* Clean up references to no longer active `google_analytics_imports` Oban queue
* Stub CSV importer
* Add SiteImport schema
* Rename `Plausible.Imported` module file to match module name
* Add `import_id` column to `Imported.*` CH schemas
* Implement Importer behavior and manage imports state using new entities
* Implement importer callbacks and maintain site.imported_data for UA
* Keep imports in sync when forgetting all imports
* Scope imported data queries to completed import IDs
* Mark newly imported data with respective import ID
* Clean up Importer implementation a bit
* Test querying legacy and new imported data
* Send Oban notifications on import worker failure too
* Fix checking for forgettable imports and remove redundant function
* Fix UA integration test
* Change site import source to atom enum and add source label
* Add typespecs and reduce repetition in `Plausible.Imported`
* Improve documentation and typespecs
* Add test for purging particular import
* Switch email notification templates depending on import source
* Document running import synchronously
* Fix UA importer args parsing and ensure it's covered by tests
* Clear `site.stats_start_date` on complete import to force recalculation
* Test Oban notifications (h/t @ruslandoga)
* Purge stats on import failure right away to reduce a chance of leaving debris behind
* Fix typos
Co-authored-by: hq1 <hq@mtod.org>
* Fix another typo
* Refactor fetching earliest import and earliest stats start date
* Use `Date.after?` instead of `Timex.after?`
* Cache import data in site virtual fields and limit queried imports to 5
* Ensure always current `stats_start_date` is used
* Work around broken typespec in Timex
* Make `SiteController.forget_imported` action idempotent
* Discard irrecoverably failed import tasks
* Use macros for site import statuses
There's also a fix ensuring only complete imports are considered
where relevant - couldn't isolate it as it was in a common hunk
* Use `import_id` as worker job uniqueness criterion
* Do not load imported stats data in plugins API context
---------
Co-authored-by: hq1 <hq@mtod.org>
