搜索帖子评论增加 按指定字段排序

app/controllers/admin/forumThreadManagement.js

@@ -898,7 +898,12 @@ router.get('/threadManagement/threads/:tid/comment/search', function(req, res, n
         mid = req.query.mid,
         floor_start = req.query.floor_start,
         floor_end = req.query.floor_end,
-        content = req.query.content || '';
+        content = req.query.content || '',
+        sortBy = req.query.sort;
+    var sort = {};
+    if(sortBy){
+        sort[sortBy] = -1;
+    }
     var conditions = {
         ent_code: req.session.user.ent_code,
         thread: tid,
@@ -921,7 +926,7 @@ router.get('/threadManagement/threads/:tid/comment/search', function(req, res, n
         };
     }
     if (tid && mid) {
-        forumCommentService.getCommentListByMid(mid, conditions, pageNo, pageSize, function(err, results) {
+        forumCommentService.getCommentListByMidOrderBy(mid, conditions,sort, pageNo, pageSize, function(err, results) {
             if (err) {
                 console.error(err);
                 res.json(returnCode.BUSY);
@@ -930,7 +935,7 @@ router.get('/threadManagement/threads/:tid/comment/search', function(req, res, n
             }
         });
     } else if(tid){
-        forumCommentService.getAllComment(conditions, pageNo, pageSize, function(err, results) {
+        forumCommentService.getAllCommentOrderBy(conditions,sort, pageNo, pageSize, function(err, results) {
             if (err) {
                 console.log(err);
                 res.json(returnCode.BUSY);

app/service/forumCommentService.js

@@ -192,6 +192,40 @@ exports.getAllComment = function(conditions, pageNo, pageSize, callback) {
     });
 };
 
+exports.getAllCommentOrderBy = function(conditions,orderBy, pageNo, pageSize, callback) {
+    countAll(conditions, function(err, count) {
+        if (err) {
+            console.error(err);
+            callback(err, null);
+        } else {
+            var skip = (pageNo - 1) * pageSize;
+            var limit = count - skip > pageSize ? pageSize : (count - skip);
+            var sort = {
+                created:-1
+            };
+            if(orderBy){
+                sort = orderBy;
+            }
+            ForumComment.find(conditions,listCommentFields).populate({
+                path: 'from',
+                select: 'uid mid nickName icon exp honorTitles'
+            }).populate('to','uid mid nickName icon exp').limit(limit).skip(skip).sort(sort).exec(function(err, docs) {
+                if (err) {
+                    console.error(err);
+                    callback(err, null);
+                } else {
+                    var obj = {};
+                    obj.total = count;
+                    obj.pageNo = pageNo;
+                    obj.pageSize = pageSize;
+                    obj.items = docs;
+                    callback(null, obj);
+                }
+            });
+        }
+    });
+};
+
 //评论
 function populateComment(doc, callback) {
     if (doc && doc.comments.length > 0) {
@@ -445,6 +479,54 @@ exports.getCommentListByMid = function(mid,conditions, pageNo, pageSize, callbac
     
 };
 
+exports.getCommentListByMidOrderBy = function(mid,conditions,orderBy, pageNo, pageSize, callback) {
+    //查询到用户
+    forumUserService.searchMembersByMid(mid, function(err, users) {
+        if (err) {
+            console.error(err);
+            callback(err, null);
+        } else {
+            //查询对应用户的文章
+            var user_ids = [];
+            for(var i in users){
+                user_ids.push(users[i]._id);
+            }
+            conditions.from = {
+                $in:user_ids
+            }
+            countAll(conditions, function(err, count) {
+                if (err) {
+                    callback(err);
+                } else {
+                    var skip = (pageNo - 1) * pageSize;
+                    var limit = count - skip > pageSize ? pageSize : (count - skip);
+                    var sort = {
+                        created:-1
+                    };
+                    if(orderBy){
+                        sort = orderBy;
+                    }
+                    ForumComment.find(conditions).populate('from').populate('to').limit(limit).skip(skip).sort(sort).exec(function(err, docs) {
+                        if (err) {
+                            console.error(err);
+                            callback(err, null);
+                        } else {
+                            var obj = {};
+                            obj.total = count;
+                            obj.pageNo = pageNo;
+                            obj.pageSize = pageSize;
+                            obj.items = docs;
+                            callback(null, obj);
+                        }
+                    });
+                }
+            });
+        }
+
+    });
+
+};
+
 exports.getCommentParent = function(cid, callback) {
     ForumComment.findOne({
         comments: {