trupay/src/trupay.js

Trupay Payment Gateway Api

/* * * * * * * * * * * * * * * * * * * * *
* @Author: Kishan Madhesiya
* @Email: kishanmadhesiya@gmail.com
* @Skype: kishanmadhesiya
* @Client Name: TruPay (Gurgaon India)
* * * * * * * * * * * * * * * * * * * * * */

//-------------Dependencies Packages---------
const async = require('async');
const request = require('request');
const sha512 = require('sha512');

class Trupay {
  constructor(initParams){
    if(!initParams.base_url){
      this.apiUrl = 'https://uat.trupay.in/TruPay/';
    }else{
      this.apiUrl = initParams.base_url;
    }
    this.token = initParams.token;;
    this.salt = initParams.salt;
  }

//---------Function List(API) Start --------------------
   async getOneTimeWebSessionKey(params){
     var validParams = await this.validateParameters(params);
     if(validParams.status){
       var hash =params.MERCH_ORDER_ID+'|'+params.TXN_AMOUNT+'|'+this.salt;
          hash = await sha512(hash);
          hash= hash.toString('hex');
      const options = {
        method: 'POST',
        uri: this.apiUrl+'v1/api/getOneTimeWebSessionKey',
        headers: {
          'Authorization': 'Bearer '+this.token,
          'Content-Type': 'application/json',
          'SecureHash': hash
        },
        body: params,
           json : true
      }
       return await this.apiCall(options);
     }else{
       return validParams;
     }

  }

  async merchantRequestStatus(params){
    var validParams = await this.validateParamsStatus(params);
    if(validParams.status){
      var hash =params.MERCH_ORDER_ID+'|'+params.TXN_ID+'|'+this.salt;
         hash = await sha512(hash);
         hash= hash.toString('hex');
     const options = {
       method: 'POST',
       uri: this.apiUrl+'v1/api/merchantRequestStatus',
       headers: {
         'Authorization': 'Bearer '+this.token,
         'Content-Type': 'application/json',
         'SecureHash': hash
       },
       body: params,
          json : true
     }
      return await this.apiCall(options);
    }else{
      return validParams;
    }

 }

 //---------Function List(API) End --------------------

    apiCall(options){
    return new Promise(function(resolve, reject) {
      request(options,function(error, response, body){
        resolve(response);
      })
    });
    }

//----------Validations Starts ----------------------
   validateParameters(params){
     if(!this.token || !this.salt){
       return {'status':false, 'message':'Token and Salt is required'}
     }else if(params.MERCH_ORDER_ID == null || params.MERCH_ORDER_ID == undefined || params.MERCH_ORDER_ID == '' || params.MERCH_ORDER_ID.length > 50){
      return {'status':false, 'message':'MERCH_ORDER_ID should not be blank and max length should be less than 50.'}
    }else if (params.TXN_AMOUNT == null || params.TXN_AMOUNT == undefined || params.TXN_AMOUNT == '' || params.TXN_AMOUNT.length > 8 || this.checkTwoPlaceDecimal(params.TXN_AMOUNT) !=2) {
      return {'status':false, 'message':'TXN_AMOUNT should not be blank, two place of decimal and max length should be less than 5.'}
    }else if (params.RET_URL_SUCC == null || params.RET_URL_SUCC == undefined || params.RET_URL_SUCC == '' || params.RET_URL_SUCC.length > 300) {
      return {'status':false, 'message':'RET_URL_SUCC should not be blank and max length should be less than 300.'}
    }else {
      return {'status':true,'message': 'All good'}
    }
  }
  validateParamsStatus(params){
    if(!this.token || !this.salt){
      return {'status':false, 'message':'Token and Salt is required'}
    }else if(params.MERCH_ORDER_ID == null || params.MERCH_ORDER_ID == undefined || params.MERCH_ORDER_ID == '' || params.MERCH_ORDER_ID.length > 50){
     return {'status':false, 'message':'MERCH_ORDER_ID should not be blank and max length should be less than 50.'}
   }else if (params.TXN_ID == null || params.TXN_ID == undefined || params.TXN_ID == '' || params.TXN_ID.length > 12) {
     return {'status':false, 'message':'TXN_ID should not be blank and max length should be less than 12.'}
   }else {
     return {'status':true,'message': 'All good'}
   }
 }
  checkTwoPlaceDecimal(value){
    if(Math.floor(value) === value) return 0;
    return value.toString().split(".")[1].length || 0;
  }

//-----------Validations Ends-----------------
}

module.exports = Trupay;