Files
edx-platform/cms/static/js/models/group_configuration.js
2014-08-22 11:52:35 +03:00

113 lines
3.3 KiB
JavaScript

define([
'backbone', 'underscore', 'underscore.string', 'gettext', 'js/models/group',
'js/collections/group', 'backbone.associations', 'coffee/src/main'
],
function(Backbone, _, str, gettext, GroupModel, GroupCollection) {
'use strict';
_.str = str;
var GroupConfiguration = Backbone.AssociatedModel.extend({
defaults: function() {
return {
name: '',
description: '',
version: null,
groups: new GroupCollection([
{
name: gettext('Group A'),
order: 0
},
{
name: gettext('Group B'),
order: 1
}
]),
showGroups: false,
editing: false,
usage: []
};
},
relations: [{
type: Backbone.Many,
key: 'groups',
relatedModel: GroupModel,
collectionType: GroupCollection
}],
initialize: function() {
this.setOriginalAttributes();
return this;
},
setOriginalAttributes: function() {
this._originalAttributes = this.parse(this.toJSON());
},
reset: function() {
this.set(this._originalAttributes, { parse: true });
},
isDirty: function() {
return !_.isEqual(
this._originalAttributes, this.parse(this.toJSON())
);
},
isEmpty: function() {
return !this.get('name') && this.get('groups').isEmpty();
},
parse: function(response) {
var attrs = $.extend(true, {}, response);
_.each(attrs.groups, function(group, index) {
group.order = group.order || index;
});
return attrs;
},
toJSON: function() {
return {
id: this.get('id'),
name: this.get('name'),
description: this.get('description'),
version: this.get('version'),
groups: this.get('groups').toJSON()
};
},
validate: function(attrs) {
if (!_.str.trim(attrs.name)) {
return {
message: gettext('Group Configuration name is required.'),
attributes: {name: true}
};
}
if (attrs.groups.length < 1) {
return {
message: gettext('There must be at least one group.'),
attributes: { groups: true }
};
} else {
// validate all groups
var invalidGroups = [];
attrs.groups.each(function(group) {
if(!group.isValid()) {
invalidGroups.push(group);
}
});
if (!_.isEmpty(invalidGroups)) {
return {
message: gettext('All groups must have a name.'),
attributes: { groups: invalidGroups }
};
}
}
}
});
return GroupConfiguration;
});