44 lines
1.1 KiB
JavaScript
44 lines
1.1 KiB
JavaScript
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var _ = require('underscore');
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var MetricsModel = require('./metrics-model');
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var MetricsTypes = require('./metrics-types');
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/**
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* Metrics singleton tracker.
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* It sends any event to metrics endpoint.
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*/
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module.exports = (function () {
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return {
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init: function (opts) {
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if (!opts || !opts.configModel) { throw new Error('configModel is required'); }
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this._userId = opts.userId;
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this._visId = opts.visId;
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this._configModel = opts.configModel;
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},
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track: function (eventName, eventProperties) {
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if (!eventName) { throw new Error('eventName is required'); }
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this._checkEventIsConfigured(eventName);
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var metricModel = new MetricsModel({
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eventName: eventName,
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eventProperties: eventProperties
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}, {
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userId: this._userId,
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visId: this._visId,
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configModel: this._configModel
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});
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metricModel.save();
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},
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_checkEventIsConfigured: function (eventName) {
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var allowed = _.values(MetricsTypes);
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if (!_.contains(allowed, eventName)) {
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throw new Error(`"${eventName}" is not an allowed event type`);
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}
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}
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};
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})();
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