nach2/lib/entry-addenda/index.js

nACH is a highly customizable Node.js module exposing a high & low-level API for generating ACH files for use within the ACH network

// Entry

var _ = require('lodash');
var utils = require('./../utils');
var validate = require('./../validate');

var highLevelOverrides = ['addendaTypeCode','paymentRelatedInformation','addendaSequenceNumber','entryDetailSequnceNumber'];

function EntryAddenda(options) {

	// Allow the file header defaults to be overriden if provided
	this.fields = options.fields ? _.merge(options.fields, require('./fields'), _.defaults) : _.cloneDeep(require('./fields'));

	// Set our high-level values
	utils.overrideLowLevel(highLevelOverrides, options, this);
	
	// Some values need special coercing, so after they've been set by overrideLowLevel() we override them
	if(options.paymentRelatedInformation) {
		this.fields.paymentRelatedInformation.value = options.paymentRelatedInformation.slice(0, this.fields.paymentRelatedInformation.width);  
	}
	
	if(options.addendaSequenceNumber) {
		this.fields.addendaSequenceNumber.value = Number(options.addendaSequenceNumber);
	}

	if(options.entryDetailSequnceNumber) {
		this.fields.entryDetailSequnceNumber.value = options.entryDetailSequnceNumber.slice(0-this.fields.entryDetailSequnceNumber.width); // last n digits. pass 
	}

	// Validate required fields have been passed
	this._validate();
	
	return this;
}

EntryAddenda.prototype.generateString = function(cb) {
	utils.generateString(this.fields, function(string) {
		cb(string);
	});
};

EntryAddenda.prototype._validate = function() {
	
	// Validate required fields
	validate.validateRequiredFields(this.fields);

	// Validate the ACH code passed is actually valid
	validate.validateACHAddendaTypeCode(this.fields.addendaTypeCode.value);

	// Validate header field lengths
	validate.validateLengths(this.fields);

	// Validate header data types
	validate.validateDataTypes(this.fields);
};

EntryAddenda.prototype.get = function(category) {
	
	// If the header has it, return that (header takes priority)
	if(this.fields[category]) {
		return this.fields[category]['value'];
	}
};

EntryAddenda.prototype.set = function(category, value) {

	// If the header has the field, set the value
	if(this.fields[category]) {
	  if(category=='entryDetailSequenceNumber') {
		  this.fields[category]['value'] = value.slice(0-this.fields[category].width); // pass last n digits
	  }
    else {
		  this.fields[category]['value'] = value;
    }
  }


};

module.exports = EntryAddenda;