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export function getGroups(data) {
return Object.keys(
data.reduce(function (rv, x) {
(rv[x['Sensor']] = rv[x['Sensor']] || []).push(x);
return rv;
}, {})
);
}
export function getItems(data, float = false) {
let filteredData = data.filter((metric) => {
return metric.Value !== 'nan';
});
let transform = filteredData.map((metric) => {
let date = new Date(metric.Timestamp);
return {
...metric,
Timestamp: {
time:
date.getHours() + ':' + String(date.getMinutes()).padStart(2, '0'),
date: formatDate(date),
},
Value: float ? metric.Value : Math.round(metric.Value),
};
});
let group = transform.reduce(function (rv, x) {
(rv[x['Sensor']] = rv[x['Sensor']] || []).push(x);
return rv;
}, {});
return Object.keys(group).map((metric) => {
return {
name: metric,
current: group[metric][group[metric].length - 1].Value,
middle: findAverage(group[metric]),
min: findMin(group[metric]),
minDate: findDateOfMin(group[metric]),
max: findMax(group[metric]),
maxDate: findDateOfMax(group[metric]),
};
});
}
function padTo2Digits(num) {
return num.toString().padStart(2, '0');
}
function formatDate(date) {
return [
padTo2Digits(date.getDate()),
padTo2Digits(date.getMonth() + 1),
date.getFullYear(),
].join('.');
}
function findAverage(arr) {
const { length } = arr;
return Math.round(
arr.reduce((acc, val) => {
return acc + val.Value / length;
}, 0)
);
}
function findMin(arr) {
return arr.reduce((min, p) => (p.Value < min ? p.Value : min), arr[0].Value);
}
function findMax(arr) {
return arr.reduce((max, p) => (p.Value > max ? p.Value : max), arr[0].Value);
}
function findDateOfMin(arr) {
return arr.reduce((res, obj) => (obj.Value < res.Value ? obj : res))
.Timestamp;
}
function findDateOfMax(arr) {
return arr.reduce((res, obj) => (obj.Value > res.Value ? obj : res))
.Timestamp;
}
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