[Koha-bugs] [Bug 24643] New: Koha::DateUtils::dt_from_string rfc3339 cannot handle high precision seconds

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=24643

            Bug ID: 24643
           Summary: Koha::DateUtils::dt_from_string rfc3339 cannot handle
                    high precision seconds
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5 - low
         Component: Architecture, internals, and plumbing
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: andrew.isherwood at ptfs-europe.com
        QA Contact: testopia at bugs.koha-community.org

The RFC3339 spec (https://www.ietf.org/rfc/rfc3339.txt) says that the second
component of a date/time can contain fractions of a second, e.g.

2011-10-05T14:48:00.000Z

This is the format returned by Javascript's toISOString() function.
Unfortunately, when dt_from_string encounters a string in this format, it
effectively drops the time component entirely and you end up with:

2011-10-05T00:00:00Z

The problem lies in the regex that attempts to match the string when
dt_from_string is called with the 'rfc3339' parameter. Adding support for
optional fractions is straightforward.

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