Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/shared/helpers/ReportsDataHelper.js

@@ -0,0 +1,110 @@
+import {
+  fromUnixTime,
+  startOfDay,
+  endOfDay,
+  getUnixTime,
+  subDays,
+} from 'date-fns';
+
+/**
+ * Returns a key-value pair of timestamp and value for heatmap data
+ *
+ * @param {Array} data - An array of objects containing timestamp and value
+ * @returns {Object} - An object with timestamp as keys and corresponding values as values
+ */
+export const flattenHeatmapData = data => {
+  return data.reduce((acc, curr) => {
+    acc[curr.timestamp] = curr.value;
+    return acc;
+  }, {});
+};
+
+/**
+ * Filter the given array to remove data outside the timeline
+ *
+ * @param {Array} data - An array of objects containing timestamp and value
+ * @param {number} from - Unix timestamp
+ * @param {number} to - Unix timestamp
+ * @returns {Array} - An array of objects containing timestamp and value
+ */
+export const clampDataBetweenTimeline = (data, from, to) => {
+  if (from === undefined && to === undefined) {
+    return data;
+  }
+
+  return data.filter(el => {
+    const { timestamp } = el;
+
+    const isWithinFrom = from === undefined || timestamp - from >= 0;
+    const isWithinTo = to === undefined || to - timestamp > 0;
+
+    return isWithinFrom && isWithinTo;
+  });
+};
+
+/**
+ * Generates an array of objects with timestamp and value as 0 for the last 7 days
+ *
+ * @returns {Array} - An array of objects containing timestamp and value
+ */
+export const generateEmptyHeatmapData = () => {
+  const data = [];
+  const today = new Date();
+
+  let timeMarker = getUnixTime(startOfDay(subDays(today, 6)));
+  let endOfToday = getUnixTime(endOfDay(today));
+
+  const oneHour = 3600;
+
+  while (timeMarker <= endOfToday) {
+    data.push({ value: 0, timestamp: timeMarker });
+    timeMarker += oneHour;
+  }
+
+  return data;
+};
+
+/**
+ * Reconciles new data with existing heatmap data based on timestamps
+ *
+ * @param {Array} data - An array of objects containing timestamp and value
+ * @param {Array} heatmapData - An array of objects containing timestamp, value and other properties
+ * @returns {Array} - An array of objects with updated values
+ */
+export const reconcileHeatmapData = (data, dataFromStore) => {
+  const parsedData = flattenHeatmapData(data);
+  // make a copy of the data from store
+  const heatmapData = dataFromStore.length
+    ? dataFromStore
+    : generateEmptyHeatmapData();
+
+  return heatmapData.map(dataItem => {
+    if (parsedData[dataItem.timestamp]) {
+      dataItem.value = parsedData[dataItem.timestamp];
+    }
+    return dataItem;
+  });
+};
+
+/**
+ * Groups heatmap data by day
+ *
+ * @param {Array} heatmapData - An array of objects containing timestamp, value and other properties
+ * @returns {Map} - A Map object with dates as keys and corresponding data objects as values
+ */
+export const groupHeatmapByDay = heatmapData => {
+  return heatmapData.reduce((acc, data) => {
+    const date = fromUnixTime(data.timestamp);
+    const mapKey = startOfDay(date).toISOString();
+    const dataToAppend = {
+      ...data,
+      date: fromUnixTime(data.timestamp),
+      hour: date.getHours(),
+    };
+    if (!acc.has(mapKey)) {
+      acc.set(mapKey, []);
+    }
+    acc.get(mapKey).push(dataToAppend);
+    return acc;
+  }, new Map());
+};