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;;; Guix Data Service -- Information about Guix over time
;;; Copyright © 2020 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 model channel-instance)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:use-module (squee)
#:use-module (json)
#:use-module (guix utils)
#:use-module (guix-data-service model utils)
#:export (insert-channel-instances
channel-instances-exist-for-guix-revision?
select-channel-instances-for-guix-revision))
(define (insert-channel-instances conn
guix-revision-id
derivation-ids-by-system)
(exec-query
conn
(string-append
"
INSERT INTO channel_instances
(guix_revision_id, system, derivation_id)
VALUES "
(string-join
(map (lambda (derivation-id-and-system)
(simple-format #f "(~A, '~A', ~A)"
guix-revision-id
(car derivation-id-and-system)
(cdr derivation-id-and-system)))
derivation-ids-by-system)
", ")))
#t)
(define (channel-instances-exist-for-guix-revision? conn commit-hash)
(define query
"
SELECT EXISTS(
SELECT 1
FROM channel_instances
INNER JOIN guix_revisions
ON guix_revisions.id = channel_instances.guix_revision_id
WHERE guix_revisions.commit = $1
)")
(let ((result (caar
(exec-query conn query (list commit-hash)))))
(string=? result "t")))
(define (select-channel-instances-for-guix-revision conn
commit-hash)
(define query
"
SELECT channel_instances.system,
derivations.file_name,
JSON_AGG(
json_build_object(
'build_server_id', builds.build_server_id,
'build_server_build_id', builds.build_server_build_id,
'status', latest_build_status.status,
'timestamp', latest_build_status.timestamp,
'build_for_equivalent_derivation',
builds.derivation_file_name != derivations.file_name
)
ORDER BY latest_build_status.timestamp
) AS builds
FROM channel_instances
INNER JOIN derivations
ON channel_instances.derivation_id = derivations.id
INNER JOIN derivations_by_output_details_set
ON derivations.id = derivations_by_output_details_set.derivation_id
LEFT OUTER JOIN builds
ON derivations_by_output_details_set.derivation_output_details_set_id =
builds.derivation_output_details_set_id
LEFT OUTER JOIN latest_build_status
ON builds.id = latest_build_status.build_id
INNER JOIN guix_revisions
ON guix_revisions.id = channel_instances.guix_revision_id
WHERE guix_revisions.commit = $1
GROUP BY channel_instances.system, derivations.file_name
ORDER BY channel_instances.system DESC")
(map
(match-lambda
((system derivation_file_name builds-json)
(list system
derivation_file_name
(filter (lambda (build)
(string? (assoc-ref build "status")))
(vector->list
(json-string->scm builds-json))))))
(exec-query conn query (list commit-hash))))
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