@midlandsbank/node-nacha/lib/api/calculate.js

NACHA ACH EFT File Parser/Formatter for CCD+ / PPD+ / CTX+

// Generated by CoffeeScript 1.11.1
var calculate;

module.exports = calculate = function(options) {
  var batch, i, j, len, ref, result, results;
  results = {
    footer: {},
    batchFooters: []
  };
  options.seq = {
    entry: 1
  };
  ref = options.ach.batches;
  for (i = j = 0, len = ref.length; j < len; i = ++j) {
    batch = ref[i];
    options.batch = batch;
    result = calculate.batch(options);
    results.batchFooters.push(result.footer);
  }
  result = calculate.file(options);
  results.footer = result.footer;
  return results;
};

calculate.file = function(options) {
  var batch, batchFooter, batchIndex, file, footer, j, len, ref;
  file = options.ach.file;
  footer = {
    recordType: '9',
    batchCount: 0,
    entryAndAddendaCount: 0,
    totalDebit: 0,
    totalCredit: 0,
    entryHash: 0
  };
  ref = options.ach.batches;
  for (batchIndex = j = 0, len = ref.length; j < len; batchIndex = ++j) {
    batch = ref[batchIndex];
    batchFooter = batch.footer;
    footer.batchCount++;
    footer.entryHash += batchFooter.entryHash;
    footer.entryAndAddendaCount += batchFooter.entryAndAddendaCount;
    footer.totalDebit += batchFooter.totalDebit;
    footer.totalCredit += batchFooter.totalCredit;
    if (options.set) {
      batch.num = batchFooter.num = batchIndex + 1;
    }
  }
  footer.lineCount = 2 + (footer.batchCount * 2) + footer.entryAndAddendaCount;
  footer.blockCount = Number(("" + (Math.ceil(footer.lineCount / 10))).slice(-6));
  footer.entryHash = Number(("" + footer.entryHash).slice(-10));
  if (options.set) {
    file.footer = footer;
  }
  return {
    footer: footer
  };
};

calculate.batch = function(options) {
  var addenda, batch, entry, footer, i, j, k, len, len1, ref, ref1, ref2, ref3, ref4, sequence;
  batch = options.batch;
  footer = {
    recordType: '8',
    entryAndAddendaCount: 0,
    totalDebit: 0,
    totalCredit: 0,
    entryHash: 0,
    companyId: batch.companyId,
    serviceClassCode: batch.serviceClassCode,
    originatingDFIIdentification: batch.originatingDFIIdentification
  };
  ref = batch.entries;
  for (j = 0, len = ref.length; j < len; j++) {
    entry = ref[j];
    footer.entryHash += Number(entry.receivingDFIIdentification);
    footer.entryAndAddendaCount += entry.addenda != null ? 2 : entry.addendas != null ? entry.addendas.length + 1 : 1;
    switch (entry.transactionCode[1]) {
      case '7':
      case '8':
        footer.totalDebit += entry.amount;
        if (batch.serviceClassCode == null) {
          batch.serviceClassCode = footer.serviceClassCode = '225';
        } else if (batch.serviceClassCode === '220') {
          batch.serviceClassCode = footer.serviceClassCode = '200';
        }
        break;
      case '2':
      case '3':
        footer.totalCredit += entry.amount;
        if (batch.serviceClassCode == null) {
          batch.serviceClassCode = footer.serviceClassCode = '220';
        } else if (batch.serviceClassCode === '225') {
          batch.serviceClassCode = footer.serviceClassCode = '200';
        }
    }
    if (options.set && (((ref1 = options.seq) != null ? ref1.entry : void 0) != null) && (entry.traceNumber == null)) {
      sequence = ('0000000' + options.seq.entry).slice(-7);
      entry.traceNumber = batch.originatingDFIIdentification + sequence;
    }
    if (options != null) {
      if ((ref2 = options.seq) != null) {
        ref2.entry++;
      }
    }
    if (options.set && ((ref3 = entry.addendas) != null ? ref3.length : void 0) > 0) {
      ref4 = entry.addendas;
      for (i = k = 0, len1 = ref4.length; k < len1; i = ++k) {
        addenda = ref4[i];
        addenda.sequenceNumber = i;
      }
    }
  }
  footer.entryHash = Number(("" + footer.entryHash).slice(-10));
  if (options.set) {
    batch.footer = footer;
  }
  return {
    footer: footer
  };
};