100 lines
2.9 KiB
TypeScript
100 lines
2.9 KiB
TypeScript
import csv from "csv-parser";
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import fs from "fs";
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import path from "path";
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export type User = {
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name: string;
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email: string;
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password: string;
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accessLevel: string;
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};
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/**
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* @returns {array} - Array of Objects containing user data
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*/
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export async function readUserCsv(): Promise<User[]> {
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return new Promise((resolve, reject) => {
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// Dynamic CSV location generation
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let csvPath = path.dirname(__dirname); // /login
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csvPath = path.dirname(csvPath); // /api
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csvPath = path.dirname(csvPath); // /app
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csvPath = path.dirname(csvPath); // /src
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csvPath = path.dirname(csvPath); // /[project]
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csvPath = path.dirname(csvPath); // /termor-tracker
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csvPath = path.join(csvPath, "src", "databases", "Users.csv");
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// Forms array for user data
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let results: User[] = [];
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// Reads data and adds it to results
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fs.createReadStream(csvPath)
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.pipe(csv())
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.on("data", (data) => results.push(data))
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.on("end", () => {
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resolve(results);
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})
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.on("error", (error) => {
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reject(error);
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});
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});
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}
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export function findUserByEmail(users: User[], email: string): User | undefined {
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return users.find((user) => user.email === email);
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}
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export async function passwordStrengthCheck(password: string): Promise<string> {
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if (password.length < 8) {
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return "short";
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} else if (password.length > 16) {
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return "long";
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}
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const lowercaseRegex = /[a-z]/;
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const uppercaseRegex = /[A-Z]/;
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const digitRegex = /\d/;
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const specialCharRegex = /[!@#$%^&*]/;
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if (!lowercaseRegex.test(password)) {
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return "no lower";
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} else if (!uppercaseRegex.test(password)) {
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return "no upper";
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} else if (!digitRegex.test(password)) {
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return "no digit";
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} else if (!specialCharRegex.test(password)) {
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return "no special";
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} else {
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return "secure";
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}
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return "end of function";
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}
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/**
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* Writes User objects to the Users.csv file
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* @param users {User[]} Array of User objects to write to the CSV file
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* @returns {Promise<void>}
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*/
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export async function writeUserCsv(users: User[]): Promise<void> {
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return new Promise((resolve, reject) => {
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// Dynamic CSV location generation
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let csvPath = path.dirname(__dirname); // /login
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csvPath = path.dirname(csvPath); // /api
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csvPath = path.dirname(csvPath); // /app
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csvPath = path.dirname(csvPath); // /src
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csvPath = path.dirname(csvPath); // /[project]
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csvPath = path.dirname(csvPath); // /termor-tracker
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csvPath = path.join(csvPath, "src", "databases", "Users.csv");
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// Prepare CSV data as a string
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const headers = "name,email,password,level"; // CSV headers
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const rows = users.map((user) => `${user.name},${user.email},${user.password},${user.accessLevel}`);
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const csvData = `${headers}\n${rows.join("\n")}`;
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// Write data to the file
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fs.writeFile(csvPath, csvData, (error) => {
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if (error) {
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reject(error); // Reject promise on error
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} else {
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resolve(); // Resolve the promise if successful
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}
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});
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});
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}
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