bowling-analysis-system/src/core/processors/FileReader.js

A comprehensive system for analyzing bowling techniques using video processing and metrics calculation

/**
 * @module FileReader
 * @description Reads files from the filesystem
 */
const fs = require('fs');
const path = require('path');

/**
 * @class FileReader
 * @description Reads files from the filesystem
 */
class FileReader {
  /**
   * Create a new file reader
   * @param {Object} options - Reader options
   */
  constructor(options = {}) {
    this.options = {
      encoding: 'utf8',
      ...options
    };
  }

  /**
   * Read a file
   * @param {string} filePath - Path to the file
   * @returns {Promise<string>} File contents
   */
  async readFile(filePath) {
    try {
      return await fs.promises.readFile(filePath, this.options.encoding);
    } catch (error) {
      console.error(`Error reading file ${filePath}: ${error.message}`);
      return null;
    }
  }

  /**
   * Read a JSON file
   * @param {string} filePath - Path to the JSON file
   * @returns {Promise<Object>} Parsed JSON object
   */
  async readJsonFile(filePath) {
    try {
      const data = await this.readFile(filePath);
      if (!data) return null;
      return JSON.parse(data);
    } catch (error) {
      console.error(`Error parsing JSON file ${filePath}: ${error.message}`);
      return null;
    }
  }
}

module.exports = FileReader;