Complete Exports in Batches

[evantahler]

This PR replaces the single export.update for a class method ExportOps.complete() accepting an array of Exports. This will speed up writing updates to successful exports.

Checklists

Development

• Application changes have been tested appropriately

Impact

• Code follows company security practices and guidelines
• Security impact of change has been considered
• Performance impact of change has been considered
• Possible migration needs considered (model migrations, config migrations, etc.)

Please explain any security, performance, migration, or other impacts if relevant:

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[teallarson]

Looks like there's some work ongoing with tests.

I did have one question RE: the implementation in the sendExports() method.

[teallarson]

Is this doing the same thing twice? logExport is part of an @AfterUpdate on the Exports model.

[evantahler]

@AfterUpdate only fires after a single-item update. There's @AfterBatchUpdate which happens after these kind of bulk updates, but they don't actually include the rows modified (because they would often be too big to fit in RAM). So, this kind of hack is needed