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fix(go/fio): accept 2-digit year format in transparent date parser
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Fio's transparent account page now serves dates as DD.MM.YY (e.g.
07.05.26) rather than the previously expected 4-digit-year format.
Extends parseCzechDate to try all eight layout variants: padded and
non-padded, dot and slash separators, 4-digit and 2-digit years.

Go maps 2-digit year 00-68 → 2000-2068, so 26 → 2026.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Jan Novak
2026-05-07 14:12:34 +02:00
parent 80db33945d
commit b41b8ef29c
2 changed files with 7 additions and 1 deletions
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3
go/internal/io/fio/fio_test.go
View File

@@ -97,6 +97,9 @@ func TestParseCzechDate(t *testing.T) {
{"10/04/2026", "2026-04-10"}, {"10/04/2026", "2026-04-10"},
{"7.5.2026", "2026-05-07"}, // non-padded — real Fio transparent page format {"7.5.2026", "2026-05-07"}, // non-padded — real Fio transparent page format
{"3.12.2025", "2025-12-03"}, // non-padded single-digit day, double-digit month {"3.12.2025", "2025-12-03"}, // non-padded single-digit day, double-digit month
{"07.05.26", "2026-05-07"}, // padded 2-digit year — current Fio transparent page format
{"7.5.26", "2026-05-07"}, // non-padded 2-digit year
{"07/05/26", "2026-05-07"}, // slash variant
{"", ""}, {"", ""},
{"invalid", ""}, {"invalid", ""},
} }

5
go/internal/io/fio/transparent.go
View File

@@ -209,7 +209,10 @@ func hasClass(t ghtml.Token, cls string) bool {
// Returns "" on parse error. // Returns "" on parse error.
func parseCzechDate(s string) string { func parseCzechDate(s string) string {
s = strings.TrimSpace(s) s = strings.TrimSpace(s)
for _, layout := range []string{"2.1.2006", "02.01.2006", "2/1/2006", "02/01/2006"} { for _, layout := range []string{
"2.1.2006", "02.01.2006", "2/1/2006", "02/01/2006",
"2.1.06", "02.01.06", "2/1/06", "02/01/06",
} {
if t, err := time.Parse(layout, s); err == nil { if t, err := time.Parse(layout, s); err == nil {
return t.Format("2006-01-02") return t.Format("2006-01-02")
} }