FILEUP

F diff --git a/css/style.css b/css/style.css
--- a/css/style.css
+++ b/css/style.css
  	z-index: -200;
  }
  
- #loginform {
+ #signupform {
      display: none;
  }
  
F diff --git a/loginregister.js b/loginregister.js
--- a/loginregister.js
+++ b/loginregister.js
  
  
  
- 
  function clear_hero_errors()
  {
  	let errors = document.getElementsByClassName("hero_form_error");
F diff --git a/php/.database.php.swp b/php/.database.php.swp
new file mode 100644
B Binary files /dev/null and b/php/.database.php.swp differ
F diff --git a/php/.node.php.swp b/php/.node.php.swp
new file mode 100644
B Binary files /dev/null and b/php/.node.php.swp differ
F diff --git a/php/database.php b/php/database.php
--- a/php/database.php
+++ b/php/database.php
  require_once "configuration.php";
  require_once "user.php";
  require_once "misc.php";
+ require_once "node.php";
  
  /*handles database stuff*/
  	class Database
  				return false;
  			}
  		}
+ 		function get_home_id($user_id)
+ 		{
+ 			$statement=$this->pdo->prepare("select home_directory
+ 							from users
+ 							where user_id=:id
+ 							");
+ 			$statement->bindParam(':id',$user_id);
+ 
+ 			$ret=$statement->execute(PDO::FETCH_ASSOC);
+ 			return $ret["home_directory"];
+ 		}
  		function get_node_id($name,$directory_id)
  		{
  			$hold=NULL;
  			//print count($id);
  			return $id[0];
  		}
+ 		function are_linked(int $directory_id,int $node_id): bool
+ 		{
+ 			$prepare=$this->pdo->prepare("select node_id
+ 						      from node_links
+ 						      where node_id=:node_id and directory_id=:dir_id
+ 						      ");
+ 			$prepare->bindParam(':node_id',$node_id);
+ 			$prepare->bindParam(':dir_id',$directory_id);
+ 			if($prepare->execute()==false)
+ 			{
+ 				error_log("there is an sql error in are_linked");
+ 				/*quiet error*/
+ 				return false;
+ 			}
+ 			if(count($prepare->fetch(PDO::FETCH_ASSOC))==1)
+ 			{
+ 				return true;
+ 			}else
+ 			{
+ 				return false;
+ 			}
+ 		}
+ 
  		/*returns false if username is taken, email is not checked here*/
  		function register_user(string $user,string $password,string $email) : bool
  		{
  		}
  	}
  
- 
+ $database=new Database();
  ?>
F diff --git a/php/node.php b/php/node.php
new file mode 100644
--- /dev/null
+++ b/php/node.php
+ <?php 
+ require_once "database.php";
+ 
+ 	class Current_Directory
+ 	{
+ 		public $node_id;
+ 		/*an array of the dir_ids taken to reach here*/
+ 		public $path;
+ 
+ 		function __construct($user_id)
+ 		{
+ 			$this->dir_id=get_home_id($user_id);
+ 			$this->path=[$dir_id];
+ 		}
+ 		function change_directory($directory_id):bool
+ 		{
+ 			global $database;
+ 			if(!$database->is_directory($directory_id))
+ 			{
+ 				return false;
+ 			}
+ 			
+ 		}
+ 	}
+ 
+ ?>
F diff --git a/sql/.fileshare.sql.swp b/sql/.fileshare.sql.swp
new file mode 100644
B Binary files /dev/null and b/sql/.fileshare.sql.swp differ
F diff --git a/sql/fileshare.sql b/sql/fileshare.sql
--- a/sql/fileshare.sql
+++ b/sql/fileshare.sql
  	relative_path varchar(500) not null,
  	type varchar(20) not null default 'data',
  	name varchar(100) not null default 'no name',
+ 	note varchar(200) not null default "",
+ 	code char(30) not null default "error",
  	primary key (node_id)
  );