From 39c7d4d68411571b4d3fe81409ef805ca874c141 Mon Sep 17 00:00:00 2001
From: Vitalii Lysak <v.lysak@dunice.net>
Date: Fri, 22 Jul 2022 20:09:09 +0300
Subject: add table, processor

---
 src/utilities/_sila/metricProperties.js | 84 +++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/utilities/_sila/metricProperties.js

(limited to 'src/utilities/_sila/metricProperties.js')

diff --git a/src/utilities/_sila/metricProperties.js b/src/utilities/_sila/metricProperties.js
new file mode 100644
index 00000000..5dd58014
--- /dev/null
+++ b/src/utilities/_sila/metricProperties.js
@@ -0,0 +1,84 @@
+export function getItems(data) {
+  let filteredData = data.filter((metric) => {
+    return metric.MetricValue !== 'nan';
+  });
+
+  let transform = filteredData.map((metric) => {
+    let date = new Date(metric.Timestamp);
+    let time =
+      date.getHours() +
+      ':' +
+      String(date.getMinutes()).padStart(2, '0') +
+      ' ' +
+      formatDate(date);
+    return {
+      ...metric,
+      Timestamp: time,
+      MetricValue: Math.round(metric.MetricValue),
+    };
+  });
+
+  let group = transform.reduce(function (rv, x) {
+    (rv[x['MetricProperty']] = rv[x['MetricProperty']] || []).push(x);
+    return rv;
+  }, {});
+
+  return Object.keys(group).map((metric) => {
+    return {
+      name: metric,
+      currentTemperature: group[metric][group[metric].length - 1].MetricValue,
+      middleTemperature: findAverage(group[metric]),
+      minTemperature: findMin(group[metric]),
+      minDate: findDateOfMin(group[metric]),
+      maxTemperature: findMax(group[metric]),
+      maxDate: findDateOfMax(group[metric]),
+    };
+  });
+}
+
+function padTo2Digits(num) {
+  return num.toString().padStart(2, '0');
+}
+
+function formatDate(date) {
+  return [
+    padTo2Digits(date.getDate()),
+    padTo2Digits(date.getMonth() + 1),
+    date.getFullYear(),
+  ].join('.');
+}
+
+function findAverage(arr) {
+  const { length } = arr;
+  return Math.round(
+    arr.reduce((acc, val) => {
+      return acc + val.MetricValue / length;
+    }, 0)
+  );
+}
+
+function findMin(arr) {
+  return arr.reduce(
+    (min, p) => (p.MetricValue < min ? p.MetricValue : min),
+    arr[0].MetricValue
+  );
+}
+
+function findMax(arr) {
+  return arr.reduce(
+    (max, p) => (p.MetricValue > max ? p.MetricValue : max),
+    arr[0].MetricValue
+  );
+}
+
+function findDateOfMin(arr) {
+  return arr.reduce((res, obj) =>
+    obj.MetricValue < res.MetricValue ? obj : res
+  ).Timestamp;
+}
+
+function findDateOfMax(arr) {
+  return arr.reduce((res, obj) =>
+    obj.MetricValue > res.MetricValue ? obj : res
+  ).Timestamp;
+}
-- 
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