePath);

        foreach ($rows as $row) {
            $item = [];

            foreach ($colToField as $colIndex => $field) {
                $raw = $row[$colIndex] ?? null;

                switch ($field) {
                    case 'is_organic':
                        $item['is_organic'] = $this->normalizeIsOrganic($raw);
                        break;
                    case 'fb_created_time':
                        // ✅ 方案B：写入 DATETIME 字符串
                        $item['fb_created_time'] = $this->normalizeCreatedTime($raw);
                        break;
                    default:
                        // 小增强：字符串统一 trim（避免 " xxx "）
                        if (is_string($raw)) {
                            $raw = trim($raw);
                        }
                        $item[$field] = $raw;
                        break;
                }
            }

            // 未知列收集到 extra_data（宽松模式）
            $extra = [];
            foreach ($unknownCols as $colIndex => $rawHeader) {
                $val = $row[$colIndex] ?? null;
                if ($val === null || $val === '') continue;
                $extra[$rawHeader] = is_string($val) ? trim($val) : $val;
            }
            $item['extra_data'] = $extra ? json_encode($extra, JSON_UNESCAPED_UNICODE) : null;

            $item['source_file'] = $sourceFile;
            $item['channel']     = $channelId;

            $item['created_at']  = $now;
            $item['updated_at']  = $now;
            $item['sync_status'] = 0;

            $insertData[] = $item;
        }

        if ($insertData) {
            Db::table('fb_leads')->insert($insertData);
        }

        return count($insertData);
    }

    /**
     * 规范化 is_organic 字段为 0/1
     */
    protected function normalizeIsOrganic($raw): int
    {
        if (is_bool($raw)) {
            return $raw ? 1 : 0;
        }
        $str = strtolower(trim((string)$raw));
        if ($str === '') {
            return 0;
        }
        return in_array($str, ['1', 'true', 'yes', 'organic'], true) ? 1 : 0;
    }

    /**
     * ✅ 方案B：把 FB 创建时间统一转成 MySQL DATETIME（Y-m-d H:i:s）
     *
     * 支持：
     * - "10/13/25" / "12/8/25"
     * - "2025-12-08 13:22:11"
     * - Excel 日期序列（数字）
     *
     * 解析失败：返回 null（让 DB 用默认值/允许为空）
     * 注意：如果你的 fb_created_time 列是 NOT NULL 且无默认值，请把 null 改成 '1970-01-01 00:00:00'
     */
    protected function normalizeCreatedTime($raw): ?string
    {
        if ($raw === null || $raw === '') {
            return null;
        }

        // Excel 日期序列：数字
        if (is_numeric($raw)) {
            $n = (float)$raw;
            // Excel serial date -> unix timestamp
            $ts = (int)round(($n - 25569) * 86400);
            if ($ts > 0) {
                return date('Y-m-d H:i:s', $ts);
            }
            return null;
        }

        $s = trim((string)$raw);
        if ($s === '') {
            return null;
        }

        // 1) strtotime 能解析很多格式
        $ts = strtotime($s);
        if ($ts !== false) {
            return date('Y-m-d H:i:s', $ts);
        }

        // 2) 兼容 m/d/yy（如 10/13/25）
        if (preg_match('#^(\d{1,2})/(\d{1,2})/(\d{2})$#', $s, $m)) {
            $mm = (int)$m[1];
            $dd = (int)$m[2];
            $yy = (int)$m[3];
            $year = 2000 + $yy; // FB 导出通常是 20xx
            $ts2 = mktime(0, 0, 0, $mm, $dd, $year);
            return date('Y-m-d H:i:s', $ts2);
        }

        // 3) 兜底：无法解析
        return null;
    }
}