81 lines
2.7 KiB
JavaScript
81 lines
2.7 KiB
JavaScript
// Backbone.js Application Collection: Certificates
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define([
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'backbone',
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'gettext',
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'js/certificates/models/certificate'
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],
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function(Backbone, gettext, Certificate) {
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'use strict';
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var CertificateCollection = Backbone.Collection.extend({
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model: Certificate,
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/**
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* It represents the maximum number of certificates that a user can create. default set to 1.
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*/
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maxAllowed: 1,
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initialize: function(attr, options) {
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// Set up the attributes for this collection instance
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this.url = options.certificateUrl;
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this.bind('remove', this.onModelRemoved, this);
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this.bind('add', this.onModelAdd, this);
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},
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certificate_array: function(certificate_info) {
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var return_array;
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try {
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return_array = JSON.parse(certificate_info);
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} catch (ex) {
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// If it didn't parse, and `certificate_info` is an object then return as it is
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// otherwise return empty array
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if (typeof certificate_info === 'object') {
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return_array = certificate_info;
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} else {
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console.error(
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interpolate(
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gettext('Could not parse certificate JSON. %(message)s'), {message: ex.message}, true
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)
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);
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return_array = [];
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}
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}
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return return_array;
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},
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onModelRemoved: function() {
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// remove the certificate web preview UI.
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if (window.certWebPreview && this.length === 0) {
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window.certWebPreview.remove();
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}
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this.toggleAddNewItemButtonState();
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},
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onModelAdd: function() {
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this.toggleAddNewItemButtonState();
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},
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toggleAddNewItemButtonState: function() {
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// user can create a new item e.g certificate; if not exceeded the maxAllowed limit.
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if (this.length >= this.maxAllowed) {
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$('.action-add').addClass('action-add-hidden');
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} else {
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$('.action-add').removeClass('action-add-hidden');
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}
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},
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parse: function(certificatesJson) {
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// Transforms the provided JSON into a Certificates collection
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var modelArray = this.certificate_array(certificatesJson);
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for (var i in modelArray) {
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if (modelArray.hasOwnProperty(i)) {
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this.push(modelArray[i]);
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}
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}
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return this.models;
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}
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});
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return CertificateCollection;
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});
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