Added statistics for number of days qrv each year.

application/controllers/Dayswithqso.php

@@ -0,0 +1,38 @@
+<?php
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Dayswithqso extends CI_Controller {
+
+    function __construct()
+    {
+        parent::__construct();
+
+        $this->load->model('user_model');
+        if(!$this->user_model->authorize(2)) { $this->session->set_flashdata('notice', 'You\'re not allowed to do that!'); redirect('dashboard'); }
+    }
+
+    public function index()
+    {
+        $this->load->model('dayswithqso_model');
+        // Render Page
+        $data['page_title'] = "Number of days with QSOs each year";
+
+        $data['result'] = $this->dayswithqso_model->getDaysWithQso();
+
+        $this->load->view('interface_assets/header', $data);
+        $this->load->view('dayswithqso/index');
+        $this->load->view('interface_assets/footer');
+    }
+
+    public function get_days(){
+
+        //load model
+        $this->load->model('dayswithqso_model');
+
+        // get data
+        $data = $this->dayswithqso_model->getDaysWithQso();
+        header('Content-Type: application/json');
+        echo json_encode($data);
+    }
+
+}

application/models/Dayswithqso_model.php

@@ -0,0 +1,27 @@
+<?php
+if (!defined('BASEPATH')) exit('No direct script access allowed');
+
+class Dayswithqso_model extends CI_Model
+{
+    function __construct()
+    {
+        // Call the Model constructor
+        parent::__construct();
+    }
+
+    function getDaysWithQso()
+    {
+        $CI =& get_instance();
+        $CI->load->model('Stations');
+        $station_id = $CI->Stations->find_active();
+
+        $sql = "select year(col_qso_date) Year, count(distinct col_qso_date) Days from "
+            .$this->config->item('table_name'). " thcv
+            where station_id = " . $station_id . " and col_qso_date is not null group by year";
+
+        $query = $this->db->query($sql);
+
+        return $query->result();
+    }
+
+}

application/views/dayswithqso/index.php

@@ -0,0 +1,33 @@
+<div class="container">
+
+    <br>
+
+    <h2><?php echo $page_title; ?></h2>
+
+    <?php
+    if (is_array($result)) {
+    echo '<div id="diffDays" class="table-responsive"><table class="qsotable table table-bordered table-hover table-striped table-condensed">';
+
+            echo '<tr>';
+                echo '<th style=\'text-align: center\'>Year</th>';
+
+                foreach ($result as $master) {
+                echo '<td style=\'text-align: center\'>' . $master->Year . '</td>';
+                }
+
+                echo '</tr>';
+
+            echo '<tr>';
+                echo '<th style=\'text-align: center\'>Days</th>';
+
+                foreach ($result as $master) {
+                echo '<td style=\'text-align: center\'>' . $master->Days . '</td>';
+                }
+
+                echo '</tr>';
+
+            echo '</table></div>';
+    }
+    ?>
+    <canvas id="myChartDiff" width="400" height="150"></canvas>
+</div>

application/views/interface_assets/footer.php

@@ -1013,6 +1013,47 @@ $(document).ready(function(){
 </script>
 <?php } ?>
 
+<?php if ($this->uri->segment(1) == "dayswithqso") { ?>
+    <script src="https://cdn.jsdelivr.net/npm/chart.js@2.8.0"></script>
+    <script>
+        var baseURL= "<?php echo base_url();?>";
+        $.ajax({
+            url: baseURL+'index.php/dayswithqso/get_days',
+            success: function(data) {
+                var labels = [];
+                var dataDxcc = [];
+                $.each(data, function(){
+                    labels.push(this.Year);
+                    dataDxcc.push(this.Days);
+                });
+                var ctx = document.getElementById("myChartDiff").getContext('2d');
+                var myChart = new Chart(ctx, {
+                    type: 'bar',
+                    data: {
+                        labels: labels,
+                        datasets: [{
+                            label: 'Days with QSOs',
+                            data: dataDxcc,
+                            backgroundColor: 'rgba(54, 162, 235, 0.2)',
+                            borderColor: 'rgba(54, 162, 235, 1)',
+                            borderWidth: 2
+                        }]
+                    },
+                    options: {
+                        scales: {
+                            yAxes: [{
+                                ticks: {
+                                beginAtZero:true
+                                }
+                            }]
+                        },
+                    }
+                });
+            }
+        });
+    </script>
+<?php } ?>
+
 <?php if ($this->uri->segment(1) == "distances") { ?>
     <script src="https://code.highcharts.com/stock/highstock.js"></script>
 <script>

application/views/interface_assets/header.php

@@ -70,6 +70,8 @@
 					<a class="dropdown-item" href="<?php echo site_url('gridsquares');?>" title="Gridsquares">Gridsquares</a>
                     <div class="dropdown-divider"></div>
                     <a class="dropdown-item" href="<?php echo site_url('distances');?>" title="Distances">Distances worked</a>
+                    <div class="dropdown-divider"></div>
+                    <a class="dropdown-item" href="<?php echo site_url('dayswithqso');?>" title="Distances">Days with QSOs</a>
 				</div>
         	</li>