// readMetaData gets the metadata if it hasn't already been fetched
//
// Sets
// o.id
// o.modTime
// o.size
// o.sha1
func (o *Object) readMetaData() (err error) {
if o.id != "" {
return nil
}
maxSearched := 1
var timestamp api.Timestamp
baseRemote := o.remote
if *b2Versions {
timestamp, baseRemote = api.RemoveVersion(baseRemote)
maxSearched = maxVersions
}
var info *api.File
err = o.fs.list("", fs.MaxLevel, baseRemote, maxSearched, *b2Versions, func(remote string, object *api.File, isDirectory bool) error {
if isDirectory {
return nil
}
if remote == baseRemote {
if !timestamp.IsZero() && !timestamp.Equal(object.UploadTimestamp) {
return nil
}
info = object
}
return errEndList // read only 1 item
})
if err != nil {
if err == fs.ErrorDirNotFound {
return fs.ErrorObjectNotFound
}
return err
}
if info == nil {
return fs.ErrorObjectNotFound
}
return o.decodeMetaData(info)
}
func TestTimestampRemoveVersion(t *testing.T) {
for _, test := range []struct {
in string
expectedT api.Timestamp
expectedRemote string
}{
{"potato.txt", emptyT, "potato.txt"},
{"potato-v1970-01-01-010101-123.txt", t0r, "potato.txt"},
{"potato-v2001-02-03-040506-123", t1, "potato"},
{"-v2001-02-03-040506-123", t1, ""},
{"potato-v2A01-02-03-040506-123", emptyT, "potato-v2A01-02-03-040506-123"},
{"potato-v2001-02-03-040506=123", emptyT, "potato-v2001-02-03-040506=123"},
} {
actualT, actualRemote := api.RemoveVersion(test.in)
assert.Equal(t, test.expectedT, actualT, test.in)
assert.Equal(t, test.expectedRemote, actualRemote, test.in)
}
}