(defvar gnus-orphan-score nil
"*All orphans get this score added. Set in the score file.")
+(defvar gnus-decay-scores nil
+ "*If non-nil, decay non-permanent scores.")
+
+(defvar gnus-decay-score-function 'gnus-decay-score
+ "*Function called to decay a score.
+It is called with one parameter -- the score to be decayed.")
+
+(defvar gnus-score-decay-constant 3
+ "*Decay all \"small\" scores with this amount.")
+
+(defvar gnus-score-decay-scale .05
+ "*Decay all \"big\" scores with this factor.")
+
(defvar gnus-home-score-file nil
"Variable to control where interative score entries are to go.
It can be:
(defun gnus-newsgroup-score-alist ()
(or
- (let ((param-file (gnus-group-get-parameter
+ (let ((param-file (gnus-group-find-parameter
gnus-newsgroup-name 'score-file)))
(when param-file
(gnus-score-load param-file)))
(when (gnus-buffer-live-p gnus-summary-buffer)
(save-excursion
(save-restriction
- (goto-char (point-min))
+ (message-narrow-to-headers)
(let ((id (mail-fetch-field "message-id")))
(when id
(set-buffer gnus-summary-buffer)
(car (gnus-score-get 'thread-mark-and-expunge alist)))
(adapt-file (car (gnus-score-get 'adapt-file alist)))
(local (gnus-score-get 'local alist))
+ (decay (car (gnus-score-get 'decay alist)))
(eval (car (gnus-score-get 'eval alist))))
+ ;; Perform possible decays.
+ (when (and gnus-decay-scores
+ (gnus-decay-scores alist decay))
+ (gnus-score-set 'touched '(t) alist)
+ (gnus-score-set 'decay (list (gnus-time-to-day (current-time)))))
;; We do not respect eval and files atoms from global score
;; files.
(and files (not global)
(defun gnus-score-date (scores header now expire &optional trace)
(let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
- entries alist)
+ entries alist match match-func article)
;; Find matches.
(while scores
(while (cdr entries) ;First entry is the header index.
(let* ((rest (cdr entries))
(kill (car rest))
- (match (timezone-make-date-sortable (nth 0 kill)))
(type (or (nth 3 kill) 'before))
(score (or (nth 1 kill) gnus-score-interactive-default-score))
(date (nth 2 kill))
(found nil)
- (match-func
- (cond ((eq type 'after) 'string<)
- ((eq type 'before) 'gnus-string>)
- ((eq type 'at) 'string=)
- (t (error "Illegal match type: %s" type))))
(articles gnus-scores-articles)
l)
+ (cond
+ ((eq type 'after)
+ (setq match-func 'string<
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'before)
+ (setq match-func 'gnus-string>
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'at)
+ (setq match-func 'string=
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'regexp)
+ (setq match-func 'string-match
+ match (nth 0 kill)))
+ (t (error "Illegal match type: %s" type)))
;; Instead of doing all the clever stuff that
;; `gnus-score-string' does to minimize searches and stuff,
;; I will assume that people generally will put so few
;; matches on numbers that any cleverness will take more
;; time than one would gain.
- (while articles
- (and
- (setq l (aref (caar articles) gnus-score-index))
- (funcall match-func match (timezone-make-date-sortable l))
- (progn
- (and trace (setq gnus-score-trace
- (cons
- (cons
- (car-safe (rassq alist gnus-score-cache))
- kill)
- gnus-score-trace)))
- (setq found t)
- (setcdr (car articles) (+ score (cdar articles)))))
- (setq articles (cdr articles)))
+ (while (setq article (pop articles))
+ (when (and
+ (setq l (aref (car article) gnus-score-index))
+ (funcall match-func match (gnus-date-iso8601 l)))
+ (when trace
+ (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
+ gnus-score-trace))
+ (setq found t)
+ (setcdr article (+ score (cdr article)))))
;; Update expire date
(cond ((null date)) ;Permanent entry.
((and found gnus-update-score-entry-dates) ;Match, update date.
(push home score-files)
(setq gnus-newsgroup-adaptive-score-file home)))
;; Check whether there is a `adapt-file' group parameter.
- (let ((param-file (gnus-group-get-parameter group 'adapt-file)))
+ (let ((param-file (gnus-group-find-parameter group 'adapt-file)))
(when param-file
(push param-file score-files)
(setq gnus-newsgroup-adaptive-score-file param-file)))
(when home
(push home score-files)))
;; Check whether there is a `score-file' group parameter.
- (let ((param-file (gnus-group-get-parameter group 'score-file)))
+ (let ((param-file (gnus-group-find-parameter group 'score-file)))
(when param-file
(push param-file score-files)))
;; Do the scoring if there are any score files for this group.
(concat group "." gnus-adaptive-file-suffix)))
;;;
-;;; Adaptive word scoring
+;;; Score decays
;;;
+(defun gnus-decay-score (score)
+ "Decay SCORE."
+ (floor
+ (- score
+ (* (if (< score 0) 1 -1)
+ (min score
+ (max gnus-score-decay-constant
+ (* (abs score)
+ gnus-score-decay-scale)))))))
+
+(defun gnus-decay-scores (alist day)
+ "Decay non-permanent scores in ALIST."
+ (let ((times (- (gnus-time-to-day (current-time)) day))
+ kill entry updated score n)
+ (unless (zerop times) ;Done decays today already?
+ (while (setq entry (pop alist))
+ (when (stringp (car entry))
+ (setq entry (cdr entry))
+ (while (setq kill (pop entry))
+ (when (nth 2 kill)
+ (setq updated t)
+ (setq score (or (car kill) gnus-score-interactive-default-score)
+ n times)
+ (while (natnump (decf n))
+ (setq score (funcall gnus-decay-score-function score)))
+ (setcar kill score))))))
+ ;; Return whether this score file needs to be saved. By Je-haysuss!
+ updated))
(provide 'gnus-score)
projects / gnus / blobdiff