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var _ = require('lodash');
var csvtojson = require('csvtojson');
var async = require('async');
var uuid = require('node-uuid'); // generate a uuid with "uuid.v1()"
var path = require('path');
var fs = require("fs");
var moment = require('moment');
var helpers = module.exports;
function puts(obj) { console.log(obj); }
function putd(obj) { console.log(obj); }
helpers.puts = puts;
helpers.putd = putd;
helpers.readCsv = function(filedir, filename, callback) {
var Converter=csvtojson.Converter;
var csvFileName=path.join(filedir,filename);
var fileStream=fs.createReadStream(csvFileName);
fileStream.on('error', function(err){
callback(err, null);
});
var param={noheader:true, checkType:false};
var csvConverter=new Converter(param);
csvConverter.on("end_parsed",function(jsonObj){
var returnValue = jsonObj;
callback(null, returnValue);
});
fileStream.on('error', function(err) {
putd(err);
callback(err,"");
});
fileStream.pipe(csvConverter);
}
helpers.getParam = function(csv, matchField, matchValue, returnField) {
dataRow=_.find(csv, matchField, matchValue);
dataValue=dataRow[returnField];
return dataValue;
}
helpers.writeOutput = function(req, filename, jsonOutput, callback) {
try {
fs.writeFileSync(filename, jsonOutput);
}
catch(err){
callback(err);
}
}
helpers.getFileName = function(req, defFilename) {
var fileObj = null;
for (var x=0; x < req.files.length; x++)
{
var fileObj = req.files[x];
if ( fileObj.filename.indexOf(defFilename) != -1 ){
return fileObj.filename;
}
}
return null;
}
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