generate-relation

Option	Description
--parent, --child	The two models
--foreign-key	The column of the child referencing the parent, project_id by default
--through	Many-to-many: the join model
--name	The route segment, books by default
--sqlx, --migration, --timestamps, --openapi, --graphql, database flags, --schema, --output, --force	As for generate-model

# one-to-many: GET /project/{id}/books
octopux generate-relation --parent Project --child Book --sqlx --openapi --sqlite

# many-to-many through ProjectCategory: GET /project/{id}/categories
octopux generate-relation --parent Project --child Category --through ProjectCategory --sqlx --openapi --sqlite

Declare the file with mod project_books; and mount it with .configure(project_books::configure).