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;;;; -*- coding: utf-8; mode: lisp -*-
;;;; Copyright 2007, Matthias Andreas Benkard.
;;;------------------------------------------------------------------------
;;; This file is part of The Mulkblog Project.
;;;
;;; The Mulkblog Project is free software. You can redistribute it and/or
;;; modify it under the terms of the Affero General Public License as
;;; published by Affero, Inc.; either version 1 of the License, or
;;; (at your option) any later version.
;;;
;;; The Mulkblog Project is distributed in the hope that it will be
;;; useful, but WITHOUT ANY WARRANTY; without even the implied warranty
;;; of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the Affero General Public
;;; License in the COPYING file that comes with The Mulkblog Project; if
;;; not, write to Affero, Inc., 510 Third Street, Suite 225, San
;;; Francisco, CA 94107 USA.
;;;------------------------------------------------------------------------
(in-package #:mulk.journal)
;;; (@* "Class definitions")
(clsql:def-view-class journal-entry ()
((id :db-kind :key
:type integer
:db-constraints :not-null
:accessor id-of
:initarg :id)
(uuid :type (string 36)
:db-constraints :not-null
:accessor uuid-of
:initarg :uuid)
(title :type string
:db-constraints :not-null
:accessor title-of
:initarg :title
:initform "")
(date :type universal-time
:db-constraints :not-null
:accessor date-of
:initarg :date)
(last-modification :type integer
:accessor last-modification-of
:initarg :last-modification
:initform nil)
(body :type string
:db-constraints :not-null
:accessor body-of
:initarg :body
:initform "")
(categories :db-kind :join
:db-constraints :not-null
:accessor categories-of
:initarg :categories
:initform '()
:db-info (:join-class journal-category
:home-key id
:foreign-key entry-id
:set t))
(comments :db-kind :join
:db-constraints :not-null
:accessor %comments-about
:initarg :comments
:db-info (:join-class journal-comment
:home-key id
:foreign-key entry-id
:set t))))
(clsql:def-view-class journal-comment ()
((id :db-kind :key
:type integer
:db-constraints :not-null
:accessor id-of
:initarg :id)
(entry-id :type integer
:db-constraints :not-null
:accessor entry-id-of
:initarg :entry-id)
(entry :db-kind :join
:db-constraints :not-null
:accessor entry-of
:initarg :entries
:db-info (:join-class journal-entry
:home-key entry-id
:foreign-key id
:set nil))
(uuid :type (string 36)
:db-constraints :not-null
:accessor uuid-of
:initarg :uuid)
(date :type universal-time
:db-constraints :not-null
:accessor date-of
:initarg :date)
(body :type string
:db-constraints :not-null
:accessor body-of
:initarg :body
:initform "")
(author :type string
:accessor author-of
:initarg :author
:initform nil)
(email :type string
:accessor email-of
:initarg :email
:initform nil)
(website :type string
:accessor website-of
:initarg :website
:initform nil)
(spam-p :type boolean
:accessor spamp
:initarg :spamp
:initform :spamp)
(submitter-ip :type string
:db-constraints :not-null
:accessor submitter-ip
:initarg :submitter-ip)
(submitter-user-agent :type string
:db-constraints :not-null
:accessor submitter-user-agent
:initarg :submitter-user-agent)))
(clsql:def-view-class journal-category ()
((id :db-kind :key
:type integer
:db-constraints :not-null
:accessor id-of
:initarg :id)
(uuid :type (string 36)
:db-constraints :not-null
:accessor uuid-of
:initarg :uuid)
(entries :db-kind :join
:db-constraints :not-null
:accessor entries-in
:initarg :entries
:initform '()
:db-info (:join-class journal-entry
:home-key id
:foreign-key catogory-ids
:set t))))
;; (@* "Journal entry operations")
(defgeneric comments-about (thing &key ordered-p))
(defgeneric (setf comments-about) (new-value thing &key ordered-p))
(defmethod comments-about ((journal-entry journal-entry) &key ordered-p ham-p)
#.(locally-enable-sql-reader-syntax)
(prog1 (if ordered-p
(if ham-p
(select 'journal-comment
:where [and [= [slot-value 'journal-comment 'entry-id]
(id-of journal-entry)]
[= [slot-value 'journal-comment 'spam-p]
"f"]]
:order-by '([date])
:flatp t)
(select 'journal-comment
:where [= [slot-value 'journal-comment 'entry-id]
(id-of journal-entry)]
:order-by '([date])
:flatp t))
(if ham-p
(comments-about journal-entry :ordered-p t :ham-p t)
(%comments-about journal-entry)))
#.(restore-sql-reader-syntax-state)))
(defmethod (setf comments-about) (new-value
(journal-entry journal-entry)
&key ordered-p)
(declare (ignore ordered-p))
(setf (%comments-about journal-entry) new-value))
(defun make-journal-entry-id ()
#.(locally-enable-sql-reader-syntax)
(prog1
(1+ (or (single-object (select [max [slot-value 'journal-entry 'id]]
:from [journal-entry]
:flatp t))
-1))
#.(restore-sql-reader-syntax-state)))
(defun make-journal-comment-id ()
#.(locally-enable-sql-reader-syntax)
(prog1
(1+ (or (single-object (select [max [slot-value 'journal-comment 'id]]
:from [journal-comment]
:flatp t))
-1))
#.(restore-sql-reader-syntax-state)))
(defun find-entry (number)
#.(locally-enable-sql-reader-syntax)
(prog1
(single-object (select 'journal-entry
:where [= [slot-value 'journal-entry 'id] number]
:flatp t)
nil)
#.(restore-sql-reader-syntax-state)))
(defun journal-markup->html (markup)
(with-result-cache ((format nil "markup-~A" (sxhash markup))
:younger-than (compute-script-last-modified-date))
(if (string= "" markup)
markup
(handler-bind
((error ;; method-call-type-error or not
;; Work around a weird bug in cl-markdown or CLISP. (I
;; don't know which.)
#'(lambda (c)
(declare (ignore c))
#+nil (<:as-html
(with-output-to-string (s)
(system::pretty-print-condition c s)))
(invoke-restart 'return nil))))
(fixup-markdown-output
(with-output-to-string (s)
;; Normally, we shouldn't need to create our own stream to
;; write into, but this is, of course, yet another
;; CLISP/Markdown hack, because Markdown's default
;; *OUTPUT-STREAM* seems to spontaneously close itself, making
;; everything break when Markdown tries to render more stuff.
(markdown (remove #\Return markup) ;<pre/> treats CR, LF as two line breaks. Ouch.
:stream s)))))))
(defun compute-journal-last-modified-date ()
#.(locally-enable-sql-reader-syntax)
(prog1
#-clisp (get-universal-time)
#+clisp
(max (compute-script-last-modified-date)
(or (single-object
(select [max [slot-value 'journal-entry 'last-modification]]
:from [journal-entry]
:flatp t))
0)
(or (single-object
(select [max [slot-value 'journal-entry 'date]]
:from [journal-entry]
:flatp t))
0)
(or (single-object
(select [max [slot-value 'journal-comment 'date]]
:from [journal-comment]
:flatp t))
0))
#.(restore-sql-reader-syntax-state)))
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