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tinmop/scripts/delete-old-posts.lisp

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Common Lisp
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2021-10-15 13:59:06 +02:00
;; delete old posts from the server (script for for tinmop)
;; Copyright © 2021 cage
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;; usage: tinmop -e delete-old-posts.lisp and follow instructions
;; IMPORTANT NOTE: this script will *permanently delete* the messages
;; (aka, post or toot) from your server beyond any recovering! Use
;; with caution!
;; after configuring tinmop (https://www.autistici.org/interzona/tinmop.html)
;; tinmop -e delete-old-post.lisp
(in-package :scripts)
(defparameter *min-past-date* nil)
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(defparameter *date-delete-treshold* nil)
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(defun decode-post-date (post)
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(multiple-value-bind (x y z day month year)
(decode-universal-time (tooter:created-at post) 0)
(declare (ignore x y z))
(format nil
"~a-~2,'0d-~2,'0d"
year month day)))
(defun date>= (a b)
(string>= a b))
(defun date< (a b)
(string< a b))
(defun list-posts (min-past-date show-progress &optional (max-id nil) (accum ()))
(let* ((username (swconf:config-username))
(user-id (db:acct->id username))
(timeline-type (ui::timeline->kind db:+home-timeline+))
(posts (api-client:get-timeline timeline-type
:local t
:max-id max-id
:limit 10))
(sorted-posts (api-client:sort-id< posts))
(min-post-id (tooter:id (first sorted-posts)))
(min-post-date (decode-post-date (first sorted-posts)))
(my-posts (remove-if-not (lambda (a)
(string= (tooter:id (tooter:account a))
user-id))
posts)))
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(if (and posts
(date>= min-post-date min-past-date))
(progn
(when show-progress
(format t "downloaded until ~a~%" min-post-date))
(list-posts min-past-date t min-post-id (append my-posts accum)))
accum)))
(defun main ()
(client:init)
(client:authorize)
(format t "This client has been authorized.~%")
(format t "Please provide the post's maximum creation date.~%")
(format t "Posts with date older than the provided one will be deleted~%")
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(write-string "Maximum date (format \"YYY-MM-DD\"): ")
(finish-output)
(let* ((input-date (read-line))
(*date-delete-treshold* (db-utils:encode-datetime-string input-date)))
(format t "Please provide the post's minimum creation date.~%")
(format t "Posts with date older than the provided one will *not* be deleted~%")
(write-string "Minimum date (format \"YYY-MM-DD\"): ")
(finish-output)
(let* ((min-input-date (read-line))
(*min-past-date* (db-utils:encode-datetime-string min-input-date)))
(when (yes-or-no-p "Deleting posts older than ~s and newer than ~s. Continue?"
input-date
min-input-date)
(cond
((null *date-delete-treshold*)
(format *error-output* "Date ~s is not valid, exiting.~%" input-date))
((null *min-past-date*)
(format *error-output* "Date ~s is not valid, exiting.~%" min-input-date))
(t
(let ((posts (list-posts (db-utils:decode-date-string *min-past-date*) t)))
(format t "Start deleting...~%")
(loop for post in posts
when (date< (decode-post-date post)
(db-utils:decode-date-string *date-delete-treshold*))
do
(let ((post-contents (with-output-to-string (stream)
(tooter::present post stream))))
(format t "deleting~2%~a~%" post-contents))))))))))
; (api-client:delete-status (tooter:id post)))))))))))
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(main)