puning-real-estate/scripts/index.js

import fs from 'fs/promises';
import path from 'path';
import { main as getProject } from './getProject.js';
import { main as getPreSaleLicense } from './getPreSaleLicense.js';

// 检查数据文件是否存在
async function checkDataFileExists(dataPath) {
    try {
        await fs.access(dataPath);
        return true;
    } catch {
        return false;
    }
}

// 执行脚本函数并等待完成
async function runScript(scriptFunction, description, dataFilePath) {
    console.log(`开始执行: ${description}`);

    // 检查数据文件是否已存在
    const dataExists = await checkDataFileExists(dataFilePath);
    if (dataExists) {
        console.log(`📁 发现现有数据文件: ${path.basename(dataFilePath)}，跳过抓取脚本\n`);
        return true;
    }

    try {
        await scriptFunction();

        console.log(`✅ ${description} 执行完成\n`);
        return true;
    } catch (error) {
        console.error(`❌ ${description} 执行失败:`, error.message);
        return false;
    }
}

// 合并许可证数据到项目数据中
async function mergeLicenseData() {
    console.log('开始合并许可证数据...');

    try {
        // 读取项目数据
        const projectDataPath = path.join(process.cwd(), 'data', 'project.json');
        const projectData = JSON.parse(await fs.readFile(projectDataPath, 'utf-8'));

        // 读取许可证数据
        const licenseDataPath = path.join(process.cwd(), 'data', 'preSaleLicense.json');
        const licenseData = JSON.parse(await fs.readFile(licenseDataPath, 'utf-8'));

        // 创建许可证号到许可证数据的映射
        const licenseMap = new Map();
        licenseData.forEach(license => {
            if (license['许可证号']) {
                licenseMap.set(license['许可证号'], license);
            }
        });

        console.log(`找到 ${licenseMap.size} 个许可证记录`);

        // 为每个项目合并许可证详细信息
        let mergedCount = 0;
        projectData.forEach(project => {
            if (project['预售许可证'] && Array.isArray(project['预售许可证'])) {
                project['预售许可证'].forEach(license => {
                    const licenseNumber = license['许可证号'];
                    const fullLicenseData = licenseMap.get(licenseNumber);

                    if (fullLicenseData) {
                        // 将完整的许可证信息合并到现有许可证对象中
                        Object.assign(license, fullLicenseData);
                        mergedCount++;
                    } else {
                        console.warn(`⚠️ 未找到许可证详情: ${licenseNumber}`);
                        // 添加一个标记表示未找到详情
                        license['详情获取状态'] = '未找到';
                    }
                });
            }
        });

        console.log(`✅ 成功合并 ${mergedCount} 个许可证详情`);

        // 计算总套数
        console.log('开始计算套数...');
        projectData.forEach(project => {
            if (project['预售许可证'] && Array.isArray(project['预售许可证'])) {
                let approvedUnits = 0;
                let unsoldUnits = 0;

                project['预售许可证'].forEach(license => {
                    approvedUnits += parseInt(license['总套数'], 10) || 0;
                    unsoldUnits += parseInt(license['可售套数'], 10) || 0;
                });

                project['核准预售套数'] = approvedUnits;
                project['未售总套数'] = unsoldUnits;
                project['已售总套数'] = approvedUnits - unsoldUnits;
            }
        });
        console.log('✅ 套数计算完成');

        // 保存合并后的数据
        const outputPath = path.join(process.cwd(), 'data', 'merged_data.json');
        await fs.writeFile(outputPath, JSON.stringify(projectData, null, 4), 'utf-8');

        console.log(`📁 合并后的数据已保存至: ${outputPath}`);
        console.log(`📊 总项目数: ${projectData.length}`);

        return projectData;

    } catch (error) {
        console.error('❌ 数据合并失败:', error.message);
        throw error;
    }
}

// 主函数
async function main() {
    console.log('🚀 开始普宁房地产数据整合流程\n');

    try {
        // 步骤1: 获取项目数据
        const projectDataPath = path.join(process.cwd(), 'data', 'project.json');
        const projectSuccess = await runScript(getProject, '项目信息抓取脚本', projectDataPath);
        if (!projectSuccess) {
            throw new Error('项目信息抓取失败');
        }

        // 步骤2: 获取许可证数据
        const licenseDataPath = path.join(process.cwd(), 'data', 'preSaleLicense.json');
        const licenseSuccess = await runScript(getPreSaleLicense, '预售许可证抓取脚本', licenseDataPath);
        if (!licenseSuccess) {
            throw new Error('预售许可证抓取失败');
        }

        // 步骤3: 合并数据
        await mergeLicenseData();

        console.log('\n🎉 所有数据处理完成！');
        console.log('📁 输出文件: data/merged_data.json');

    } catch (error) {
        console.error('\n💥 处理过程中发生错误:', error.message);
        process.exit(1);
    }
}

// 运行主函数
main();