added new view for device congestion

application/DeviceMonitoring/DeviceMonitoringController.php

@@ -0,0 +1,151 @@
+<?php
+
+class DeviceMonitoringController extends mfBaseController {
+    private User $me;
+    private string $ZABBIX_API_URL = ZABBIX_API_URL;
+    private string $ZABBIX_API_KEY = ZABBIX_API_KEY;
+
+    private Zabbix $zabbix;
+
+
+    protected function init(): void {
+        $me = new User();
+        $me->loadMe();
+        $this->layout()->set("me", $me);
+        $this->me = $me;
+
+        if (!$this->me->isAdmin()) {
+            $this->redirect("dashboard");
+        }
+
+        $this->zabbix = new Zabbix($this->ZABBIX_API_URL, $this->ZABBIX_API_KEY);
+
+    }
+
+    protected function congestionAction() {
+        $congestionData = $this->getCongestionData();
+
+        Helper::renderVue($this, "DeviceMonitoringCongestion", $this->mod,
+            ["CONGESTION_DATA" => $congestionData]);
+    }
+
+    public function getCongestionData(): array {
+        $filename = TEMP_DIR . "/DeviceMonitoring/interfacesWithCongestion.json";
+
+        // if file is older than 50 minutes, fetch new data
+        if (file_exists($filename) && (time() - filemtime($filename)) < 3000) {
+            $interfacesWithCongestion = json_decode(file_get_contents($filename), true);
+            $fileCreateTime = date("Y-m-d H:i:s", filemtime($filename));
+
+            return ["interfacesWithCongestion" => $interfacesWithCongestion, "fileCreateTime" => $fileCreateTime];
+        }
+
+        $congestionInterfaces = $this->zabbix->getAllCongestionInterfaces();
+
+        $interfacesWithCongestion = [];
+
+        $fetchedHosts = [];
+
+        foreach ($congestionInterfaces as $interface) {
+            $itemId = $interface['itemid'];
+            $name = $interface['name'];
+            $name = str_replace(": Congestion Packets", "", $name);
+            $hostId = $interface['hostid'];
+
+            $values = $this->zabbix->getItemValues($itemId);
+
+            $highestValue = 0;
+            $highestValueTime = 0;
+            foreach ($values as $value) {
+                if ($value['value'] > $highestValue) {
+                    $highestValue = $value['value'];
+                    $highestValueTime = $value['clock'];
+                }
+            }
+
+            // if highest value is 0, then there is no congestion
+            if ($highestValue == 0) {
+                continue;
+            }
+
+            if (in_array($hostId, $fetchedHosts)) {
+                $host = $fetchedHosts[$hostId];
+            } else {
+                $host = $this->zabbix->getHostById($hostId);
+                $fetchedHosts[$hostId] = $host;
+            }
+
+            $hostname = $host[0]['name'];
+            $ip = $host[0]['host'];
+
+
+            $interfacesWithCongestion[] = [
+                "hostname" => $hostname,
+                "ip" => $ip,
+                "name" => $name,
+                "zabbixUrl" => ZABBIX_URL . "/zabbix.php?action=latest.view&hostids%5B%5D=" . $hostId,
+                "grafanaUrl" => GRAFANA_URL . "/d/Ta3PtRWZk/mikrotik-dashboard?orgId=1&var-host=" . $hostname,
+                "highestValue" => $highestValue,
+                "highestValueTime" => $highestValueTime
+            ];
+        }
+
+        if (!file_exists(TEMP_DIR . "/DeviceMonitoring")) {
+            mkdir(TEMP_DIR . "/DeviceMonitoring");
+        }
+
+        file_put_contents($filename, json_encode($interfacesWithCongestion));
+        return ["interfacesWithCongestion" => $interfacesWithCongestion, "fileCreateTime" => date("Y-m-d H:i:s")];
+    }
+
+
+    protected function indexAction(): void {
+        $JSGlobals = ["BASE_URL" => self::getUrl("VoiceCallActive"),
+                      "DASHBOARD_URL" => self::getUrl("Dashboard"),
+                      "MFAPPNAME" => MFAPPNAME_SLUG,
+                      "PAGE_TITLE" => "Active Voice Calls",
+                      "PATH" => [
+                          ["text" => MFAPPNAME_SLUG, "href" => self::getUrl("Dashboard")],
+                          ["text" => "Active Voice Calls", "href" => self::getUrl("VoiceCallActive")]
+                      ],
+                      "VOICE_CALL_ACTIVE_API_URL" => self::getUrl("VoiceCallActive/api"),
+        ];
+
+        $this->layout()->set("additionalCSS", ["css/views/VoiceCallActive.css"]);
+        $this->layout()->set("vueViewName", "VoiceCallActive");
+        $this->layout()->set("JSGlobals", $JSGlobals);
+        $this->layout()->setTemplate("VueViews/Vue");
+    }
+
+    protected function apiAction() {
+        $do = $this->request->do;
+
+        if (!$this->me->isAdmin()) {
+            $this->redirect("dashboard");
+        }
+
+        switch ($do) {
+            case "getActiveCalls":
+                $return = $this->getActiveCalls();
+                break;
+            default:
+                $return = false;
+                break;
+        }
+
+        if (!$return) {
+            $return = [
+                "status" => "error",
+                "message" => "Invalid request."
+            ];
+        }
+
+        die(json_encode($return));
+    }
+
+    private function getActiveCalls(): array {
+        $activeCalls = $this->kolmisoftMore->getActiveCalls();
+
+        return is_null($activeCalls) ? [] : (is_object($activeCalls) ? [$activeCalls] : $activeCalls);
+    }
+}