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