metacoding/lib/services/backup.js

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"use strict";
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}) : (function(o, m, k, k2) {
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}));
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
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        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.BackupService = void 0;
const path = __importStar(require("path"));
const fs = __importStar(require("fs-extra"));
const crypto = __importStar(require("crypto"));
class BackupService {
    constructor() {
        this.backupBaseDir = '.backup';
    }
    async createBackup() {
        const timestamp = this.generateTimestamp();
        const backupPath = path.join(this.backupBaseDir, timestamp);
        const githubDir = '.github';
        await fs.ensureDir(backupPath);
        const filesBackedUp = [];
        if (await fs.pathExists(githubDir)) {
            await fs.copy(githubDir, path.join(backupPath, githubDir));
            const allFiles = await this.listAllFiles(githubDir);
            filesBackedUp.push(...allFiles);
        }
        return {
            backupPath,
            timestamp,
            filesBackedUp,
        };
    }
    generateTimestamp() {
        const now = new Date();
        return now
            .toISOString()
            .replace(/[-:]/g, '')
            .replace(/\..+/, '')
            .replace('T', '_');
    }
    async listAllFiles(dirPath) {
        const files = [];
        if (!(await fs.pathExists(dirPath))) {
            return files;
        }
        const items = await fs.readdir(dirPath);
        for (const item of items) {
            const itemPath = path.join(dirPath, item);
            const stat = await fs.stat(itemPath);
            if (stat.isDirectory()) {
                const subFiles = await this.listAllFiles(itemPath);
                files.push(...subFiles);
            }
            else {
                files.push(itemPath);
            }
        }
        return files;
    }
    async getFileHash(filePath) {
        if (!(await fs.pathExists(filePath))) {
            return null;
        }
        const content = await fs.readFile(filePath, 'utf8');
        return crypto.createHash('md5').update(content).digest('hex');
    }
    async hasFileChanged(filePath, originalContent) {
        if (!(await fs.pathExists(filePath))) {
            return true;
        }
        const currentContent = await fs.readFile(filePath, 'utf8');
        const currentHash = crypto
            .createHash('md5')
            .update(currentContent)
            .digest('hex');
        const originalHash = crypto
            .createHash('md5')
            .update(originalContent)
            .digest('hex');
        return currentHash !== originalHash;
    }
    async cleanupOldBackups() {
        if (!(await fs.pathExists(this.backupBaseDir))) {
            return;
        }
        const backupDirs = await fs.readdir(this.backupBaseDir);
        const sortedDirs = backupDirs
            .filter((dir) => /^\d{8}_\d{6}$/.test(dir))
            .sort()
            .reverse();
        const dirsToDelete = sortedDirs.slice(5);
        for (const dir of dirsToDelete) {
            const dirPath = path.join(this.backupBaseDir, dir);
            await fs.remove(dirPath);
        }
    }
}
exports.BackupService = BackupService;
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