ConstructionCost/modules/main/middleware/system_setting.js

/**
 * Created by zhang on 2020/1/8.
 */

module.exports={
    getSystemSetting,
    rationNumberChecking:rationNumberChecking,
    tenderNumberChecking
};

let mongoose = require("mongoose");
let rationModel = mongoose.model("ration");
const systemSettingModel = mongoose.model('system_setting');
const pmFacade = require('../../pm/facade/pm_facade');

// 获取系统设置，这个系统设置正常情况下有存在session中
async function getSystemSetting() {
    return await systemSettingModel.findOne({}).lean();
}

async function rationNumberChecking(req, res, next) {
    if(req.session.systemSetting){
        let type = req.session.compilationVersion.indexOf("免费") == -1?"professional":"normal";
        let data = req.body.data;
        if(typeof data === 'object'){
            data = JSON.stringify(data);
        }
        data = JSON.parse(data);
        let projectID = data.projectID;
        let no = await rationModel.find({projectID:projectID}).count();
        if(no >= req.session.systemSetting[type].ration){
            let  result = {error:1,message:"您套用定额个数超限，请联系我们的客服人员。"};
            return  res.json(result);
        }
    }
    next();
}

async function tenderNumberChecking(req, res, next) {
    const data = JSON.parse(req.body.data);
    const tenderCount = data.tenderCount;
    if (tenderCount) {
        const tenderOverrun = await pmFacade.isTenderOverrun(tenderCount, req.session);
        if (tenderOverrun) {
            return res.json({
                error: 1,
                message: '您创建的项目个数超限，请联系我们的客服人员，或者导出建设项目保存到本地备份，删除云上数据。'
            });
        }
    }
    next();

}