inventory.js
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/**
* @fileOverview 管理盘点
* @author qiqi.zhou@yoho.cn
*/
import Base from './base';
import _ from 'lodash';
import {
log, returnProc, tenToHex, hexToTen
}
from '../util';
import info from '../interface';
/**
* @class UHF 读写器的指令操作盘点
* @module lib/directive/Inventory
* @extends {Base}
* @member @see {@link Base}
*/
class Inventory extends Base {
constructor() {
super(null);
let setInventoryTime = info.setInventoryTime.input;
this.reproc[setInventoryTime] = this.preSetInventoryTime;
this.proc = {
startInventory: this.start
};
}
/**
* @method preSetInventoryTime
* @description 预处理设置读写器盘点时长
* @param {Number} param 读写时长 eg .1000 (单位：ms)
* @return {String} 指令
*/
preSetInventoryTime(param) {
let time = tenToHex(param).toLocaleUpperCase();
time = _.padLeft(time, 8, '0');
return info.setInventoryTime.input + time;
}
/**
* @method start
* @description 获取读写器信息返回处理
* @param {Array} data 指令数组
* @param {Connector} client socket客户端
*/
start(data, client) {
let retData = {},
retKey,
returnVal,
retEpc,
ip,
output;
//处理返回结果
if (data[1] !== '2') {
for (let i = 0; i < data.length; i++) {
if (data[i].length < 2 && i > 2) {
data[i] = '0' + data[i];
}
}
retEpc = _.slice(data, 5);
retData = {
ant: Number(data[2]),
rssi: hexToTen(data[3] + data[4], true) / 10,
epc: retEpc.join('')
};
retKey = _.slice(data, 0, 1);
} else {
retKey = data;
}
ip = client.remoteAddress;
output = info.startInventory.output;
returnVal = returnProc(retKey, ip, output);
returnVal.data = retData;
return returnVal;
}
}
/**
* @exports lib/directive/Inventory
*/
export default Inventory;