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(in-package :org.ryuslash.clark)
(export '(clark))
(defvar *db* nil
"The database connection.")
(defconstant *version* "0.1.0"
"Clark's version.")
(defun check-db (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 and the name of the bookmark."
(let ((statement
(prepare-statement *db* "select url, name from bookmark")))
(loop
while (step-statement statement)
collect (list (statement-column-value statement 0)
(statement-column-value statement 1))
finally (finalize-statement statement))))
(defun help-command (args)
"Show a help message."
(format t (concatenate
'string
"Usage: clark [command [options]...]~%"
"~%"
"Possible commands:~%"
"~%"
"help Display this help and exit~%"
"version Output version information and exit~%")))
(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 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)))
(defun version-command (args)
"Display clark's version number."
(format t "clark version ~A~%" *version*))
(defun clark (args)
"Main function.
Connect to the database, parse command-line arguments, execute and
then disconnect."
(check-db "test2.db")
(if (> (length args) 1)
(let* ((cmd-name (make-command-name (cadr args))))
(when (fboundp cmd-name) (funcall cmd-name (cdr args))))
(map nil #'print-bookmark (get-bookmarks)))
(disconnect *db*))
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