WIP post diffs

src/posts/edit.js

@@ -20,6 +20,7 @@ module.exports = function (Posts) {
 	});
 
 	Posts.edit = function (data, callback) {
+		var oldContent;	// for diffing purposes
 		var postData;
 		var results;
 
@@ -39,6 +40,7 @@ module.exports = function (Posts) {
 				}
 
 				postData = _postData;
+				oldContent = postData.content;
 				postData.content = data.content;
 				postData.edited = Date.now();
 				postData.editor = data.uid;
@@ -63,6 +65,9 @@ module.exports = function (Posts) {
 				results = _results;
 				Posts.setPostFields(data.pid, postData, next);
 			},
+			function (next) {
+				Posts.diffs.save(data.pid, oldContent, data.content, next);
+			},
 			function (next) {
 				postData.cid = results.topic.cid;
 				postData.topic = results.topic;