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Filename : User_controller.php
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<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class User_controller extends CI_Controller {

	public function __construct()
	{
		parent::__construct();
		$this->load->helper("form");
		$this->load->model("User_model");
	}

	public function index()
	{
		if($this->session->userdata('u_session')){
			$data['title'] ="Welcome to admin controll page";
			$data = $this->session->userdata('u_session');
			$this->load->view('admin/home',$data);
		}else{
			$this->load->view('admin/index');
		}
	}

	// login method
	public function login()
	{
		if($_POST)
		{
			$username = $this->input->post('username');
			$password = substr(md5($this->input->post('password')), 2,25);
			$this->db->where(array('username'=>$username , 'password'=>$password));
			$query = $this->db->get("portfolio_user");
			$this->session->set_userdata("u_session",$query->row_array());
			redirect("admin-user");
		}
		else
		{
			redirect("admin-user");
		}// end inner end condition	
	}

	// logout method
	public function logout()
	{
		if($this->session->userdata('u_session'))
		{
			$session_data = $this->session->userdata('u_session');
			$this->session->unset_userdata("u_session",$session_data);
			$this->session->sess_destroy();
			redirect("admin-user");
		}
		else
		{
			redirect("admin-user");
		}// end inner end condition	
	}

	//new user routes
	public function create_new_user()
	{
		if($this->session->userdata('u_session')){
			$data = $this->session->userdata('u_session');
			$data['title'] ="Add new user | Portfolio Pannel";
			$data['message'] = $this->session->flashdata('message');
			$data['error'] = $this->session->flashdata('error');

			//add user form
			$data['userform'] = "userform";
			$this->load->view('admin/home',$data);
		}
		else
		{
			redirect("admin-user");
		}
	}

	public function create()
	{
		if($this->session->userdata('u_session'))
		{
			$this->load->library('form_validation');
			$this->form_validation->set_rules('fullname', 'Enter your Correct name', 'required');
			$this->form_validation->set_rules('username', 'Uername not valid', 'required|is_unique[portfolio_user.username]'); // check valid username
			$this->form_validation->set_rules('email', 'Email', 'required|valid_email|is_unique[portfolio_user.email]'); // checkh valid email
			$this->form_validation->set_rules('password', 'Password', 'required');
			$this->form_validation->set_rules('passconf', 'Password Confirmation', 'required|matches[password]');

			$image = TRUE;			
			if(!empty($_FILES['picture']['name'])){
				$image = $this->do_upload();
			}
			if($this->form_validation->run() == FALSE || $image == FALSE)
			{
		 		$this->form();
	        }
	        else
	        {
	        	$result = $this->User_model->add_new_user($image);
	        	if($result){
	        		$message ="User added successfully";
	        		$this->session->set_flashdata("message",$message);
	        		redirect("view-user");             
	        	} // end innser condition
	        } // end outer condition		
		}
		else
		{
			redirect("admin-user");
		}
	}

	public function update()
	{
		if($this->session->userdata('u_session'))
		{
			$this->load->library('form_validation');
			$this->form_validation->set_rules('fullname', 'Enter your Correct name', 'required');
			$this->form_validation->set_rules('password', 'Password', 'required');
			$this->form_validation->set_rules('passconf', 'Password Confirmation', 'required|matches[password]');

			$image = TRUE;
			if(!empty($_FILES['picture']['name'])){
				$image = $this->do_upload();
			}
			if($this->form_validation->run() == FALSE || $image == FALSE){
		 		$this->manage($name);
	        }else{
	        	$result = $this->User_model->update($image);
	        	if($result){
	        		$this->session->set_flashdata("message","User updated successfully");
	        		redirect("view-user");             
	        	} // end innser condition
	        } // end outer condition			
		}
		else
		{
			redirect("admin-user");
		}	
	}

	public function do_upload()
	{		
		$config['upload_path']	= './uploads/users/';
        $config['allowed_types']= 'gif|jpg|png|jpeg';
        $config['max_size']		= 2048;
        $config['file_name']	= time();
        $this->load->library('upload', $config);
        if (!$this->upload->do_upload('picture'))
        {
            $error = $this->upload->display_errors();
            $this->session->set_flashdata('error',$error);
            return FALSE;
        }
        else
        {
            $sdata= $this->upload->data();
			return $config['upload_path'].$sdata['file_name'];
        };
	}


	// for view user
	public function view(){
		if($this->session->userdata('u_session'))
		{
			$data = $this->session->userdata('u_session');
			$data["title"] ="View all user | Portfolio Pannel";
			$data['users'] = $this->User_model->view_users();

			//view user form
			$data['view_user'] = "view_user";
			$this->load->view('admin/home',$data);
		}
		else
		{
			redirect("admin-user");
		}
	}

	// for manage user
	public function manage($username){
		if($this->session->userdata('u_session'))
		{
			$data = $this->session->userdata('u_session');
			$data['error'] = $this->session->flashdata('error');
			$data['user'] = $this->User_model->get_user($username);
			$data['title'] ="Manage user ".$data['user']['nice_name']." | Portfolio Pannel";

			//manage_user form
			$data['manage_user'] = "manage_user";
			$this->load->view('admin/home',$data);
		}
		else
		{
			redirect("admin-user");
		}
	}

	// for delete user
	public function delete($id="")
	{
		if($this->session->userdata('u_session'))
		{
			$this->db->where('id', $id);
			$this->db->delete('portfolio_user');
			$this->session->set_flashdata("message","User deleted successfully");
			redirect('view-user');
		}
		else
		{
			redirect("admin-user");
		}
	}


}