[Koha-bugs] [Bug 13415] Prevent librarians from scanning multiple items into a single barcode field

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

http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=13415

--- Comment #1 from Kyle M Hall <kyle at bywatersolutions.com> ---
Created attachment 34202
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http://bugs.koha-community.org/bugzilla3/attachment.cgi?id=34202&action=edit
Bug 13415 - Prevent librarians from scanning multiple items into a single
barcode field

It appears that some librarians will attempt to scan items as fast as
they can without checking to make sure the checkout was submitted and
the page reloaded properly. This can cause multiple barcodes to be
scanned into the barcode field if the person is fast enough.
This causes the checkout of both ( or more! ) items to fail.

Test Plan:
1) Apply this patch
2) Attempt to scan two or more items into the barcode field
   You can emulate this with a keybaord by hitting a few keys, then
   enter, then a few more keys, then enter again. The barcodes don't
   need to be valid for this test.
3) Note the dialog stating the barcode has been submitted and to please
   wait.

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