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: / home / ksclnmuac / public_html / ci_panel / application / controllers / admin /
Filename : Notification.php
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<?php

    class Notification extends CI_controller{
        
        public function __construct()
        {
            # code...
            parent::__construct();
            $admin = $this->session->userdata('admin');
            if(empty($admin)){
                $this->session->set_flashdata('msg', 'Your session has been expired');
                redirect(base_url('admin/login/index'));
            }
        }


        public function create($page=1)
        {
            # code...
            $config['upload_path']          = './public/uploads/notice/';
            $config['allowed_types']        = 'pdf';
            $config['encrypt_name']         = TRUE;


            // this will show error

            // ====>view code start
            $perpage = 5;
            $param = [];
            $param['limit'] = $perpage;
            $param['offset'] = ($page*$perpage)-$perpage;

            $this->load->library('pagination');
            $this->load->library('form_validation');
            $this->load->model('Notification_model');

            $config['base_url'] = base_url('admin/notification/create');
            $config['total_rows'] = $this->Notification_model->getNotificationCounts();
            $config['per_page'] = $perpage;
            $config['use_page_numbers'] = true;

            $config['first_link'] = 'First';
            $config['last_link'] = 'Last';
            $config['next_link'] = 'Next';
            $config['prev_link'] = 'Prev';

            $config['full_tag_open'] = "<ul class='pagination'>"; 
            $config['full_tag_close'] = "</ul>"; 
            $config['num_tag_open'] = "<li class='page-item'>"; 
            $config['num_tag_close'] = "</li>"; 
            $config['cur_tag_open'] = "<li class='disabled page-item'><li class='active page-item'><a href='#' class=\"page-link\">"; 
            $config['cur_tag_close'] = "<span class='sr-only'></span></a></li>"; 
            $config['next_tag_open'] = "<li class=\"page-item\">"; 
            $config['next_tagl_close'] = "</li>"; 
            $config['prev_tag_open'] = "<li class=\"page-item\">"; 
            $config['prev_tagl_close'] = "</li>"; 
            $config['first_tag_open'] = "<li class=\"page-item\">"; 
            $config['first_tagl_close'] = "</li>"; 
            $config['last_tag_open'] = "<li class=\"page-item\">"; 
            $config['last_tagl_close'] = "</li>"; 
            $config['attributes'] = array('class' => 'page-link');

            $this->pagination->initialize($config);
            $pagination_links = $this->pagination->create_links();
  
            
            $notification = $this->Notification_model->get_notification($param);
            $data = [];
            $data['notification'] = $notification;
            // ====>view code end
           
            // for sidebar
            $data['mainModule'] = 'notification';
            $data['subModule'] = 'notification';

            $data['pagination_links'] = $pagination_links;

            $this->load->library('upload', $config);
            
            $this->form_validation->set_rules('title', 'Title', 'trim|required');
            $this->form_validation->set_error_delimiters('<p class="invalid-feedback">', '</p>');

            if($this->form_validation->run() == true){
                if(!empty($_FILES['file']['name'])){
                    // data uploading with file
                    if($this->upload->do_upload('file')){
                        $data = $this->upload->data();
                      
                        $formArray = [];
                        $formArray['notice'] = $this->input->post('title');
                        $formArray['file_name'] = $data['file_name'];
                        $formArray['date'] = date('Y-m-d H:i:s');

                        $this->Notification_model->add_notice($formArray);

                        $this->session->set_flashdata('success', 'Notification Uploaded Successfully!');
                        redirect(base_url().'admin/notification/create');
                    }else{
                        $error = $this->upload->display_errors("<p class='invalid-feedback'>", "</p>");
                        $data['errorFileUpload'] = $error;
                        redirect(base_url().'admin/notification/create');
                    }

                }else{
                    // data uploading without file
                    $formArray = [];
                    $formArray['notice'] = $this->input->post('title');
                    $formArray['date'] = date('Y-m-d H:i:s');

                    $this->Notification_model->add_notice($formArray);

                    $this->session->set_flashdata('success', 'Notification Uploaded Successfully!');
                    redirect(base_url().'admin/notification/create');
                }
            }else{
                $this->load->view('admin/notification', $data);
            }

        }



        public function delete($id)
        {
            # code...
            $this->load->model('Notification_model');
            $notification = $this->Notification_model->getNoti($id);
            
            if(empty($notification)){
                $this->session->set_flashdata('error', 'Notification not found!');
                redirect(base_url().'admin/notification/create');
            }else{
                if(file_exists('./public/uploads/notice/'.$notification[0]['file_name'])){
                    unlink('./public/uploads/notice/'.$notification[0]['file_name']);
                }else{
                    echo "file not exists";
                }

                $this->Notification_model->deleteNotification($id);
                $this->session->set_flashdata('success', 'This notification deleted successfully!');
                redirect(base_url().'admin/notification/create');
            }
            
        }


        public function getDataAjax($id)
        {
            # code...
            // echo $id;
            $this->load->model('Notification_model');
            $temp_noti = $this->Notification_model->getNoti($id);
            $noti = json_encode($temp_noti);
            echo $noti; 
        }



        // edit code
        public function edit()
        {
            # code...
            $config['upload_path']          = './public/uploads/notice/';
            $config['allowed_types']        = 'pdf';
            $config['encrypt_name']         = TRUE;

            $this->load->library('upload', $config);
            $this->load->model('Notification_model');
            $this->load->library('form_validation');

            // Validation start
            $this->form_validation->set_error_delimiters('<p class="invalid-feedback">', '</p>');
            $this->form_validation->set_rules('eid', 'ID', 'trim|required');
            $this->form_validation->set_rules('etitle', 'Title', 'trim|required');
            
            if($this->form_validation->run()==true){
                
                // main threat for updation --->
                $id = $this->input->post('eid');
                
                if(!empty($_FILES['efile']['name'])){
                    // file uploading
                     if($this->upload->do_upload('efile')){
                        $data = $this->upload->data();

                        // unlink the older file first
                        $noti = $this->Notification_model->getNoti($id);
                        $path = './public/uploads/notice/'.$noti[0]['file_name'];
                        if(file_exists($path)){
                            unlink($path);
                         }

                        $formArray = [];
                        $formArray['notice'] = $this->input->post('etitle');
                        $formArray['file_name'] = $data['file_name'];

                        $this->Notification_model->editNotification($id, $formArray);

                        $this->session->set_flashdata('success', 'Notification Updated Successfully!');
                        redirect(base_url().'admin/notification/create');
                    }else{
                        // if we will get get any error
                        $error = $this->upload->display_errors("<p class='invalid-feedback'>", "</p>");
                        $data['errorFileUpload'] = $error;
                        redirect(base_url().'admin/notification/create');
                    }                    

                }else{
                    // without file uploading
                    $formArray = [];
                    $formArray['notice'] = $this->input->post('etitle');
                    $this->Notification_model->editNotification($id, $formArray);
                    $this->session->set_flashdata('success', 'Notification Updated Successfully!');
                    redirect(base_url().'admin/notification/create');
                }
                
            }else{
                $this->session->set_flashdata('error', 'Sorry, something went wrong!');
                redirect(base_url().'admin/notification/create');
            }

        }


    }