Add "next" and "previous" to page JSON repr

2 files changed, 20 insertions, 5 deletions

diff --git a/lib/json/encodePage.js b/lib/json/encodePage.js
index d876c78..be92117 100644
--- a/lib/json/encodePage.js
+++ b/lib/json/encodePage.js
@@ -1,3 +1,5 @@
+var encodeSummaryArticle = require('./encodeSummaryArticle');
+
 /**
     Return a JSON representation of a page
 
@@ -10,7 +12,6 @@ function encodePage(page, summary) {
     var attributes = page.getAttributes();
     var article = summary.getByPath(file.getPath());
 
-
     var result = attributes.toJS();
 
     if (article) {
@@ -18,7 +19,15 @@ function encodePage(page, summary) {
         result.level = article.getLevel();
         result.depth = article.getDepth();
 
-        // todo: next and prev
+        var nextArticle = summary.getNextArticle(article);
+        if (nextArticle) {
+            result.next = encodeSummaryArticle(nextArticle);
+        }
+
+        var prevArticle = summary.getPrevArticle(article);
+        if (prevArticle) {
+            result.previous = encodeSummaryArticle(prevArticle);
+        }
     }
 
     result.content = page.getContent();
diff --git a/lib/json/encodeSummaryArticle.js b/lib/json/encodeSummaryArticle.js
index b3f977a..987e44a 100644
--- a/lib/json/encodeSummaryArticle.js
+++ b/lib/json/encodeSummaryArticle.js
@@ -5,7 +5,14 @@
     @param {SummaryArticle}
     @return {Object}
 */
-function encodeSummaryArticle(article) {
+function encodeSummaryArticle(article, recursive) {
+    var articles = undefined;
+    if (recursive !== false) {
+        articles = article.getArticles()
+            .map(encodeSummaryArticle)
+            .toJS();
+    }
+
     return {
         title: article.getTitle(),
         level: article.getLevel(),
@@ -13,8 +20,7 @@ function encodeSummaryArticle(article) {
         anchor: article.getAnchor(),
         url: article.getUrl(),
         path: article.getPath(),
-        articles: article.getArticles()
-            .map(encodeSummaryArticle).toJS()
+        articles: articles
     };
 }