From b4769c70c4f3bc196595ff9795acc10ca7ddc1a6 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Sun, 6 Oct 2013 02:29:12 +0200
Subject: Move command definitions to separate file

Hoping to keep the clark source file clean.
---
 lisp/commands.lisp | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 lisp/commands.lisp

(limited to 'lisp/commands.lisp')

diff --git a/lisp/commands.lisp b/lisp/commands.lisp
new file mode 100644
index 0000000..dedd46c
--- /dev/null
+++ b/lisp/commands.lisp
@@ -0,0 +1,130 @@
+;; 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)
+
+(defcommand add (url name description &rest tags)
+    "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."
+  (if (not (bookmark-exists-p url))
+      (with-transaction *db*
+        (insert-bookmark url name description)
+        (add-tags (last-insert-rowid *db*) tags))
+      (format t "~A has already been bookmarked~%" url)))
+
+(defcommand edit (url &rest rest)
+    "Edit a bookmark."
+    "Usage: clark edit <url> [--name <name>] \\
+                        [--description <description>]
+
+Edit the information for URL, specifying which part(s) to edit. Each
+option will replace the previous value for that part."
+  (let ((name-lst (member "--name" rest :test #'string=))
+        (desc-lst (member "--description" rest :test #'string=))
+        query qargs)
+    (when name-lst
+      (setf query (concatenate 'string query "name = ? ")
+            qargs (nconc qargs (list (cadr name-lst)))))
+    (when desc-lst
+      (setf query (concatenate 'string query (when qargs ", ")
+                               "description = ? ")
+            qargs (nconc qargs (list (cadr desc-lst)))))
+    (when qargs
+      (apply #'execute-non-query *db*
+             (format
+              nil (sql update "bookmark" set "~A" where "url" = ?) query)
+             (append qargs (list url))))))
+
+(defcommand exists (url)
+    "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~]~%" (bookmark-exists-p url)))
+
+(defcommand help (&optional command)
+    "Show help message."
+    help-message
+  (if command
+      (let ((ldoc
+             (nth 2 (car (member
+                          command *help-messages*
+                          :test #'(lambda (x y) (equal x (car y))))))))
+        (cond
+          ((null ldoc)
+           (with-error-and-help
+               1 "help" "Unknown command: ~a~%" command))
+          ((and (symbolp ldoc) (fboundp ldoc)) (funcall ldoc))
+          (t (format t "~A~%" ldoc))))
+      (call-command help "help")))
+
+(defcommand remove (url)
+    "Remove a bookmark from the database."
+    "Usage: clark remove <url>
+
+Remove URL from the database."
+  (clear-tags url)
+  (delete-bookmark url))
+
+(defcommand search (str)
+    "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 #'print-bookmark (bookmark-search str)))
+
+(defcommand set-tags (url &rest tags)
+    "Set a bookmark's tags."
+    "Usage: clark set-tags <url> [<tags> ...]
+
+Set bookmark URL's tags to the given list, overwriting the previous
+list of tags."
+  (clear-tags url)
+  (add-tags url tags))
+
+(defun random-item (lst)
+  (nth (random (length lst) (make-random-state t)) lst))
+
+(defcommand random (&optional tag)
+  "Pick a random bookmark, possibly from TAG."
+  "Usage: clark random [<tag>]
+
+Get a random bookmark. If TAG is given limit the result to a bookmark
+having the tag TAG."
+  (format t "~a~%" (random-item (url-list tag))))
+
+(defcommand remove-tags (url &rest tags)
+  "Remove given tags from bookmark's tag list."
+  "Usage: clark remove-tags <url> [<tags> ...]
+
+Remove the given TAGS from URL's tag list. If no tags are given,
+remove all tags from bookmark."
+  (delete-tags url tags))
+
+(defcommand version ()
+    "Show version."
+    "Usage: clark version
+
+Print the version number and exit."
+  (format t "clark version ~A~%" version))
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