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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 repository controller)
#:use-module (ice-9 match)
#:use-module (web uri)
#:use-module (web request)
#:use-module (guix-data-service web render)
#:use-module (guix-data-service web query-parameters)
#:use-module (guix-data-service web util)
#:use-module (guix-data-service model utils)
#:use-module (guix-data-service model build-server)
#:use-module (guix-data-service model derivation)
#:use-module (guix-data-service model package)
#:use-module (guix-data-service model git-branch)
#:use-module (guix-data-service model git-repository)
#:use-module (guix-data-service web view html)
#:use-module (guix-data-service web revision controller)
#:use-module (guix-data-service web repository html)
#:export (repository-controller))
(define (repository-controller request
method-and-path-components
mime-types
body
conn)
(define path
(uri-path (request-uri request)))
(match method-and-path-components
(('GET "repositories")
(let ((git-repositories (all-git-repositories conn)))
(render-html
#:sxml
(view-git-repositories git-repositories))))
(('GET "repository" id)
(match (select-git-repository conn id)
((label url cgit-url-base)
(render-html
#:sxml
(view-git-repository
(string->number id)
label url cgit-url-base
(all-branches-with-most-recent-commit conn
(string->number id)))))
(#f
(render-html
#:sxml (general-not-found
"Repository not found"
"")
#:code 404))))
(('GET "repository" repository-id "branch" branch-name)
(let ((parsed-query-parameters
(parse-query-parameters
request
`((after_date ,parse-datetime)
(before_date ,parse-datetime)
(limit_results ,parse-result-limit #:default 100)))))
(let ((revisions
(most-recent-commits-for-branch
conn
(string->number repository-id)
branch-name
#:limit (assq-ref parsed-query-parameters 'limit_results)
#:after-date (assq-ref parsed-query-parameters
'after_date)
#:before-date (assq-ref parsed-query-parameters
'before_date))))
(case (most-appropriate-mime-type
'(application/json text/html)
mime-types)
((application/json)
(render-json
`((revisions
. ,(list->vector
(map (match-lambda
((date commit-hash _ _)
`((date . ,date)
(commit-hash . ,commit-hash))))
revisions))))))
(else
(render-html
#:sxml (if (any-invalid-query-parameters? parsed-query-parameters)
(view-branch repository-id
branch-name parsed-query-parameters '())
(view-branch
repository-id
branch-name
parsed-query-parameters
revisions))))))))
(('GET "repository" repository-id "branch" branch-name "package" package-name)
(let ((package-versions
(package-versions-for-branch conn
(string->number repository-id)
branch-name
package-name)))
(case (most-appropriate-mime-type
'(application/json text/html)
mime-types)
((application/json)
(render-json
`((versions . ,(list->vector
(map (match-lambda
((package-version first-guix-revision-commit
first-datetime
last-guix-revision-commit
last-datetime)
`((version . ,package-version)
(first_revision
. ((commit . ,first-guix-revision-commit)
(datetime . ,first-datetime)))
(last_revision
. ((commit . ,last-guix-revision-commit)
(datetime . ,last-datetime))))))
package-versions))))))
(else
(render-html
#:sxml (view-branch-package
repository-id
branch-name
package-name
package-versions))))))
(('GET "repository" repository-id "branch" branch-name "package" package-name "derivation-history")
(render-branch-package-derivation-history request
mime-types
conn
repository-id
branch-name
package-name))
(('GET "repository" repository-id "branch" branch-name
"package" package-name "output-history")
(render-branch-package-output-history request
mime-types
conn
repository-id
branch-name
package-name))
(('GET "repository" repository-id "branch" branch-name "latest-processed-revision")
(let ((commit-hash
(latest-processed-commit-for-branch conn repository-id branch-name)))
(if commit-hash
(render-view-revision mime-types
conn
commit-hash
#:path-base path
#:header-text
`("Latest processed revision for branch "
(samp ,branch-name)))
(render-unknown-revision mime-types
conn
commit-hash))))
(('GET "repository" repository-id "branch" branch-name "latest-processed-revision" "packages")
(let ((commit-hash
(latest-processed-commit-for-branch conn repository-id branch-name)))
(if commit-hash
(let ((parsed-query-parameters
(guard-against-mutually-exclusive-query-parameters
(parse-query-parameters
request
`((after_name ,identity)
(field ,identity #:multi-value
#:default ("version" "synopsis"))
(search_query ,identity)
(limit_results ,parse-result-limit
#:no-default-when (all_results)
#:default 100)
(all_results ,parse-checkbox-value)))
;; You can't specify a search query, but then also limit the
;; results by filtering for after a particular package name
'((after_name search_query)
(limit_results all_results)))))
(render-revision-packages mime-types
conn
commit-hash
parsed-query-parameters
#:path-base path
#:header-text
`("Latest processed revision for branch "
(samp ,branch-name))
#:header-link
(string-append
"/repository/" repository-id
"/branch/" branch-name
"/latest-processed-revision")))
(render-unknown-revision mime-types
conn
commit-hash))))
(('GET "repository" repository-id "branch" branch-name "latest-processed-revision"
"lint-warnings")
(let ((commit-hash
(latest-processed-commit-for-branch conn repository-id branch-name)))
(if commit-hash
(let ((parsed-query-parameters
(parse-query-parameters
request
`((package_query ,identity)
(linter ,identity #:multi-value)
(message_query ,identity)
(field ,identity #:multi-value
#:default ("linter"
"message"
"location"))))))
(render-revision-lint-warnings mime-types
conn
commit-hash
parsed-query-parameters
#:path-base path
#:header-text
`("Latest processed revision for branch "
(samp ,branch-name))
#:header-link
(string-append
"/repository/" repository-id
"/branch/" branch-name
"/latest-processed-revision")))
(render-unknown-revision mime-types
conn
commit-hash))))
(('GET "repository" repository-id "branch" branch-name "latest-processed-revision" "package" name version)
(let ((commit-hash
(latest-processed-commit-for-branch conn repository-id branch-name)))
(if commit-hash
(render-revision-package-version mime-types
conn
commit-hash
name
version
#:header-text
`("Latest processed revision for branch "
(samp ,branch-name))
#:header-link
(string-append
"/repository/" repository-id
"/branch/" branch-name
"/latest-processed-revision")
#:version-history-link
(string-append
"/repository/" repository-id
"/branch/" branch-name
"/package/" name))
(render-unknown-revision mime-types
conn
commit-hash))))
(_ #f)))
(define (parse-build-system conn)
(let ((systems
(valid-systems conn)))
(lambda (s)
(if (member s systems)
s
(make-invalid-query-parameter
s "unknown system")))))
(define (render-branch-package-derivation-history request
mime-types
conn
repository-id
branch-name
package-name)
(let ((parsed-query-parameters
(parse-query-parameters
request
`((system ,(parse-build-system conn)
#:default "x86_64-linux")
(target ,parse-target
#:default "")))))
(let* ((system
(assq-ref parsed-query-parameters 'system))
(target
(assq-ref parsed-query-parameters 'target))
(package-derivations
(package-derivations-for-branch conn
(string->number repository-id)
branch-name
system
target
package-name))
(build-server-urls
(group-to-alist
(match-lambda
((id url lookup-all-derivations)
(cons id url)))
(select-build-servers conn))))
(case (most-appropriate-mime-type
'(application/json text/html)
mime-types)
((application/json)
(render-json
`((derivations . ,(list->vector
(map (match-lambda
((package-version derivation-file-name
first-guix-revision-commit
first-datetime
last-guix-revision-commit
last-datetime)
`((version . ,package-version)
(derivation . ,derivation-file-name)
(first_revision
. ((commit . ,first-guix-revision-commit)
(datetime . ,first-datetime)))
(last_revision
. ((commit . ,last-guix-revision-commit)
(datetime . ,last-datetime))))))
package-derivations))))))
(else
(render-html
#:sxml (view-branch-package-derivations
parsed-query-parameters
repository-id
branch-name
package-name
(valid-systems conn)
(valid-targets->options
(valid-targets conn))
build-server-urls
package-derivations)))))))
(define (render-branch-package-output-history request
mime-types
conn
repository-id
branch-name
package-name)
(let ((parsed-query-parameters
(parse-query-parameters
request
`((output ,identity
#:default "out")
(system ,(parse-build-system conn)
#:default "x86_64-linux")
(target ,parse-target
#:default "")))))
(let* ((system
(assq-ref parsed-query-parameters 'system))
(target
(assq-ref parsed-query-parameters 'target))
(output-name
(assq-ref parsed-query-parameters 'output))
(package-outputs
(package-outputs-for-branch conn
(string->number repository-id)
branch-name
system
target
package-name
output-name))
(build-server-urls
(group-to-alist
(match-lambda
((id url lookup-all-derivations)
(cons id url)))
(select-build-servers conn))))
(case (most-appropriate-mime-type
'(application/json text/html)
mime-types)
((application/json)
(render-json
`((derivations . ,(list->vector
(map (match-lambda
((package-version derivation-file-name
first-guix-revision-commit
first-datetime
last-guix-revision-commit
last-datetime)
`((version . ,package-version)
(derivation . ,derivation-file-name)
(first_revision
. ((commit . ,first-guix-revision-commit)
(datetime . ,first-datetime)))
(last_revision
. ((commit . ,last-guix-revision-commit)
(datetime . ,last-datetime))))))
package-outputs))))))
(else
(render-html
#:sxml (view-branch-package-outputs
parsed-query-parameters
repository-id
branch-name
package-name
output-name
(valid-systems conn)
(valid-targets->options
(valid-targets conn))
build-server-urls
package-outputs)))))))
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