Initial coomit for AAI-UI(sparky-fe)

Change-Id: I9f8482824a52bac431c100939899e760c0fa4fdb
Signed-off-by: ARULNA <arul.nambi@amdocs.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/src/utils/DateTimeChartUtil.js b/src/utils/DateTimeChartUtil.js
new file mode 100644
index 0000000..312e19e
--- /dev/null
+++ b/src/utils/DateTimeChartUtil.js
@@ -0,0 +1,92 @@
+/*
+ * ============LICENSE_START===================================================
+ * SPARKY (AAI UI service)
+ * ============================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ============================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=====================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+
+let moment = require('moment');
+let d3Scale = require('d3-scale');
+let d3Time = require('d3-time');
+
+/**
+ * Converts specified time (ms since epoc) into a
+ * MM/DD/YYYY format for the local timezone
+ */
+export function dateFormatLocalTimeZoneMMDDYYYY(time) {
+  return moment(time).format('L');
+};
+
+/**
+ * Build a map of 'ticks' to be used on a graph axis based on the date range
+ * identified by the specified JSON attribute (ticks will be on a daily basis)
+ * @param data - the array of JSON data
+ * @param attrKey - the attribute within the JSON containing the date
+ * @returns - a map of ticks, one for each day within the range of dates
+ *   covered by the specified data
+ */
+export function getTicks(data, attrKey) {
+  if (!data || !data.length) {
+    return [];
+  }
+  
+  const domain = [new Date(data[0][attrKey]),
+    new Date(data[data.length - 1][attrKey])];
+  const scale = d3Scale.scaleTime().domain(domain).range([0, 1]);
+  const ticks = scale.ticks(d3Time.timeDay, 1);
+  
+  return ticks.map(entry => +entry);
+};
+
+/**
+ * Merges ticks into a list of data points
+ * @param data - the list of data points (each point is a date/value pair)
+ * @param ticks - a map of date based points to merge with the list of data
+ * @param attrKey - the attribute which contains teh date value
+ * @returns - an integrated list of data points and ticks
+ */
+export function getTicksData(data, ticks, attrKey) {
+  if (!data || !data.length) {
+    return [];
+  }
+  
+  const dataMap = new Map(data.map((i) => [i[attrKey], i]));
+  ticks.forEach(function (item) {
+    if (!dataMap.has(item)) {
+      let jsonObj = {};
+      jsonObj[attrKey] = item;
+      data.push(jsonObj);
+    }
+  });
+  return data;
+};
+
+/**
+ * Sort an array of JSON data by a specified attribute
+ * @param data - array of JSON objects to be sorted
+ * @param field - the attribute to sort on
+ * @returns - the sorted array
+ */
+export function sortDataByField(data, field) {
+  return data.sort(function (a, b) {
+    return a[field] - b[field];
+  });
+};