Cloudlog/application/models/Timeplotter_model.php

100 wiersze
3.6 KiB
PHP

<?php
if (!defined('BASEPATH')) exit('No direct script access allowed');
class Timeplotter_model extends CI_Model
{
function getTimes($postdata) {
$CI =& get_instance();
$CI->load->model('logbooks_model');
$logbooks_locations_array = $CI->logbooks_model->list_logbook_relationships($this->session->userdata('active_station_logbook'));
if (!$logbooks_locations_array) {
header('Content-Type: application/json');
$data['error'] = 'No QSOs found to plot!';
echo json_encode($data);
return;
}
$this->db->select('time(col_time_on) time, col_call as callsign');
if ($postdata['band'] != 'All') {
if ($postdata['band'] == 'SAT') {
$this->db->where('col_prop_mode', $postdata['band']);
}
else {
$this->db->where('col_band', $postdata['band']);
}
}
if ($postdata['dxcc'] != 'All') {
$this->db->where('col_dxcc', $postdata['dxcc']);
}
if ($postdata['cqzone'] != 'All') {
$this->db->where('col_cqz', $postdata['cqzone']);
}
$this->db->where_in('station_id', $logbooks_locations_array);
$datearray = $this->db->get($this->config->item('table_name'));
$this->plot($datearray->result_array());
}
/*
* Function generates the array, checks for array entries, and adds them before returning data ready for plot
*/
function plot($log) {
$start = "00:00";
$end = "23:59";
$tStart = strtotime($start);
$tEnd = strtotime($end);
$tNow = $tStart;
$i = 0;
while($tNow <= $tEnd){ // Generates the time array
$label = date("H:i",$tNow).'z - ';
$tNow = strtotime('+30 minutes',$tNow);
$label .= date("H:i",$tNow).'z';
$dataarray[$i]['time'] = $label; // Used in x-axis of graph to show label for the timeslot
$dataarray[$i]['count'] = '0'; // Used to hold number of contacts found in the timeslot
$dataarray[$i]['calls'] = ''; // Used for holding callsigns of contacts in that timeslot
$dataarray[$i]['callcount'] = '0'; // Used for counting how many callsigns stored in that timeslot
$i++;
}
foreach ($log as $line) { // Looping through all the timestamps found in the log
$time = $line['time']; // Resolution is 30, calculates where to put result in array
$dt = new DateTime("1970-01-01 $time", new DateTimeZone('UTC'));
$arrayplacement = (int)$dt->getTimestamp();
$arrayplacement = floor($arrayplacement / 1800);
$dataarray[$arrayplacement]['count']++;
$callCount = $dataarray[$arrayplacement]['callcount'];
if ($callCount < 5) { // We only save a max of 5 calls to show in the graph
if ($callCount > 0) {
$dataarray[$arrayplacement]['calls'] .= ', ';
}
$dataarray[$arrayplacement]['calls'] .= $line['callsign'];
$dataarray[$arrayplacement]['callcount']++;
}
}
if (count($log) != 0) { // If we have a result from the log
header('Content-Type: application/json');
$data['qsocount'] = count($log);
$data['ok'] = 'OK';
$data['qsodata'] = $dataarray;
echo json_encode($data);
}
else {
header('Content-Type: application/json');
$data['error'] = 'No QSOs found to plot!';
echo json_encode($data);
}
}
}