Repos are generally better since otherwise we end up duplicating things between front-end and API. Types moved to by CONST values within a class for better visibilty of usage and listing of types.  | 
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|---|---|---|
| .. | ||
| BaseRepo.php | ||
| BookRepo.php | ||
| BookshelfRepo.php | ||
| ChapterRepo.php | ||
| PageRepo.php | ||