Adds default file naming utilities in Book model

1 files changed, 52 insertions, 0 deletions

diff --git a/lib/models/book.js b/lib/models/book.js
index cd6cfad..e39897b 100644
--- a/lib/models/book.js
+++ b/lib/models/book.js
@@ -245,6 +245,58 @@ Book.createForFS = function createForFS(fs) {
 };
 
 /**
+    Infers the default extension for files
+    @return {String}
+*/
+Book.prototype.getDefaultExt = function() {
+    // Inferring sources
+    var clues = [
+        this.getReadme(),
+        this.getSummary(),
+        this.getGlossary()
+    ];
+
+    // List their extensions
+    var exts = clues.map(function (clue) {
+        var file = clue.getFile();
+        if (file.exists()) {
+            return file.getParser().getExtensions().first();
+        } else {
+            return null;
+        }
+    });
+    // Adds the general default extension
+    exts.push('.md');
+
+    // Choose the first non null
+    return exts.find(function (e) { return e !== null; });
+};
+
+/**
+    Infer the default path for a Readme.
+    @return {String}
+*/
+Book.prototype.getDefaultReadmePath = function() {
+    return this.getContentRoot()+'README'+this.getDefaultExt();
+};
+
+/**
+    Infer the default path for a Summary.
+    @return {String}
+*/
+Book.prototype.getDefaultSummaryPath = function() {
+    return this.getContentRoot()+'SUMMARY'+this.getDefaultExt();
+};
+
+/**
+    Infer the default path for a Glossary.
+    @return {String}
+*/
+Book.prototype.getDefaultGlossaryPath = function() {
+    return this.getContentRoot()+'GLOSSARY'+this.getDefaultExt();
+};
+
+/**
     Create a language book from a parent
 
     @param {Book} parent