Lidarr/src/UI/Rename/RenamePreviewCollection.js

'use strict';
define(
    [
        'backbone',
        'Rename/RenamePreviewModel'
    ], function (Backbone, RenamePreviewModel) {
        return Backbone.Collection.extend({
            url  : window.NzbDrone.ApiRoot + '/rename',
            model: RenamePreviewModel,

            originalFetch: Backbone.Collection.prototype.fetch,

            initialize: function (options) {
                if (!options.seriesId) {
                    throw 'seriesId is required';
                }

                this.seriesId = options.seriesId;
                this.seasonNumber = options.seasonNumber;
            },

            fetch: function (options) {
                if (!this.seriesId) {
                    throw 'seriesId is required';
                }

                options = options || {};
                options.data = {};
                options.data.seriesId = this.seriesId;

                if (this.seasonNumber) {
                    options.data.seasonNumber = this.seasonNumber;
                }

                return this.originalFetch.call(this, options);
            }
        });
    });