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(define-module (guix-qa-frontpage patchwork)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-11)
#:use-module (srfi srfi-43)
#:use-module (srfi srfi-71)
#: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)
#:select (call-with-delay-logging))
#:use-module ((guix-build-coordinator utils fibers)
#:select (retry-on-error))
#:use-module (guix-qa-frontpage mumi)
#:use-module (guix-qa-frontpage debbugs)
#:export (%patchwork-instance
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-series-uri #:key patchwork
(per-page 200)
(order "-id"))
(string->uri
(string-append (or patchwork
(%patchwork-instance))
"/api/series/?"
"per_page=" (number->string per-page) "&"
"order=" order "&")))
(define (request-patchwork-series uri)
(define (set-uri-scheme uri scheme)
(string->uri
(simple-format
#f
"~A:~A"
scheme
(string-join
(drop (string-split (uri->string uri) #\:) 1)
":"))))
(let ((response
body
(retry-on-error
(lambda ()
(http-request uri
#:decode-body? #f))
#:times 2
#:delay 3)))
(values
(json-string->scm (utf8->string body))
(and=> (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)))
(set-uri-scheme
(assq-ref link-details 'uri)
(uri-scheme uri))))))))))
(define* (latest-patchwork-series-by-issue
#:key patchwork
count)
(define (string->issue-number str)
(string->number
(match:substring
(string-match "\\[?bug#([0-9]*)(,|:|\\])" str)
1)))
(define issue-number-to-series-hash-table
(make-hash-table))
(let loop ((patchwork-uri
(patchwork-series-uri
#:patchwork patchwork
#:per-page 200))
(result '()))
(if (> (length result) count)
(let* ((rest
count-items
(split-at! result
(- (length result)
count)))
(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)))
(map!
(lambda (data)
`(,@data
(usertags . ,(or (hash-ref usertag-lookup
(car data))
'()))))
count-items))
;; Need more series, so keep going
(let* ((series-batch
next-page-uri
(request-patchwork-series patchwork-uri))
(batch-hash-table
(make-hash-table)))
(vector-for-each
(lambda (_ series-data)
(let* ((patches
(assoc-ref series-data "patches"))
(issue-number
(if (= 0 (vector-length patches))
(let ((cover-letter
(assoc-ref series-data "cover_letter")))
(and cover-letter
(not (eq? 'null cover-letter))
(string->issue-number
(assoc-ref cover-letter "name"))))
(string->issue-number
(assoc-ref
(vector-ref (assoc-ref series-data "patches")
0)
"name")))))
(when (and issue-number
(not (hash-ref issue-number-to-series-hash-table
issue-number)))
(hash-set! issue-number-to-series-hash-table
issue-number
series-data)
(hash-set! batch-hash-table
issue-number
series-data))))
series-batch)
(let* ((series-by-issue-number
(hash-map->list
cons
batch-hash-table))
(mumi-data
(retry-on-error
(lambda ()
(call-with-delay-logging mumi-bulk-issues
#:args
(list
(map first series-by-issue-number))))
#:times 1
#:delay 5)))
(loop
next-page-uri
(fold
(lambda (data mumi result)
(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
issue-number-to-series-hash-table
merged-issue-number))
#t))
(assq-ref mumi 'merged-with)))
(cons
`(,@data
(mumi . ,mumi))
result)
result)))
result
series-by-issue-number
mumi-data)))))))
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