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39 lines
985 B
JavaScript
39 lines
985 B
JavaScript
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/**
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Get the y value of a report data point by its index. Negative indexes start from the end.
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@method reportValueY
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@for Handlebars
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**/
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Handlebars.registerHelper('valueAtDaysAgo', function(property, i) {
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var data = Ember.Handlebars.get(this, property);
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if( data ) {
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var wantedDate = Date.create(i + ' days ago').format('{yyyy}-{MM}-{dd}');
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var item = data.find( function(d, i, arr) { return d.x == wantedDate; } );
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if( item ) {
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return item.y;
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} else {
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return 0;
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}
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}
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});
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/**
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Sum the given number of data points from the report, starting at the most recent.
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@method sumLast
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@for Handlebars
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**/
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Handlebars.registerHelper('sumLast', function(property, numDays) {
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var data = Ember.Handlebars.get(this, property);
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if( data ) {
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var earliestDate = Date.create(numDays + ' days ago');
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var sum = 0;
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data.each(function(d){
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if(Date.create(d.x) >= earliestDate) {
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sum += d.y;
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}
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});
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return sum;
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}
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});
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