Keep settlement date when parsing files.

batchHeader.go

@@ -179,8 +179,9 @@ func (bh *BatchHeader) Parse(record string) {
 	// 70-75 Date transactions are to be posted to the receivers' account.
 	// You almost always want the transaction to post as soon as possible, so put tomorrow's date in YYMMDD format
 	bh.EffectiveEntryDate = bh.validateSimpleDate(record[69:75])
-	// 76-79 Always blank (just fill with spaces)
-	bh.settlementDate = "   "
+	// 76-78 Always blank if creating batches (just fill with spaces).
+	// Set to file value when parsing. Julian day format.
+	bh.settlementDate = bh.validateSettlementDate(record[75:78])
 	// 79-79 Always 1
 	bh.OriginatorStatusCode = bh.parseNumField(record[78:79])
 	// 80-87 Your ODFI's routing number without the last digit. The last digit is simply a

iatBatchHeader.go

@@ -235,8 +235,8 @@ func (iatBh *IATBatchHeader) Parse(record string) {
 	// 70-75 Date transactions are to be posted to the receivers' account.
 	// You almost always want the transaction to post as soon as possible, so put tomorrow's date in YYMMDD format
 	iatBh.EffectiveEntryDate = iatBh.validateSimpleDate(record[69:75])
-	// 76-79 Always blank (just fill with spaces)
-	iatBh.settlementDate = "   "
+	// 76-78 Always blank (just fill with spaces)
+	iatBh.settlementDate = iatBh.validateSettlementDate(record[75:78])
 	// 79-79 Always 1
 	iatBh.OriginatorStatusCode = iatBh.parseNumField(record[78:79])
 	// 80-87 Your ODFI's routing number without the last digit. The last digit is simply a

validators.go

@@ -496,3 +496,28 @@ func CheckRoutingNumber(routingNumber string) error {
 func (v *validator) roundUp10(n int) int {
 	return int(math.Ceil(float64(n)/10.0)) * 10
 }
+
+func (v *validator) validateSettlementDate(s string) string {
+	emptyField := "   "
+
+	if s == emptyField {
+		return s
+	}
+
+	if len(s) != len(emptyField) {
+		return emptyField
+	}
+
+	day, err := strconv.Atoi(s)
+
+	if err != nil {
+		return emptyField
+	}
+
+	if day < 1 || day > 366 {
+		return emptyField
+	}
+
+	return s
+
+}

validators_test.go

@@ -162,3 +162,27 @@ func TestValidators__isAlphanumeric(t *testing.T) {
 		})
 	}
 }
+
+func TestValidators__validateJulianDay(t *testing.T) {
+	empty := "   "
+	cases := map[string]string{
+		// invalid
+		"":      empty,
+		"   ":   empty,
+		"01":    empty,
+		"01234": empty,
+		"XXX":   empty,
+		"000":   empty,
+		"367":   empty,
+		// valid
+		"001": "001",
+		"020": "020",
+		"366": "366",
+	}
+	v := validator{}
+	for input, valid := range cases {
+		if v.validateSettlementDate(input) != valid {
+			t.Errorf("julian day=%s failed", input)
+		}
+	}
+}