/**
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* 异常数据相关逻辑代理
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*/
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import index from '@/utils/exception_common_function/index.js'
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function findPeriod(dataList, exceptionCheck, specilOption) {
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let start,
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last = undefined
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let isException = false
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const res = []
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dataList.forEach((e) => {
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// 判断前后相邻两个数据的时间点是否超过15分钟
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if (last && !isException) {
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if (typeof specilOption === 'function' && specilOption(last, e)) {
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res.push([last.lst, e.lst])
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}
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}
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if (typeof exceptionCheck === 'function' && exceptionCheck(e)) {
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if (!isException) {
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start = e
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isException = true
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}
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} else {
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if (isException) {
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res.push([start.lst, last.lst])
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isException = false
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}
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}
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last = e
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})
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return res
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}
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export default {
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/**
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* 获取数据的异常时段数组
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* @param {*} beginTime
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* @param {*} endTime
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* @param {*} dataList
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* @param {*} exceptionType
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* @returns
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*/
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getExceptionArea(beginTime, endTime, dataList, exceptionType) {
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if (dataList.length == 0) {
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return []
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}
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const d1 = dataList[0].lst
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const d2 = dataList[dataList.length - 1].lst
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switch (exceptionType) {
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// 有效率异常
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case '8':
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// 统计数据缺失时段和数据标识不为N的时段
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return findPeriod(
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dataList,
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(data) => {
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return data.flag != 'N'
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},
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(last, data) => {
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return index.diffFiftyMinutesNum(last.lst, data.lst) > 1
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}
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)
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//单日超标次数临界异常
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case '6':
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return findPeriod(dataList, (data) => {
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return data.dustValue > 1
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})
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//数据超低
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//超标
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//数据长时段无波动
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//量级突变
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//临近超标异常
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//变化趋势异常
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case '1':
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case '2':
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case '3':
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case '4':
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case '5':
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case '7':
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return [[d1, d2]]
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//数据缺失异常
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case '0':
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return [[beginTime, endTime]]
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}
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}
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}
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