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import _ from 'underscore';
function sortMetrics(metrics) {
return _.chain(metrics)
.sortBy('title')
.sortBy('weight')
.value();
}
function checkQueryEmptyData(query) {
return {
...query,
result: query.result.filter(timeSeries => {
const newTimeSeries = timeSeries;
const hasValue = series =>
!Number.isNaN(series[1]) && (series[1] !== null || series[1] !== undefined);
const hasNonNullValue = timeSeries.values.find(hasValue);
newTimeSeries.values = hasNonNullValue ? newTimeSeries.values : [];
return newTimeSeries.values.length > 0;
}),
};
}
function removeTimeSeriesNoData(queries) {
return queries.reduce((series, query) => series.concat(checkQueryEmptyData(query)), []);
}
// Metrics and queries are currently stored 1:1, so `queries` is an array of length one.
// We want to group queries onto a single chart by title & y-axis label.
// This function will no longer be required when metrics:queries are 1:many,
// though there is no consequence if the function stays in use.
// @param metrics [Array<Object>]
// Ex) [
// { id: 1, title: 'title', y_label: 'MB', queries: [{ ...query1Attrs }] },
// { id: 2, title: 'title', y_label: 'MB', queries: [{ ...query2Attrs }] },
// { id: 3, title: 'new title', y_label: 'MB', queries: [{ ...query3Attrs }] }
// ]
// @return [Array<Object>]
// Ex) [
// { title: 'title', y_label: 'MB', queries: [{ metricId: 1, ...query1Attrs },
// { metricId: 2, ...query2Attrs }] },
// { title: 'new title', y_label: 'MB', queries: [{ metricId: 3, ...query3Attrs }]}
// ]
function groupQueriesByChartInfo(metrics) {
const metricsByChart = metrics.reduce((accumulator, metric) => {
const { id, queries, ...chart } = metric;
const chartKey = `${chart.title}|${chart.y_label}`;
accumulator[chartKey] = accumulator[chartKey] || { ...chart, queries: [] };
queries.forEach(queryAttrs =>
accumulator[chartKey].queries.push({ metricId: id.toString(), ...queryAttrs }),
);
return accumulator;
}, {});
return Object.values(metricsByChart);
}
function normalizeMetrics(metrics) {
const groupedMetrics = groupQueriesByChartInfo(metrics);
return groupedMetrics.map(metric => {
const queries = metric.queries.map(query => ({
...query,
// custom metrics do not require a label, so we should ensure this attribute is defined
label: query.label || metric.y_label,
result: query.result.map(result => ({
...result,
values: result.values.map(([timestamp, value]) => [
new Date(timestamp * 1000).toISOString(),
Number(value),
]),
})),
}));
return {
...metric,
queries: removeTimeSeriesNoData(queries),
};
});
}
export default class MonitoringStore {
constructor() {
this.groups = [];
this.deploymentData = [];
this.environmentsData = [];
}
storeMetrics(groups = []) {
this.groups = groups.map(group => ({
...group,
metrics: normalizeMetrics(sortMetrics(group.metrics)),
}));
}
storeDeploymentData(deploymentData = []) {
this.deploymentData = deploymentData;
}
storeEnvironmentsData(environmentsData = []) {
this.environmentsData = environmentsData.filter(environment => !!environment.last_deployment);
}
getMetricsCount() {
return this.groups.reduce((count, group) => count + group.metrics.length, 0);
}
}
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