1 files changed, 17 insertions, 4 deletions
diff --git a/lib/models/summaryPart.js b/lib/models/summaryPart.js
index f7a82ce..f0e6f57 100644
--- a/lib/models/summaryPart.js
+++ b/lib/models/summaryPart.js
@@ -25,11 +25,24 @@ SummaryPart.prototype.getArticles = function() {
 };
 
 /**
-    Create a SummaryPart
+ * 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;
+};
 
-    @param {Object} def
-    @return {SummaryPart}
-*/
+/**
+ * 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) {