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(define-module (guix-qa-frontpage patchwork)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (ice-9 regex)
#:use-module (ice-9 match)
#:use-module (rnrs bytevectors)
#:use-module (json)
#:use-module (web uri)
#:use-module (web client)
#:use-module (web request)
#:use-module (web response)
#:use-module (guix-build-coordinator utils)
#:use-module (guix-qa-frontpage mumi)
#:use-module (guix-qa-frontpage debbugs)
#:export (%patchwork-instance
patchwork-patches
latest-patchwork-series-by-issue))
(define %patchwork-instance
(make-parameter "https://patches.guix-patches.cbaines.net"))
(define %link-regex
(make-regexp "<(.*?)>;?(.*)"))
(define %link-param-regex
(make-regexp "\\s*(.*)=(.*)"))
(define (parse-link link)
(define (strip-quotes s)
(if (and (string-suffix? "\"" s)
(string-prefix? "\"" s))
(string-drop-right
(string-drop s 1)
1)
s))
(let ((link-match (regexp-exec %link-regex link)))
`((uri . ,(string->uri (match:substring link-match 1)))
,@(map
(lambda (param)
(let ((param-match
(regexp-exec %link-param-regex param)))
(cons (string->symbol
(match:substring param-match 1))
(strip-quotes
(match:substring param-match 2)))))
(string-split (match:substring link-match 2)
#\;)))))
(define* (patchwork-patches
#:key patchwork
(archived? #f)
(order "-id")
(states '("1" "2" "7" "11"))
pages)
(define (set-uri-scheme uri scheme)
(string->uri
(simple-format
#f
"~A:~A"
scheme
(string-join
(drop (string-split (uri->string uri) #\:) 1)
":"))))
(define initial-uri
(string->uri
(string-append (or patchwork
(%patchwork-instance))
"/api/patches/?"
"per_page=500&"
"order=" order "&"
"archived=" (if archived? "true" "false") "&"
(string-join
(map (lambda (state)
(string-append "state=" state))
states)
"&"))))
(define (make-request uri page-count)
(let-values (((response body)
(retry-on-error
(lambda ()
(http-request uri
#:decode-body? #f))
#:times 2
#:delay 3)))
(append!
(vector->list
(json-string->scm (utf8->string body)))
(or
(and=> (if (and pages
(> page-count pages))
#f
(assq-ref (response-headers response)
'link))
(lambda (link-header)
(and=>
(find (lambda (link)
(let ((link-details (parse-link link)))
(string=?
(assq-ref link-details 'rel)
"next")))
(string-split link-header #\,))
(lambda (next-link)
(let ((link-details (parse-link next-link)))
(make-request
;; The link headers don't use https, so to
;; avoid the redirect, modify the URI
(set-uri-scheme
(assq-ref link-details 'uri)
(uri-scheme uri))
(+ 1 page-count)))))))
'()))))
(make-request initial-uri 1))
(define* (latest-patchwork-series-by-issue
#:key patchwork)
(define (patch->issue-number patch)
(string->number
(match:substring
(string-match "\\[?bug#([0-9]*)(,|:|\\])"
(assoc-ref patch "name"))
1)))
(let ((result
(make-hash-table 2048)))
(for-each
(lambda (patch)
(let ((issue-number
(patch->issue-number patch))
(patch-series
(assoc-ref patch "series")))
;; Some patches are missing series when patchwork has trouble
;; processing them
(when (not (eq? (vector-length patch-series) 0))
(or (and=>
(hash-ref result issue-number)
(lambda (series)
(let ((patch-series-number
(assoc-ref (vector-ref patch-series 0)
"id")))
(when (eq? (assoc-ref series "id")
patch-series-number)
(hash-set!
result
issue-number
`(,@(alist-delete "patches" series)
("patches" . (,@(assoc-ref series "patches")
,patch))))))))
(hash-set!
result
issue-number
`(,@(vector-ref patch-series 0)
("patches" . (,patch))))))))
(patchwork-patches #:patchwork patchwork
#:pages 10))
(let* ((data (hash-map->list cons result))
(mumi-data
(call-with-delay-logging mumi-bulk-issues
#:args
(list
(map first data))))
(debbugs-guix-usertag-data
(call-with-delay-logging debbugs-get-issues-with-guix-usertag))
(usertag-lookup
(let ((hash-table (make-hash-table)))
(for-each
(match-lambda
((tag . issues)
(for-each
(lambda (issue)
(hash-set! hash-table
issue
(cons tag
(or (hash-ref hash-table issue)
'()))))
(if (pair? issues)
issues
(list issues)))))
debbugs-guix-usertag-data)
hash-table)))
(sort!
(filter-map (lambda (data mumi)
(let ((issue-number (car data)))
(if (and (assq-ref mumi 'open?)
(every
(lambda (merged-issue-number)
(if (< merged-issue-number
issue-number)
(not (hash-ref result merged-issue-number))
#t))
(assq-ref mumi 'merged-with)))
`(,@data
(mumi . ,mumi)
(usertags . ,(or (hash-ref usertag-lookup
(car data))
'())))
#f)))
data
mumi-data)
(lambda (a b)
;; Sort by issue number
(> (first a)
(first b)))))))
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