Building function for automatic lotw downloads

application/controllers/Lotw.php

@@ -513,6 +513,50 @@ class Lotw extends CI_Controller {
 		$this->load->view('interface_assets/footer');
 	}
 
+	public function lotw_download() {
+		$this->load->model('user_model');
+		$this->load->model('logbook_model');
+
+		$file = $config['upload_path'] . 'lotwreport_download.adi';
+
+		// Get credentials for LoTW
+		$query = $this->user_model->get_by_id($user_id);
+    	$q = $query->row();
+    	$data['user_lotw_name'] = $q->user_lotw_name;
+		$data['user_lotw_password'] = $q->user_lotw_password;
+
+		// Get URL for downloading LoTW
+		$query = $query = $this->db->query('SELECT lotw_download_url FROM config');
+		$q = $query->row();
+		$lotw_url = $q->lotw_download_url;
+
+		// Validate that LoTW credentials are not empty
+		// TODO: We don't actually see the error message
+		if ($data['user_lotw_name'] == '' || $data['user_lotw_password'] == '')
+		{
+			$this->session->set_flashdata('warning', 'You have not defined your ARRL LoTW credentials!'); redirect('lotw/import');
+		}
+
+        $lotw_last_qsl_date = date('Y-m-d', strtotime($this->logbook_model->lotw_last_qsl_date()));
+
+		// Build URL for LoTW report file
+		$lotw_url .= "?";
+		$lotw_url .= "login=" . $data['user_lotw_name'];
+		$lotw_url .= "&password=" . $data['user_lotw_password'];
+		$lotw_url .= "&qso_query=1&qso_qsl='yes'&qso_qsldetail='yes'&qso_mydetail='yes'";
+
+		//TODO: Option to specifiy whether we download location data from LoTW or not
+		//$lotw_url .= "&qso_qsldetail=\"yes\";
+
+        $lotw_url .= "&qso_qslsince=";
+        $lotw_url .= "$lotw_last_qsl_date";
+
+		file_put_contents($file, file_get_contents($lotw_url));
+
+		ini_set('memory_limit', '-1');
+		$this->loadFromFile($file);
+	}
+
 	public function import() {
 		$this->load->model('user_model');
 		if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('notice', 'You\'re not allowed to do that!'); redirect('dashboard'); }