4 files changed, 90 insertions, 2 deletions
diff --git a/lib/cli/buildEbook.js b/lib/cli/buildEbook.js
new file mode 100644
index 0000000..ce1d836
--- /dev/null
+++ b/lib/cli/buildEbook.js
@@ -0,0 +1,76 @@
+var path = require('path');
+var tmp = require('tmp');
+
+var Promise = require('../utils/promise');
+var fs = require('../utils/fs');
+var Parse = require('../parse');
+var Output = require('../output');
+
+var options = require('./options');
+var getBook = require('./getBook');
+
+
+module.exports = function(format) {
+    return {
+        name: (format + ' [book] [output]'),
+        description: 'build a book into an ebook file',
+        options: [
+            options.log
+        ],
+        exec: function(args, kwargs) {
+            // Output file will be stored in
+            var outputFile = args[1] || ('book.' + format);
+
+            // Create temporary directory
+            var outputFolder = tmp.dirSync().name;
+
+            var book = getBook(args, kwargs);
+            var logger = book.getLogger();
+            var Generator = Output.getGenerator('ebook');
+
+            return Parse.parseBook(book)
+            .then(function(resultBook) {
+                return Output.generate(Generator, resultBook, {
+                    root: outputFolder,
+                    format: format
+                });
+            })
+
+            // Extract ebook file
+            .then(function(output) {
+                var book = output.getBook();
+                var languages = book.getLanguages();
+
+                if (book.isMultilingual()) {
+                    return Promise.ForEach(languages, function(lang) {
+                        var langID = lang.getID();
+
+                        var langOutputFile = path.join(
+                            path.dirname(outputFile),
+                            path.basename(outputFile, format) + '_' + langID + format
+                        );
+
+                        return fs.copy(
+                            path.resolve(outputFolder, langID, 'index' + format),
+                            langOutputFile
+                        );
+                    })
+                    .thenResolve(languages.getCount());
+                } else {
+                    return fs.copy(
+                        path.resolve(outputFolder, 'index' + format),
+                        outputFile
+                    ).thenResolve(1);
+                }
+            })
+
+            // Log end
+            .then(function(count) {
+                logger.info.ok(count + ' file(s) generated');
+
+                logger.debug('cleaning up... ');
+                return logger.debug.promise(fs.rmDir(outputFolder));
+            });
+        }
+    };
+};
diff --git a/lib/cli/index.js b/lib/cli/index.js
index bb65578..f1fca1d 100644
--- a/lib/cli/index.js
+++ b/lib/cli/index.js
@@ -1,8 +1,12 @@
+var buildEbook = require('./buildEbook');
 
 module.exports = [
     require('./build'),
     require('./serve'),
     require('./install'),
     require('./parse'),
-    require('./init')
+    require('./init'),
+    buildEbook('pdf'),
+    buildEbook('epub'),
+    buildEbook('mobi')
 ];
diff --git a/lib/models/book.js b/lib/models/book.js
index 693e830..f960df1 100644
--- a/lib/models/book.js
+++ b/lib/models/book.js
@@ -165,7 +165,7 @@ Book.prototype.getPage = function(ref) {
     @return {Boolean}
 */
 Book.prototype.isMultilingual = function() {
-    return (this.getLanguages().getList().size > 0);
+    return (this.getLanguages().getCount() > 0);
 };
 
 /**
diff --git a/lib/models/languages.js b/lib/models/languages.js
index 6c19cba..069c589 100644
--- a/lib/models/languages.js
+++ b/lib/models/languages.js
@@ -35,6 +35,14 @@ Languages.prototype.getLanguage = function(lang) {
     return this.getList().get(lang);
 };
 
+/**
+    Return count of langs
+
+    @return {Number}
+*/
+Languages.prototype.getCount = function() {
+    return this.getList().size;
+};
 
 /**
     Create a languages list from a JS object