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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2019 Christopher Baines <mail@cbaines.net>
;;;
;;; This program is free software: you can redistribute it and/or
;;; modify it under the terms of the GNU Affero 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
;;; Affero General Public License for more details.
;;;
;;; You should have received a copy of the GNU Affero General Public
;;; License along with this program. If not, see
;;; <http://www.gnu.org/licenses/>.
(define-module (guix-data-service web jobs controller)
#:use-module (ice-9 match)
#:use-module (guix-data-service utils)
#:use-module (guix-data-service database)
#:use-module (guix-data-service web render)
#:use-module (guix-data-service web controller)
#:use-module (guix-data-service web query-parameters)
#:use-module (guix-data-service web util)
#:use-module (guix-data-service jobs)
#:use-module (guix-data-service jobs load-new-guix-revision)
#:use-module (guix-data-service web jobs html)
#:export (jobs-controller))
(define (jobs-controller request
method-and-path-components
mime-types
body)
(match method-and-path-components
(('GET "jobs")
(let ((parsed-query-parameters
(guard-against-mutually-exclusive-query-parameters
(parse-query-parameters
request
`((before_id ,parse-number)
(limit_results ,parse-result-limit
#:no-default-when (all_results)
#:default 20)
(all_results ,parse-checkbox-value)))
'((limit_results all_results)))))
(render-jobs mime-types
parsed-query-parameters)))
(('GET "jobs" "events")
(let ((parsed-query-parameters
(guard-against-mutually-exclusive-query-parameters
(parse-query-parameters
request
`((limit_results ,parse-result-limit
#:no-default-when (all_results)
#:default 50)
(all_results ,parse-checkbox-value)))
'((limit_results all_results)))))
(render-job-events mime-types
parsed-query-parameters)))
(('GET "jobs" "queue")
(render-job-queue mime-types))
(('GET "job" job-id)
(let ((parsed-query-parameters
(parse-query-parameters
request
`((start_character ,parse-number)
(characters ,parse-number #:default 10000000)))))
(render-job mime-types
job-id
parsed-query-parameters)))
(_ #f)))
(define (render-jobs mime-types query-parameters)
(define limit-results (assq-ref query-parameters 'limit_results))
(letpar& ((jobs
(with-resource-from-pool (connection-pool) conn
(select-jobs-and-events
conn
(assq-ref query-parameters 'before_id)
limit-results)))
(recent-events
(call-with-resource-from-pool
(connection-pool)
select-recent-job-events)))
(case (most-appropriate-mime-type
'(application/json text/html)
mime-types)
((application/json)
(render-json
`((recent-events
. ,(list->vector
(map (match-lambda
((_ commit _ _ event occurred_at)
`((commit . ,commit)
(event . ,event)
(occurred_at . ,occurred_at))))
recent-events)))
(jobs
. ,(list->vector
(map (match-lambda
((_ commit source _ created-at _ events log)
`((commit . ,commit)
(source . ,source)
(created-at . ,created-at)
(events . ,events)
(log . ,log))))
jobs))))))
(else
(render-html
#:sxml (view-jobs
query-parameters
jobs
recent-events
(and limit-results
(>= (length jobs)
limit-results))))))))
(define (render-job-events mime-types query-parameters)
(let ((recent-events
(with-resource-from-pool (connection-pool) conn
(select-recent-job-events
conn
;; TODO Ideally there wouldn't be a limit
#:limit (or (assq-ref query-parameters 'limit_results)
1000000)))))
(render-html
#:sxml (view-job-events
query-parameters
recent-events))))
(define (render-job-queue mime-types)
(render-html
#:sxml (view-job-queue
(call-with-resource-from-pool
(connection-pool)
select-unprocessed-jobs-and-events))))
(define (render-job mime-types job-id query-parameters)
(let ((log-text
(with-resource-from-pool (connection-pool) conn
(log-for-job conn job-id
#:character-limit
(assq-ref query-parameters 'characters)
#:start-character
(assq-ref query-parameters 'start_character)))))
(case (most-appropriate-mime-type
'(text/plain text/html)
mime-types)
((text/plain)
(render-text log-text))
(else
(render-html
#:sxml (view-job
job-id
query-parameters
log-text))))))
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