From 6256ca71cef21beec5ce9057392f22c9d75c77d9 Mon Sep 17 00:00:00 2001
From: Louis Vallat <louis.vallat@etu.u-bordeaux.fr>
Date: Sun, 10 Nov 2019 00:14:20 +0100
Subject: [PATCH] users can now register correctly

---
 register.php | 134 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 register.php
diff --git a/register.php b/register.php
new file mode 100644
index 0000000..ff2529a
--- /dev/null
+++ b/register.php
@@ -0,0 +1,134 @@
+<?php
+// Include util functions
+require_once("./assets/php/utils.php");
+
+// Check if the user is already logged in, if yes then redirect him to welcome page
+if (is_connected()) {
+    header("location: welcome.php");
+    exit;
+}
+
+// Define variables and initialize with empty values
+$username = $password = $confirm_password = $first_name = $last_name = "";
+$username_err = $password_err = $confirm_password_err = $first_name_err = $last_name_err = "";
+
+// Processing form data when form is submitted
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+
+    // Validate username
+    if (empty(trim($_POST["username"]))) {
+        $username_err = "Please enter an email address.";
+    } else {
+        if (get_username_count(trim($_POST["username"])) >= 1) {
+            $username_err = "This email is already taken.";
+        } else {
+            $username = trim($_POST["username"]);
+        }
+    }
+
+    // Validate password
+    if (empty(trim($_POST["password"]))) {
+        $password_err = "Please enter a password.";
+    } elseif (strlen(trim($_POST["password"])) < 6) {
+        $password_err = "Password must have atleast 6 characters.";
+    } else {
+        $password = trim($_POST["password"]);
+    }
+
+    // Validate confirm password
+    if (empty(trim($_POST["confirm_password"]))) {
+        $confirm_password_err = "Please confirm password.";
+    } else {
+        $confirm_password = trim($_POST["confirm_password"]);
+        if (empty($password_err) && ($password != $confirm_password)) {
+            $confirm_password_err = "Password did not match.";
+        }
+    }
+
+    if (empty(trim($_POST["first_name"]))) {
+        $first_name_err = "Please input your first name.";
+    } else {
+        $first_name = trim($_POST["first_name"]);
+    }
+
+    if (empty(trim($_POST["last_name"]))) {
+        $last_name_err = "Please input your last name.";
+    } else {
+        $last_name = trim($_POST["last_name"]);
+    }
+
+    // Check input errors before inserting in database
+    if (
+        empty($username_err) && empty($password_err)
+        && empty($confirm_password_err) && empty($first_name_err)
+        && empty($last_name_err)
+    ) {
+        if (add_user($username, $first_name, $last_name, $password)) {
+            // Redirect to login page
+            header("location: login.php");
+        } else {
+            echo "Something went wrong. Please try again later.";
+        }
+    }
+}
+?>
+
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <title>Sign Up</title>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.css">
+    <style type="text/css">
+        body {
+            font: 14px sans-serif;
+        }
+
+        .wrapper {
+            width: 350px;
+            padding: 20px;
+        }
+    </style>
+</head>
+
+<body>
+    <div class="wrapper">
+        <h2>Sign Up</h2>
+        <p>Please fill this form to create an account.</p>
+        <form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
+            <div class="form-group <?php echo (!empty($username_err)) ? 'has-error' : ''; ?>">
+                <label>Username</label>
+                <input type="text" name="username" class="form-control" value="<?php echo $username; ?>">
+                <span class="help-block"><?php echo $username_err; ?></span>
+            </div>
+            <div class="form-group <?php echo (!empty($first_name_err)) ? 'has-error' : ''; ?>">
+                <label>First name</label>
+                <input type="text" name="first_name" class="form-control" value="<?php echo $first_name; ?>">
+                <span class="help-block"><?php echo $first_name_err; ?></span>
+            </div>
+            <div class="form-group <?php echo (!empty($last_name_err)) ? 'has-error' : ''; ?>">
+                <label>Last name</label>
+                <input type="text" name="last_name" class="form-control" value="<?php echo $last_name; ?>">
+                <span class="help-block"><?php echo $last_name_err; ?></span>
+            </div>
+            <div class="form-group <?php echo (!empty($password_err)) ? 'has-error' : ''; ?>">
+                <label>Password</label>
+                <input type="password" name="password" class="form-control" value="<?php echo $password; ?>">
+                <span class="help-block"><?php echo $password_err; ?></span>
+            </div>
+            <div class="form-group <?php echo (!empty($confirm_password_err)) ? 'has-error' : ''; ?>">
+                <label>Confirm Password</label>
+                <input type="password" name="confirm_password" class="form-control" value="<?php echo $confirm_password; ?>">
+                <span class="help-block"><?php echo $confirm_password_err; ?></span>
+            </div>
+            <div class="form-group">
+                <input type="submit" class="btn btn-primary" value="Submit">
+                <input type="reset" class="btn btn-default" value="Reset">
+            </div>
+            <p>Already have an account? <a href="login.php">Login here</a>.</p>
+        </form>
+    </div>
+</body>
+
+</html>
\ No newline at end of file
