BSE-API-PACKAGE

BSE-API-PACKAGE is a Node.js library that facilitates downloading and extracting ZIP files containing Bhavcopy (trading data) from the Bombay Stock Exchange (BSE) website.

Installation

Install the package via npm:

npm install bse-api-package

Features

• Download and extract ZIP files containing Bhavcopy data from BSE for a specific date or date range.
• Retrieve today's Bhavcopy data directly.
• Save extracted files to a specified output directory.

Usage

Importing the Module

const BSEDownloader = require('bse-api-package');
const downloader = new BSEDownloader();

Download and Extract Today's Data

const outputDir = '/path/to/your/output/directory';

downloader.downloadTodayData(outputDir)
  .then(success => {
    if (success) {
      console.log('Downloaded and extracted ZIP for today');
    } else {
      console.log('Failed to download or extract ZIP for today');
    }
  })
  .catch(error => {
    console.error('Error:', error.message);
  });

Download and Extract specific date Data

const outputDir = '/path/to/your/output/directory';
const date =new Date('2023-05-27');

downloader.downloadForDate(date, outputDir)
  .then(success => {
    if (success) {
      console.log('Downloaded and extracted ZIP for today');
    } else {
      console.log('Failed to download or extract ZIP for today');
    }
  });

Download Data for a Date Range

const outputDir = '/path/to/your/output/directory';
const startDate = new Date('2023-06-27');
const endDate = new Date('2023-06-30');

downloader.downloadDataForDateRange(startDate, endDate, outputDir)
  .then(success => {
    if (success) {
      console.log(`Downloaded and extracted ZIP files between ${startDate} and ${endDate}`);
    } else {
      console.log(`Failed to download or extract ZIP files between ${startDate} and ${endDate}`);
    }
  })
  .catch(error => {
    console.error('Error:', error.message);
  });

API Documentation

downloadTodayData(outputDir: string): Promise<boolean> Downloads and extracts the Bhavcopy ZIP file for today's date.

• outputDir: The directory path where the extracted files will be saved.

downloadForDate(date: Date,outputDir: string): Promise<boolean> Downloads and extracts the Bhavcopy ZIP file for given date.

• outputDir: The directory path where the extracted files will be saved.

downloadDataForDateRange(startDate: Date, endDate: Date, outputDir: string): Promise<boolean> Downloads and extracts Bhavcopy ZIP files for a date range.

• startDate: The start date (inclusive) of the date range.
• endDate: The end date (inclusive) of the date range.
• outputDir: The directory path where the extracted files will be saved.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Explanation:

• Installation: Provides instructions on how to install the package using npm.

• Features: Lists the main features of the BSE-API-PACKAGE package.

• Usage: Demonstrates how to import the module, use methods to download and extract ZIP files, and handle success or failure callbacks.

• API Documentation: Detailed documentation for each method, including parameters and return types.

• License: Information about the licensing of the package.

You can adjust the paths, error handling, and logging as per your specific application requirements. This README.md file should provide a clear guide for users on how to install, use, and understand your BSE-API-PACKAGE package. Adjust the examples and descriptions based on any additional functionality or customization you provide in your library.

Note:

This is only for study purpose