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var Immutable = require('immutable');
var SummaryArticle = require('./summaryArticle');
/*
A part represents a section in the Summary / table of Contents
*/
var SummaryPart = Immutable.Record({
level: String(),
title: String(),
articles: Immutable.List()
});
SummaryPart.prototype.getLevel = function() {
return this.get('level');
};
SummaryPart.prototype.getTitle = function() {
return this.get('title');
};
SummaryPart.prototype.getArticles = function() {
return this.get('articles');
};
/**
* Create a new level for a new child article
*
* @return {String}
*/
SummaryPart.prototype.createChildLevel = function() {
var level = this.getLevel();
var subArticles = this.getArticles();
var childLevel = level + '.' + (subArticles.size + 1);
return childLevel;
};
/**
* Create a SummaryPart
*
* @param {Object} def
* @return {SummaryPart}
*/
SummaryPart.create = function(def, level) {
var articles = (def.articles || []).map(function(article, i) {
if (article instanceof SummaryArticle) {
return article;
}
return SummaryArticle.create(article, [level, i + 1].join('.'));
});
return new SummaryPart({
level: String(level),
title: def.title,
articles: Immutable.List(articles)
});
};
module.exports = SummaryPart;
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