mirror of https://github.com/grafana/grafana.git
99 lines
2.6 KiB
JavaScript
99 lines
2.6 KiB
JavaScript
define([
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'angular',
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'lodash',
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'./editor_ctrl',
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], function (angular, _) {
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'use strict';
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var module = angular.module('grafana.services');
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module.service('annotationsSrv', function($rootScope, $q, datasourceSrv, alertSrv, timeSrv) {
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var promiseCached;
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var list = [];
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var self = this;
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this.init = function() {
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$rootScope.onAppEvent('refresh', this.clearCache, $rootScope);
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$rootScope.onAppEvent('dashboard-initialized', this.clearCache, $rootScope);
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};
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this.clearCache = function() {
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promiseCached = null;
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list = [];
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};
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this.getAnnotations = function(dashboard) {
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if (dashboard.annotations.list.length === 0) {
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return $q.when(null);
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}
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if (promiseCached) {
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return promiseCached;
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}
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self.dashboard = dashboard;
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var annotations = _.where(dashboard.annotations.list, {enable: true});
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var range = timeSrv.timeRange();
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var rangeRaw = timeSrv.timeRange(false);
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var promises = _.map(annotations, function(annotation) {
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if (annotation.snapshotData) {
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self.receiveAnnotationResults(annotation.snapshotData);
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return;
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}
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return datasourceSrv.get(annotation.datasource).then(function(datasource) {
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var query = {range: range, rangeRaw: rangeRaw, annotation: annotation};
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return datasource.annotationQuery(query)
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.then(self.receiveAnnotationResults)
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.then(function(results) {
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if (dashboard.snapshot) {
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annotation.snapshotData = angular.copy(results);
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}
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})
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.then(null, errorHandler);
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}, this);
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});
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promiseCached = $q.all(promises).then(function() {
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return list;
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}).catch(function(err) {
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$rootScope.appEvent('alert-error', ['Annotations failed', (err.message || err)]);
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});
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return promiseCached;
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};
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this.receiveAnnotationResults = function(results) {
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for (var i = 0; i < results.length; i++) {
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self.addAnnotation(results[i]);
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}
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return results;
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};
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this.addAnnotation = function(options) {
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list.push({
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annotation: options.annotation,
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min: options.time,
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max: options.time,
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eventType: options.annotation.name,
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title: options.title,
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tags: options.tags,
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text: options.text,
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score: 1
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});
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};
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function errorHandler(err) {
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console.log('Annotation error: ', err);
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var message = err.message || "Annotation query failed";
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alertSrv.set('Annotations error', message,'error');
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}
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// Now init
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this.init();
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});
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});
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