Daily reports - dimming and power combined results

flow/helper/utils.js

@@ -1,3 +1,5 @@
+const fs = require('fs').promises;
+
 function bytesToInt(bytes, numberOfBytes) {
     let buffer = [];
     if (Array.isArray(bytes)) {
@@ -60,6 +62,10 @@ function isEmptyObject(obj) {
     return true;
 }
 
+function emptyJsObject(jsObject) {
+    Object.keys(jsObject).forEach(key => delete jsObject[key]);
+}
+
 function convertUTCDateToLocalDate(date) {
     var newDate = new Date(date);
     newDate.setMinutes(date.getMinutes() + date.getTimezoneOffset());
@@ -70,6 +76,46 @@ function addZeroBefore(n) {
     return (n < 10 ? '0' : '') + n;
 }
 
+
+/**
+ * Asynchronously writes data to a file.
+ *
+ * @param {string} filePath The path to the file.
+ * @param {string} data The data to write to the file.
+ * @param {boolean} [append=false] If true, appends the data to the file. If false, it overwrites the file.
+ */
+async function writeToFile(filePath, data, append = false) {
+    if (typeof data !== 'string') data = JSON.stringify(data, null, 2);
+    try {
+        if (append) {
+            // Append the data to the end of the file. This is the simplest way to append.
+            await fs.appendFile(filePath, data, 'utf8');
+            console.log(`Successfully appended data to ${filePath} using fs.appendFile.`);
+        } else {
+            // Overwrite the file with the new data.
+            await fs.writeFile(filePath, data, 'utf8');
+            console.log(`Successfully wrote (overwrote) data to ${filePath} using fs.writeFile.`);
+        }
+    } catch (error) {
+        console.error(`Error writing to file ${filePath}:`, error);
+    }
+}
+
+
+ /**
+ * Checks if an item is present in an array and adds it if it's not.
+ * * @param {Array} arr The array to check.
+ * @param {*} item The item to add.
+ * @returns {Array} The modified array.
+ */
+const addToArrayIfUnique = (arr, item) => {
+  if (!arr.includes(item)) {
+    arr.push(item);
+  }
+  return arr;
+};
+
+
 var convertBase = function() {
 
     function convertBase(baseFrom, baseTo) {
@@ -107,6 +153,9 @@ module.exports = {
     addZeroBefore,
     resizeArray,
     isEmptyObject,
+    emptyJsObject,
     sleep,
-    convertUTCDateToLocalDate
+    convertUTCDateToLocalDate,
+    writeToFile,
+    addToArrayIfUnique
 }