102 lines
2.1 KiB
JavaScript
102 lines
2.1 KiB
JavaScript
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/**
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* Model to poll the number of users who are
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* editing the current visualization at the
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* same time.
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*
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* - It needs a visualization model.
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*
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*/
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cdb.admin.WatchingNotifierModel = cdb.core.Model.extend({
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_INTERVAL: 30000, // in milliseconds
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_FIRST_TRY: 3000, // in milliseconds
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defaults: {
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users: []
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},
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url: function(method) {
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var version = cdb.config.urlVersion('watching', method);
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return '/api/' + version + '/viz/' + this.vis.get('id') + '/watching'
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},
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initialize: function(attrs, opts) {
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// If there is no vis defined :() -> HORROR!
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if (!opts.vis) {
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cdb.log.info('There is no vis defined')
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}
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// Interval change?
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if (opts.interval) {
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this._INTERVAL = (opts.interval/2) * 1000;
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}
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this.vis = opts.vis;
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this.set('id', this.vis.get('id'));
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this._initBinds();
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this._checkPermissions();
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},
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_initBinds: function() {
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_.bindAll(this, '_fetchModel');
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this.vis.bind('change:id', this._checkPermissions, this);
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},
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_checkPermissions: function() {
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var self = this;
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if (this.vis.permission && !this.vis.isVisualization()) {
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var perm = this.vis.permission;
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if (perm.acl.size() > 0) {
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setTimeout(function() {
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self._fetchModel()
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self.pollCheck();
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}, self._FIRST_TRY);
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} else {
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this.destroyCheck();
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}
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} else {
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this.destroyCheck();
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}
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},
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_fetchModel: function() {
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var self = this;
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this.save({
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success: function() {
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self.trigger('change');
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},
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error: function(e) {
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self.destroyCheck();
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}
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});
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},
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/**
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* checks for poll to check
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*/
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pollCheck: function(i) {
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var self = this;
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this.pollTimer = setInterval(function() {
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self._fetchModel();
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}, i || this._INTERVAL );
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},
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destroyCheck: function() {
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clearInterval(this.pollTimer);
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this.set('users', []);
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},
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// Parse users result
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parse: function(r) {
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return { users: r }
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}
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});
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