Add candidate and employer templates, application form, and new password functionality

- Created 'dla-kandydata.php' template for candidates with job offers and registration options.
- Developed 'dla-pracodawcy.php' template for employers detailing how Globelus works and registration for new employers.
- Implemented 'advert-apply.php' for job applications, including form validation and file upload for CVs.
- Added 'new-password.php' for users to set a new password with validation for password strength and matching.

autoload/front/factory/class.GlobelusUser.php

@@ -2,6 +2,41 @@
 namespace front\factory;
 class GlobelusUser
 {
+  static public function email_user_exists( $email )
+  {
+    global $mdb;
+    return $mdb -> count( 'globelus_users', [ 'email' => $email ] );
+  }
+
+  static public function save_new_password( $hash, $password, $password_retype ) {
+    global $mdb, $lang;
+
+    if ( !$hash )
+      return false;
+
+    if ( $password != $password_retype )
+      return false;
+
+    if ( strlen( $password ) < 6 )
+      return false;
+
+    $email = \front\factory\GlobelusUser::get_email_by_hash( $hash );
+    if ( !$email )
+      return false;
+
+    $register_date = \front\factory\GlobelusUser::get_register_date_by_hash( $hash );
+
+    if ( !$register_date )
+      return false;
+
+    $password = md5( $register_date . $password );
+
+    if ( $mdb -> update( 'globelus_users', [ 'password' => $password, 'password_recovery' => 0 ], [ 'hash' => $hash ] ) )
+      return true;
+
+    return false;
+  }
+
   public static function resend_activation_mail( $hash )
   {
     global $mdb, $settings, $lang;
@@ -117,6 +152,12 @@ class GlobelusUser
     return $mdb -> get( 'globelus_users', 'email', [ 'hash' => $hash ] );
   }
 
+  static public function get_register_date_by_hash( $hash )
+  {
+    global $mdb;
+    return $mdb -> get( 'globelus_users', 'register_date', [ 'hash' => $hash ] );
+  }
+
   public static function get_hash( $user_id )
   {
     global $mdb;