推荐列表增加缓存

app/controllers/admin/forumThread.js

@@ -23,7 +23,8 @@ var forumThreadService = require('../../service/forumThreadService'),
     // var forumLimitActionRefService = require('../../service/forumLimitActionRefService');
     forumLimitOperationService = require('../../service/forumLimitOperationService'),
     forumAboutMEService = require('../../service/forumAboutMEService'),
-    httpService = require('../../service/httpService');
+    httpService = require('../../service/httpService'),
+    redisThreadList = require('../../utils/redisThreadList');
 
 var userUtil = require('../../utils/user');
 var floorGenerator = require('../../utils/floorGenerator');
@@ -1593,6 +1594,8 @@ router.post('/thread/:tid/essence', function(req, res, next) {
                 console.error(err);
                 res.json(returnCode.BUSY);
             } else {
+                //更新推荐列表redis
+                redisThreadList.updateRedisEsenceThreads(ent_code, "", '_thread_essence', function() {});
                 res.json(returnCode.SUCCESS);
             }
         });
@@ -1619,6 +1622,8 @@ router.post('/thread/:tid/unEssence', function(req, res, next) {
                 console.error(err);
                 res.json(returnCode.BUSY);
             } else {
+                //更新推荐列表redis
+                redisThreadList.updateRedisEsenceThreads(ent_code, "", '_thread_essence', function() {});
                 res.json(returnCode.SUCCESS);
             }
         });

app/utils/redisThreadList

+'use strict';
+
+var redis=global.redis;
+var expire = 60*60*3;
+
+//缓存数量
+var ThreadRedisCount = 50;
+
+var _ = require('lodash');
+var then = require('thenjs');
+var forumThreadService=require('../service/forumThreadService');
+var redisPraiseLog=require('./redisPraiseLog');
+var util=require('./util');
+
+function getKey(ent_code,keyID,type){
+	var key = ent_code + keyID + type;
+	return key;
+}
+
+function setToRedis(ent_code,keyID,type,value){
+	var key = getKey(ent_code,keyID,type);
+	if(!redis){
+		console.log('redis error');
+		return 'error'
+	}
+	redis.set(key, value, function(error, res){
+		redis.expire(key, expire);
+		return 'success'
+	});
+}
+
+exports.get=function(ent_code,keyID,type,callback){
+	var key = getKey(ent_code,keyID,type);
+	if(!redis){
+		console.log('redis error');
+		return callback && callback('error');
+	}
+	redis.get(key, function(error, res){
+		if(!res){
+			//不存在，先获取再返回
+			getEsenceThreads(ent_code, keyID, type,function(err){
+				redis.get(key, function(error, res){
+					return callback && callback(error, res.split(","));
+			    });
+			});
+		}else{
+			return callback && callback(error, res);
+		}
+    });
+};
+
+exports.set=function(ent_code,keyID,type,value,callback){
+	var key = getKey(ent_code,keyID,type);
+	if(!redis){
+		console.log('redis error');
+		return callback && callback('error');
+	}
+	redis.set(key, value, function(error, res){
+		redis.expire(key, expire);
+		return callback && callback(error, 'success');
+	});
+};
+
+
+exports.clear = function(ent_code,keyID,type,callback){
+	var key = getKey(ent_code,keyID,type);
+	if(!redis){
+		console.log('redis error');
+		return callback && callback('error');
+	}
+	redis.del(key, function(error, res){
+		return callback && callback(error, !!res);
+    });
+}; 
+
+
+function getEsenceThreads(ent_code,keyID,type,callback){
+    var sort = '-new_recommend_time';
+    var today = new Date();
+    var conditions = {
+        ent_code: ent_code,
+        level: 1,
+        status: 1,
+        new_recommend: 1,
+        $or: [{
+            isEvent: 0
+        }, {
+            isEvent: null
+        }, {
+            isEvent: 1,
+            'event.eventStartTime' : {$lte : today}
+        }]
+    };
+    forumThreadService.getThreadWithNotPopulateComment(conditions, 1, ThreadRedisCount, sort, function(err, results) {
+        if (err) {
+            console.error(err);
+	        callback(err);
+        } else {
+            util.loadLevel(ent_code, results.items, function() {
+                setToRedis(ent_code,keyID,type,JSON.stringify(results));
+                callback(null);
+            });
+        }
+    });
+};
+
+//获取缓存列表
+exports.getRedisEsenceThreads = function(ent_code,keyID,type,callback){
+	var key = getKey(ent_code,keyID,type);
+	getEsenceThreads(ent_code, keyID,type, function(err){
+		redis.get(key, function(error, res){
+			return callback && callback(error, res.split(","));
+	    });
+	});
+};
+
+//更新缓存列表
+exports.updateRedisEsenceThreads = function(ent_code,keyID,type,callback){
+	var key = getKey(ent_code,keyID,type);
+	getEsenceThreads(ent_code, keyID,type, function(err){
+		callback();
+	});
+};
+
+//获取缓存数值
+exports.getThreadRedisCount = function(){
+	// callback(ThreadRedisCount);
+	return ThreadRedisCount;
+};
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