lang->load(array(
			'contesting',
			'qslcard',
			'lotw',
			'eqsl',
			'qso'
		));
	}
	function index()
	{
		// Check if users logged in
		$this->load->model('user_model');
		if($this->user_model->validate_session() == 0) {
			// user is not logged in
			redirect('user/login');
		}
		$this->load->model('stations');
		// If environment is set to development then show the debug toolbar
		if(ENVIRONMENT == 'development') {
            $this->output->enable_profiler(TRUE);
        }
		$this->load->model('logbook_model');
		$this->load->library('pagination');
		$config['base_url'] = base_url().'index.php/logbook/index/';
		$config['total_rows'] = $this->logbook_model->total_qsos();
		$config['per_page'] = '25';
		$config['num_links'] = 6;
		$config['full_tag_open'] = '';
		$config['full_tag_close'] = '';
		$config['cur_tag_open'] = '';
		$config['cur_tag_close'] = '';
		$this->pagination->initialize($config);
 
		//load the model and get results
		$data['results'] = $this->logbook_model->get_qsos($config['per_page'],$this->uri->segment(3));
		// Calculate Lat/Lng from Locator to use on Maps
		if($this->session->userdata('user_locator')) {
				$this->load->library('qra');
				$qra_position = $this->qra->qra2latlong($this->session->userdata('user_locator'));
				$data['qra'] = "set";
				$data['qra_lat'] = $qra_position[0];
				$data['qra_lng'] = $qra_position[1];
		} else {
				$data['qra'] = "none";
		}
		// load the view
		$data['page_title'] = "Logbook";
		$this->load->view('interface_assets/header', $data);
		$this->load->view('view_log/index');
		$this->load->view('interface_assets/footer');
	}
	function jsonentity($adif) {
        $this->load->model('user_model');
        if(!$this->user_model->authorize($this->config->item('auth_mode'))) { return; }
        $return['dxcc'] = $this->getentity($adif);
        header('Content-Type: application/json');
        echo json_encode($return, JSON_PRETTY_PRINT);
    }
	function json($callsign, $type, $band, $mode, $station_id = null)
	{
		$this->load->model('user_model');
		if(!$this->user_model->authorize($this->config->item('auth_mode'))) { return; }
		// Convert - in Callsign to / Used for URL processing
		$callsign = str_replace("-","/",$callsign);
		// Check if callsign is an LOTW User
		$lotw_member = "";
		$lotw_file_name = "./updates/lotw_users.csv";
		if (file_exists($lotw_file_name)) {
			$f = fopen($lotw_file_name, "r");
			$result = false;
			while ($row = fgetcsv($f)) {
				if ($row[0] == strtoupper($callsign)) {
					$result = $row[0];
					$lotw_member = "active";
					break;
				}
			}
			if($lotw_member != "active") {
				$lotw_member = "not found";
			}
			fclose($f);
		} else {
			$lotw_member = "not found";
		}
		// Check Database for all other data
		$this->load->model('logbook_model');
		$return = [
			"dxcc" => false,
			"callsign_name" => "",
			"callsign_qra"  => "",
			"callsign_qth"  => "",
			"callsign_iota" => "",
			"callsign_state" => "",
			"callsign_us_county" => "",
			"qsl_manager" => "",
			"bearing" 		=> "",
			"workedBefore" => false,
			"lotw_member" => $lotw_member,
			"image" => "",
		];
		$return['dxcc'] = $this->dxcheck($callsign);
		$return['partial'] = $this->partial($callsign);
		$callbook = $this->logbook_model->loadCallBook($callsign, $this->config->item('use_fullname'));
		// Do we have local data for the Callsign?
		if($this->logbook_model->call_name($callsign) != null)
		{
			if ($this->session->userdata('user_measurement_base') == NULL) {
				$measurement_base = $this->config->item('measurement_base');
			} else {
				$measurement_base = $this->session->userdata('user_measurement_base');
			}
			$return['callsign_name'] =  $this->logbook_model->call_name($callsign);
			$return['callsign_qra'] = $this->logbook_model->call_qra($callsign);
			$return['callsign_qth'] = $this->logbook_model->call_qth($callsign);
			$return['callsign_iota'] = $this->logbook_model->call_iota($callsign);
			$return['qsl_manager'] = $this->logbook_model->call_qslvia($callsign);
			$return['callsign_state'] = $this->logbook_model->call_state($callsign);
			$return['callsign_us_county'] = $this->logbook_model->call_us_county($callsign);
			$return['bearing'] = $this->bearing($return['callsign_qra'], $measurement_base, $station_id);
			$return['workedBefore'] = $this->worked_grid_before($return['callsign_qra'], $type, $band, $mode);
			if ($this->session->userdata('user_show_qrz_image')) {
				if (isset($callbook)) {
					if ($callbook['image'] == "") {
						$return['image'] = "n/a";
					} else {
						$return['image'] = $callbook['image'];
					}
				} else {
					$return['image'] = "n/a";
				}
			}
			if ($return['callsign_qra'] != "") {
				$return['latlng'] = $this->qralatlng($return['callsign_qra']);
			}
			echo json_encode($return, JSON_PRETTY_PRINT);
			return;
		}
		if (isset($callbook))
		{
			$return['callsign_name'] = $callbook['name'];
			$return['callsign_qra'] = $callbook['gridsquare'];
			$return['callsign_qth'] = $callbook['city'];
			$return['callsign_iota'] = $callbook['iota'];
			$return['callsign_state'] = $callbook['state'];
			$return['callsign_us_county'] = $callbook['us_county'];
			if ($this->session->userdata('user_show_qrz_image')) {
				if ($callbook['image'] == "") {
					$return['image'] = "n/a";
				} else {
					$return['image'] = $callbook['image'];
				}
			}
			if(isset($callbook['qslmgr'])) {
				$return['qsl_manager'] = $callbook['qslmgr'];
			}
			if ($return['callsign_qra'] != "") {
				$return['latlng'] = $this->qralatlng($return['callsign_qra']);
			}
			$return['workedBefore'] = $this->worked_grid_before($return['callsign_qra'], $type, $band, $mode);
		}
		if ($this->session->userdata('user_measurement_base') == NULL) {
			$measurement_base = $this->config->item('measurement_base');
		} else {
			$measurement_base = $this->session->userdata('user_measurement_base');
		}
		$return['bearing'] = $this->bearing($return['callsign_qra'], $measurement_base, $station_id);
		echo json_encode($return, JSON_PRETTY_PRINT);
		return;
	}
	function worked_grid_before($gridsquare, $type, $band, $mode)
	{
		if (strlen($gridsquare) < 4)
			return false;
		$CI =& get_instance();
		$CI->load->model('logbooks_model');
		$logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
		if(!empty($logbooks_locations_array)) { 
			if($type == "SAT") {
				$this->db->where('COL_PROP_MODE', 'SAT');
			} else {
				$this->db->where('COL_MODE', $mode);
				$this->db->where('COL_BAND', $band);
				$this->db->where('COL_PROP_MODE !=','SAT');
			}
			$this->db->where_in('station_id', $logbooks_locations_array);
			$this->db->like('SUBSTRING(COL_GRIDSQUARE, 1, 4)', substr($gridsquare, 0, 4));
			$this->db->order_by($this->config->item('table_name').".COL_TIME_ON", "desc");
			$this->db->limit(1);
			$query = $this->db->get($this->config->item('table_name'));
			foreach ($query->result() as $workedBeforeRow)
			{
				return true;
			}
		}
		return false;
	}
	/*
	*	Function: jsonlookupgrid
	*
	* 	Usage: Used to look up gridsquares when creating a QSO to check whether its needed or not
	*	the $type variable is only used for satellites, set this to SAT.
	*
	*/
	function jsonlookupgrid($gridsquare, $type, $band, $mode) {
		$return = [
			"workedBefore" => false,
		];
		$CI =& get_instance();
        $CI->load->model('logbooks_model');
        $logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
		if($type == "SAT") {
			$this->db->where('COL_PROP_MODE', 'SAT');
		} else {
			$this->db->where('COL_MODE', $mode);
			$this->db->where('COL_BAND', $band);
			$this->db->where('COL_PROP_MODE !=','SAT');
		}
		$this->db->where_in('station_id', $logbooks_locations_array);
		$this->db->like('SUBSTRING(COL_GRIDSQUARE, 1, 4)', substr($gridsquare, 0, 4));
		$query = $this->db->get($this->config->item('table_name'), 1, 0);
		foreach ($query->result() as $workedBeforeRow)
		{
			$return['workedBefore'] = true;
		}
		header('Content-Type: application/json');
		echo json_encode($return, JSON_PRETTY_PRINT);
		return;
	}
	function jsonlookupdxcc($country, $type, $band, $mode) {
		$return = [
			"workedBefore" => false,
		];
		$CI =& get_instance();
        $CI->load->model('logbooks_model');
        $logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
		if(!empty($logbooks_locations_array)) { 
			if($type == "SAT") {
				$this->db->where('COL_PROP_MODE', 'SAT');
			} else {
				$this->db->where('COL_MODE', $mode);
				$this->db->where('COL_BAND', $band);
				$this->db->where('COL_PROP_MODE !=','SAT');
			}
			$this->db->where_in('station_id', $logbooks_locations_array);
			$this->db->where('COL_COUNTRY', urldecode($country));
			$query = $this->db->get($this->config->item('table_name'), 1, 0);
			foreach ($query->result() as $workedBeforeRow)
			{
				$return['workedBefore'] = true;
			}
			header('Content-Type: application/json');
			echo json_encode($return, JSON_PRETTY_PRINT);
			return;
		} else {
			$return['workedBefore'] = false;
			header('Content-Type: application/json');
			echo json_encode($return, JSON_PRETTY_PRINT);
			return;
		}
	}
	function jsonlookupcallsign($callsign, $type, $band, $mode) {
		// Convert - in Callsign to / Used for URL processing
		$callsign = str_replace("-","/",$callsign);
		$return = [
			"workedBefore" => false,
		];
		$CI =& get_instance();
		$CI->load->model('logbooks_model');
		$logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
		if(!empty($logbooks_locations_array)) { 
			if($type == "SAT") {
				$this->db->where('COL_PROP_MODE', 'SAT');
			} else {
				$this->db->where('COL_MODE', $mode);
				$this->db->where('COL_BAND', $band);
				$this->db->where('COL_PROP_MODE !=','SAT');
			}
			$this->db->where_in('station_id', $logbooks_locations_array);
			$this->db->where('COL_CALL', strtoupper($callsign));
			$query = $this->db->get($this->config->item('table_name'), 1, 0);
			foreach ($query->result() as $workedBeforeRow)
			{
				$return['workedBefore'] = true;
			}
			header('Content-Type: application/json');
			echo json_encode($return, JSON_PRETTY_PRINT);
			return;
		} else {
			$return['workedBefore'] = false;
			header('Content-Type: application/json');
			echo json_encode($return, JSON_PRETTY_PRINT);
			return;
		}
	}
	/* Used to generate maps for displaying on /logbook/ */
	function qso_map() {
		header('Content-Type: application/json; charset=utf-8');
		$this->load->model('logbook_model');
		$this->load->library('qra');
		$data['qsos'] = $this->logbook_model->get_qsos($this->uri->segment(3),$this->uri->segment(4));
		echo "{\"markers\": [";
		$count = 1;
		foreach ($data['qsos']->result() as $row) {
			if($row->COL_GRIDSQUARE != null) {
				$stn_loc = $this->qra->qra2latlong($row->COL_GRIDSQUARE);
				if($count != 1) {
					echo ",";
				}
				if($row->COL_SAT_NAME != null) {
						echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."
Date/Time: ".$row->COL_TIME_ON."
SAT: ".$row->COL_SAT_NAME."
Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
				} else {
						echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."
Date/Time: ".$row->COL_TIME_ON."
Band: ".$row->COL_BAND."
Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
				}
				$count++;
			}elseif($row->COL_VUCC_GRIDS != null) {
				$grids = explode(",", $row->COL_VUCC_GRIDS);
				if (count($grids) == 2) {
					$grid1 = $this->qra->qra2latlong(trim($grids[0]));
					$grid2 = $this->qra->qra2latlong(trim($grids[1]));
		
					$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
					$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);    
		
					$stn_loc = $this->qra->get_midpoint($coords);
				}
				if (count($grids) == 4) {
					$grid1 = $this->qra->qra2latlong(trim($grids[0]));
					$grid2 = $this->qra->qra2latlong(trim($grids[1]));
					$grid3 = $this->qra->qra2latlong(trim($grids[2]));
					$grid4 = $this->qra->qra2latlong(trim($grids[3]));
		
					$coords[]=array('lat' => $grid1[0],'lng'=> $grid1[1]);
					$coords[]=array('lat' => $grid2[0],'lng'=> $grid2[1]);    
					$coords[]=array('lat' => $grid3[0],'lng'=> $grid3[1]);    
					$coords[]=array('lat' => $grid4[0],'lng'=> $grid4[1]);    
		
					$stn_loc = $this->qra->get_midpoint($coords);
				}
				if($count != 1) {
					echo ",";
				}
	
				if($row->COL_SAT_NAME != null) { 
					echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."
Date/Time: ".$row->COL_TIME_ON."
SAT: ".$row->COL_SAT_NAME."
Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
				} else {
				echo "{\"lat\":\"".$stn_loc[0]."\",\"lng\":\"".$stn_loc[1]."\", \"html\":\"Callsign: ".$row->COL_CALL."
Date/Time: ".$row->COL_TIME_ON."
Band: ".$row->COL_BAND."
Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
				}
	
				$count++;
			
			} else {
				if($count != 1) {
					echo ",";
				}
				$result = $this->logbook_model->dxcc_lookup($row->COL_CALL, $row->COL_TIME_ON);
		
				if(isset($result)) {
					$lat = $result['lat'];
					$lng = $result['long'];
				}
				echo "{\"lat\":\"".$lat."\",\"lng\":\"".$lng."\", \"html\":\"Callsign: ".$row->COL_CALL."
Date/Time: ".$row->COL_TIME_ON."
Band: ".$row->COL_BAND."
Mode: ".$row->COL_MODE."\",\"label\":\"".$row->COL_CALL."\"}";
				$count++;
			}
		}
		echo "]";
		echo "}";
	}
	function view($id) {
		$this->load->model('user_model');
		if(!$this->user_model->authorize($this->config->item('auth_mode'))) { return; }
		$this->load->library('qra');
		$this->load->model('logbook_model');
		$data['query'] = $this->logbook_model->get_qso($id);
        if ($this->session->userdata('user_measurement_base') == NULL) {
            $data['measurement_base'] = $this->config->item('measurement_base');
        }
        else {
            $data['measurement_base'] = $this->session->userdata('user_measurement_base');
        }
        $this->load->model('Qsl_model');
        $data['qslimages'] = $this->Qsl_model->getQslForQsoId($id);
		$data['max_upload'] = ini_get('upload_max_filesize');
		$this->load->view('interface_assets/mini_header', $data);
		$this->load->view('view_log/qso');
		$this->load->view('interface_assets/footer');
	}
	function partial($id) {
		$this->load->model('user_model');
		if(!$this->user_model->authorize($this->config->item('auth_mode'))) { return; }
		$CI =& get_instance();
		$CI->load->model('logbooks_model');
		$logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
		$html = "";
		if(!empty($logbooks_locations_array)) { 
	    $this->db->select(''.$this->config->item('table_name').'.COL_CALL, '.$this->config->item('table_name').'.COL_BAND, '.$this->config->item('table_name').'.COL_TIME_ON, '.$this->config->item('table_name').'.COL_RST_RCVD, '.$this->config->item('table_name').'.COL_RST_SENT, '.$this->config->item('table_name').'.COL_MODE, '.$this->config->item('table_name').'.COL_SUBMODE, '.$this->config->item('table_name').'.COL_PRIMARY_KEY, '.$this->config->item('table_name').'.COL_SAT_NAME, '.$this->config->item('table_name').'.COL_GRIDSQUARE, '.$this->config->item('table_name').'.COL_QSL_RCVD, '.$this->config->item('table_name').'.COL_EQSL_QSL_RCVD, '.$this->config->item('table_name').'.COL_EQSL_QSL_SENT, '.$this->config->item('table_name').'.COL_QSL_SENT, '.$this->config->item('table_name').'.COL_STX, '.$this->config->item('table_name').'.COL_STX_STRING, '.$this->config->item('table_name').'.COL_SRX, '.$this->config->item('table_name').'.COL_SRX_STRING, '.$this->config->item('table_name').'.COL_LOTW_QSL_SENT, '.$this->config->item('table_name').'.COL_LOTW_QSL_RCVD, '.$this->config->item('table_name').'.COL_VUCC_GRIDS, station_profile.*');
	    $this->db->from($this->config->item('table_name'));
	    $this->db->join('station_profile', 'station_profile.station_id = '.$this->config->item('table_name').'.station_id');
	    $this->db->where_in('station_profile.station_id', $logbooks_locations_array);
	    $this->db->order_by(''.$this->config->item('table_name').'.COL_TIME_ON', "desc");
		$this->db->like($this->config->item('table_name').'.COL_CALL', $id);
		$this->db->order_by($this->config->item('table_name').".COL_TIME_ON", "desc");
		$this->db->limit(5);
		$query = $this->db->get();
		}
		if (!empty($logbooks_locations_array) && $query->num_rows() > 0)
		{
			$html .= "
| Date"; $html .= " | Callsign"; $html .= " | RST (S)"; $html .= " | RST (R)"; $html .= " | Band"; $html .= " | Mode"; $html .= " | QSL"; $html .= " | "; $html .= " | ||
| ".date($custom_date_format, $timestamp). date(' H:i',strtotime($row->COL_TIME_ON)) . ""; $html .= " | " . str_replace('0','Ø',strtoupper($row->COL_CALL)) . ""; $html .= " | ".$row->COL_RST_SENT.""; $html .= " | ".$row->COL_RST_RCVD.""; if($row->COL_SAT_NAME != null) { $html .= " | ".$row->COL_SAT_NAME.""; } else { $html .= " | ".$row->COL_BAND.""; } if ($row->COL_SUBMODE==null) $html .= " | ".$row->COL_MODE.""; else $html .= " | ".$row->COL_SUBMODE.""; $html .= " | "; $html .= "COL_QSL_SENT) { case "Y": $html .= "green"; break; case "Q": $html .= "yellow"; break; case "R": $html .= "yellow"; break; case "I": echo "grey"; break; default: $html .= "red"; } $html .= "\">▲"; $html .= "COL_QSL_RCVD) { case "Y": $html .= "green"; break; case "Q": $html .= "yellow"; break; case "R": $html .= "yellow"; break; case "I": echo "grey"; break; default: $html .= "red"; } $html .= "\">▼"; $html .= ""; $html .= " | ".$row->station_callsign.""; $html .= " |