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/*
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ================================================================================
* 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 is a trademark and service mark 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];
});
};
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