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var Immutable = require('immutable');
var File = require('./file');
var SummaryPart = require('./summaryPart');
var SummaryArticle = require('./summaryArticle');
var Summary = Immutable.Record({
file: File(),
parts: Immutable.List()
}, 'Summary');
Summary.prototype.getFile = function() {
return this.get('file');
};
Summary.prototype.getParts = function() {
return this.get('parts');
};
/**
Return an article using an iterator to find it
@param {Function} iter
@return {Article}
*/
Summary.prototype.getArticle = function(iter) {
var parts = this.getParts();
return parts.reduce(function(result, part) {
if (result) return result;
return SummaryArticle.findArticle(part, iter);
}, null);
};
/**
Return a part/article by its level
@param {String} level
@return {Article}
*/
Summary.prototype.getByLevel = function(level) {
return this.getArticle(function(article) {
return (article.getLevel() === level);
});
};
/**
Return an article by its path
@param {String} filePath
@return {Article}
*/
Summary.prototype.getByPath = function(filePath) {
return this.getArticle(function(article) {
return (article.getPath() === filePath);
});
};
/**
Create a new summary for a list of parts
@param {Lust|Array} parts
@return {Summary}
*/
Summary.createFromParts = function createFromParts(file, parts) {
parts = parts.map(function(part, i) {
if (part instanceof SummaryPart) {
return part;
}
return SummaryPart.create(part, i);
});
return new Summary({
file: file,
parts: new Immutable.List(parts)
});
};
module.exports = Summary;
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