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Metadata: When parsing dates from exiftool, remap year 0 to 1 (#2508)

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Year 0 is frequently used in exiftool but is not accepted in the Go time
package. time package uses year 1 for "zero" dates instead. Therefore,
remap year 0 from exiftool to year 1.
This commit is contained in:
Luca Carlon 2023-06-29 10:36:16 +02:00 committed by GitHub
parent da61515c4a
commit 9a699f234d
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2 changed files with 11 additions and 1 deletions
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9
pkg/txt/datetime.go
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@ -132,8 +132,15 @@ func DateTime(s, timeZone string) (t time.Time) {
}
// Create rounded timestamp from parsed input values.
// Year 0 is treated separately as it has a special meaning in exiftool. Golang
// does not seem to accept value 0 for the year, but considers a date to be
// "zero" when year is 1.
year := IntVal(m[v["year"]], 0, YearMax, time.Now().Year())
if year == 0 {
year = 1
}
t = time.Date(
IntVal(m[v["year"]], 1, YearMax, time.Now().Year()),
year,
time.Month(IntVal(m[v["month"]], 1, 12, 1)),
IntVal(m[v["day"]], 1, 31, 1),
IntVal(m[v["h"]], 0, 23, 0),

3
pkg/txt/datetime_test.go
View file

@ -119,6 +119,9 @@ func TestDateTime(t *testing.T) {
assert.Equal(t, "2020-10-17 17:48:24.9508123 +0000 UTC", result.UTC().String())
assert.Equal(t, "2020-10-17 17:48:24.9508123", result.Format("2006-01-02 15:04:05.999999999"))
})
t.Run("UTC/0000:00:00 00:00:00", func(t *testing.T) {
assert.True(t, DateTime("0000:00:00 00:00:00", "UTC").IsZero())
})
t.Run("2022-09-03T17:48:26-07:00", func(t *testing.T) {
result := DateTime("2022-09-03T17:48:26-07:00", "")
assert.Equal(t, "2022-09-04 00:48:26 +0000 UTC", result.UTC().String())