Add folder with backend files

Author: vntcore

API/db.js

@@ -0,0 +1,67 @@
+import mysql from 'mysql';
+import { currentDateTime } from "./server.js"
+
+const pool = mysql.createPool({
+    host: "127.0.0.1",
+    user: "root",
+    password: "",
+    database: "testdb",
+    connectionLimit: 10
+});
+
+console.log("[" + currentDateTime() + "] [OK] MYSQL POOL CREATED SUCCESSFULLY");
+
+export class Database {
+    constructor(table, columns, parameters) {
+        this.table = table;
+        this.columns = "";
+        this.Rcolumns = "";
+        this.parameters = parameters;
+        this._P = "";
+
+        for(let i = 0; i < columns.length; i++) {
+            this.columns += columns[i];
+            if (i < columns.length - 1) {
+                this.columns += ", ";
+            }
+        }
+
+        for(let i = 0; i < columns.length; i++) {
+            this.Rcolumns += columns[i] + " = ?";
+            if (i < columns.length - 1) {
+                this.Rcolumns += " AND ";
+            }
+        }
+
+        for(let i = 0; i < parameters.length; i++) {
+            this._P += "?";
+            if (i < columns.length - 1) {
+                this._P += ", ";
+            }
+        }
+    }
+
+    insert() {
+        pool.query("INSERT INTO " + this.table + " (" + this.columns + ") VALUES (" + this._P + ")", this.parameters, function(err, results) {
+            if (err) throw err;
+        });
+    }
+
+    read() {
+        return new Promise((resolve, reject) => {
+            pool.query("SELECT * FROM " + this.table + " WHERE " + this.Rcolumns, this.parameters, function(err, results) {
+                if (err) throw err;
+                resolve(results);
+            });
+        });
+    }
+
+    count() {
+        return new Promise((resolve, reject) => {
+            pool.query("SELECT COUNT(*) AS count FROM " + this.table + " WHERE " + this.columns + " = " + this._P, this.parameters, function(err, results) {
+                if (err) throw err;
+                resolve(results[0].count);
+            });
+        });
+    }
+}

API/hashingPasswd.js

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+import bcrypt from "bcrypt"
+
+export async function hashPassword(password) {
+    const saltRounds = 10;
+    const hash = await bcrypt.hash(password, saltRounds);
+    return hash;
+}
+
+export async function checkPassword(password, hash) {
+    const match = await bcrypt.compare(password, hash);
+    
+    if (match) {
+        return true;
+    }
+
+    else {
+        return false;
+    }
+}