grafana/public/app/features/panel/panelHelper.js

85 lines
2.4 KiB
JavaScript

define([
'angular',
'lodash',
'kbn',
'jquery',
],
function (angular, _, kbn, $) {
'use strict';
var module = angular.module('grafana.services');
module.service('panelHelper', function(timeSrv) {
this.updateTimeRange = function(scope) {
scope.range = timeSrv.timeRange();
scope.rangeUnparsed = timeSrv.timeRange(false);
this.applyPanelTimeOverrides(scope);
if (scope.panel.maxDataPoints) {
scope.resolution = scope.panel.maxDataPoints;
}
else {
scope.resolution = Math.ceil($(window).width() * (scope.panel.span / 12));
}
scope.interval = kbn.calculateInterval(scope.range, scope.resolution, scope.panel.interval);
};
this.applyPanelTimeOverrides = function(scope) {
scope.panelMeta.timeInfo = '';
// check panel time overrrides
if (scope.panel.timeFrom) {
if (!kbn.isValidTimeSpan(scope.panel.timeFrom)) {
scope.panelMeta.timeInfo = 'invalid time override';
return;
}
if (_.isString(scope.rangeUnparsed.from)) {
scope.panelMeta.timeInfo = "last " + scope.panel.timeFrom;
scope.rangeUnparsed.from = 'now-' + scope.panel.timeFrom;
scope.range.from = kbn.parseDate(scope.rangeUnparsed.from);
}
}
if (scope.panel.timeShift) {
if (!kbn.isValidTimeSpan(scope.panel.timeShift)) {
scope.panelMeta.timeInfo = 'invalid timeshift';
return;
}
var timeShift = '-' + scope.panel.timeShift;
scope.panelMeta.timeInfo += ' timeshift ' + timeShift;
scope.range.from = kbn.parseDateMath(timeShift, scope.range.from);
scope.range.to = kbn.parseDateMath(timeShift, scope.range.to);
scope.rangeUnparsed = scope.range;
}
if (scope.panel.hideTimeOverride) {
scope.panelMeta.timeInfo = '';
}
};
this.issueMetricQuery = function(scope, datasource) {
var metricsQuery = {
range: scope.rangeUnparsed,
interval: scope.interval,
targets: scope.panel.targets,
format: scope.panel.renderer === 'png' ? 'png' : 'json',
maxDataPoints: scope.resolution,
cacheTimeout: scope.panel.cacheTimeout
};
return datasource.query(metricsQuery).then(function(results) {
if (scope.dashboard.snapshot) {
scope.panel.snapshotData = results;
}
return results;
});
};
});
});