CustomScripts.js

module.exports = {
	intersection: function(array1, array2) {
		var returnedArray = [];
		for (var i = 0; i < array1.length; i++) {
			if(array2.includes(array1[i])){
				returnedArray.push(array1[i]);
			}
		}
		return returnedArray;
	},
	isSubset: function(containingArray, isSubsetArray){
		if(containingArray.length < isSubsetArray.length){
			return false;
		}
		for (var i = 0; i < isSubsetArray.length; i++) {
			if(!containingArray.includes(isSubsetArray[i])){
				return false;
			}
		}

		return true;
	},
	paramsRequire: function(dictionary, array2){
		array1 = Object.keys(dictionary);

		var returnedArray = [];
		for (var i = 0; i < array1.length; i++) {
			if(array2.includes(array1[i])){
				returnedArray.push(array1[i]);
			}
		}

		var params = {};
		for(var x = 0; x < returnedArray.length; x++){
			params[returnedArray[x]] = dictionary[returnedArray[x]];
		}
		return params;
	},
	makeId: function(length){
	    var text = "";
	    var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

	    for( var i=0; i < length; i++ )
	        text += possible.charAt(Math.floor(Math.random() * possible.length));

	    return text;
	}

}

UseCases.js

var companyParamsRequirements = [
      "name",
      "billing_address",
      "billing_zip",
      "billing_city",
      "billing_street",
      "billing_state",
      "billing_suite",
      "contactFirstName",
      "contactLastName",
      "fourDigitPin",
      "numberOfEmployees",
      "contactEmail",
      "showBilling",
      "email",
      "company_name",
      "contactId",
      "phoneNumber",
      "address",
      "suite",
      "state",
      "city",
      "zip",
      "logoURL",
      "rate1",
      "rate2",
      "callingPin",
      "authNetId",
      "held"
    ]

  var allowedParameters = Scripts.paramsRequire(req.body, companyParamsRequirements);
  var company = models.Company.create(allowedParameters).then(function(company){