Ratpack Context Registry Interop

ratpack.groovy

import static ratpack.groovy.Groovy.ratpack

class PageModel {
    Integer page
    Integer pageSize
    Integer evaluatedPageSize
}

ratpack {
    
    bindings {
        module(JacksonModule)
        bind(PersistenceService, DefaultPersistenceService)
    }

    handlers {
        all { PersistenceService persistenceService ->
            Integer page = request.queryParams.page as Integer ?: 1 
            Integer pageSize = request.queryParams.pageSize as Integer ?: persistenceServiceConfig.maxResultSizePerPage 
            Integer evaluatedPageSize = pageSize <= persistenceServiceConfig.maxResultSizePerPage ? pageSize : persistenceServiceConfig.maxResultSizePerPage 
            context.next(new PageModel(page: page, pageSize: pageSize, evaluatedPageSize: evaluatedPageSize))
        }

        all { PersistenceService persistenceService ->
            byMethod {
                get { PageModel pageModel ->
                    persistenceService.getPeople(pageModel.page, pageModel.evaluatedPageSize).toList().subscribe() { List<Person> people -> 
                        render json(people) 
                    } 
                }
                post {
                    def form = parse(Form) 
                    persistenceService 
                      .insertPerson(form) 
                      .subscribe { Person person -> 
                        redirect "/person/${person.id}" 
                      } 
                }

            }
        }

        get("in/:postalCode") { PersistenceService persistenceService, PageModel pageModel ->
          String postalCode = pathTokens.postalCode 
          persistenceService.getPeopleInPostalCode(postalCode, pageModel.page, pageModel.evaluatedPageSize).toList().subscribe() { List<Person> people -> 
            render json(people) 
          } 
        } 

    }
}