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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 model git-branch)
#:use-module (ice-9 match)
#:use-module (json)
#:use-module (squee)
#:use-module (srfi srfi-19)
#:use-module (guix-data-service model utils)
#:export (insert-git-branch-entry
git-branches-for-commit
git-branches-with-repository-details-for-commit
most-recent-commits-for-branch
latest-processed-commit-for-branch
all-branches-with-most-recent-commit))
(define (insert-git-branch-entry conn
name commit
git-repository-id datetime)
(exec-query
conn
(string-append
"INSERT INTO git_branches (name, commit, git_repository_id, datetime) "
"VALUES ($1, $2, $3, to_timestamp($4)) "
"ON CONFLICT DO NOTHING")
(list name
commit
(number->string git-repository-id)
(date->string datetime "~s"))))
(define (git-branches-for-commit conn commit)
(define query
"
SELECT name, datetime FROM git_branches WHERE commit = $1
ORDER BY datetime DESC")
(exec-query conn query (list commit)))
(define (git-branches-with-repository-details-for-commit conn commit)
(define query
"
SELECT git_repositories.id, git_repositories.label,
git_repositories.url, git_repositories.cgit_url_base,
git_branches.name, git_branches.datetime
FROM git_branches
INNER JOIN git_repositories
ON git_branches.git_repository_id = git_repositories.id
WHERE git_branches.commit = $1")
(group-list-by-first-n-fields
4
(exec-query conn query (list commit))))
(define* (most-recent-commits-for-branch conn git-repository-id
branch-name
#:key
(limit 100)
after-date
before-date)
(define query
(string-append
"
SELECT git_branches.commit,
datetime,
(
load_new_guix_revision_job_events.event IS NOT NULL
) as data_available,
(
SELECT json_agg(event)
FROM load_new_guix_revision_job_events
INNER JOIN load_new_guix_revision_jobs ON
load_new_guix_revision_jobs.id = load_new_guix_revision_job_events.job_id
WHERE load_new_guix_revision_jobs.commit = git_branches.commit AND
git_branches.git_repository_id = load_new_guix_revision_jobs.git_repository_id
) AS job_events
FROM git_branches
LEFT OUTER JOIN guix_revisions
ON git_branches.commit = guix_revisions.commit
LEFT JOIN load_new_guix_revision_jobs
ON load_new_guix_revision_jobs.commit = guix_revisions.commit
LEFT JOIN load_new_guix_revision_job_events
ON job_id = load_new_guix_revision_jobs.id
AND load_new_guix_revision_job_events.event = 'success'
WHERE name = $1
AND git_branches.git_repository_id = $2"
(if after-date
(simple-format #f " AND datetime > '~A'"
(date->string after-date "~1 ~3"))
"")
(if before-date
(simple-format #f " AND datetime < '~A'"
(date->string before-date "~1 ~3"))
"")
"
ORDER BY datetime DESC"
(if limit
(string-append
"
LIMIT " (number->string limit))
"")))
(map
(match-lambda
((commit datetime data_available job_events)
(list commit
datetime
(string=? data_available "t")
(if (or (and (string? job_events) (string-null? job_events))
(eq? #f job_events))
'()
(vector->list (json-string->scm job_events))))))
(exec-query
conn
query
(list branch-name
(number->string git-repository-id)))))
(define* (latest-processed-commit-for-branch conn repository-id branch-name)
(define query
(string-append
"
SELECT git_branches.commit
FROM git_branches
INNER JOIN guix_revisions
ON git_branches.commit = guix_revisions.commit
INNER JOIN load_new_guix_revision_jobs
ON load_new_guix_revision_jobs.commit = guix_revisions.commit
INNER JOIN load_new_guix_revision_job_events
ON job_id = load_new_guix_revision_jobs.id
WHERE guix_revisions.git_repository_id = $1
AND git_branches.git_repository_id = $1
AND git_branches.name = $2
AND load_new_guix_revision_job_events.event = 'success'
ORDER BY datetime DESC
LIMIT 1"))
(match (exec-query
conn
query
(list repository-id branch-name))
(((commit-hash))
commit-hash)
('()
#f)))
(define (all-branches-with-most-recent-commit conn git-repository-id)
(define query
(string-append
"
SELECT DISTINCT ON (name)
name, git_branches.commit,
datetime, (guix_revisions.id IS NOT NULL) guix_revision_exists,
(
SELECT json_agg(event)
FROM load_new_guix_revision_job_events
INNER JOIN load_new_guix_revision_jobs ON
load_new_guix_revision_jobs.id = load_new_guix_revision_job_events.job_id
WHERE load_new_guix_revision_jobs.commit = git_branches.commit AND
git_branches.git_repository_id = load_new_guix_revision_jobs.git_repository_id
) AS job_events
FROM git_branches
LEFT OUTER JOIN guix_revisions ON git_branches.commit = guix_revisions.commit
WHERE git_branches.git_repository_id = $1
ORDER BY name, datetime DESC"))
(map
(match-lambda
((name commit datetime guix_revision_exists job_events)
(list name
commit
datetime
(string=? guix_revision_exists "t")
(if (or (and (string? job_events) (string=? job_events ""))
(eq? #f job_events))
'()
(vector->list (json-string->scm job_events))))))
(exec-query
conn
query
(list (number->string git-repository-id)))))
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