minor backend changes

.gitignore

 # See http://help.github.com/ignore-files/ for more about ignoring files.
 
+/users
+
 # compiled output
 /dist
 /tmp

backend/database.sql

 -- phpMyAdmin SQL Dump
--- version 5.0.3
+-- version 5.0.2
 -- https://www.phpmyadmin.net/
 --
 -- Host: localhost
--- Generation Time: Dec 06, 2020 at 03:21 PM
--- Server version: 10.4.14-MariaDB
--- PHP Version: 7.4.11
+-- Generation Time: Dec 07, 2020 at 06:55 AM
+-- Server version: 10.4.13-MariaDB
+-- PHP Version: 7.4.8
 
 SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
 START TRANSACTION;
@@ -23,49 +23,51 @@ SET time_zone = "+00:00";
 
 -- --------------------------------------------------------
 
---
--- Table structure for table `userdata`
---
-
-CREATE TABLE `userdata` (
-  `username` varchar(50) NOT NULL,
-  `n_files` int(11) DEFAULT NULL,
-  `img_url` text DEFAULT NULL,
-  `n_attempts` int(11) DEFAULT NULL,
-  `correct_timeline` text DEFAULT NULL,
-  `rating` int(11) DEFAULT NULL
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
-
--- --------------------------------------------------------
-
 --
 -- Table structure for table `users`
 --
 
 CREATE TABLE `users` (
+  `id` int(11) NOT NULL,
   `username` varchar(50) NOT NULL,
   `name` varchar(50) DEFAULT NULL,
   `password` varchar(255) DEFAULT NULL,
-  `email` varchar(255) DEFAULT NULL
+  `email` varchar(255) DEFAULT NULL,
+  `img_url` text DEFAULT 'https://bain.design/wp-content/uploads/2014/08/People-Avatar-Set-Rectangular-12.jpg',
+  `n_attempts` int(11) NOT NULL DEFAULT 0,
+  `correct_timeline` text DEFAULT '[]',
+  `rating` int(11) NOT NULL DEFAULT 0,
+  `n_files` int(11) NOT NULL DEFAULT 0
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
 
 --
--- Indexes for dumped tables
+-- Dumping data for table `users`
 --
 
+INSERT INTO `users` (`id`, `username`, `name`, `password`, `email`, `img_url`, `n_attempts`, `correct_timeline`, `rating`, `n_files`) VALUES
+(26, 'adarsh', 'adarsh', '$2y$10$PT.s983qY0EjVx2w1JBRT.y3XO3kd4wnWIng7t4.udLeWAizHDfDi', 'a@g.com', 'https://bain.design/wp-content/uploads/2014/08/People-Avatar-Set-Rectangular-12.jpg', 0, '[]', 0, 0);
+
 --
--- Indexes for table `userdata`
+-- Indexes for dumped tables
 --
-ALTER TABLE `userdata`
-  ADD PRIMARY KEY (`username`);
 
 --
 -- Indexes for table `users`
 --
 ALTER TABLE `users`
-  ADD PRIMARY KEY (`username`);
+  ADD PRIMARY KEY (`id`);
+
+--
+-- AUTO_INCREMENT for dumped tables
+--
+
+--
+-- AUTO_INCREMENT for table `users`
+--
+ALTER TABLE `users`
+  MODIFY `id` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=27;
 COMMIT;
 
 /*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
 /*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
-/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
\ No newline at end of file

backend/register.php

@@ -9,6 +9,7 @@ if (isset($postData) && !empty($postData)) {
     $email = mysqli_real_escape_string($mysqli, trim($request->email));
     $username = mysqli_real_escape_string($mysqli, trim($request->username));
     $sql = "INSERT INTO users(name,password,email,username) VALUES ('$name','$pwd','$email','$username')";
+    $sql1 = "INSERT INTO users(n_files,img_url,n_attempts,correct_timeline,rating) VALUES (0,'https://bain.design/wp-content/uploads/2014/08/People-Avatar-Set-Rectangular-12.jpg',0,'[]',0)";
 
     if ($mysqli->query($sql) === TRUE) {
         $authData = [
@@ -19,8 +20,7 @@ if (isset($postData) && !empty($postData)) {
             'username' => $username
         ];
 
-        mkdir('../users/' . $authData['username']);
-        $sql1 = "INSERT INTO userdata(username,n_files,img_url,n_attempts,correct_timeline,rating) VALUES ('$username',0,'https://bain.design/wp-content/uploads/2014/08/People-Avatar-Set-Rectangular-12.jpg',0,'[]',0)";
+        mkdir('../users/' . $authData['username'], 0755, true);
         $mysqli->query($sql1);
         echo json_encode($authData);
     }