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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
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/**
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 * Competency rule config.
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 *
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 * @module     tool_lp/competency_outcomes
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 * @copyright  2015 Frédéric Massart - FMCorz.net
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 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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 */
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define(['jquery',
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        'core/str'],
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        function($, Str) {
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    var OUTCOME_NONE = 0,
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        OUTCOME_EVIDENCE = 1,
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        OUTCOME_COMPLETE = 2,
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        OUTCOME_RECOMMEND = 3;
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    return {
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        NONE: OUTCOME_NONE,
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        EVIDENCE: OUTCOME_EVIDENCE,
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        COMPLETE: OUTCOME_COMPLETE,
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        RECOMMEND: OUTCOME_RECOMMEND,
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        /**
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         * Get all the outcomes.
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         *
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         * @return {Object} Indexed by outcome code, contains code and name.
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         * @method getAll
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         */
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        getAll: function() {
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            var self = this;
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            return Str.get_strings([
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                {key: 'competencyoutcome_none', component: 'tool_lp'},
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                {key: 'competencyoutcome_evidence', component: 'tool_lp'},
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                {key: 'competencyoutcome_recommend', component: 'tool_lp'},
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                {key: 'competencyoutcome_complete', component: 'tool_lp'},
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            ]).then(function(strings) {
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                var outcomes = {};
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                outcomes[self.NONE] = {code: self.NONE, name: strings[0]};
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                outcomes[self.EVIDENCE] = {code: self.EVIDENCE, name: strings[1]};
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                outcomes[self.RECOMMEND] = {code: self.RECOMMEND, name: strings[2]};
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                outcomes[self.COMPLETE] = {code: self.COMPLETE, name: strings[3]};
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                return outcomes;
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            });
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        },
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        /**
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         * Get the string for an outcome.
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         *
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         * @param  {Number} id The outcome code.
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         * @return {Promise} Resolved with the string.
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         * @method getString
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         */
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        getString: function(id) {
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            var self = this,
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                all = self.getAll();
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            return all.then(function(outcomes) {
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                if (typeof outcomes[id] === 'undefined') {
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                    return $.Deferred().reject().promise();
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                }
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                return outcomes[id].name;
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            });
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        }
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    };
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});