Files
edx-platform/cms/static/js/programs/views/course_run_view.js
2016-08-08 15:04:06 -04:00

114 lines
3.8 KiB
JavaScript

define([
'backbone',
'jquery',
'underscore',
'text!templates/programs/course_run.underscore',
'edx-ui-toolkit/js/utils/html-utils'
],
function(Backbone, $, _, CourseRunTpl, HtmlUtils) {
'use strict';
return Backbone.View.extend({
events: {
'change .js-course-run-select': 'selectRun',
'click .js-remove-run': 'removeRun'
},
tpl: HtmlUtils.template(CourseRunTpl),
initialize: function(options) {
/**
* Need the run model for the template, and the courseModel
* to keep parent view up to date with run changes
*/
this.courseModel = options.courseModel;
this.courseRuns = options.courseRuns;
this.programStatus = options.programStatus;
this.model.on('change', this.render, this);
this.courseRuns.on('update', this.updateDropdown, this);
this.$parentEl = options.$parentEl;
this.render();
},
render: function() {
var data = this.model.attributes;
data.programStatus = this.programStatus;
if (!!this.courseRuns) {
data.courseRuns = this.courseRuns.toJSON();
}
HtmlUtils.setHtml(this.$el, this.tpl(data));
this.$parentEl.append(this.$el);
},
// Delete this view
destroy: function() {
this.undelegateEvents();
this.remove();
},
// Data returned from courseList API is not the correct format
formatData: function(data) {
return {
course_key: data.id,
mode_slug: 'verified',
start_date: data.start,
sku: ''
};
},
removeRun: function() {
// Update run_modes array on programModel
var startDate = this.model.get('start_date'),
courseKey = this.model.get('course_key'),
/**
* NB: cloning the array so the model will fire a change event when
* the updated version is saved back to the model
*/
runs = _.clone(this.courseModel.get('run_modes')),
updatedRuns = [];
updatedRuns = _.reject(runs, function(obj) {
return obj.start_date === startDate &&
obj.course_key === courseKey;
});
this.courseModel.set({
run_modes: updatedRuns
});
this.courseRuns.addRun(courseKey);
this.destroy();
},
selectRun: function(event) {
var id = $(event.currentTarget).val(),
runObj = _.findWhere(this.courseRuns.allRuns, {id: id}),
/**
* NB: cloning the array so the model will fire a change event when
* the updated version is saved back to the model
*/
runs = _.clone(this.courseModel.get('run_modes')),
data = this.formatData(runObj);
this.model.set(data);
runs.push(data);
this.courseModel.set({run_modes: runs});
this.courseRuns.removeRun(id);
},
// If a run has not been selected update the dropdown options
updateDropdown: function() {
if (!this.model.get('course_key')) {
this.render();
}
}
});
}
);