1 files changed, 11 insertions, 25 deletions
diff --git a/lib/models/summaryArticle.js b/lib/models/summaryArticle.js
index 945a16c..d6cd045 100644
--- a/lib/models/summaryArticle.js
+++ b/lib/models/summaryArticle.js
@@ -39,16 +39,6 @@ SummaryArticle.prototype.getDepth = function() {
 };
 
 /**
-    Return an article by its level
-
-    @param {String} level
-    @return {Article}
-*/
-SummaryArticle.prototype.getByLevel = function(level) {
-    return SummaryArticle.getByLevel(this, level);
-};
-
-/**
     Get path (without anchor) to the pointing file
 
     @return {String}
@@ -131,31 +121,27 @@ SummaryArticle.create = function(def, level) {
 
 
 /**
-    Return an article by its level
+    Find an article from a base one
 
     @param {Article|Part} base
-    @param {String} level
+    @param {Function(article)} iter
     @param {String} method
     @return {Article}
 */
-SummaryArticle.getByLevel = function(base, level, method) {
+SummaryArticle.findArticle = function(base, iter, method) {
     method = method || 'getArticles';
     var articles = base[method]();
-    var levelParts = level.split('.');
-    var baseLevel = levelParts.shift();
 
-    var result = articles.find(function(a) {
-        return a.getLevel() === baseLevel;
-    });
+    return articles.reduce(function(result, article) {
+        if (result) return result;
 
-    if (!result) {
-        return undefined;
-    }
-    if (levelParts.length === 0) {
-        return result;
-    }
+        if (iter(article)) {
+            return article;
+        }
 
-    return SummaryArticle.getByLevel(result, levelParts.join('.'));
+        return SummaryArticle.findArticle(article, iter);
+    }, null);
 };
 
+
 module.exports = SummaryArticle;