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import { globbyStream } from 'globby';
import path from 'path';
import { Transform } from 'stream';
import { pipeline } from 'stream/promises';
import logger from '../services/LoggingService.js';
import appConfig from '../config/config.js';
import ErrorHandler from '../errors/ErrorHandler.js';
import { ConfigurationError } from '../errors/ErrorTypes.js';
import FileOperations from '../utils/FileOperations.js';
import PathNormalizer from '../utils/PathNormalizer.js';
/**
* Scan Command Handler
* Handles the optimized arela scan command with streaming support
*/
export class ScanCommand {
constructor() {
this.errorHandler = new ErrorHandler(logger);
this.scanApiService = null; // Will be initialized in execute
}
/**
* Execute the scan command
* @param {Object} options - Command options
* @param {boolean} options.countFirst - Count files first for percentage-based progress
*/
async execute(options = {}) {
const startTime = Date.now();
try {
// Validate scan configuration
appConfig.validateScanConfig();
// Import ScanApiService dynamically
const { default: ScanApiService } = await import(
'../services/ScanApiService.js'
);
this.scanApiService = new ScanApiService();
const scanConfig = appConfig.getScanConfig();
// Ensure basePath is absolute for scan operations
const basePath = PathNormalizer.toAbsolutePath(appConfig.getBasePath());
logger.info('š Starting arela scan command');
logger.info(`š¦ Company: ${scanConfig.companySlug}`);
logger.info(`š„ļø Server: ${scanConfig.serverId}`);
logger.info(`š Base Path: ${basePath}`);
logger.info(`š Directory Level: ${scanConfig.directoryLevel}`);
// Step 1: Discover directories at specified level
logger.info('\nš Discovering directories...');
const directories = await this.#discoverDirectories(
basePath,
scanConfig.directoryLevel,
);
logger.info(
`š Found ${directories.length} director${directories.length === 1 ? 'y' : 'ies'} to scan`,
);
// Step 2: Register instances for each directory
logger.info('\nš Registering scan instances...');
const registrations = [];
for (const dir of directories) {
// dir.path is already absolute from #discoverDirectories
// Use the absolute path as basePathLabel (simplifies everything!)
const absolutePath = dir.path;
const registration = await this.scanApiService.registerInstance({
companySlug: scanConfig.companySlug,
serverId: scanConfig.serverId,
basePathFull: absolutePath,
});
registrations.push({ ...registration, directory: dir });
Iif (registration.existed) {
logger.info(` ā ${dir.label || 'root'}: ${registration.tableName}`);
} else {
logger.success(
` ā ${dir.label || 'root'}: ${registration.tableName} (new)`,
);
}
}
// Optional: Count files first for percentage-based progress
let totalFiles = null;
if (options.countFirst) {
logger.info('\nš¢ Counting files...');
totalFiles = await this.#countFiles(basePath, scanConfig);
logger.info(`š Found ${totalFiles.toLocaleString()} files to scan`);
}
// Step 3: Stream files and upload stats for each directory
logger.info('\nš Starting file scan...');
let totalStats = {
filesScanned: 0,
filesInserted: 0,
filesSkipped: 0,
totalSize: 0,
};
for (const reg of registrations) {
logger.info(`\nš Scanning: ${reg.directory.label || 'root'}`);
const stats = await this.#streamScanDirectory(
reg.directory.path,
scanConfig,
reg.tableName,
null, // Don't use percentage for individual directories
);
// Step 4: Complete scan for this directory
await this.scanApiService.completeScan({
tableName: reg.tableName,
totalFiles: stats.filesScanned,
totalSizeBytes: stats.totalSize,
});
totalStats.filesScanned += stats.filesScanned;
totalStats.filesInserted += stats.filesInserted;
totalStats.filesSkipped += stats.filesSkipped;
totalStats.totalSize += stats.totalSize;
}
const duration = ((Date.now() - startTime) / 1000).toFixed(2);
const filesPerSec = (totalStats.filesScanned / duration).toFixed(2);
logger.success('\nā
Scan completed successfully!');
logger.info(`\nš Scan Statistics:`);
logger.info(` Directories scanned: ${registrations.length}`);
logger.info(
` Files scanned: ${totalStats.filesScanned.toLocaleString()}`,
);
logger.info(
` Files inserted: ${totalStats.filesInserted.toLocaleString()}`,
);
logger.info(
` Files skipped: ${totalStats.filesSkipped.toLocaleString()} (excluded patterns)`,
);
logger.info(` Total size: ${this.#formatBytes(totalStats.totalSize)}`);
logger.info(` Duration: ${duration}s`);
logger.info(` Throughput: ${filesPerSec} files/sec`);
logger.info(`\nš Tables created:`);
for (const reg of registrations) {
logger.info(` - ${reg.tableName}`);
}
return {
success: true,
tables: registrations.map((r) => r.tableName),
stats: totalStats,
};
} catch (error) {
this.errorHandler.handleError(error, 'scan');
return {
success: false,
error: error.message,
stats: {
filesScanned: 0,
filesInserted: 0,
filesSkipped: 0,
totalSize: 0,
},
};
}
}
/**
* Discover directories at specified level
* @private
*/
async #discoverDirectories(basePath, level) {
// Get sources, defaults to ['.'] if not configured
const sources = appConfig.getUploadSources();
const isDefaultSource = sources.length === 1 && sources[0] === '.';
if (level === 0) {
// Level 0: Create one entry per source
return sources.map((source) => {
const sourcePath =
source === '.' ? basePath : path.resolve(basePath, source);
// Label is relative path for display purposes only
const label = source === '.' ? '' : source;
return { path: sourcePath, label };
});
}
// For level > 0: First discover directories at the base path, then combine with sources
const fs = await import('fs/promises');
const directories = [];
try {
const fs = await import('fs/promises');
// Step 1: Discover directories at the specified level from base path
const levelDirs = await this.#getDirectoriesAtLevel(basePath, level, '');
// Step 2: For each discovered directory, create entries for each source
for (const levelDir of levelDirs) {
for (const source of sources) {
if (source === '.') {
// Source is current directory, use discovered path as-is
directories.push(levelDir);
} else {
// Append source to path
const combinedPath = path.resolve(levelDir.path, source);
// Only add if the combined path actually exists
try {
const stats = await fs.stat(combinedPath);
if (stats.isDirectory()) {
// Label for display
const label = levelDir.label
? `${levelDir.label}/${source}`
: source;
directories.push({
path: combinedPath,
label,
});
} else E{
logger.debug(`āļø Skipping ${combinedPath} (not a directory)`);
}
} catch (error) {
logger.debug(`āļø Skipping ${combinedPath} (does not exist)`);
}
}
}
}
} catch (error) {
logger.warn(`ā ļø Could not discover directories: ${error.message}`);
}
return directories;
}
/**
* Recursively get directories at specified level
* @private
*/
async #getDirectoriesAtLevel(
basePath,
targetLevel,
currentPath,
currentLevel = 0,
) {
const fs = await import('fs/promises');
const fullPath = path.join(basePath, currentPath);
if (currentLevel === targetLevel) {
// Label is the relative path for display
const label = currentPath || '';
return [{ path: fullPath, label }];
}
const directories = [];
const entries = await fs.readdir(fullPath, { withFileTypes: true });
for (const entry of entries) {
if (entry.isDirectory()) {
const subPath = path.join(currentPath, entry.name);
const subDirs = await this.#getDirectoriesAtLevel(
basePath,
targetLevel,
subPath,
currentLevel + 1,
);
directories.push(...subDirs);
}
}
return directories;
}
/**
* Count files for percentage-based progress
* @private
*/
async #countFiles(basePath, scanConfig) {
const sources = appConfig.getUploadSources();
let totalCount = 0;
for (const source of sources) {
const sourcePath = path.resolve(basePath, source);
const files = await globbyStream('**/*', {
cwd: sourcePath,
onlyFiles: true,
absolute: true,
});
for await (const file of files) {
if (!this.#shouldExcludeFile(file, scanConfig.excludePatterns)) {
totalCount++;
}
}
}
return totalCount;
}
/**
* Stream files from a single directory and upload stats in batches
* @private
*/
async #streamScanDirectory(
dirPath,
scanConfig,
tableName,
totalFiles = null,
) {
// For directory-level scanning, we scan the directory directly
const batchSize = scanConfig.batchSize || 2000;
const scanTimestamp = new Date().toISOString();
let filesScanned = 0;
let filesInserted = 0;
let filesSkipped = 0;
let totalSize = 0;
let currentBatch = [];
// Create progress bar
const progressBar = this.#createProgressBar(totalFiles);
try {
// Create stream with stats option
const fileStream = globbyStream('**/*', {
cwd: dirPath,
onlyFiles: true,
absolute: true,
stats: true, // Get file stats during discovery
});
// Process each file from stream
for await (const entry of fileStream) {
// globby with stats:true returns {path, stats} objects
const filePath = typeof entry === 'string' ? entry : entry.path;
const stats = typeof entry === 'object' ? entry.stats : null;
// Check if file should be excluded
if (this.#shouldExcludeFile(filePath, scanConfig.excludePatterns)) {
filesSkipped++;
continue;
}
// Get file stats (use from globby or fetch manually)
const fileStats = stats || FileOperations.getFileStats(filePath);
Iif (!fileStats) {
logger.debug(`ā ļø Could not read stats: ${filePath}`);
filesSkipped++;
continue;
}
// Normalize file record
const record = this.#normalizeFileRecord(
filePath,
fileStats,
dirPath,
scanTimestamp,
);
currentBatch.push(record);
filesScanned++;
totalSize += record.sizeBytes;
// Update progress
Iif (totalFiles) {
progressBar.update(filesScanned);
} else {
// Show throughput instead of percentage
const elapsed = (Date.now() - progressBar.startTime) / 1000;
const rate = (filesScanned / elapsed).toFixed(1);
progressBar.update(filesScanned, { rate });
}
// Upload batch when full
if (currentBatch.length >= batchSize) {
const inserted = await this.#uploadBatch(tableName, currentBatch);
filesInserted += inserted;
currentBatch = [];
}
}
} catch (error) {
logger.error(`ā Error scanning directory: ${error.message}`);
}
// Upload remaining files
if (currentBatch.length > 0) {
const inserted = await this.#uploadBatch(tableName, currentBatch);
filesInserted += inserted;
}
progressBar.stop();
return {
filesScanned,
filesInserted,
filesSkipped,
totalSize,
};
}
/**
* Upload a batch of file records
* @private
*/
async #uploadBatch(tableName, records) {
try {
const result = await this.scanApiService.batchInsertStats(
tableName,
records,
);
return result.inserted;
} catch (error) {
logger.error(`ā Failed to upload batch: ${error.message}`);
return 0;
}
}
/**
* Normalize file record for database insertion
* Stores paths with forward slashes for consistency but keeps them absolute
* @private
*/
#normalizeFileRecord(filePath, fileStats, basePath, scanTimestamp) {
const fileName = path.basename(filePath);
const fileExtension = path.extname(filePath).toLowerCase().replace('.', '');
// Normalize separators to forward slashes for consistency
const directoryPath = PathNormalizer.normalizeSeparators(
path.dirname(filePath),
);
const relativePath = PathNormalizer.getRelativePath(filePath, basePath);
const absolutePath = PathNormalizer.normalizeSeparators(filePath);
return {
fileName,
fileExtension,
directoryPath,
relativePath,
absolutePath,
sizeBytes: Number(fileStats.size),
modifiedAt: fileStats.mtime.toISOString(),
scanTimestamp,
};
}
/**
* Check if file should be excluded based on patterns
* @private
*/
#shouldExcludeFile(filePath, excludePatterns) {
const fileName = path.basename(filePath);
for (const pattern of excludePatterns) {
// Convert glob pattern to regex
const regexPattern = pattern
.replace(/\./g, '\\.') // Escape dots
.replace(/\*/g, '.*') // * to .*
.replace(/\?/g, '.'); // ? to .
const regex = new RegExp(`^${regexPattern}$`, 'i');
if (regex.test(fileName)) {
return true;
}
}
return false;
}
/**
* Create progress bar
* @private
*/
#createProgressBar(totalFiles) {
Iif (totalFiles) {
// Percentage-based progress
const bar = new cliProgress.SingleBar(
{
format:
'š Scanning |{bar}| {percentage}% | {value}/{total} files | {rate} files/sec',
barCompleteChar: '\u2588',
barIncompleteChar: '\u2591',
hideCursor: true,
},
cliProgress.Presets.shades_classic,
);
bar.start(totalFiles, 0, { rate: '0.0' });
bar.startTime = Date.now();
return bar;
} else {
// Throughput-based progress
const bar = new cliProgress.SingleBar(
{
format: 'š Scanning | {value} files | {rate} files/sec',
hideCursor: true,
clearOnComplete: false,
stopOnComplete: false,
},
cliProgress.Presets.legacy,
);
bar.start(0, 0, { rate: '0.0' });
bar.startTime = Date.now();
return bar;
}
}
/**
* Format bytes to human-readable size
* @private
*/
#formatBytes(bytes) {
if (bytes === 0) return '0 Bytes';
const k = 1024;
const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}
}
export default new ScanCommand();
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