223 lines
7.6 KiB
Common Lisp
223 lines
7.6 KiB
Common Lisp
;; 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 :org.ryuslash.clark)
|
|
|
|
(export '(clark))
|
|
|
|
(defvar *db* nil
|
|
"The database connection.")
|
|
|
|
(defvar *help-messages* nil
|
|
"Help texts for commands.")
|
|
|
|
(defvar *max-command-name-length* 0
|
|
"Length of the longest command name.")
|
|
|
|
(defmacro call-command (name &rest args)
|
|
(let ((command-name (make-command-name (symbol-name name))))
|
|
`(,command-name ,@args)))
|
|
|
|
(defmacro defcommand (name sdoc ldoc &body body)
|
|
"Define a new command usable on the command-line."
|
|
(let* ((sname (symbol-name name))
|
|
(command-name (make-command-name sname)))
|
|
`(progn
|
|
(defun ,command-name (args)
|
|
,sdoc
|
|
,@body)
|
|
(setf *help-messages*
|
|
(nconc *help-messages*
|
|
'((,(string-downcase sname) ,sdoc ,ldoc)))
|
|
*max-command-name-length*
|
|
(max *max-command-name-length* (length ,sname))))))
|
|
|
|
(defconstant *version* "0.1.0"
|
|
"Clark's version.")
|
|
|
|
(defun add-tags (tags)
|
|
"Add tags to the bookmark_tag table and possibly to tag."
|
|
(let ((bookmark-id (last-insert-rowid *db*)))
|
|
(map nil (lambda (tag)
|
|
(let ((tag-id (handler-case (insert-tag tag)
|
|
(sqlite-error () (get-tag-id tag)))))
|
|
(insert-bookmark-tag bookmark-id tag-id))) tags)))
|
|
|
|
(defun ensure-db-exists (name)
|
|
"Connect to the database, possibly creating it."
|
|
(let ((db-exists (probe-file name)))
|
|
(setf *db* (connect name))
|
|
(unless db-exists
|
|
(execute-non-query *db* "CREATE TABLE bookmark (url VARCHAR(255) UNIQUE, date INTEGER, name VARCHAR(255), description TEXT)")
|
|
(execute-non-query *db* "CREATE TABLE tag (name VARCHAR(255) UNIQUE)")
|
|
(execute-non-query *db* "CREATE TABLE bookmark_tag (bookmark_id INTEGER REFERENCES bookmark(rowid), tag_id INTEGER REFERENCES tag(rowid), PRIMARY KEY (bookmark_id, tag_id))"))))
|
|
|
|
(defun get-bookmarks ()
|
|
"Get a list of all bookmarks.
|
|
|
|
The result contains the url, name and the description of the bookmark."
|
|
(execute-to-list *db* "select url, name, description from bookmark"))
|
|
|
|
(defun get-db-location ()
|
|
"Get the location of the database."
|
|
(pathname
|
|
(apply 'concatenate 'string
|
|
(or (sb-ext:posix-getenv "XDG_DATA_HOME")
|
|
(list (sb-ext:posix-getenv "HOME") "/.local/share"))
|
|
'("/clark/bookmarks.db"))))
|
|
|
|
(defun get-tag-id (name)
|
|
"Get the rowid of tag NAME."
|
|
(execute-single *db* "SELECT rowid FROM tag WHERE name = ?" name))
|
|
|
|
(defun help-message ()
|
|
(format t (concatenate
|
|
'string
|
|
"Usage: clark [<command> [<options> ...]]~%"
|
|
"~%"
|
|
"Possible commands:~%"
|
|
"~%"))
|
|
(map nil (lambda (hlp)
|
|
(destructuring-bind (name short long) hlp
|
|
(declare (ignore long))
|
|
(format t " ~vA ~A~%" *max-command-name-length*
|
|
name short))) *help-messages*)
|
|
(format t "~%~A~%"
|
|
(concatenate 'string "Use `clark help <command>' to get more "
|
|
"information on a command.")))
|
|
|
|
(defun insert-bookmark (url name description)
|
|
"Insert URL, NAME and DESCRIPTION into the bookmark table."
|
|
(execute-non-query *db* "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* "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* "INSERT INTO tag VALUES (?)" name)
|
|
(last-insert-rowid *db*))
|
|
|
|
(defun load-db ()
|
|
"Load the database."
|
|
(let ((db-location (get-db-location)))
|
|
(ensure-directories-exist db-location)
|
|
(ensure-db-exists db-location)))
|
|
|
|
(eval-when (:compile-toplevel :load-toplevel)
|
|
(defun make-command-name (base)
|
|
"Turn BASE into the name of a possible command."
|
|
(intern (concatenate 'string (string-upcase base) "-COMMAND")
|
|
:org.ryuslash.clark)))
|
|
|
|
(defun parse-args (args)
|
|
"Parse command-line arguments ARGS.
|
|
|
|
The executable name should already have been removed."
|
|
(let ((cmd-name (make-command-name (car args))))
|
|
(if (fboundp cmd-name)
|
|
(funcall cmd-name (cdr args))
|
|
(progn
|
|
(format t "Unknown command: ~A~%" (car args))
|
|
(call-command help nil)))))
|
|
|
|
(defun print-bookmark (bm)
|
|
"Print information about bookmark BM.
|
|
|
|
BM should be a list containing the url and name of the bookmark."
|
|
(destructuring-bind (url name) bm
|
|
(format t "~A~%~A~%~%" url name)))
|
|
|
|
(defcommand add
|
|
"Add a new bookmark."
|
|
"Usage: clark add <url> <name> <description> [<tags> ...]
|
|
|
|
Add URL with NAME, DESCRIPTION and TAGS to the database. TAGS may be
|
|
omitted or any number of tag names."
|
|
(with-transaction *db*
|
|
(destructuring-bind (url name description &rest tags) args
|
|
(insert-bookmark url name description)
|
|
(add-tags tags))))
|
|
|
|
(defcommand exists
|
|
"Check if a bookmark exists in the database."
|
|
"Usage: clark exists <url>
|
|
|
|
Check if URL exists in the database. Prints `yes' when found and `no'
|
|
otherwise."
|
|
(format t "~:[no~;yes~]~%"
|
|
(execute-single
|
|
*db* "SELECT rowid FROM bookmark WHERE url = ?" (car args))))
|
|
|
|
(defcommand help
|
|
"Show help message."
|
|
help-message
|
|
(if (> (length args) 0)
|
|
(let ((ldoc
|
|
(nth 2 (car (member
|
|
(car args) *help-messages*
|
|
:test #'(lambda (x y) (equal x (car y))))))))
|
|
(cond
|
|
((null ldoc) (format t "Unkown command: ~A~%" (car args)))
|
|
((and (symbolp ldoc) (fboundp ldoc)) (funcall ldoc))
|
|
(t (format t "~A~%" ldoc))))
|
|
(call-command help '("help"))))
|
|
|
|
(defcommand search
|
|
"Search through bookmarks."
|
|
"Usage: clark search <str>
|
|
|
|
Search the database for STR. Matches are made for substrings of a
|
|
bookmark's name or an exact match for a tag."
|
|
(map
|
|
nil (lambda (bm)
|
|
(destructuring-bind (url name description) bm
|
|
(format t "~A~% ~A~% ~A~%~%" url name description)))
|
|
(execute-to-list
|
|
*db* (concatenate 'string
|
|
"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%" (car args)) (car args))))
|
|
|
|
(defcommand version
|
|
"Show version."
|
|
"Usage: clark version
|
|
|
|
Print the version number and exit."
|
|
(declare (ignore args))
|
|
(format t "clark version ~A~%" *version*))
|
|
|
|
(defun clark (args)
|
|
"Main function.
|
|
|
|
Connect to the database, parse command-line arguments, execute and
|
|
then disconnect."
|
|
(load-db)
|
|
(if (> (length args) 1)
|
|
(parse-args (cdr args))
|
|
(map nil #'print-bookmark (get-bookmarks)))
|
|
(disconnect *db*))
|