1

app/controllers/admin/forumThread.js

@@ -2,9 +2,11 @@
 var express = require('express'),
     router = express.Router(),
     returnCode = require('../../utils/returnCode'),
-    _ = require('lodash');
+    _ = require('lodash'),
+    then = require('thenjs');
 var mongoose = require('mongoose');
-var ForumThread = mongoose.model('ForumThread');
+var ForumThread = mongoose.model('ForumThread'),
+    ForumPVLog = mongoose.model('ForumPVLog');
 var forumThreadService = require('../../service/forumThreadService');
 var forumRolePermissionService = require('../../service/forumRolePermissionService');
 var forumPraiseLogService = require('../../service/forumPraiseLogService');
@@ -13,7 +15,6 @@ var forumCommentService = require('../../service/forumCommentService');
 var forumTagService = require('../../service/forumTagService');
 var forumUserService = require('../../service/forumUserService');
 var forumLimitActionRefService = require('../../service/forumLimitActionRefService');
-
 var httpService = require('../../service/httpService');
 
 var userUtil = require('../../utils/user');
@@ -792,7 +793,142 @@ router.post('/thread/:tid/updateComments', function(req, res, next) {
     // });
 });
 
+var checkOpenIds = function(openIds,openId){
+    var restult = false;
+    for(var i =0;i<openIds.length;i+=1){
+        if(openIds[i] == openId){
+            restult = true;
+            break;
+        } 
+    }
+    return restult;
+};
+var getSubSpreadPaths = function(openIds,c,pvs,cb){
+        c.children = [];
+        for(var i =0;i<pvs.length;i+=1){
+            if(pvs[i].source.uid == c.openId){
+                var flag = false;
+                for(var j =0;j<c.children.length;j+=1){
+                    if(c.children[j].openId == pvs[i].open_id){
+                        flag = true;
+                        break;
+                    } 
+                }
+                if(!flag && !checkOpenIds(openIds,pvs[i].open_id)){
+                    c.children.push({
+                        openId:pvs[i].open_id,
+                        nickName:pvs[i].user.displayName || '未知',
+                        name:pvs[i].user.nickName || '未知'
+                    });
+                    openIds.push(pvs[i].open_id);
+                }
+            } 
+        }
+        var new_pvs = [];
+        for(var i =0;i<pvs.length;i+=1){
+            if(pvs[i].source.uid !== c.openId){
+                new_pvs.push(pvs[i]);
+            } 
+        }
+        pvs = new_pvs;
+        if(c.children.length >0){
+            var thenTask = [];
+            _.forEach(c.children,function(c){
+                thenTask.push(function(scb){
+                    getSubSpreadPaths(openIds,c,pvs,scb);
+                });
+            })
+            then.parallel(thenTask).then(function(cont,childrens){
+                c.children = childrens;
+                cb(null,c);
+            });
+        }else{
+            cb(null,c);
+        }
+};
+// 更新文章评论
+router.get('/thread/:tid/spreadchain', function(req, res, next) {
+    var tid = req.params.tid || null,
+        ent_code = req.session.user.ent_code;
+    var openIds = [];    
+    then.parallel([
+        function(cont){
+            ForumThread.findOne({
+                _id:tid,
+                ent_code:ent_code
+            }).populate('from').exec(function(err,doc){
+                cont(err,doc);
+            });
+        },
+        function(cont){
+            ForumPVLog.find({
+                thread:tid,
+                ent_code:ent_code
+            }).sort('source created').populate('user source').exec(function(err,docs){
+                cont(err,docs);
+            });
+        }
+    ]).then(function(cont,results){
+        var thread = results[0],
+            pvs = results[1];
+
+        var data = {
+            openId:thread.from.uid,
+            name:thread.from.nickName,
+            nickName:thread.from.displayName,
+            children:[]
+        }
+        //获取一级传播
+        for(var i = 0;i<pvs.length;i+=1){
+            var pv = pvs[i];
+            if(!pv.source){
+                var flag = false;
+                for(var j = 0;j<data.children.length;j+=1){
+                    var c = data.children[j];
+                    if(c.openId === pv.open_id){
+                        flag = true;
+                        break;
+                    }
+                }
+                if(!flag && pv.open_id !== data.openId &&  !checkOpenIds(openIds,pv.open_id)){
+                    data.children.push({
+                        openId:pv.open_id,
+                        nickName:pv.user.displayName || '未知',
+                        name:pv.user.nickName || '未知'
+                    });
+                    openIds.push(pv.open_id);    
+                }
+            }
+        } 
+        //获取非一级传播
+        var new_pvs = [];
+        for(var i = 0;i<pvs.length;i+=1){
+            if(pvs[i].source && pvs[i].source.uid !== data.openId && pvs[i].open_id !== data.openId){
+                new_pvs.push(pvs[i]);
+            }
+        }
+        pvs = new_pvs;
+        //递归其他传播
+        var thenTask = [];
+        _.forEach(data.children,function(c){
+            thenTask.push(function(cb){
+                getSubSpreadPaths(openIds,c,pvs,cb);
+            });
+        })
+        then.parallel(thenTask).then(function(cont,childrens){
+            data.children = childrens;
+            var rs = {
+                data:data
+            }    
+            openIds = [];
+            res.json(_.assign(rs, returnCode.SUCCESS));  
+        });
         
+    }).fail(function(cont,err){
+        console.error(err);
+        res.json(returnCode.BUSY);
+    });
+});
 
 
 //给以前的已一级评论添加楼层