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var _ = require('lodash');
var Q = require('q');
var path = require('path');
var Book = require('./book');
var fs = require('./utils/fs');
// Initialize folder structure for a book
// Read SUMMARY to created the right chapter
function initBook(root, opts) {
var book = new Book(root, opts);
var extensionToUse = '.md';
var chaptersPaths = function(chapters) {
return _.reduce(chapters || [], function(accu, chapter) {
var o = {
title: chapter.title
};
if (chapter.path) o.path = chapter.path;
return accu.concat(
[o].concat(chaptersPaths(chapter.articles))
);
}, []);
};
book.log.info.ln('init book at', root);
return fs.mkdirp(root)
.then(function() {
book.log.info.ln('detect structure from SUMMARY (if it exists)');
return book.parseSummary();
})
.fail(function() {
return Q();
})
.then(function() {
var summary = book.summaryFile || 'SUMMARY.md';
var chapters = book.summary.chapters || [];
extensionToUse = path.extname(summary);
if (chapters.length === 0) {
chapters = [
{
title: 'Summary',
path: 'SUMMARY'+extensionToUse
},
{
title: 'Introduction',
path: 'README'+extensionToUse
}
];
}
return Q(chaptersPaths(chapters));
})
.then(function(chapters) {
// Create files that don't exist
return Q.all(_.map(chapters, function(chapter) {
if (!chapter.path) return Q();
var absolutePath = path.resolve(book.root, chapter.path);
return fs.exists(absolutePath)
.then(function(exists) {
if(exists) {
book.log.info.ln('found', chapter.path);
return;
} else {
book.log.info.ln('create', chapter.path);
}
return fs.mkdirp(path.dirname(absolutePath))
.then(function() {
return fs.writeFile(absolutePath, '# '+chapter.title+'\n');
});
});
}));
})
.then(function() {
book.log.info.ln('initialization is finished');
});
}
module.exports = initBook;
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