2.59.3 Added Channels mode for CLE admins

src/Controller/Web/Channels/Channels.php

@@ -0,0 +1,82 @@
+<?php
+namespace App\Controller\Web\Channels;
+
+use App\Controller\Web\Base;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;  // Required for annotations
+
+/**
+ * Class Logs
+ * @package App\Controller\Web
+ */
+class Channels extends Base
+{
+    /**
+     * @Route(
+     *     "/{_locale}/{system}/channels",
+     *     requirements={
+     *        "system": "reu|rna|rww"
+     *     },
+     *     name="channels"
+     * )
+     * @param $_locale
+     * @param $system
+     *
+     * @return Response
+     */
+    public function channels(
+        $_locale,
+        $system
+    ) {
+        $i18n = $this->translator;
+        $minDate = '2023-01-01';
+        $minTimes = 5;
+        $regions = $this->regionRepository->getAllOptions(false, false);
+        $regionCodes = array_values($regions);
+        $groupedSlots = [];
+        foreach ($regionCodes as $r) {
+            $groupedSlots[$r] = 0;
+        }
+        $data = $this->statsRepository->getChannels($minDate, $minTimes);
+        $grouped = [];
+        foreach ($data as $row) {
+            if (!isset($grouped[$row['khz']])) {
+                $grouped[$row['khz']] = $groupedSlots;
+            }
+            $grouped[$row['khz']][$row['region']] = $row['stations'];
+        }
+        $table = "
+            <table border='1' class='channels' style='border-collapse: collapse'>
+                <thead>
+                    <tr>
+                        <th>KHz</th>";
+        foreach ($regions as $label => $value) {
+            $table .= "<th>" . $label . "</th>";
+        }
+        $table .= "
+                    </tr>
+                </thead>
+                <tbody>";
+        foreach ($grouped as $khz => $stations) {
+            $table .= "<tr>\n    <th>" . (0 + $khz) . "</th>";
+            foreach ($regionCodes as $regionCode) {
+                $table .= "<td>" . ($stations[$regionCode] ? $stations[$regionCode] : "") . "</td>";
+            }
+            $table .= "</tr>";
+        }
+        $table .= "</tbody>\n</table>";
+
+        $parameters = [
+            '_locale' =>    $_locale,
+            'mode' =>       $i18n->trans('Channels'),
+            'system' =>     $system,
+            'minTimes' =>   $minTimes,
+            'minDate' =>    $minDate,
+            'table' =>      $table
+        ];
+        $parameters = array_merge($parameters, $this->parameters);
+        return $this->render('channels/channels.html.twig', $parameters);
+
+    }
+
+}

src/Repository/RegionRepository.php

@@ -34,10 +34,10 @@ public function getOne($code)
         return $this->cacheOne[$code];
     }
 
-    public function getAllOptions($withUnknown = true)
+    public function getAllOptions($withUnknown = true, $withAny = true)
     {
         $regions = $this->getRegions();
-        $out = ['(Any Region)' => ''];
+        $out = $withAny ? ['(Any Region)' => ''] : [];
         foreach ($regions as $row) {
             if ($withUnknown === false && $row->getRegion() === 'xx') {
                 continue;

src/Repository/StatsRepository.php

@@ -30,6 +30,43 @@ public function __construct(
         $this->connection = $connection;
     }
 
+    public function getChannels($minDate = false, $minTimes = 0)
+    {
+        $sql = "
+            SELECT
+                s.khz,
+                l.region,
+                COUNT(distinct s.id) as stations
+            FROM
+                signals s
+            INNER JOIN logs l on
+                l.signalID = s.id
+            WHERE
+                s.active = 1        -- Is active
+                AND s.type = 0      -- Is NDB
+                AND s.khz >= 190    -- Is 190 KHz and up
+                AND s.khz <= 1720   -- Is 1720 KHz and below
+                AND s.id in(        -- Has been heard this year
+                    SELECT
+                        ls.signalId
+                    from
+                        logs ls
+                    " . ($minDate ? "WHERE ls.date >= '" . $minDate ."'" : "") . "
+                    group by
+                        ls.signalId
+                    " . ($minTimes ? "HAVING COUNT(*) >= " . $minTimes :  "") ."
+                )
+            GROUP BY
+                khz, region
+            ORDER BY
+                khz, region";
+
+        /** @var Doctrine\DBAL\Driver\Statement $stmt */
+        $stmt = $this->connection->prepare($sql);
+        $stmt->execute();
+        return $stmt->fetchAllAssociative();    
+    }
+
     public function getStats()
     {
         if ($this->cache === null) {

templates/channels/channels.html.twig

@@ -0,0 +1,26 @@
+{% extends 'main.html.twig' %}
+{% block body %}
+<style>
+table.channels {
+    font-size: 80%;
+    width: auto;
+}
+table.channels thead th {
+    background: #ccc;
+    width: 5em;
+    padding: 0.25em;
+}
+table.channels tbody th,
+table.channels tbody td {
+    text-align: right;
+    padding: 0.25em;
+}
+</style>
+<div class="main">
+<h1>Channels</h1>
+<p>Showing NDB channel usage by region for signals received at least {{ minTimes }} time(s)
+since {{ minDate }}</p>
+
+{{ table | raw }}
+</div>
+{% endblock %}