Both of these tables might be able to be combined and we could add a stat_type field to discern them.
foreign keys for work_id, fileset_id, and depositor_id will help with summing up counts for aggrigate reporting.
- id
- file_id
- work_id
- fileset_id
- depositor_id
- date
- downloads
- views
- id
- work_id
- depositor_id
- date
- views
- unique_visitors