categories refactor

src/categories/recentreplies.js

@@ -0,0 +1,62 @@
+
+'use strict';
+
+var async = require('async'),
+	db = require('./../database'),
+	posts = require('./../posts'),
+	topics = require('./../topics'),
+	CategoryTools = require('./../categoryTools');
+
+module.exports = function(Categories) {
+	Categories.getRecentReplies = function(cid, uid, count, callback) {
+		if(count === 0 || !count) {
+			return callback(null, []);
+		}
+
+		CategoryTools.privileges(cid, uid, function(err, privileges) {
+			if(err) {
+				return callback(err);
+			}
+
+			if (!privileges.read) {
+				return callback(null, []);
+			}
+
+			db.getSortedSetRevRange('categories:recent_posts:cid:' + cid, 0, count - 1, function(err, pids) {
+				if (err) {
+					return callback(err, []);
+				}
+
+				if (!pids || !pids.length) {
+					return callback(null, []);
+				}
+
+				posts.getPostSummaryByPids(pids, true, callback);
+			});
+		});
+	};
+
+	Categories.moveRecentReplies = function(tid, oldCid, cid, callback) {
+		function movePost(pid, callback) {
+			posts.getPostField(pid, 'timestamp', function(err, timestamp) {
+				if(err) {
+					return callback(err);
+				}
+
+				db.sortedSetRemove('categories:recent_posts:cid:' + oldCid, pid);
+				db.sortedSetAdd('categories:recent_posts:cid:' + cid, timestamp, pid);
+				callback();
+			});
+		}
+
+		topics.getPids(tid, function(err, pids) {
+			if(err) {
+				return callback(err);
+			}
+
+			async.each(pids, movePost, callback);
+		});
+	};
+};
+
+