Feat: Use UptimeCalculator for PingChart (#4264)

Co-authored-by: Frank Elsinga <frank@elsinga.de>

server/socket-handlers/chart-socket-handler.js

@@ -0,0 +1,38 @@
+const { checkLogin } = require("../util-server");
+const { UptimeCalculator } = require("../uptime-calculator");
+const { log } = require("../../src/util");
+
+module.exports.chartSocketHandler = (socket) => {
+    socket.on("getMonitorChartData", async (monitorID, period, callback) => {
+        try {
+            checkLogin(socket);
+
+            log.debug("monitor", `Get Monitor Chart Data: ${monitorID} User ID: ${socket.userID}`);
+
+            if (period == null) {
+                throw new Error("Invalid period.");
+            }
+
+            let uptimeCalculator = await UptimeCalculator.getUptimeCalculator(monitorID);
+
+            let data;
+            if (period <= 24) {
+                data = uptimeCalculator.getDataArray(period * 60, "minute");
+            } else if (period <= 720) {
+                data = uptimeCalculator.getDataArray(period, "hour");
+            } else {
+                data = uptimeCalculator.getDataArray(period / 24, "day");
+            }
+
+            callback({
+                ok: true,
+                data,
+            });
+        } catch (e) {
+            callback({
+                ok: false,
+                msg: e.message,
+            });
+        }
+    });
+};