Merge branch 'master' of git.dev.yoho.cn:web/rfid-sdk

Conflicts:
	src/index.js

@@ -334,14 +334,14 @@ var ants = [
         readerId: 11,
         groupId: 8,
         nPower: 15
-    }/*,
+    },
     {
         id: 31,
         antId: 0,
         readerId: 12,
         groupId: 12,
         nPower: 15
-    }*/
+    }
 ];
 
 // 获取读写器配置

@@ -35,7 +35,7 @@ r.on('error', function(err)
 function main()
 {
     // 读取配置文件
-    var host = '172.16.13.59',
+    var host = '172.16.13.95',
         port = 12345;
 
 
@@ -167,11 +167,10 @@ function connectReader(host, port, filter, frequency, inventoryTime, antStayTime
         antStayTime: antStayTime,
         power: power,
         group: group
-    }, function (connected, dat) {
-        //console.log(dat);
+    }, function (connected, onTags, goneTags) {
+
         var onEpcs = [],
-            offEpcs = [],
-            redisEpcs = [];
+            offEpcs = [];
 
         // 获取redis中指定组在架标签数据
         r.hget(group, 'on', function(err, epcs)
@@ -184,7 +183,45 @@ function connectReader(host, port, filter, frequency, inventoryTime, antStayTime
             {
                 try
                 {
-                    redisEpcs = JSON.parse(epcs);
+                    var redisEpcs = JSON.parse(epcs);
+
+                    // 处理在架标签
+                    _.forEach(redisEpcs, function(item){
+                        if(item.speed > 2 && item.host != host && _.findWhere(onTags, {epc: item.epc}) === undefined){
+                            onEpcs.push({
+                                GroupID: item.group,
+                                EPC: item.epc,
+                                updateTime: item.updateTime
+                            });
+                        }
+                    });
+                    _.forEach(onTags, function(item){
+                        onEpcs.push({
+                            GroupID: item.group,
+                            EPC: item.epc,
+                            updateTime: item.updateTime
+                        });
+                    });
+
+                    // 处理离架标签
+                    _.forEach(goneTags, function(goneEpc){
+                        if(!goneEpc || _.findWhere(redisEpcs, {epc: goneEpc.epc}) === undefined){
+                            offEpcs.push({
+                                GroupID: goneEpc.group,
+                                EPC: goneEpc.epc,
+                                updateTime: goneEpc.updateTime
+                            });
+                        }
+                    });
+
+                    r.hset(group, 'on', JSON.stringify(onEpcs), function(){});
+                    r.hset(group, 'off', JSON.stringify(offEpcs), function(){});
+
+                    if(connected){
+                        callback(null, connected);
+                    }else{
+                        callback(new Error('连接读写器'+host+'错误'), connected);
+                    }
                 }
                 catch(er)
                 {
@@ -193,36 +230,6 @@ function connectReader(host, port, filter, frequency, inventoryTime, antStayTime
             }
         });
 
-        _.forEach(dat, function(item){
-
-            if(item.state == 'on' && item.speed > 2 && !_.findWhere(redisEpcs, {EPC: item.epc}))
-            {
-                onEpcs.push({
-                    EPC: item.epc,
-                    GroupID: group,
-                    updateTime: item.updateTime
-                });
-            }
-
-            if(item.state == 'off' && !_.findWhere(redisEpcs, {EPC: item.epc}))
-            {
-                offEpcs.push({
-                    EPC: item.epc,
-                    GroupID: group,
-                    updateTime: item.updateTime
-                });
-            }
-        });
-
-        r.hset(group, 'on', JSON.stringify(onEpcs.concat(redisEpcs)), function(){});
-        r.hset(group, 'off', JSON.stringify(offEpcs), function(){});
-
-        if(connected){
-            callback(null, connected);
-        }else{
-            callback(new Error('连接读写器'+host+'错误'), connected);
-        }
-
     });
 }
 

@@ -185,14 +185,14 @@ export let stopInventory = function(connector) {
 let isStop = false;
 
 export let start = function(options, callback) {
-    var rets = [];
-    var countMap = {};
+    var lastRets = [],
+        rets = [],
+        goneRets = [];
     open(options.host, options.port, function(err, connector) {
         if (!options.filter || !options.frequencys || !options.inventoryTime || !options.power || !options.antStayTime) {
             let error = new Error('Error：灵敏度，定频，盘点时长，功率必须要传！');
             callback(error);
         }
-
         //开启灵敏度过滤
         setFilter(connector, options.filter);
         //设置天线驻留时长
@@ -215,11 +215,23 @@ export let start = function(options, callback) {
 
         connector.on('startInventory', function(data) {
             if (data.code !== 2 && !isStop) {
+
+                if (lastRets.length === 0) {
+                    lastRets = rets;
+                } else {
+                    var compResults = compTags(lastRets, rets, goneRets);
+                    lastRets = compResults.last;
+                    goneRets = compResults.gone;
+                }
+
+                callback(connector.connected, rets, goneRets);
+
+                rets = [];
+                goneRets = [];
                 startInventory(connector);
             } else if (data.code === 2) {
-                rets = procTagInfo(countMap, rets, data.data);
+                rets = procTagInfo(rets, data.data, options.group, options.host);
             }
-            callback(null, rets);
         });
     });
 };
@@ -234,37 +246,77 @@ export let stop = function() {
 };
 
 /**
+ * 当前盘点到的标签与上次标签对比函数
+ * @param {Array} lastRets 上次盘点结果集
+ * @param {Array} rets 盘点结果集
+ * @param {Array} goneRets 离架标签结果集
+ * @return {Object} result 包含上次盘点结果集和离架标签结果集的对象
+ */
+function compTags(lastRets, rets, goneRets) {
+    var result = {
+        last: [],
+        gone: []
+    };
+
+    for (var i = 0; i < lastRets.length; i++) {
+        var item = lastRets[i];
+        var checkedItem = _.findWhere(rets, {
+            epc: item.epc
+        });
+        if (checkedItem === undefined) { // 上次盘点数据不包含在此次数据中
+            if (item.speed > 1)
+                goneRets.push(item);
+        } else {
+            lastRets[i] = checkedItem;
+        }
+    }
+
+    for (var j = 0; j < rets.length; j++) {
+        var ele = rets[j];
+        if (!_.findWhere(lastRets, {
+                epc: ele.epc
+            })) {
+            lastRets.push(ele);
+        }
+    }
+
+    result.last = lastRets;
+    result.gone = goneRets;
+
+    return result;
+}
+
+/**
  * 标签处理
  * @method procTagInfo
- * @param {Object} countMap 标签读取的次数
  * @param {Array} rets 盘点结果集
  * @param {Object} data 读取一次的内容
+ * @param {Number} group 标签所属的群组
+ * @param {String} host 读写器IP
  */
-function procTagInfo(countMap, rets, data) {
-    let isExist = false,
-        now = 1 * new Date();
-    for (var i = 0; i < rets.length; i++) {
-        for (var j = 0; j < data.length; j++) {
-            if (rets[i].epc === data[j].epc) {
-                rets[i].rssi = data[j].rssi;
-                rets[i].updateTime = now;
-                rets[i].state = 'on';
-                rets[i].ant = data[j].ant;
-                countMap[rets[i].epc] ++;
-                isExist = true;
-            }
+function procTagInfo(rets, data, group, host) {
+    var now = 1 * new Date();
+
+    for (var j = 0; j < data.length; j++) {
+        var item = data[j];
+        var checkedItem = _.findWhere(rets, {
+            epc: item.epc
+        });
+        if (checkedItem === undefined) {
+            rets.push({
+                epc: item.epc,
+                rssi: item.rssi,
+                ant: item.ant,
+                group: group,
+                host: host,
+                speed: 1,
+                updateTime: now
+            });
+        } else {
+            checkedItem.speed++;
         }
     }
-    if (!isExist) {
-        _.map(data, function(item) {
-            item.updateTime = now;
-            item.state = 'on';
-            item.speed = 0;
-            countMap[item.epc] = 1;
-        });
 
-        rets = rets.concat(data);
-    }
     return rets;
 }
 

@@ -75,6 +75,7 @@ export let returnProc = function (data, ip, output) {
     }
 
     let ret = data.join('');
+    console.log(ret);
     if (!output[ret]) {
         return false;
     }