[Koha-bugs] [Bug 33885] New: Get HTTP 500 when retrieving orders created by a non-existent (deleted) user

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

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33885

            Bug ID: 33885
           Summary: Get HTTP 500 when retrieving orders created by a
                    non-existent (deleted) user
 Change sponsored?: ---
           Product: Koha
           Version: master
          Hardware: All
                OS: All
            Status: NEW
          Severity: major
          Priority: P5 - low
         Component: Acquisitions
          Assignee: koha-bugs at lists.koha-community.org
          Reporter: slavashishkin at gmail.com
        QA Contact: testopia at bugs.koha-community.org
        Depends on: 33293

Problem description:
Occurs for orders where 'created_by' is NULL with the message in log:
  DBIC result _type isn't of the _type Borrower at
/usr/share/koha/lib/Koha/Objects.pm line 463.

This did not occur before in version 22.11 because there was no modal and the
logic was different. Generally, according to the design, it is assumed that
'created_by' can be NULL, for example, due to a constraint that cleans it when
the borrower record is deleted from the database.


Steps to reproduce:

1. Create a superuser.
2. Add an order to the cart as a new user.
3. Delete the new user from the system.
4. Go to the orders section and select an order created by the non-existent
user.
5. Click the "Get Order" button.

Expected behavior:
When attempting to retrieve an order created by a non-existent user, a
confirmation pop-up window should appear for order retrieval.

Actual behavior:
Clicking the "Receive" button results in a JS alert with 'error 500 / The
system is unable to process the request and returns an internal server error'
message.


Referenced Bugs:

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=33293
[Bug 33293] Use template wrapper for tabs: Holds
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