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;; Copyright (C) 2013 Tom Willemsen <tom at ryuslash dot org>
;; This file is part of CLark
;; CLark is free software: you can redistribute it and/or modify it
;; under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; CLark 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 GNU
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with CLark. If not, see <http://www.gnu.org/licenses/>.
;;; Code:
(in-package :clark)
(defmacro sql (&body body)
(apply 'concatenate 'string
(mapcar (lambda (itm) (format nil "~A " itm)) body)))
(defun bookmark-exists-p (url)
"Check if URL can be found in the database."
(execute-single
*db* (sql select "rowid" from "bookmark" where "url" = ?) url))
(defun bookmark-list ()
"Get a list of all stored bookmarks."
(execute-to-list
*db* (sql select "url, name, description" from "bookmark")))
(defun bookmark-search (name-or-tag)
"Get bookmarks by NAME-OR-TAG."
(execute-to-list
*db* (sql select "url, name, description"
from "bookmark"
where "name" like ?
or ? in (select "name"
from "tag"
join "bookmark_tag" on ("tag_id = tag.rowid")
where "bookmark_id" = "bookmark.rowid"))
(format nil "%~A%" name-or-tag) name-or-tag))
(defun create-table-bookmark ()
"Create the bookmark table."
(execute-non-query
*db* (sql create table "bookmark"
("url" varchar (255) unique\,
"date" integer\,
"name" varchar (255)\,
"description" text))))
(defun create-table-bookmark_tag ()
"Create the bookmark_tag table."
(execute-non-query
*db* (sql create table "bookmark_tag"
("bookmark_id" integer references "bookmark(rowid)"\,
"tag_id" integer references "tag(rowid)"\,
primary key ("bookmark_id"\, "tag_id")))))
(defun create-table-tag ()
"Create the tag table."
(execute-non-query
*db* (sql create table "tag" ("name" varchar (255) unique))))
(defun delete-bookmark (url)
"Delete URL from collection."
(execute-non-query
*db* (sql delete from "bookmark" where "url" = ?) url))
(defun delete-tags (id &optional tags)
"Clear the tags for bookmark with id ID."
(if tags
(map nil
(lambda (tag)
(execute-non-query
*db* (sql delete from "bookmark_tag"
where "bookmark_id" = (select "rowid"
from "bookmark"
where "url" = ?)
and "tag_id" in (select "rowid"
from "tag"
where "name" = ?))
id tag)) tags)
(execute-non-query *db* (sql delete from "bookmark_tag"
where "bookmark_id" = ?) id)))
(defun get-bookmark-id (url)
"Get the id of the bookmark for URL."
(execute-single
*db* (sql select "rowid" from "bookmark" where "url" = ?) url))
(defun get-tag-id (name)
"Get the rowid of tag NAME."
(execute-single
*db* (sql select "rowid" from "tag" where "name" = ?) name))
(defun insert-bookmark (url name description)
"Insert URL, NAME and DESCRIPTION into the bookmark table."
(execute-non-query
*db* (sql insert into "bookmark" values (?\, ?\, ?\, ?))
url (get-universal-time) name description))
(defun insert-bookmark-tag (bookmark-id tag-id)
"Insert BOOKMARK-ID and TAG-ID into the bookmark_tag table."
(execute-non-query
*db* (sql insert into "bookmark_tag" values (?\, ?))
bookmark-id tag-id))
(defun insert-tag (name)
"Insert tag NAME into the database and return its rowid."
(execute-non-query *db* (sql insert into "tag" values (?)) name)
(last-insert-rowid *db*))
(defun url-list (&optional tag)
"Get a list of URLs, possibly with tag TAG."
(if tag
(url-list-for-tag tag)
(url-list-no-tag)))
(defun url-list-for-tag (tag)
"Get a list of all the stored URLs with tag TAG."
(mapcar
#'car
(execute-to-list
*db* (sql select "url"
from "bookmark"
where ? in (select "name"
from "tag"
join "bookmark_tag" on ("tag_id = tag.rowid")
where "bookmark_id" = "bookmark.rowid"))
tag)))
(defun url-list-no-tag ()
"Get a list of all URLs stored."
(mapcar #'car
(execute-to-list
*db* (sql select "url"
from "bookmark"))))
(defun tag-list ()
"Get a list of all tags stored."
(execute-to-list
*db* (sql select "name, COUNT(bookmark_id)"
from "tag"
join "bookmark_tag" on ("tag_id = tag.ROWID")
group by "tag.ROWID"
order by "COUNT(bookmark_id)" desc)))
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