Tutorial Part 9. Making an application without genpages macro: blog example
Without authentication
(eval-when (:compile-toplevel :load-toplevel :execute)
(asdf:oos 'asdf:load-op :web4r))
(in-package :cl-user)
(defpackage :blog (:use :cl :web4r))
(in-package :blog)
(ele:open-store *example-bdb*)
(defpclass blog ()
((title :length 50)
(body :length 300)))
(defpage blog () (index-page 'blog))
(defpage blog/show (oid) (show-page 'blog oid))
(defpage blog/edit (oid) (edit-page 'blog oid))
(defpage blog/delete (oid) (delete-page 'blog oid))
(start-server)
With authentication
(eval-when (:compile-toplevel :load-toplevel :execute)
(asdf:oos 'asdf:load-op :web4r))
(in-package :cl-user)
(defpackage :blog (:use :cl :web4r))
(in-package :blog)
(ele:open-store '(:BDB "/tmp/db"))
(defpclass blog-user (user)
((email :format :email :unique t)
(blog-title :length 256)))
(defpclass blog ()
((user-oid :index t :hide-for :all)
(title :length 50)
(body :length 300)))
(defun owner-p* (oid)
(owner-p 'blog 'user-oid oid))
(defun owner-check (oid)
(unless (owner-p* oid)
(redirect/error-msgs
(page-uri "blog") "Illegal action")))
(defpage blog (:default)
(index-page 'blog))
(defpage blog/show (oid)
(show-page 'blog oid))
(defpage blog/edit (oid :auth)
(when oid (owner-check oid))
(edit-page 'blog oid :slot-values
`((user-oid . ,(login-user-oid)))))
(defpage blog/delete (oid :auth)
(owner-check oid)
(delete-page 'blog oid))
(start-server)