deleting and restoring posts and topics now update the corresponding RSS feeds

fixed #257

src/feed.js

@@ -46,6 +46,7 @@
 			if (topicData.main_posts.length > 0) feed.pubDate = new Date(parseInt(topicData.main_posts[0].timestamp, 10)).toUTCString();
 
 			for (var i = 0, ii = topic_posts.length; i < ii; i++) {
+				if (topic_posts[i].deleted === '0') {
 					postData = topic_posts[i];
 					dateStamp = new Date(parseInt(postData.edited === '0' ? postData.timestamp : postData.edited, 10)).toUTCString();
 					title = 'Reply to ' + topicData.topic_name + ' on ' + dateStamp;
@@ -58,6 +59,7 @@
 						date: dateStamp
 					});
 				}
+			}
 
 			Feed.saveFeed('feeds/topics/' + tid + '.rss', feed, function(err) {
 				if (callback) callback();

src/postTools.js

@@ -11,7 +11,8 @@ var	RDB = require('./redis.js'),
 	postSearch = reds.createSearch('nodebbpostsearch'),
 	topicSearch = reds.createSearch('nodebbtopicsearch'),
 	winston = require('winston'),
-	meta = require('./meta.js');
+	meta = require('./meta.js'),
+	Feed = require('./feed');
 
 (function(PostTools) {
 	PostTools.isMain = function(pid, tid, callback) {
@@ -138,6 +139,8 @@ var	RDB = require('./redis.js'),
 						});
 					}
 				});
+
+				Feed.updateTopic(postData.tid);
 			});
 		};
 
@@ -174,6 +177,8 @@ var	RDB = require('./redis.js'),
 						}
 					});
 
+					Feed.updateTopic(postData.tid);
+
 					postSearch.index(postData.content, pid);
 				});
 			};

src/topics.js

@@ -749,6 +749,10 @@ var	RDB = require('./redis.js')
 	Topics.delete = function(tid) {
 		Topics.setTopicField(tid, 'deleted', 1);
 		RDB.zrem('topics:recent', tid);
+
+		Topics.getTopicField(tid, 'cid', function(err, cid) {
+			feed.updateCategory(cid);
+		});
 	}
 
 	Topics.restore = function(tid) {
@@ -756,6 +760,10 @@ var	RDB = require('./redis.js')
 		Topics.getTopicField(tid, 'lastposttime', function(err, lastposttime) {
 			RDB.zadd('topics:recent', lastposttime, tid);
 		});
+
+		Topics.getTopicField(tid, 'cid', function(err, cid) {
+			feed.updateCategory(cid);
+		});
 	}
 
 	Topics.reIndexTopic = function(tid, callback) {