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// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package qtype_algebra
* @copyright 2017 Jean-Michel Vedrine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
angular.module('mm.addons.qtype_algebra')
/**
* Short answer question handlers.
*
* @module mm.addons.qtype_algebra
* @ngdoc service
* @name $mmaQtypeAlgebraHandler
*/
.factory('$mmaQtypeAlgebraHandler', function($mmUtil) {
var self = {};
/**
* Check if a response is complete.
*
* @param {Object} question Question.
* @param {Object} answers Question answers (without prefix).
* @return {Mixed} True if complete, false if not complete, -1 if cannot determine.
*/
self.isCompleteResponse = function(question, answers) {
return answers['answer'] || answers['answer'] === 0;
};
/**
* Whether or not the module is enabled for the site.
*
* @return {Boolean}
*/
self.isEnabled = function() {
return true;
};
/**
* Check if a student has provided enough of an answer for the question to be graded automatically,
* or whether it must be considered aborted.
*
* @param {Object} question Question.
* @param {Object} answers Question answers (without prefix).
* @return {Mixed} True if gradable, false if not gradable, -1 if cannot determine.
*/
self.isGradableResponse = function(question, answers) {
return self.isCompleteResponse(question, answers);
};
/**
* Check if two responses are the same.
*
* @param {Object} question Question.
* @param {Object} prevAnswers Previous answers.
* @param {Object} newAnswers New answers.
* @return {Boolean} True if same, false otherwise.
*/
self.isSameResponse = function(question, prevAnswers, newAnswers) {
return $mmUtil.sameAtKeyMissingIsBlank(prevAnswers, newAnswers, 'answer');
};
/**
* Get the directive.
*
* @param {Object} question The question.
* @return {String} Directive's name.
*/
self.getDirectiveName = function(question) {
return 'mma-qtype-algebra';
};
return self;
});
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