92 行
无行尾
3.2 KiB
PHP
92 行
无行尾
3.2 KiB
PHP
<?php
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if (!defined('BASEPATH')) exit('No direct script access allowed');
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class Dayswithqso_model extends CI_Model
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{
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function __construct()
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{
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// Call the Model constructor
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parent::__construct();
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}
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function getDaysWithQso()
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{
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$CI =& get_instance();
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$CI->load->model('Stations');
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$station_id = $CI->Stations->find_active();
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$sql = "select year(COL_TIME_ON) Year, COUNT(DISTINCT TO_DAYS(COL_TIME_ON)) as Days from "
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.$this->config->item('table_name'). " thcv
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where station_id = " . $station_id . " and COL_TIME_ON is not null group by year";
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$query = $this->db->query($sql);
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return $query->result();
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}
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/*
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* Function returns the 10 longest streaks of QSOs based on all QSO dates in the log on active station profile
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*/
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function getLongestStreak() {
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$dates = $this->getDates();
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$streak = 1; // A day with a qso will always be a streak
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$dateprev = date_create('1900-01-01'); // init variable with an old date
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$i = 0;
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foreach($dates as $date) { // Loop through the result set
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$datecurr = date_create($date->date);
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if ($dateprev == date_create('1900-01-01')) { // If first run
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$dateprev = $datecurr;
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}
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else {
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$diff = $dateprev->diff($datecurr)->format("%a"); // Getting date difference between current date and previous date in array
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if ($diff == 1) { // If diff = 1, means that we are on a streak
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$streak++;
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$endstreak = $datecurr; // As long as the streak continues, we update the end date
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} else {
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if ($streak > 1) {
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$streaks[$i]['highstreak'] = $streak;
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$streaks[$i]['endstreak'] = $endstreak->format('Y-m-d');
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$streaks[$i]['beginstreak'] = $endstreak->sub(new DateInterval('P'.($streak-1).'D'))->format('Y-m-d');
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$i++;
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}
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$streak = 1;
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}
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$dateprev = date_create($date->date);
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}
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}
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if (isset($streaks) && is_array($streaks)) {
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usort($streaks, array($this,'compareStreak')); // Sort array, highest streak first
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$streaks_trimmed = array_slice($streaks, 0,10); // We only want top 10, so we trim the array
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return $streaks_trimmed;
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} else {
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return null;
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}
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}
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/*
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* Used for sorting the array highest streak first
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*/
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function compareStreak($a, $b) {
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return strnatcmp($b['highstreak'], $a['highstreak']);
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}
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/*
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* Returns all distinct dates from db on active profile
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*/
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function getDates() {
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$CI =& get_instance();
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$CI->load->model('Stations');
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$station_id = $CI->Stations->find_active();
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$sql = "select distinct cast(col_time_on as date) as date from "
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.$this->config->item('table_name'). " thcv
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where station_id = " . $station_id . " order by date asc";
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$query = $this->db->query($sql);
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return $query->result();
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}
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} |