Fixes #3 - hack to fix date timezone parsing after export changed

tastypl.go

@@ -376,7 +376,11 @@ func parseDecimal(value string) decimal.Decimal {
 	return d
 }
 
+// More ugliness. TW changed export formats in Apri 2021 (at least). Exporting timezone identifiers instead of numeric is problematic. 
+// What variant of CST is it? Central (Chicago)? China? Cuba? And The local system will decide, even worse.
 const almostRFC3339 = "2006-01-02T15:04:05-0700"
+const anotherAlmostRFC3339 = "2006-01-02T15:04:05.000CDT"
+const andAnotherAlmostRFC3339 = "2006-01-02T15:04:05.000CST"
 
 type position struct {
 	// Opening transaction(s) for this position
@@ -622,6 +626,12 @@ func (p *portfolio) parseTransactions(records [][]string, nofutures bool) {
 
 func (p *portfolio) parseTransaction(i int, rec []string, ytd *bool) *transaction {
 	date, err := time.Parse(almostRFC3339, rec[0])
+	if err != nil {
+		date, err = time.Parse(anotherAlmostRFC3339, rec[0])
+	}
+	if err != nil {
+		date, err = time.Parse(andAnotherAlmostRFC3339, rec[0])
+	}
 	if err != nil {
 		glog.Fatalf("record #%d, bad transaction date: %s", i, err)
 	}
@@ -1533,6 +1543,12 @@ func dumpChart(records [][]string, ytd, nofutures, ignoreacat bool, nocash bool)
 		portfolio.AddTransaction(record)
 		//portfolio.PrintStats()
 		date, err := time.Parse(almostRFC3339, record[0])
+		if err != nil {
+			date, err = time.Parse(anotherAlmostRFC3339, record[0])
+		}			
+		if err != nil {
+			date, err = time.Parse(andAnotherAlmostRFC3339, record[0])
+		}			
 		if err != nil {
 			glog.Fatalf("record #%d, bad transaction date: %s", len(portfolio.transactions), err)
 		}
@@ -1541,6 +1557,12 @@ func dumpChart(records [][]string, ytd, nofutures, ignoreacat bool, nocash bool)
 		// time change so that we have only one data point per timestamp.
 		if i != len(records)-1 {
 			nextDate, err := time.Parse(almostRFC3339, records[i+1][0])
+			if err != nil {
+				date, err = time.Parse(anotherAlmostRFC3339, records[i+1][0])
+			}			
+			if err != nil {
+				date, err = time.Parse(andAnotherAlmostRFC3339, records[i+1][0])
+			}			
 			if err == nil && date.Equal(nextDate) {
 				continue
 			}
@@ -1696,14 +1718,25 @@ func dumpDaily(records [][]string, ytd, nofutures, ignoreacat bool, exportTD boo
 	for i, record := range records {
 		portfolio.AddTransaction(record)
 		date, err := time.Parse(almostRFC3339, record[0])
-
+		if err != nil {
+			date, err = time.Parse(anotherAlmostRFC3339, record[0])
+		}
+		if err != nil {
+			date, err = time.Parse(andAnotherAlmostRFC3339, record[0])
+		}
 		if err != nil {
 			glog.Fatalf("record #%d, bad transaction date: %s", len(portfolio.transactions), err)
 		}
 		// keep processing transactions until we have a
 		// date change so that we have only one data point per day.
 		if i != len(records)-1 {
 			nextDate, err := time.Parse(almostRFC3339, records[i+1][0])
+			if err != nil {
+				nextDate, err = time.Parse(anotherAlmostRFC3339, records[i+1][0])
+			}
+			if err != nil {
+				nextDate, err = time.Parse(andAnotherAlmostRFC3339, records[i+1][0])
+			}
 			if err == nil && date.YearDay() == nextDate.YearDay() {
 				continue
 			}