69 lines
1.7 KiB
JavaScript
69 lines
1.7 KiB
JavaScript
/* global cdb */
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cdb.admin.ExportMapModel = cdb.core.Model.extend({
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/*
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* Creates an export_visualization job and polls until it finishes.
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* Results in zip download containing visualization metadata + data.
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*/
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urlRoot: '/api/v3/visualization_exports',
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initialize: function (attrs) {
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this._loadAttributes(attrs);
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},
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requestExport: function () {
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this.save(null, { success: this._requestExportSuccessHandler.bind(this) });
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if (window.user_data && window.user_data.email) {
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cdb.god.trigger('metrics', 'export_map', {
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email: window.user_data.email
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});
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} else {
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cdb.god.trigger('metrics', 'export_map_public', {});
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}
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},
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cancelExport: function () {
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this._interrupt();
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},
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_requestExportSuccessHandler: function () {
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this._pollPID = setInterval(function () {
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this.fetch({
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success: this._checkState.bind(this),
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error: this._errorHandler.bind(this)
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});
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}.bind(this), 2000);
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},
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_checkState: function () {
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if (this.get('state') === 'complete') {
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this._finishExport();
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} else if (this.get('state') === 'failure') {
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this._errorHandler();
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}
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},
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_finishExport: function () {
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clearInterval(this._pollPID);
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},
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_errorHandler: function () {
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this._interrupt();
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throw new Error('There is a problem with your export. Please try again.');
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},
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_interrupt: function () {
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clearInterval(this._pollPID);
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},
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_loadAttributes: function (attrs) {
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if (!attrs) throw new Error('no attributes were specified');
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if (!attrs.visualization_id) throw new Error('\'visualization_id\' is required');
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this.visualization_id = attrs.visualization_id;
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}
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});
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