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Diffstat (limited to 'src/utils/DateTimeChartUtil.js')
-rw-r--r-- | src/utils/DateTimeChartUtil.js | 92 |
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]; + }); +}; |