loopback-component-package/crontasks.js

Package/Pricing management for loopback API server

var later = require('later');
module.exports = function(loopbackApp){
    var runHouseKeeper = function(){
        var PackageUsage = loopbackApp.models.PackageUsage;
        console.log('crontask started running ...... ');
        PackageUsage.find({filter:{where:{isActive:true},include:['package']}}).then(function(usages){
            return Promise.all(usages.filter(function(usage){
                if(usage.usage >= usage.limit){
                    return true
                }
                return false;
            }).map(function(usage){
                return usage.updateAttribute("isActive",false);
            })).then(function(usages){
                console.log('crontask finished running');
                return null;
            }).catch(function(err){
                console.log('error doing package housekeeping',err);
            })
        })
    }

    var setupPeriods= function(periods){
        periods = periods||[];
        for(var i=0;i<periods.length;i++){
            switch(periods[i]){
                case 'every-minute':
                    var sched = later.parse.recur().every(1).minute();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                case 'daily':
                    var sched = later.parse.recur().on('00:00:00').time();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                case 'weekly':
                    var sched = later.parse.recur().on('00:00:00').time().last().dayOfWeek();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                case 'monthly':
                    var sched = later.parse.recur().on('00:00:00').time().last().dayOfMonth();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                case 'semiyearly':
                    var sched = later.parse.recur().on('00:00:00').time().on(183).dayOfYear();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                case 'yearly':
                    var sched = later.parse.recur().on('00:00:00').time().last().dayOfYear();
                    later.setInterval(runHouseKeeper, sched);
                    break;
                default:
                    //do nothing
                    break;
            }
        };
    }

    return {
        setupPeriods:setupPeriods
    }
}